10-K

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 10-K

[x] ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934

For the fiscal year ended December 31, 2017

or

[  ] TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934

For the transition period from ______ to ______

Commission file number 001-14761

GAMCO Investors, Inc.

(Exact name of registrant as specified in its charter)

Delaware	13-4007862
(State or other jurisdiction of incorporation or organization)	(I.R.S. Employer Identification No.)
One Corporate Center, Rye, NY	10580-1422
(Address of principal executive offices)	(Zip Code)

Registrant’s telephone number, including area code (914) 921-3700

Securities registered pursuant to Section 12(b) of the Act:

Title of each class	Name of each exchange on which registered
Class A Common Stock, par value $0.001 per share	New York Stock Exchange

Securities registered pursuant to Section 12(g) of the Act: None

Indicate by check mark if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act Yes ☐ No ☒.

Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or Section 15(d) of the Act Yes ☐ No ☒.

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days Yes ☒ No ☐.

Indicate by check mark whether the registrant has submitted electronically and posted on its corporate Website, if any, every Interactive Data File required to be submitted and posted pursuant to Rule 405 of Regulation S-T during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files). Yes ☒ No ☐

Indicate by check mark if disclosure of delinquent filers pursuant to Item 405 of Regulation S-K is not contained herein, and will not be contained, to the best of registrant’s knowledge, in definitive proxy or information statements incorporated by reference in Part III of this Form 10-K or any amendment to this Form 10-K ☐.

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company, or an emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company” and “emerging growth company” in Rule 12b-2 of the Exchange Act. (Check one):

Large accelerated filer ☐	Accelerated filer ☒
Non-accelerated filer ☐ (Do not check if a smaller reporting company)	Smaller reporting company ☐	Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Indicate by check mark whether the registrant is a shell company (as defined in Exchange Act Rule 12b-2) Yes ☐ No ☒.

The aggregate market value of the class A common stock held by non-affiliates of the registrant as of June 30, 2017 (the last business day of the registrant’s most recently completed second fiscal quarter) was $165,809,758.

As of March 1, 2018, 9,898,371 shares of class A common stock and 19,024,404 shares of class B common stock were outstanding. 18,313,741 shares of class B common stock were held by a subsidiary of GGCP, Inc.

DOCUMENTS INCORPORATED BY REFERENCE: Portions of the registrant’s definitive proxy statement relating to the 2018 Annual Meeting of Shareholders are incorporated by reference in Items 10, 11, 12, 13 and 14 of Part III of this report.

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GAMCO Investors, Inc.
Annual Report on Form 10-K For the Fiscal Year Ended December 31, 2017
Part I
	Item 1	Business	4
		Overview	4
		Business Strategy	5
		Business Description	7
		Assets Under Management	9
		Open-End Fund Distribution	11
		Competition	12
		Intellectual Property	12
		Regulation	12
		Personnel	14
	Item 1A	Risk Factors	14
	Item 1B	Unresolved Staff Comments	21
	Item 2	Properties	21
	Item 3	Legal Proceedings	21
	Item 4	Mine Safety Disclosures	22
Part II
	Item 5	Market for the Registrant's Common Equity, Related Stockholder Matters and Issuer
		Purchases of Equity Securities	22
	Item 6	Selected Financial Data	25
	Item 7	Management's Discussion and Analysis of Financial Condition and Results of Operations	27
	Item 7A	Quantitative and Qualitative Disclosures About Market Risk	45
	Item 8	Financial Statements and Supplementary Data	45
	Item 9	Changes in and Disagreements with Accountants on Accounting and Financial Disclosure	82
	Item 9A	Controls and Procedures	82
	Item 9B	Other Information	82
Part III
	Item 10	Directors, Executive Officers and Corporate Governance	83
	Item 11	Executive Compensation	83
	Item 12	Security Ownership of Certain Beneficial Owners and Management and Related
		Stockholder Matters	83
	Item 13	Certain Relationships and Related Transactions, and Director Independence	83
	Item 14	Principal Accountant Fees and Services	83
Part IV
	Item 15	Exhibits, Financial Statement Schedules	84
	Item 16	Form 10-K Summary	87
		Signatures	88
		Power of Attorney	89
		Computation of Ratios of Earnings to Fixed Charges
		Subsidiaries of GAMCO Investors, Inc.
		Consent of Independent Registered Public Accounting Firm
	Certifications	Exhibit 31.1
		Exhibit 31.2
		Exhibit 31.3
		Exhibit 32.1
		Exhibit 32.2

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PART I

Forward-Looking Statements

Our disclosure and analysis in this report and in documents that are incorporated by reference contain some forward-looking statements within the meaning of Section 27A of the Securities Act of 1933 and Section 21E of the Securities Exchange Act of 1934. Forward-looking statements give our current expectations or forecasts of future events.  You can identify these statements because they do not relate strictly to historical or current facts.  You should not place undue reliance on these statements.  They use words such as “anticipate,” “estimate,” “expect,” “project,” “intend,” “plan,” “believe,” and other words and terms of similar meaning.  They also appear in any discussion of future operating or financial performance. In particular, these include statements relating to future actions, future performance of our products, expenses, the outcome of any legal proceedings, and financial results.

Although we believe that we are basing our expectations and beliefs on reasonable assumptions within the bounds of what we currently know about our business and operations, the economy, the effects of the Tax Cuts and Jobs Act, and other conditions, there can be no assurance that our actual results will not differ materially from what we expect or believe. Some of the factors that could cause our actual results to differ from our expectations or beliefs include, without limitation: the adverse effect from a decline in the securities markets; a decline in the performance of our products; a general downturn in the economy; the ongoing impacts of the Tax Cuts and Jobs Act with respect to tax rates and the non-deductibility of certain portions of NEO compensation; changes in government policy or regulation; changes in our ability to attract or retain key employees; and unforeseen costs and other effects related to legal proceedings or investigations of governmental and self-regulatory organizations. We also direct your attention to any more specific discussions of risk contained in Item 1A below and in our other public filings or in documents incorporated by reference here or in prior filings or reports.

We are providing these statements as permitted by the Private Litigation Reform Act of 1995. We do not undertake to update publicly any forward-looking statements if we subsequently learn that we are unlikely to achieve our expectations or if we receive any additional information relating to the subject matters of our forward-looking statements.

ITEM 1:  BUSINESS

Unless we have indicated otherwise, or the context otherwise requires, references in this report to “GAMCO Investors, Inc.,” the “Company,” “GBL,” “Gabelli,” “we,” “us” and “our” or similar terms are to GAMCO Investors, Inc., its predecessors and its subsidiaries.

Overview

GAMCO Investors, Inc. (New York Stock Exchange (“NYSE”): GBL), a company incorporated under the laws of Delaware, is a widely-recognized provider of investment advisory services to open and closed-end funds, institutional and private wealth management investors principally in the United States.   We generally manage assets on a discretionary basis and invest in securities through various investment styles.  Our revenues are based primarily on assets under management (“AUM”) and to a lesser extent, incentive fees.

Since our inception in 1977, we are identified with our research driven approach to equity investing and our proprietary Private Market Value (PMV) with a Catalyst™ stock selection process.  

As of December 31, 2017, we had $43.1 billion of AUM, of which 96% is invested in equities, principally through our two registered investment advisers: GAMCO Asset Management Inc. (“Institutional and Private Wealth Management”) and Gabelli Funds, LLC (“Funds”).  G.distributors, LLC (“G.distributors”) acts as an underwriter and distributor of our open-end funds.

Our AUM are organized into three groups:

● Institutional and Private Wealth Management: We provide advisory services to a broad range of investors, including corporate retirement plans, foundations, endowments, jointly-trusteed plans and public funds, private wealth clients and also serve as sub-advisor to third party investment funds including registered investment companies (“Institutional and Private Wealth Management”).   On December 31, 2017, we had $18.9 billion of Institutional and Private Wealth Management AUM.  Over the last 40 years, the firm has generated over $27.9 billion in investment returns for our institutional and private wealth management clients.

● Open and Closed-End Funds: We provide advisory services to twenty-one open-end funds, fifteen closed-end funds and one exchange traded managed fund under the Gabelli, GAMCO and Comstock brands (collectively, the “Funds”).  The Funds had $23.7 billion of AUM on December 31, 2017.  Additionally, we provide administrative services to seven open-end funds, with AUM of $1.6 billion on December 31, 2017, under the TETON Westwood brand.

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● SICAV: We provide advisory services to one fund under the GAMCO brand, the GAMCO International SICAV (the “SICAV”).  The SICAV has two sub-fund strategies, the GAMCO Merger Arbitrage Fund and the GAMCO All Cap Value Fund.  The GAMCO Merger Arbitrage strategy is sub-advised by Associated Capital Group, Inc. (“AC”) and had $458 million of AUM at December 31, 2017.  The GAMCO All Cap Value strategy had $52 million of AUM on December 31, 2017.

GBL is a holding company incorporated in April 1998 in advance of our initial public offering (“Offering”) in February 1999.  GGCP Holdings, LLC, a subsidiary of GGCP, Inc., which is majority-owned by Mr. Mario J. Gabelli (“Mr. Gabelli”), owns a majority of the outstanding shares of Class B Common Stock (“Class B Stock”) of GBL.  Such ownership represented approximately 91% of the combined voting power of the outstanding common stock and approximately 63% of the equity interest on December 31, 2017.   On December 31, 2017, AC and its subsidiaries, own 4,393,055 shares of Class A Common Stock (“Class A Stock”) representing approximately 15% of the equity interest and approximately 2% of the combined voting power.  AC is majority-owned by GGCP Holdings, LLC.  Accordingly, Mr. Gabelli is deemed to control GBL.

Our principal executive offices are located at One Corporate Center, Rye, New York 10580.  Our telephone number is (914) 921-3700.  We post or provide a link on our website, www.gabelli.com, to the following filings as soon as reasonably practicable after they are electronically filed with or furnished to the Securities and Exchange Commission (“Commission” or “SEC”): our annual report on Form 10-K, quarterly reports on Form 10-Q, current reports on Form 8-K, and any amendments to those reports filed or furnished pursuant to Section 13(a) or 15(d) of the Securities Exchange Act of 1934.  All such filings on our website are available free of charge.

On March 20, 2009, we distributed our ownership in Teton Advisors, Inc. (“Teton”), the advisor to the TETON Westwood funds, to our shareholders.  At the time of the distribution the stock price of Teton was $2.75 per share.  At December 31, 2017 the stock price of Teton was $45.00 per share.

On November 30, 2015 (the “Spin-Off Date”), we distributed our ownership in AC along with certain cash and other assets to our shareholders (the “Spin-off”).  AC owns and operates, directly or indirectly, the alternatives and the institutional research businesses previously owned and operated by GBL.  Subsequent to the Spin-off, GAMCO no longer consolidates the financial results of AC for the purposes of its own financial reporting and the historical financial results of AC have been reflected in the Company’s consolidated financial statements as discontinued operations for 2015 within this report.  Historical AUM have similarly been adjusted to remove AUM managed by AC.

During 2017, we returned $16.7 million to shareholders through dividends and our stock buyback program.  We paid $2.4 million, or $0.08 per share, in cash dividends to our common shareholders and repurchased 484,526 shares at an average investment of $29.56 per share or $14.3 million.

Since the Offering in February 1999, when GBL shares were sold at $17.50 per share and total shares outstanding were 30 million for a market capitalization of $525 million, we have returned to shareholders $1.9 billion in total, of which $1.0 billion was in the form of spin-offs of AC and Teton, $491.0 million was from dividends and $453.1 million was through stock buybacks.

Business Strategy

Our business strategy targets global growth of the franchise through continued leveraging of our proven asset management strengths including our brands, long-term performance record, diverse product offerings and experienced investment, research and client relationship professionals.  In order to achieve performance and growth in AUM and profitability, we are pursuing a strategy which includes the following key elements:

● Gabelli “Private Market Value (PMV) with a Catalyst^TM” Investment Approach. While we have expanded our investment product offerings, our “value investing” approach remains the core of our business.  This method is based on and has evolved from the value investing principles articulated by Graham & Dodd in 1934 and enhanced by Roger Murray and Bruce Greenwald, and has been further augmented by Mr. Gabelli, CFA, with his development in 1979 of Private Market Value (PMV) with a Catalyst^TMvalue investment methodology.

Private Market Value (PMV) with a Catalyst^TM investing is a disciplined, research-driven approach based on intensive security analysis.  In this process, we generally select stocks whose intrinsic value, based on our estimate of current asset value and future growth and earnings power, is significantly different from the value reflected in the public market.  We then calculate the stock’s PMV, which is defined as the price an informed industrial buyer would likely pay to acquire the business.

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In general, our Institutional and Private Wealth Management AUM are managed to meet the specific needs and objectives of each client by utilizing investment strategies that are within our areas of expertise: “all cap value”, “ESG”, “small cap value”, “large cap growth”, “international growth” and “convertible”.

● Establishing Relationship Offices. We have nine offices including New York, Chicago, Greenwich, London, Morristown, Palm Beach, Reno, and Tokyo.  We will continue to evaluate adding additional offices throughout the world.

● Incentive Fees. Since a growing percentage of the firm's revenues may be directly linked to performance-based fees (largely recognized in the fourth quarter), this may increase the variability of our revenues and profits.  As of December 31, 2017, approximately $3.0 billion of our AUM are managed on a performance fee basis including $1.4 billion of Institutional and Private Wealth Management assets, $714 million of preferred issues of closed-end funds, $458 million of SICAV assets,  $336 million in The GDL Fund, and $103 million in the Gabelli Merger Plus⁺ Trust PLC.

● Expanding Mutual Fund Distribution. We continue to expand our distribution network primarily through national and regional brokerage firms and have developed additional classes of shares for most of our mutual funds for sale through these firms and other third party distribution channels.  We have increased our wholesaling efforts to market the multi-class shares, which have been designed to meet the needs of investors who seek advice through financial consultants.  We launched our first actively managed exchange traded managed fund in 2016 (The Gabelli Media Mogul NextShares^TM) and our second in 2017 (The Gabelli Food of All Nations NextShares^TM).

● Increasing Presence in Private Wealth Management Market. Our private wealth management business focuses, in general, on serving clients who have established an account relationship of $2.5 million or more with us.  According to industry estimates, the number of households with over $2.5 million in investable assets will continue to grow, subject to ups and downs in the equity and fixed income markets.  With our 40-year history of serving this segment, long-term performance record, customized portfolios tax-sensitive investment strategy, brand name recognition and broad array of product offerings, we believe that we are well-positioned to capitalize on the growth opportunities in this market.

● Increasing Marketing for Institutional and Private Wealth Management. The Institutional and Private Wealth Management business was principally developed through direct marketing channels.  We plan to augment our institutional sales force through the addition of staff to market directly to the consultant community as well as through our traditional marketing channels.

● Attracting and Retaining Experienced Professionals. We offer significant variable compensation that provides opportunities to our staff.  The ability to attract and retain highly-experienced investment and other professionals with a long-term commitment to us and our clients has been, and will continue to be, a significant factor in our long-term growth.

● Hosting of Institutional Investor Symposiums. We have a tradition of sponsoring institutional investor symposiums that bring together prominent portfolio managers, members of academia and other leading business professionals to present, discuss and debate current issues and topics in the investment industry.  These symposiums have included:

-2017 -2015	“Digital Evolution in Financial Services” “Capital Allocation – The Tug of War”
-2013	“Value Investing 20 Years Later: A Celebration of the Roger Murray Lecture Series”
-2006	“Closed-End Funds: Premiums vs. Discounts, Dividends and Distributions”
-2003	“Dividends, Taxable versus Non-Taxable Issues”
-2001 -1998	“Virtues of Value Investing” “The Role of Hedge Funds as a Way of Generating Absolute Returns”
-1997	“Active vs. Passive Stock Selection”

● Capitalizing on Acquisitions, Alliances and Lift-outs. We intend to selectively and opportunistically pursue acquisitions, alliances and lift-outs that will broaden our product offerings and add new sources of distribution.   On October 1, 1999, we completed our alliance with Mathers and Company, Inc. and now act as investment advisor to the GAMCO Mathers Fund, and in May 2000, we added Comstock Partners Funds, Inc., (renamed Comstock Funds, Inc.).  The Mathers and Comstock funds are part of our Non-Market Correlated mutual fund product line.  In November 2002, we completed our alliance with Woodland Partners LLC, a Minneapolis-based investment advisor focused on investing in small capitalization companies.  On March 11, 2008, Gabelli Funds, LLC (“Funds Advisor”) assumed the role of investment advisor to the AXA Enterprise Mergers and Acquisitions Fund, subsequently renamed Gabelli Enterprise Mergers and Acquisitions Fund, a fund that had been sub-advised by GAMCO since the fund’s inception on February 28, 2001.  On August 1, 2010, the clients of Florida-based NMF Asset Management became part of the Institutional and Private Wealth Management operation of GAMCO Asset Management Inc. (“GAMCO Asset”).  On November 2, 2015, the investment team of Dinsmore Capital, a specialist in convertible bond investing and formerly the manager of The Bancroft Fund and the Ellsworth Growth & Income Fund joined Gabelli Funds.

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We believe that our growth to date is traceable to the following factors:

● Strong Industry Fundamentals: According to data compiled by the U.S. Federal Reserve, the investment management industry has grown faster than more traditional segments of the financial services industry, including the banking and insurance industries. Since GBL began managing assets for institutional and private wealth management clients in 1977, world equity markets have grown at a 10.3% compound annual growth rate through December 31, 2017 to approximately $81.3 trillion^(a).  The U.S. equity market comprises about $29.6 trillion^(a) or roughly 36% of world equity markets.  We believe that demographic trends and the growing role of money managers in the placement of capital compared to the traditional role played by banks and life insurance companies will result in continued growth of the investment management industry.

● Long-Term Performance:We have a superior long-term record of achieving relatively high returns for our Institutional and Private Wealth Management clients.  We believe that our performance record represents a competitive advantage and a recognized component of our franchise.

● Stock Market Gains:Since we began managing for institutional and private wealth management clients in 1977, our traditional value-oriented Institutional and Private Wealth Management composite has earned a compound annual return of 16.2% gross and 15.3% net of fees versus a compound annual return of 11.8% for theS&P 500 through December 31, 2017.  For 2017, the GAMCO composite rose 17.4% gross and 16.9% net of fees versus a gain of 21.8% for the S&P 500.

● Widely-Recognized “Gabelli” and “GAMCO” Brand Names: For much of our history, our portfolio managers and investment products have been featured in a variety of financial print media, including both U.S. and international publications such as The Wall Street Journal, Financial Times, Money Magazine, Barron's, Fortune, Business Week, Nikkei Financial News, Forbes Magazine, Consumer Reports and Investor's Business Daily.  We also underwrite publications written by our investment professionals, including  Deals…Deals…and More Deals, which examines the history and current practice of merger arbitrage and is published in English, Japanese, Chinese and Italian, and Global Convertible Investing: The Gabelli Way, a comprehensive guide to effective investing in convertible securities.  We look forward to publishing the follow up book to our 1999 Deals…Deals…and More Deals in the coming months: tales of how the best arbitrageurs of our time earn a non-market correlated return by investing in announced takeovers.

● Diversified Product Offerings: Since the inception of our investment management activities, we have sought to expand the breadth of our product offerings.  We currently offer a wide spectrum of investment products and strategies, including product offerings in U.S. equities, U.S. fixed income, global and international equities, and convertible securities.

Business Description

Our AUM’s are clustered in two groups:  Funds and Institutional & Private Wealth Management.

Funds:  We provide advisory services to twenty-one open-end funds, sixteen closed-end funds and two actively managed exchange traded managed funds.  At December 31, 2017, we had $23.7 billion of AUM in Fund AUM, representing 55.0% of our total AUM.  Our equity funds and closed-end funds were $21.8 billion in AUM on December 31, 2017, 5.8% ahead of the $20.6 billion on December 31, 2016.  We also are the advisor to a SICAV with AUM of $510 million at December 31, 2017, up from the $320 million in AUM at December 31, 2016.

(a) Source: Birinyi Associates, LLC

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Open-end Funds

On December 31, 2017, we had $13.7 billion of AUM in twenty open-end equity funds and $1.9 billion in our Gabelli U.S. Treasury Money Market Fund.  We market our open-end funds primarily through third party distribution programs, including no-transaction fee (“NTF”) programs, and have developed additional share classes for many of our funds for distribution through additional third party distribution channels.  At December 31, 2017, third party distribution programs accounted for approximately 78% of all assets in open-end equity funds, and, approximately 22% of our AUM in open-end, equity funds was sourced through direct sales relationships.

Closed-end Funds

We act as investment advisor to sixteen closed-end funds, fourteen of which trade on the NYSE or its affiliated exchange: Gabelli Equity Trust (GAB), GDL Fund (GDL), Gabelli Multimedia Trust (GGT), Gabelli Healthcare & Wellness ^Rx Trust (GRX), Gabelli Convertible and Income Securities Fund (GCV), Gabelli Utility Trust (GUT), Gabelli Dividend & Income Trust (GDV), Gabelli Global Utility & Income Trust (GLU), GAMCO Global Gold, Natural Resources & Income Trust (GGN), GAMCO Natural Resources, Gold & Income Trust (GNT), The Gabelli Global Small and Mid Cap Value Trust (GGZ), the Bancroft Fund Ltd. (BCV), the Ellsworth Growth and Income Fund Ltd. (ECF), and the Gabelli Go Anywhere Trust (GGO).  We launched the Gabelli Value Plus+ Trust Plc (GVP) in 2015 and the Gabelli Merger Plus+ Trust PLC (GMP) in 2017, both of which trade on the London Stock Exchange.  As of December 31, 2017, the sixteen closed-end funds had total assets of $8.1 billion, representing 34.0% of the total assets in our Funds business.

Exchange Traded Managed Funds

During 2016, we launched our first exchange traded managed fund (“ETMF”).  The Gabelli Media Mogul NextShares^TM trades on the Nasdaq Stock Market LLC under the symbol “MOGLC” and was the first member of the Gabelli NextShares Trust offered under an agreement with NextShares Solutions, LLC.  The Gabelli Food of All Nations NextShares^TM was launched in 2017 and trades on the Nasdaq Stock Market LLC under the symbol “FOANC”.  As of December 31, 2017, the two ETMFs had AUM of $7.0 million.

SICAV

We provide advisory services to one fund under the GAMCO brand, the GAMCO International SICAV.  The SICAV has two sub-fund strategies, the GAMCO Merger Arbitrage Fund and the GAMCO All Cap Value Fund.  Total AUM in the SICAV was $510 million at December 31, 2017.

Institutional and Private Wealth Management:   At December 31, 2017, we had $18.9 billion of AUM in approximately 1,700 Institutional and Private Wealth Management accounts, representing 43.8% of our total AUM.  The Private Wealth Management clients – defined as individuals generally having minimum investable assets of $5 million comprised approximately 80% of the total number of management accounts and approximately $5.3 billion, or 28%, of the Institutional and Private Wealth Management assets as of December 31, 2017.  We believe that Private Wealth Management clients for the taxable portion of their assets are attracted to us by our returns and the tax efficient nature of the underlying investment process.  As of December 31, 2017, institutional client accounts represented approximately $6.4 billion, or 35%, of the Institutional and Private Wealth Management assets and 9% of the accounts.  Foundation and endowment fund assets represented 11% of the number of Institutional and Private Wealth Management accounts and approximately $1.7 billion, or 9%, of the Institutional and Private Wealth Management AUM.  The sub-advisory clients, (where we act as sub-advisor to third party investment funds) held approximately $5.4 billion, or 29%, of total Institutional and Private Wealth Management assets with 1% of the total number of accounts.

The ten largest Institutional and Private Wealth Management relationships comprised approximately 47% of GAMCO Asset Management AUM and approximately 20% of our total AUM and approximately 29% of GAMCO Asset Management revenues and approximately 9% of our total revenues for the year ended December 31, 2017.

Investment advisory agreements for our Institutional and Private Wealth Management clients are typically subject to termination by the client without penalty on 30 days’ notice or less.

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Assets Under Management

The following table sets forth total AUM by product type as of the dates shown:

Assets Under Management

By Product Type

(Dollars in millions)

											%
	At December 31,										Change
	2013 (c)		2014 (c)		2015		2016		2017			2017/2016
Equity:
Open-end Funds	$	17,078	$	17,684	$	13,811	$	13,462	$	13,747		2.1	%
Closed-end Funds		6,945		6,949		6,492		7,150		8,053		12.6
Institutional & Private Wealth Management
Direct		16,486		16,597		13,366		13,441		13,420		(0.2	)
Sub-advisory		3,797		3,704		3,401		3,783		5,432		43.6
SICAV (a)		96		135		178		320		510		59.4
Total Equity		44,402		45,069		37,248		38,156		41,162		7.9
Fixed Income:
Money Market Mutual Fund (b)		1,735		1,455		1,514		1,767		1,870		5.8
Institutional & Private Wealth Management		62		58		38		31		31		0.0
Total Fixed Income		1,797		1,513		1,552		1,798		1,901		5.7
Total AUM	$	46,199	$	46,582	$	38,800	$	39,954	$	43,063		7.8
Breakdown of Total AUM:
Funds		25,758		26,088		21,817		22,379		23,670		5.8
Institutional & Private Wealth Management
Direct		16,548		16,655		13,404		13,472		13,451		(0.2	)
Sub-advisory		3,797		3,704		3,401		3,783		5,432		43.6
SICAV		96		135		178		320		510		59.4
Total AUM	$	46,199	$	46,582	$	38,800	$	39,954	$	43,063		7.8

(a) Adjusted to include assets of $96 million, $135 million, $141 million, and $270 million at December 31, 2013, 2014, 2015,

and 2016, respectively.

(b) The Fund is 100% invested in short-term U.S. Treasury obligations which have remaining maturities of 397 days or less.

(c) Historical AUM has been restated to remove the AUM managed by AC.

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Summary of Investment Products

We manage assets in the following wide spectrum of investment products and strategies:

U.S. Equities: (92.9% of AUM)	Global and International Equities: (1.6% of AUM)
All Cap Value	International Growth
Large Cap Value	International Small Cap Growth
Large Cap Growth	Global Growth
Mid Cap Value	Global Value
Small Cap Value	Global Content & Connectivity
Small Cap Growth	Global Utilities
Micro Cap	Gold
Natural Resources	Small and Mid Cap
Income
Utilities	U.S. Fixed Income: (4.3% of AUM)
Non-Market Correlated	Corporate
Option Income	Government
Multimedia	Asset-backed
ESG	Intermediate
Healthcare	Short-term
Convertible Securities: (1.2% of AUM)
Convertible Securities

Additional Information on Mutual Funds

Through Funds Advisor, we act as advisor to all of the Funds, except with respect to the GAMCO Mathers Fund for which GAMCO Asset Management Inc. acts as the advisor.

Shareholders of the open-end funds are allowed to exchange shares among the same class of shares of the other open-end funds as economic and market conditions and investor needs change at no additional cost.  However, as noted below, certain open-end funds impose a 2% redemption fee on shares redeemed within seven days or less after a purchase.  We periodically introduce new funds designed to complement and expand our investment product offerings, respond to competitive developments in the financial marketplace and meet the changing needs of investors.

Our marketing efforts for the open-end funds are currently focused on increasing the distribution and sales of our existing funds as well as creating new products for sale through our distribution channels.  We believe that our marketing efforts for the funds will continue to generate additional revenues from investment advisory fees.  We had traditionally distributed most of our open-end funds by using a variety of direct response marketing techniques, including telemarketing and advertising, and as a result we maintain direct relationships with many of our no-load open-end fund shareholders.  Beginning in late 1995, we expanded our product distribution by offering several of our open-end funds through third party distribution programs, including NTF programs.  In 1998 and 1999, we further expanded these efforts to include substantially all of our open-end funds in third party distribution programs.  Approximately 22% of the AUM in the open-end equity funds are still attributable to our direct response marketing efforts.  Third party distribution programs have become an increasingly important source of asset growth for us.  Of the $13.7 billion of AUM in the open-end equity funds as of December 31, 2017, approximately 78% were generated through third party distribution programs.  We are responsible for paying the service and distribution fees charged by many of the third party distribution programs, although a portion of such service fees under certain circumstances are payable by the funds.  The multi-class shares are available in all of the Gabelli Funds, with the exception of the Gabelli Capital Asset Fund and the GAMCO Mathers Fund.  We believe that the use of multi-class shares expands the distribution of our open-end funds into the advised sector of the mutual fund investment community.  We introduced Class I shares, which are no-load shares with higher minimum initial investment and without distribution fees available directly through G.distributors or brokers that have entered into selling agreements with respect to Class I shares.  The no-load shares are designated as Class AAA shares and are available for new and current investors.  During 2017, we introduced Class T shares for some of our open-end funds which have a reduced sales charge as compared to Class A shares.  In general, distribution through third party programs has greater variable cost components and lower fixed cost components than distribution through our traditional direct sales methods.

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We provide investment advisory and management services pursuant to an investment management agreement with each fund.  The investment management agreements with the funds generally provide that we are responsible for the overall investment and administrative services, subject to the oversight of each fund's Board of Directors or Trustees and in accordance with each fund's fundamental investment objectives and policies.  The investment management agreements permit us to enter into separate agreements for sub-administrative and accounting services on behalf of the respective funds.

Our affiliated advisors provide the funds with administrative services pursuant to the management contracts.  Such services include, without limitation, supervision of the calculation of net asset value, preparation of financial reports for shareholders of the funds, internal accounting, tax accounting and reporting, regulatory filings and other services.  Most of these administrative services are provided through sub-contracts with independent third parties.  Transfer agency and custodial services are provided directly to the funds by independent third parties.

Our funds’ investment management agreements may continue in effect from year to year only if specifically approved at least annually by (i) the fund's Board of Directors or Trustees or (ii) the fund's shareholders and, in either case, the vote of a majority of the fund's independent or non-interested directors or trustees who are not parties to the agreement or “interested persons” of any such party, within the meaning of the Investment Company Act of 1940 as amended (the “Company Act”).  Each fund may terminate its investment management agreement at any time upon 60 days' written notice by (i) a vote of the majority of the Board of Directors or Trustees cast in person at a meeting called for the purpose of voting on such termination or (ii) a vote at a meeting of shareholders of the lesser of either 67% of the voting shares represented in person or by proxy (if at least 50% of the shares are present at the meeting) or 50% of the outstanding voting shares of such Fund.  Each investment management agreement automatically terminates in the event of its assignment, as defined in the Company Act.  We may terminate an investment management agreement without penalty on 60 days' written notice.

Open-End Fund Distribution

G.distributors, a wholly-owned subsidiary of GBL, is a broker-dealer registered under the Securities Exchange Act of 1934 and is regulated by FINRA.  G.distributors' revenues are derived primarily from the distribution of our open-end funds.  G.distributors distributes our open-end funds pursuant to distribution agreements with each fund.  It also distributes funds managed by Teton and its affiliates.  Under each distribution agreement with an open-end fund, G.distributors offers and sells such open-end fund's shares on a continuous basis and pays the majority of the costs of marketing and selling the shares, including printing and mailing prospectuses and sales literature, advertising and maintaining sales and customer service personnel and sales and services fulfillment systems, and payments to the sponsors of third party distribution programs, financial intermediaries and G.distributors sales personnel.  G.distributors receives fees for such services pursuant to distribution plans adopted under provisions of Rule 12b-1 (“12b-1”) of the Company Act.  Distribution fees from the open-end funds are computed daily based on average net assets.  Distribution fees from the open-end funds amounted to $39.7 million, $41.0 million and $47.7 million while payments to third-parties for selling the open-end funds totaled $37.3 million, $39.7 million and $45.8 million for the years ended December 31, 2017, 2016 and 2015, respectively.  G.distributors is the principal underwriter for funds distributed in multiple classes of shares which carry either a front-end, back-end or no sales charge.  Underwriting fees and sales charges retained amounted to $1.5 million, $1.2 million and $1.0 million for the years ended December 31, 2017, 2016 and 2015, respectively.

Under the distribution plans, the open-end Class AAA shares of the funds (except The Gabelli U.S. Treasury Money Market Fund, Gabelli Capital Asset Fund and The Gabelli ABC Fund) and the Class A, T and V shares of various funds pay G.distributors a distribution or service fee of .25% per year (except the Class A shares of the TETON Westwood Funds and Gabelli Enterprise Mergers & Acquisition Fund which pay .50% and 0.45% per year, respectively, and the TETON Westwood Intermediate Bond Fund which pays .35%) on the average daily net assets of the fund.  Class C shares have a 12b-1 distribution plan with a service and distribution fee totaling 1%.   G.distributors’ distribution agreements with the funds may continue in effect from year to year only if specifically approved at least annually by (i) the fund's Board of Directors or Trustees or (ii) the fund's shareholders and, in either case, the vote of a majority of the fund's directors or trustees who are not parties to the agreement or “interested persons” of any such party, within the meaning of the Company Act.  Each fund may terminate its distribution agreement, or any agreement thereunder, at any time upon 60 days' written notice by (i) a vote of the majority of its directors or trustees cast in person at a meeting called for the purpose of voting on such termination or (ii) a vote at a meeting of shareholders of the lesser of either 67% of the voting shares represented in person or by proxy (if at least 50% of the shares are present at the meeting) or 50% of the outstanding voting shares of such fund. Each distribution agreement automatically terminates in the event of its assignment, as defined in the Company Act.  G.distributors may terminate a distribution agreement without penalty upon 60 days' written notice.

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G.distributors also offers our open-end fund products through our website, www.gabelli.com, where directly registered mutual fund investors can access their personal account information and buy, sell, and exchange Fund shares.  Fund prospectuses, quarterly reports, fund applications, daily net asset values and performance charts are all available online.  

Competition

We compete with other investment management firms and mutual fund companies, insurance companies, banks, brokerage firms and other financial institutions that offer products that have similar features and investment objectives.  Many of these investment management firms are subsidiaries of large diversified financial companies.  Many others are much larger in terms of AUM and revenues and, accordingly, have much larger sales organizations and marketing budgets.  Historically, we have competed primarily on the basis of the long-term investment performance of many of our investment products.  However, we have taken steps to increase our distribution channels, brand name awareness and marketing efforts.

The market for providing investment management services to Institutional and Private Wealth Management clients is also highly competitive.  Approximately 33% of our investment advisory fee revenue for the year ended December 31, 2017 was derived from our Institutional and Private Wealth Management business.  Selection of investment advisors by U.S. institutional investors is often subject to a screening process and to favorable recommendations by investment industry consultants.  Many of these investors require their investment advisors to have a successful and sustained performance record, often five years or longer with focus also on one-year and three-year performance records.  We have significantly increased our AUM on behalf of U.S. institutional investors since our entry into the institutional asset management business in 1977.

Intellectual Property

Service marks and brand name recognition are important to our business.  We have rights to the service marks under which our products are offered.  We have registered certain service marks in the United States and will continue to do so as new trademarks and service marks are developed or acquired.  We have rights to use the “Gabelli” name, the “GAMCO” name, and other names.  Pursuant to an assignment agreement, Mr. Gabelli has assigned to us all of his rights, title and interests in and to the “Gabelli” name for use in connection with investment management services, mutual funds and securities brokerage services.  However, under the agreement, Mr. Gabelli will retain any and all rights, title and interests he has or may have in the “Gabelli” name for use in connection with (i) charitable foundations controlled by Mr. Gabelli or members of his family and (ii) entities engaged in private investment activities for Mr. Gabelli or members of his family.  In addition, the funds managed by Mr. Gabelli outside GBL have entered into a license agreement with us permitting them to continue limited use of the “Gabelli” name under specified circumstances.  We have taken, and will continue to take, action to protect our interests in these service marks.

Regulation

Virtually all aspects of our businesses are subject to various federal, state and foreign laws and regulations.  These laws and regulations are primarily intended to protect investment advisory clients and shareholders of investment funds. Under such laws and regulations, agencies that regulate investment advisors and broker-dealers have broad powers, including the power to limit, restrict or prohibit such an advisor or broker-dealer from carrying on its business in the event that it fails to comply with such laws and regulations.  In such an event, the possible sanctions that may be imposed include civil and criminal liability, the suspension of individual employees, injunctions, limitations on engaging in certain lines of business for specified periods of time, revocation of the investment advisor and other registrations, censures, and fines.

Our business is subject to extensive regulation at the federal, state and foreign level by the SEC and other regulatory bodies.  Certain of our subsidiaries are registered with the SEC under the Investment Advisers Act of 1940 (“Advisers Act”), and the funds are registered with the SEC under the Company Act.  We also have a subsidiary that is registered as a broker-dealer with the SEC and is subject to regulation by FINRA and various states.

The subsidiaries of GBL that are registered with the Commission under the Advisers Act (Funds Advisor, Gabelli Fixed Income LLC and GAMCO Asset) are regulated by and subject to examination by the SEC.  The Advisers Act imposes numerous obligations on registered investment advisors including fiduciary duties, disclosure obligations and record keeping, operational and marketing requirements.  The Commission is authorized to institute proceedings and impose sanctions for violations of the Advisers Act, ranging from censure to termination of an investment advisor's registration.  The failure of an advisory subsidiary to comply with the requirements of the SEC could have a material adverse effect on us.

We derive a substantial majority of our revenues from investment advisory services through our various investment management agreements.  Under the Advisers Act, our investment management agreements may not be assigned without the client's consent.  Under the Company Act, advisory agreements with registered investment companies such as our Funds terminate automatically upon assignment.  The term “assignment” is broadly defined and includes direct as well as assignments that may be deemed to occur, under certain circumstances, upon the transfer, directly or indirectly, of a controlling interest in GBL.

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In its capacity as a broker-dealer, G.distributors is required to maintain certain minimum net capital amounts.  These requirements also provide that equity capital may not be withdrawn, advances to affiliates may not be made or cash dividends paid if certain minimum net capital requirements are not met.  G.distributors’ net capital, as defined, met or exceeded all minimum requirements as of December 31, 2017.  As a registered broker-dealer, G.distributors is also subject to periodic examination by FINRA, the SEC and the states.

Subsidiaries of GBL are subject to the Employee Retirement Income Security Act of 1974, as amended (“ERISA”), and to regulations promulgated thereunder, insofar as they are “fiduciaries” under ERISA with respect to certain of their clients. ERISA and applicable provisions of the Internal Revenue Code of 1986, as amended (the “Code”), impose certain duties on persons who are fiduciaries under ERISA and prohibit certain transactions involving ERISA plan clients.  Our failure to comply with these requirements could have a material adverse effect on us.

Investments by GBL and on behalf of our advisory clients and investment funds often represent a significant equity ownership position in an issuer's class of stock.  As of December 31, 2017, we had five percent or more beneficial ownership with respect to 108 equity securities.  This activity raises frequent regulatory, legal, and disclosure issues regarding our aggregate beneficial ownership level with respect to portfolio securities, including issues relating to issuers' shareholder rights plans or “poison pills,” and various federal and state regulatory limitations, including state gaming laws and regulations, federal communications laws and regulations and federal and state public utility laws and regulations, as well as federal proxy rules governing shareholder communications and federal laws and regulations regarding the reporting of beneficial ownership positions.  Our failure to comply with these requirements could have a material adverse effect on us.

The USA Patriot Act of 2001 contains anti-money laundering and financial transparency laws and mandates the implementation of various new regulations applicable to broker-dealers, mutual funds and other financial services companies, including standards for verifying client identification at account opening, and obligations to monitor client transactions and report suspicious activities.  Anti-money laundering laws outside of the U.S. contain some similar provisions.  Our failure to comply with these requirements could have a material adverse effect on us.

We and certain of our affiliates are subject to the laws of non-U.S. jurisdictions and non-U.S. regulatory agencies or bodies.  In connection with our office in London and our plans to market certain products in Europe, we are required to comply with the laws of the United Kingdom and other European countries regarding these activities.  Our subsidiary, GAMCO Asset Management (UK) Limited, is regulated by the Financial Conduct Authority (“FCA”).  In connection with our registration in the United Kingdom, we have minimum capital requirements that have been consistently met or exceeded.  We opened an office in Tokyo and therefore are subject to national and local laws in that jurisdiction.  We are subject to requirements in numerous jurisdictions regarding reporting of beneficial ownership positions in securities issued by companies whose securities are publicly-traded in those countries.

Regulatory matters

The investment management industry is likely to continue facing a high level of regulatory scrutiny and become subject to additional rules designed to increase disclosure, tighten controls and reduce potential conflicts of interest.  In addition, the Commission has substantially increased its use of focused inquiries which request information from investment advisors and a number of fund complexes regarding particular practices or provisions of the securities laws.  We participate in some of these inquiries in the normal course of our business.  Changes in laws, regulations and administrative practices by regulatory authorities, and the associated compliance costs, have increased our cost structure and could in the future have a material adverse impact.  Although we have installed procedures and utilize the services of experienced administrators, accountants and lawyers to assist us in adhering to regulatory guidelines and satisfying these requirements, and maintain insurance to protect ourselves in the case of client losses, there can be no assurance that the precautions and procedures that we have instituted and installed, or the insurance that we maintain to protect ourselves in case of client losses, will protect us from all potential liabilities.

See Item 3: LEGAL PROCEEDINGS below.

Personnel

On February 28, 2018, we had a full-time staff of 159 individuals, of whom 41 served in the portfolio management, portfolio management support and trading areas (including 19 portfolio managers for the Funds, Institutional and Private Wealth Management), 55 served in the marketing and shareholder servicing areas and 63 served in the administrative area.

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ITEM 1A:RISK FACTORS

We caution the reader that the following risks and those risks described elsewhere in this report and in our other SEC filings could have a material adverse effect on our business, prospects, financial condition, results of operations or cash flow or could cause a decline in the Company’s stock price.

Risks Related to Our Industry

We earn substantially all of our revenue based on assets under management and therefore a reduction in assets under management would reduce our revenues and profitability.  Assets under management fluctuate based on many factors including: market conditions, investment performance, and terminations of investment contracts.

Substantially all of our revenues are directly related to the amount of our AUM. Under our investment advisory contracts with our clients, the investment advisory fees we receive are typically based on the market value of AUM.  In addition, we receive asset-based distribution and/or service fees with respect to the open-end funds managed by Funds Advisor or Teton and its affiliates over time pursuant to distribution plans adopted under provisions of Rule 12b-1 under the Company Act.  Rule 12b-1 fees typically are based on the average AUM and represented approximately 11.0%, 11.6% and 12.5% of our total revenues for the years ended December 31, 2017, 2016 and 2015, respectively.  Accordingly, a decline in the prices of securities generally may cause our revenues and net income to decline by either causing the value of our AUM to decrease, which would result in lower investment advisory and Rule 12b-1 fees, or causing our clients to withdraw funds in favor of investments they perceive to offer greater opportunity or lower risk, which would also result in lower fees.  The securities markets are highly volatile, and securities prices may increase or decrease for many reasons beyond our control, including but not limited to economic and political events, war (whether or not directly involving the U.S.), acts of terrorism, unanticipated changes in currency exchange rates, interest rates, inflation rates, the yield curve, defaults by derivative counterparties, bond default risks, sovereign debt crisis and other factors that are difficult or impossible to predict.  If a decline in securities prices caused our revenues to decline, it could have a material adverse effect on our earnings.

Changes in laws or regulations or in governmental policies and compliance with existing laws or regulations could limit the sources and amounts of our revenues, increase our costs of doing business, decrease our profitability and materially and adversely affect our business.

Our business is subject to extensive regulation in the United States, primarily at the federal level, including regulation by the SEC under the Company Act and the Advisers Act as well as other securities laws, by the Department of Labor under ERISA, and regulation by FINRA and state regulators. The Funds managed by Funds Advisor are registered with the SEC as investment companies under the Company Act.  The Advisers Act imposes numerous obligations on investment advisors, including record-keeping, advertising and operating requirements, fiduciary and disclosure obligations, custodial requirements and prohibitions on fraudulent activities.  The Company Act imposes similar obligations, as well as additional detailed operational requirements, on registered investment companies and investment advisors.  In addition, our businesses are also subject to regulation by the Financial Services Authority in the United Kingdom, and we are also subject to the laws of other non-U.S. jurisdictions and non-U.S. regulatory agencies or bodies.

Our failure to comply with applicable laws or regulations could result in fines, censure, suspensions of personnel or other sanctions, including revocation of our subsidiaries’ registrations as an investment advisor or broker-dealer.  Industry regulations are designed to protect our clients and investors in our funds and other third parties who deal with us and to ensure the integrity of the financial markets.  Our industry is frequently altered by new laws or regulations and by revisions to, and evolving interpretations of, existing laws and regulations, both in the U.S. and in other nations.  Changes in laws or regulations or in governmental policies could limit the sources and amounts of our revenues including but not limited to distribution revenue under the Company Act, increase our costs of doing business, decrease our profitability and materially and adversely affect our business.

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To the extent that provisions of the Tax Cuts and Jobs Act (the “Act”) affect the deductibility of named executive officer (“NEO”) compensation, we may be impacted.

The Act eliminates the performance based compensation exception for NEO compensation deductibility.  To the extent that some of the compensation of our NEOs is affected by this change, we would have a lower amount of deductible compensation in future years and a higher effective tax rate than we would have had without this potential loss of deductibility.  We continue to evaluate the impact of the Act’s provisions, regarding NEO compensation and otherwise, and whether and if so, by how much, the Act’s provisions will impact us.

To the extent we are forced to compete on the basis of price, we may not be able to maintain our current fee structure.

The investment management business is highly competitive and has relatively low barriers to entry.  To the extent we are forced to compete on the basis of price, we may not be able to maintain our current fee structure.  Although our investment management fees vary from product to product, historically we have competed primarily on the performance of our products and not on the level of our investment management fees relative to those of our competitors.  In recent years, however, there has been a trend toward lower fees in the investment management industry.  In order to maintain our fee structure in a competitive environment, we must be able to continue to provide clients with investment returns and service that make investors willing to pay our fees.  In addition, the board of directors or trustees of each fund managed by Funds Advisor must make certain findings as to the reasonableness of its fees.  We cannot be assured that we will succeed in providing investment returns and service that will allow us to maintain our current fee structure.  Fee reductions on existing or new business could have an adverse effect on our profit margins and results of operations.

We derive a substantial portion of our revenues from investment advisory contracts that may be terminated on short notice or may not be renewed by clients.

A substantial majority of our revenues are derived from investment management agreements and distribution arrangements.  Investment management agreements and distribution arrangements with the Funds are terminable without penalty on 60 days' notice (subject to certain additional procedural requirements in the case of termination by a Fund) and must be specifically approved at least annually, as required by law.  Such annual renewal requires, among other things, approval by the disinterested members of each Fund's board of directors or trustees.  Investment advisory agreements with our Institutional and Private Wealth Management clients are typically terminable by the client without penalty on 30 days' notice or less.  Any failure to renew or termination of a significant number of these agreements or arrangements would have a material adverse effect on us.

Investors in the open-end funds can redeem their investments in these funds at any time without prior notice, which could adversely affect our earnings.

Open-end fund investors may redeem their investments in those funds at any time without prior notice.  Investors may reduce the aggregate amount of AUM for any number of reasons, including investment performance, changes in prevailing interest rates and financial market performance.  In a declining stock market, the pace of mutual fund redemptions could accelerate.  Poor performance relative to other asset management firms tends to result in decreased purchases of mutual fund shares and increased redemptions of mutual fund shares.  The redemption of investments in mutual funds managed by Funds Advisor would adversely affect our revenues, which are substantially dependent upon the AUM in our funds.  If redemptions of investments in mutual funds caused our revenues to decline, it could have a material adverse effect on our earnings.

Certain changes in control of our company would automatically terminate our investment management agreements with our clients, unless our Institutional and Private Wealth Management clients consent and, in the case of Fund clients, the Funds’ boards of directors and shareholders vote to continue the agreements, and could prevent us for a two-year period from increasing the investment advisory fees we are able to charge our mutual fund clients.

Under the Company Act, an investment management agreement with a fund must provide for its automatic termination in the event of its assignment. The fund’s board and shareholders must vote to continue the agreement following its assignment, the cost of which ordinarily would be borne by us.  Under the Advisers Act, a client’s investment management agreement may not be “assigned” by the investment advisor without the client’s consent.  An investment management agreement is considered to be assigned to another party when a controlling block of the advisor’s ownership is transferred.  In our case, an assignment of our investment management agreements may occur if, among other things, we sell or issue a certain number of additional common shares in the future.  We cannot be certain that our clients will consent to assignments of our investment management agreements or approve new agreements with us if an assignment occurs.  Under the Company Act, if a fund’s investment advisor engages in a transaction that results in the assignment of its investment management agreement with the fund, the advisor may not impose an “unfair burden” on that fund as a result of the transaction for a two-year period after the transaction is completed.  The term “unfair burden” has been interpreted to include certain increases in investment advisory fees.  This restriction may discourage potential purchasers from acquiring a controlling interest in our company.

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Catastrophic and unpredictable events could have a material adverse effect on our business.

A terrorist attack, political unrest, war (whether or not directly involving the U.S.), power failure, cyber-attack, technology failure, natural disaster or many other possible catastrophic or unpredictable events could adversely affect our future revenues, expenses and earnings by, among other things: causing disruptions in U.S., regional or global economic conditions; interrupting our normal business operations; inflicting employee casualties, including loss of our key executives; requiring substantial expenditures and expenses to repair, replace and restore normal business operations; and reducing investor confidence.

We have a disaster recovery plan to address certain contingencies, but it cannot be assured that this plan will be effective or sufficient in responding to, eliminating or ameliorating the effects of all disaster scenarios.  If our employees or vendors we rely upon for support in a catastrophic event are unable to respond adequately or in a timely manner, we may lose clients resulting in a decrease in AUM which may have a material adverse effect on revenues and net income.

The soundness of other financial institutions could adversely affect our business.

Financial services institutions are interrelated as a result of trading, clearing, counterparty or other relationships. We and the investments we manage may have exposure to many different industries and counterparties, and we routinely execute transactions with counterparties in the financial services industry, including: brokers and dealers, commercial banks, investment banks, clearing organizations, mutual and hedge funds, and other institutions. Many of these transactions expose us, or the accounts we manage, to credit risk in the event of the counterparty’s default.  There is no assurance that any such losses would not materially and adversely impact the Company’s revenues and earnings.

Risks Related to Our Business

Control by Mr. Gabelli of a majority of the combined voting power of our common stock may give rise to conflicts of interests.

Since our Offering in 1999, Mr. Gabelli, through his control and majority ownership of GGCP, has beneficially owned a majority of our outstanding Class B Stock, representing 91% of voting control.  As long as Mr. Gabelli indirectly beneficially owns a majority of the combined voting power of our common stock, he will have the ability to elect all of the members of our Board of Directors and thereby control our management and affairs, including determinations with respect to acquisitions, dispositions, borrowings, issuances of common stock or other securities, and the declaration and payment of dividends on the common stock.  In addition, Mr. Gabelli will be able to determine the outcome of matters submitted to a vote of our shareholders for approval and will be able to cause or prevent a change in control of our company.  As a result of Mr. Gabelli's control, none of our agreements with Mr. Gabelli and other companies controlled by him can be assumed to have been arrived at through “arm's-length” negotiations, although we believe that the parties endeavor to implement market-based terms.  There can be no assurance that we would not have received more favorable terms, or offered less favorable terms to, an unaffiliated party.

On February 6, 2008, Mr. Gabelli entered into an amended and restated employment agreement (the “2008 Employment Agreement”) with the Company, which was initially approved by the Company’s shareholders on November 30, 2007 and approved again on May 6, 2011 and May 5, 2015, and which limits his activities outside of the Company.  Under the 2008 Employment Agreement, the manner of computing Mr. Gabelli’s remuneration from GAMCO is unchanged.   

Mr. Gabelli has agreed that while he is employed by us he will not provide investment management services outside of GAMCO, except for certain permitted accounts.  These permitted accounts, excluding personal accounts, held assets at December 31, 2017 and 2016 of approximately $267.7 million and $252.3 million, respectively.  Mr. Gabelli continues to be a member of the team that manages the TETON Westwood Mighty Mites^SM Fund, whose advisor, Teton, was spun-off from GBL in March 2009.  Effective February 27, 2017, Funds became the sub-advisor to the TETON Westwood Mighty Mites^SM Fund.  The assets in the TETON Westwood Mighty Mites^SM Fund at December 31, 2017 were $1.4 billion.  The 2008 Employment Agreement may not be amended without the approval of the Compensation Committee and Mr. Gabelli.

We depend on Mr. Gabelli and other key personnel.

We are dependent on the efforts of Mr. Gabelli, our Chairman of the Board, Chief Executive Officer and the primary portfolio manager for a significant majority of our AUM.  The loss of Mr. Gabelli's services could have a material adverse effect on us.

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In addition to Mr. Gabelli, our future success depends to a substantial degree on our ability to retain and attract other qualified personnel to conduct our investment management business including, Christopher Marangi and Kevin Dreyer, the other Co-Chief Investment Officers of the Value team.  The market for qualified portfolio managers is extremely competitive.  We anticipate that it will be necessary for us to add portfolio managers and investment analysts as we further diversify our investment products and strategies.  There can be no assurance, however, that we will be successful in our efforts to recruit and retain personnel.  In addition, our investment professionals and senior marketing personnel have direct contact with our Institutional and Private Wealth Management clients, which can lead to strong client relationships.  The loss of these personnel could jeopardize our relationships with certain Institutional and Private Wealth Management clients, and result in the loss of such accounts.  The loss of key management professionals or the inability to recruit and retain sufficient portfolio managers and marketing personnel could have a material adverse effect on our business.

There may be adverse effects on our business from a decline in the performance of the securities markets.

Our results of operations are affected by many economic factors, including the performance of the securities markets.  The securities markets in general have experienced significant volatility, and such volatility may continue or increase in the future.  At December 31, 2017, approximately 96% of our AUM were invested in portfolios consisting primarily of equity securities. Any decline in the securities markets, in general, and the equity markets, in particular, could reduce our AUM and consequently reduce our revenues.  In addition, any such decline in the equity markets, failure of these markets to sustain their prior levels of growth, or continued short-term volatility in these markets could result in investors withdrawing from the equity markets or decreasing their rate of investment, either of which would be likely to adversely affect us.  Also, from time to time, a relatively high proportion of the assets we manage may be concentrated in particular economic or industry sectors.  A general decline in the performance of securities in those industry sectors could have an adverse effect on our AUM and revenues.

Since the separation, certain of our directors and officers may have actual or potential conflicts of interest because of their positions or relationships with AC.

Since the separation of AC from GAMCO, Mario J. Gabelli has continued to serve as our Chairman and Chief Executive Officer and also serves as Executive Chairman of AC.  Marc Gabelli, a son of Mario J. Gabelli, continues to have responsibilities relating to GAMCO.  Kevin Handwerker, GAMCO’s Executive Vice President, General Counsel and Secretary, also serves AC in the same capacities.  Douglas R. Jamieson has continued to serve as President and Director of GAMCO Asset Management Inc. and also serves as President and Chief Executive Officer and Director of AC.  Agnes Mullady has continued to serve as President and COO of the Fund Division of Gabelli Funds, LLC and also serves as an Executive Vice President of AC.  In addition, certain of our portfolio managers and teammates will be provided to AC pursuant to the Transitional Services Agreement with AC and will be officers or employees of AC.  Such dual assignments could create, or appear to create, potential conflicts of interest when our and AC’s officers and directors face decisions that could have different implications for the two companies.

Also, some of our directors, executive officers, portfolio managers and teammates own shares of AC common stock.

Mario J. Gabelli is deemed to control AC by his control of GGCP Holdings, LLC, an intermediate subsidiary of GGCP, Inc., a private company controlled by Mario J. Gabelli.  Marc Gabelli is President of GGCP, Inc.

In addition, potential conflicts of interest could arise in connection with the resolution of any dispute that may arise between GAMCO and AC regarding the terms of the agreements governing the separation and the relationship thereafter between the companies. The executive officers and other personnel of AC who serve as directors or executive management of GAMCO may interpret these agreements in their capacity as AC employees in a manner that would adversely affect the business of GAMCO.

Also, certain subsidiaries of AC are investment advisers.  The executive officers and other personnel of AC who also serve as directors or executive management of GAMCO may be confronted with the possibility of making decisions in their AC capacity that would adversely affect the business of GAMCO.

Both GAMCO and AC expect to be vigilant in attempting to identify and resolve any potential conflicts of interest, including but not limited to the types described above, at the earliest possible time.  However, there can be no guarantee that the interests of GAMCO may not be adversely affected at some point by such a conflict.

Our reputation is critical to our success.

Our reputation is critical to acquiring, maintaining and developing relationships with our clients, Mutual Fund shareholders and third party intermediaries.   Misconduct by our staff, or even unsubstantiated allegations, could result not only in direct financial harm but also in harm to our reputation, causing injury to the value of our brands and our ability to retain or attract AUM.  Moreover, reputational harm may cause us to lose current employees and we may be unable to attract new employees with similar qualification or skills. Damage to our reputation could substantially reduce our AUM and impair our ability to maintain or grow our business, which could have a material adverse effect on us.

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There is a possibility of losses associated with proprietary investment activities.

Currently, we maintain a proprietary investment position in a few securities.  Market fluctuations and other factors may result in substantial losses in our proprietary accounts, which could have an adverse effect on our balance sheet, reduce our ability or willingness to make new investments or impair our credit ratings.

Future investment performance could reduce revenues and other income.

Success in the investment management and mutual fund businesses is dependent on investment performance as well as distribution and client servicing.  Good performance generally stimulates sales of our investment products and tends to keep withdrawals and redemptions low, which generates higher management fees (which are based on the amount of AUM).  Conversely, poor performance, both in absolute terms and/or relative to peers and industry benchmarks, tends to result in decreased sales, increased withdrawals and redemptions in the case of the open-end Funds, and in the loss of Institutional and Private Wealth Management clients, with corresponding decreases in revenues to us.  Many analysts of the mutual fund industry believe that investment performance is the most important factor for the growth of open and closed-end funds, such as those we offer.  Failure of our investment products to perform well or failure of the Funds to maintain ratings or rankings could, therefore, have a material adverse effect on us.

In addition, when our investment products experience strong results relative to the market or other asset classes, clients' investments in our products may increase beyond their target levels, and we could, therefore, suffer withdrawals as our clients rebalance their investments to fit their asset allocation preferences.

Loss of significant Institutional and Private Wealth Management accounts could affect our revenues.

We had approximately 1,700 Institutional and Private Wealth Management accounts as of December 31, 2017, of which the ten largest accounts generated approximately 9% of our total revenues during the year ended December 31, 2017.  Account turnover for any reason would have an adverse effect on our revenues.  Notwithstanding performance, we have from time to time experienced account turnover of large Institutional and Private Wealth Management accounts as a result of corporate mergers and restructurings, and we could continue to lose accounts under these or other circumstances.

A decline in the market for closed-end funds could reduce our ability to raise future assets to manage.

Market conditions may preclude us from increasing the assets we manage in closed-end funds.  A significant portion of our recent growth in the assets we manage has resulted from public offerings of the common and preferred shares of closed-end funds.  We have raised approximately $5.4 billion in gross assets through closed-end fund offerings since January 2004.  The market conditions for these offerings may not be as favorable in the future, which could adversely impact our ability to grow our AUM and our revenue.

We rely on third party distribution programs.

A significant share of sales of our open-end funds come through third party distribution programs, which are programs sponsored by third party intermediaries that offer their mutual fund customers a variety of competing products and administrative services.  A substantial component of sales growth is from third party distribution programs with no transaction fees payable by the customer, which we refer to as NTF programs.  Approximately $4.2 billion of our AUM in the open-end equity funds as of December 31, 2017 are held through NTF programs.  The cost of participating in third party distribution programs is higher than our direct distribution costs, and it is anticipated that the cost of third party distribution programs will increase in the future.  Any increase would be likely to have an adverse effect on our profit margins and results of operations.  In addition, there can be no assurance that the third party distribution programs will continue to distribute the Funds.  At December 31, 2017, approximately 94% of the NTF program net assets in the Gabelli/GAMCO families of funds are attributable to two NTF programs.  The decision by these third party distribution programs to discontinue distribution of the funds, or a decision by us to withdraw one or more of the funds from the programs, could have an adverse effect on our growth of AUM.

18

Operational risks may disrupt our businesses, result in regulatory action against us or limit our growth.

We face operational risk arising from errors made in the execution, confirmation or settlement of transactions or from transactions not being properly recorded, evaluated or accounted for.  Our business is highly dependent on our ability to process, on a daily basis, transactions across markets in an efficient and accurate manner.  Consequently, we rely heavily on our financial, accounting and other data processing systems.  Despite the reliability of these systems, and the training and skill of our employees and third parties we rely on, it remains likely that errors may occasionally occur due to the extremely large number of transactions we process.  In addition, if systems we use are unable to accommodate an increasing volume of transactions our ability to expand our businesses could be constrained. If any of these systems do not operate properly or are disabled, we could suffer financial loss, a disruption of our businesses, liability to clients, regulatory intervention or reputational damage.

Failure to maintain adequate infrastructure could impede the Company’s productivity and growth.  Additionally, failure to implement effective information and cyber security policies, procedures and capabilities could disrupt operations and cause financial losses that could result in a decrease in the Company’s earnings or stock price.

The Company’s infrastructure, including its information systems and technology, is vital to the competitiveness of its business.  The failure to maintain an adequate infrastructure commensurate with the size and scope of our business could impede our productivity and growth, which could cause our earnings or stock price to decline.  We outsource a significant portion of our information systems operations to third parties who are responsible for providing the management, maintenance and updating of such systems.  Technology is subject to rapid change and we cannot guarantee that our competitors may not implement more advanced technology platforms for their products than we do for ours.  In addition, there can be no assurance that the cost of maintaining such outsourcing arrangements will not increase from its current level, which could have a material adverse effect on us.

In addition, any inaccuracies, delays, system failures or security breaches in these and other systems could subject us to client dissatisfaction and losses. Breach of our technology systems could result in the loss of valuable information, liability for stolen assets or information, remediation costs to repair damage caused by the breach, additional security costs to mitigate against future incidents and litigation costs resulting from the incident. Moreover, loss of confidential customer identification information could harm our reputation and subject us to liability under laws that protect confidential personal data, resulting in increased costs or loss of revenues. Further, although we take precautions to password protect and encrypt our laptops and other mobile electronic hardware, if such hardware is stolen, misplaced or left unattended, it may become vulnerable to hacking or other unauthorized use, creating a possible security risk and resulting in potentially costly actions by us. 

Our operations rely on the secure processing, storage and transmission of confidential and other information in our computer systems and networks.  We may be the target of cyber-attacks, including denial-of-service attacks, and must continuously monitor and develop our systems to protect our technology infrastructure and data from misappropriation or corruption.  Although we take protective measures and endeavor to modify them as circumstances warrant, our computer systems, software and networks may be vulnerable to unauthorized access, misuse, computer viruses or other malicious code and other events that could have a security impact.  If one or more of such events occur, this potentially could jeopardize our or our clients’ or counterparties’ confidential and other information processed and stored in our, our clients’, our counterparties’ or third parties’ operations, which could impact their ability to transact with us or otherwise result in significant losses or reputational damage.  The increased use of mobile technologies can heighten these and other operational risks.  We expect to expend significant additional resources on an ongoing basis to modify our protective measures and to investigate and remediate vulnerabilities or other exposures, and we may be subject to litigation and financial losses that are either not insured against or not fully covered through any insurance maintained by us.

We routinely transmit and receive personal, confidential and proprietary information by email and other electronic means.  We have discussed and worked with clients, vendors, service providers, counterparties and other third parties to develop secure transmission capabilities and protect against cyber-attacks, but we do not have, and may be unable to put in place, secure capabilities with all of our clients, vendors, service providers, counterparties and other third parties and we may not be able to ensure that these third parties have appropriate controls in place to protect the confidentiality of the information.  An interception, misuse or mishandling of personal, confidential or proprietary information being sent to or received from a client, vendor, service provider, counterparty or other third party could result in legal liability, regulatory action and reputational harm.

The failure of one of our vendors to fulfill its obligations to us could have a material adverse effect on the Company and its products.

The Company depends on a number of key vendors for various fund administration, accounting, custody and transfer agent roles and other operational needs. The failure or inability of the Company to diversify its sources for key services or the failure of any key vendors to fulfill their obligations could lead to operational issues for the Company and in certain products, which could result in financial losses for the Company and its clients.

19

Our ability to meet cash needs may be adversely affected by a number of factors.

Our ability to meet anticipated cash needs is affected by factors such as the market value of our assets, our operating cash flows and our creditworthiness as perceived by lenders. Adverse developments in any of these areas could have significantly adverse effects on our business.  If we are unable to obtain funds and financing in a timely manner or on acceptable terms, we may be forced to incur unanticipated costs or revise our business plans. Further, our access to the capital markets depends significantly on our credit ratings. A reduction in our credit ratings could increase our borrowing costs and limit our access to the capital markets. Volatility in the U.S., regional or global financing markets may also impact our ability to access the capital markets should we seek to do so, and we may be forced to incur unanticipated costs or experience other adverse effects on our business.  We currently have a credit rating of investment grade with one rating agency and one below investment grade with another rating agency.  We believe that if our credit rating was below investment grade with both credit agencies it would increase our long-term borrowing costs, on future borrowings, by 35 basis points, while a two notch downgrade would increase our long-term borrowing costs, on future borrowings, by approximately 60-70 basis points. Our current outstanding debt issuances would not be impacted by any changes in our ratings.

We face exposure to legal actions, including litigation and arbitration claims and regulatory and governmental examinations and/or investigations. Insurance coverage for these matters may be inadequate.

The volume of litigation and arbitration claims against financial services firms and the amount of damages claimed has increased over the past several years.  The types of claims that we may face are varied.  For example, we may face claims against us for purchasing securities that are inconsistent with a client’s investment objectives or guidelines, in connection with the operation of the Funds or arising from an employment dispute.  The risk of litigation is difficult to predict, assess or quantify, and may occur years after the activities or events at issue.  In addition, from time to time we may become the subject of governmental or regulatory investigations and/or examinations.  Even if we prevail in a legal or regulatory action, the costs alone of defending against the action or the harm to our reputation could have a material adverse effect on us.  The insurance coverage that we maintain with respect to legal and regulatory actions may be inadequate or may not cover certain proceedings.

Compliance failures could adversely affect us.

Our investment management activities are subject to client guidelines, and our Mutual Fund business involves compliance with numerous investment, asset valuation, distribution, and tax requirements.  A failure to comply with these guidelines or contractual requirements could result in damage to the Company’s reputation or in its clients seeking to recover losses, withdrawing their AUM or terminating their contracts, any of which could cause the Company’s revenues and earnings to decline.  There can be no assurance that the precautions and procedures that we have instituted and installed or the insurance we maintain to protect ourselves in case of client losses will protect us from potential liabilities.

We face strong competition from numerous and, in many instances, larger companies.

The asset management business is intensely competitive.  We compete with numerous investment management companies, stock brokerage and investment banking firms, insurance companies, banks, savings and loan associations and other financial institutions.  The periodic establishment of new investment management companies and other competitors increases the competition that we face. At the same time, consolidation in the financial services industry has created stronger competitors with greater financial resources and broader distribution channels than our own. Competition is based on various factors, including, among others, business reputation, investment performance, product mix and offerings, service quality and innovation, distribution relationships and fees charged.  Our competitive success in any or all of these areas cannot be assured. Additionally, competing securities dealers whom we rely upon to distribute our mutual funds also sell their own proprietary funds and investment products, which could limit the distribution of our investment products.  To the extent that existing or potential customers, including securities dealers, decide to invest in or distribute the products of our competitors, the sales of our products as well as our market share, revenues and net income could decline.

Fee pressures could reduce our profit margins.

There has been a trend toward lower fees in some segments of the investment management industry.  In order for us to maintain our fee structure in a competitive environment, we must be able to provide clients with investment returns and service that will encourage them to be willing to pay such fees.  Expense limitations and reimbursements have been put in place for certain classes of certain funds.  Accordingly, there can be no assurance that we will be able to maintain our current fee structure.  Fee reductions on existing or future new business could have an adverse effect on our profit margins and results of operations.

20

Mr. Gabelli, our Chairman of the Board and Chief Executive Officer, may receive enhanced compensation under his various deferred compensation agreements in the event we repurchase shares under our Stock Repurchase Program.  

GAMCO has entered into three separate deferred compensation agreements with Mr. Mario J. Gabelli whereby his variable compensation for fiscal 2016 and certain periods of fiscal 2017 (each such period, an “employment period”) will be in the form of Restricted Stock Units (“RSUs”), payable at the end of a specified deferral period (each, a “Lapse Date”).  On each Lapse Date, the RSUs can be settled in either stock or cash, in an amount determined by the lesser of (x) the volume-weighted average price (“VWAP”) of the Company’s Class A Stock during the applicable employment period and (y) the VWAP of the Class A Stock on the Lapse Date.

From time to time, the Company repurchases shares of its Class A Stock under a Stock Repurchase Program authorized by the Board.  Share repurchases reduce the number of shares in a company held by the public, which increases earnings per share.  As a result, the stock price may rise because shareholders know that a buyback will immediately boost earnings per share. 

Since the amount of RSUs payable under Mr. Gabelli’s deferred compensation agreements are tied to the Company’s stock price, an increase in the amount of shares the Company repurchases under its Stock Repurchase Program may have the effect of increasing Mr. Gabelli’s overall compensation.  

Risks Related to the Company

The disparity in the voting rights among the classes of shares may have a potential adverse effect on the price of our Class A Stock.

The holders of Class A Common Stock (“Class A Stock”) and Class B Stock have identical rights except that (i) holders of Class A Stock are entitled to one vote per share, while holders of Class B Stock are entitled to ten votes per share on all matters to be voted on by shareholders in general, and (ii) holders of Class A Stock are not eligible to vote on matters relating exclusively to Class B Stock and vice versa.  Since our Offering in 1999, Mr. Gabelli, through his control and majority ownership of GGCP, has beneficially owned a majority of our outstanding Class B Stock, representing approximately 91% of voting control.  As long as Mr. Gabelli indirectly beneficially owns a majority of the combined voting power of our common stock, he will have the ability to elect all of the members of our Board of Directors and thereby control our management and affairs, including among other things any determinations with respect to acquisitions, dispositions, borrowings, issuances of common stock or other securities, and the declaration and payment of dividends on the common stock.  The differential in voting rights and the ability of our company to issue additional Class B Stock could adversely affect the value of the Class A Stock to the extent the investors, or any potential future purchaser of our company, view the superior voting rights of the Class B Stock to have value.  On May 6, 2014, Class A Stock shareholders approved an advisory proposal for the Board of Directors to consider the conversion and reclassification of our shares of Class B Stock into Class A Stock at a ratio in the range of 1.15 to 1.25 shares of Class A Stock for each share of Class B Stock.  The Board of Directors has made no decision on this matter.

Future sales of our Class A Stock in the public market or sales or distributions of our Class B Stock could lower our stock price, and any additional capital raised by us through the sale of equity or convertible securities may dilute our stockholders’ ownership in us.

We may sell additional shares of Class A Stock in subsequent public offerings.  We also may issue additional shares of Class A Stock or convertible debt securities.  On March 5, 2018, AC completed a tender offer in which tendering AC shareholders received  an aggregate of approximately 660,000 shares of our registered Class A Stock constituting approximately 7% of the Class A Stock outstanding.  The market price of our Class A Stock could decline as a result of sales of Class A Stock by such shareholders.  Any such sales as well as sales by our other current shareholders could be perceived negatively.

No prediction can be made as to the effect, if any, that future sales or distributions of Class B Stock owned by GGCP Holdings LLC will have on the market price of the Class A Stock from time to time.  Sales or distributions of substantial amounts of Class A Stock or Class B Stock, or the perception that such sales or distributions are likely to occur, could adversely affect the prevailing market price for the Class A Stock.

Our common stock has relatively limited trading volume, and ownership of a large percentage is concentrated with a small number of shareholders, which could increase the volatility in our stock trading and dramatically affect our share price.

A large percentage of our common stock is held by a limited number of shareholders.  If our larger shareholders decide to liquidate their positions, it could cause significant fluctuation in the share price of our common stock.

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ITEM 1B:UNRESOLVED STAFF COMMENTS

None.

ITEM 2:PROPERTIES

Since 1997, our principal offices, consisting of a single 60,000 square foot building, are located at 401 Theodore Fremd Avenue, Rye, New York, under a lease agreement which expires on December 31, 2028 from an entity controlled by members of Mr. Gabelli's immediate family.  In addition we lease office space in Connecticut, Florida, Illinois, New Jersey, Nevada and, internationally, in London and Tokyo.

ITEM 3:LEGAL PROCEEDINGS

From time to time, the Company may be named in legal actions and proceedings.  These actions may seek substantial or indeterminate compensatory as well as punitive damages or injunctive relief.  The Company is also subject to governmental or regulatory examinations or investigations.  The examinations or investigations could result in adverse judgments, settlements, fines, injunctions, restitutions or other relief.  For any such matters, the consolidated financial statements include the necessary provisions for losses that the Company believes are probable and estimable.  Furthermore, the Company evaluates whether there exist losses which may be reasonably possible and, if material, makes the necessary disclosures.

ITEM 4:MINE SAFETY DISCLOSURES

Not applicable.

PART II

ITEM 5: MARKET FOR THE REGISTRANT’S COMMON EQUITY, RELATED STOCKHOLDER MATTERS AND ISSUER PURCHASES OF EQUITY SECURITIES

Our shares of Class A Stock are traded on the NYSE under the symbol GBL.

As of February 1, 2018, there were 129 Class A Stockholders of record and 22 Class B Stockholders of record.  These figures do not include approximately 3,200 stockholders with shares held under beneficial ownership in nominee name.

The following table sets forth the high and low prices of our Class A Stock and historical dividends declared per share to both Class A Stock and Class B Stock for each quarter of 2017 and 2016 as reported by the NYSE.

	2016									2017
							Dividends									Dividends
	High			Low			Declared			High			Low			Declared
First Quarter		$	38.60		$	25.95		$	0.02		$	32.55		$	28.51		$	0.02
Second Quarter			41.67			31.34			0.02			30.55			27.55			0.02
Third Quarter			35.62			28.30			0.02			32.60			28.05			0.02
Fourth Quarter		$	33.55		$	27.85		$	0.02		$	30.94		$	27.79		$	0.02

As of December 31, 2017, since the Offering, we have returned to shareholders $1.9 billion in total of which $1.0 billion was in the form of the Spin-offs of AC and Teton, $491.0 million was from dividends and $453.1 million was through our stock buyback program.

22

The following table provides information with respect to the shares of our Class A Stock we repurchased during the three months ended December 31, 2017:

						Total Number of		Maximum
	Total		Average			Shares Repurchased as		Number of Shares
	Number of		Price Paid Per			Part of Publicly		That May Yet Be
	Shares		Share, net of			Announced Plans		Purchased Under
Period	Repurchased		Commissions			or Programs		the Plans or Programs
10/01/17 - 10/31/17		16,100		$	29.15		16,100		852,420
11/01/17 - 11/30/17		38,197			28.73		38,197		814,223
12/01/17 - 12/31/17		139,929			29.51		139,929		674,294
Totals		194,226		$	29.33		194,226

In 1999, the Board of Directors established the stock repurchase program.  Our stock repurchase program is not subject to an expiration date.

We are required to provide a comparison of the cumulative total return on our Class A Stock as of December 31, 2017 with that of a broad equity market index and either a published industry index or a peer group index selected by us.  The following chart compares the return on the Class A Stock with the return on the S&P 500 Index and an index comprised of public asset managers (“SNL Asset Manager”).  The comparison assumes that $100 was invested in the Class A Stock and in each of the named indices, including the reinvestment of dividends, on December 31, 2012.  This chart is not intended to forecast future performance of our common stock.

	Dec. 31,		Dec. 31,		Dec. 31,		Dec. 31,		Dec. 31,		Dec. 31,
	2012		2013		2014		2015		2016		2017
GAMCO Investors, Inc.		100.00		165.45		170.24		111.47		111.13		107.02
SNL Asset Manager		100.00		153.67		162.12		138.26		146.27		194.23
S&P 500 Index		100.00		132.39		150.51		152.59		170.84		208.14

23

The following table shows information regarding outstanding options and shares reserved for future issuance under our equity compensation plans as of December 31, 2017.

	Number of Securities to be
	Issued upon Exercise of		Weighted-Average Exercise
	Outstanding Options,		Price of Outstanding Options,
Plan Category	Warrants and Rights		Warrants and Rights
Equity compensation plans approved
by security holders:
Stock options		-			n/a
Restricted stock awards		19,400		$	65.67
Equity compensation plans not approved
by security holders:		-			n/a
Total		19,400

The $65.67 RSA grant price for the remaining 19,400 RSAs reflects a pre AC spin-off stock price.  The number of securities remaining available for future issuance under equity compensation plans (excluding securities reflected in the first column above) is 281,349.

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ITEM 6:SELECTED FINANCIAL DATA

General

The selected historical financial data presented below has been derived in part from, and should be read in conjunction with “Management’s Discussion and Analysis of Financial Condition and Results of Operations” included in Item 7 and “Financial Statements and Supplementary Data” included in Item 8 of this report.  Amounts included in the tables related to income statement data and balance sheet data are derived from audited financial statements.  See Note P. Discontinued Operations for further details.

	Year Ended December 31,
	2017			2016			2015			2014			2013
Income Statement Data (in thousands)
Revenues
Investment advisory and incentive fees	$	316,705		$	308,459		$	329,965		$	360,498		$	326,325
Distribution fees and other income		43,819			44,541			51,011			61,438			52,034
Total revenues		360,524			353,000			380,976			421,936			378,359
Expenses:
Compensation costs		125,501			82,613			136,503			151,255			138,859
Stock based compensation		8,669			3,959			9,868			5,278			1,562
Management fee		13,666			6,518			15,503			18,663			14,344
Distribution costs		44,447			44,189			51,990			59,746			50,195
Other operating expenses		23,221			23,925			19,163			17,542			16,541
Total expenses		215,504			161,204			233,027			252,484			221,501
Operating income		145,020			191,796			147,949			169,452			156,858
Other income (expense), net
Net gain from investments		3,115			1,594			4,953			4,282			5,145
Extinguishment of debt		(3,300	)		-			(1,067	)		(84	)		(998	)
Interest and dividend income		2,350			1,511			2,222			2,154			2,661
Interest expense		(10,160	)		(12,674	)		(8,636	)		(7,653	)		(10,033	)
Charitable contributions		(4,137	)		-			(6,396	)		(134	)		(10,626	)
Total other income (expense), net		(12,132	)		(9,569	)		(8,924	)		(1,435	)		(13,851	)
Income before income taxes		132,888			182,227			139,025			168,017			143,007
Income tax provision		55,079			65,106			51,726			61,734			52,974
Income from continuing operations		77,809			117,121			87,299			106,283			90,033
Income/(loss) from discontinued operations, net of taxes		-			-			(3,887	)		3,107			26,820
Net income attributable to GAMCO Investors, Inc.'s shareholders	$	77,809		$	117,121		$	83,412		$	109,390		$	116,853
Net income per share attributable to GAMCO Investors, Inc.'s shareholders:
Basic - Continuing operations	$	2.68		$	4.01		$	3.43		$	4.20		$	3.51
Basic - Discontinued operations		-			-			(0.15	)		0.12			1.05
Basic - Total	$	2.68		$	4.01		$	3.28		$	4.32		$	4.56
Diluted - Continuing operations	$	2.60		$	3.92		$	3.40		$	4.16		$	3.50
Diluted - Discontinued operations		-			-			(0.15	)		0.12			1.04
Diluted - Total	$	2.60		$	3.92		$	3.24		$	4.28		$	4.54
Weighted average shares outstanding:
Basic		28,980			29,182			25,425			25,335			25,653
Diluted		30,947			30,170			25,711			25,558			25,712
Actual shares outstanding at December 31st (a)		28,974			29,463			29,821			25,855			26,086
Dividends declared per share:	$	0.08		$	0.08		$	0.28		$	0.50		$	0.72

(a) Includes unvested RSAs of 19,400, 424,340, 553,100, 710,750, and 566,950 at December 31, 2017, 2016, 2015, 2014, and 2013, respectively.

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	December 31,
	2017				2016				2015				2014			2013
Balance Sheet Data (in thousands)
Total assets (a)		$	128,286			$	149,229			$	103,899			$	865,803		$	708,761
Long-term obligations (a)			79,087				239,021				279,267				116,789			116,510
Other liabilities and noncontrolling interest			145,472				76,855				100,959				221,219			132,069
Total liabilities and noncontrolling interest			224,559				315,876				380,226				338,008			248,579
Total equity (deficit)		$	(96,273	)		$	(166,647	)		$	(276,327	)		$	527,795		$	460,182

(a) Total assets and long-term obligations have been decreased by $128, $627, and $724 at December 31, 2015, 2014, and 2013, respectively, for the adoption of ASU 2015-03 to present the debt issuance costs as a reduction of the related debt rather than as an asset.

	December 31,
	2017			2016			2015			2014			2013
Assets Under Management
(at year end, in millions):
Open-end Funds		$	15,617		$	15,229		$	15,325		$	19,139		$	18,813
Closed-end Funds			8,053			7,150			6,492			6,949			6,945
Institutional & PWM Separate Accounts
Direct			13,451			13,472			13,404			16,655			16,548
Sub-advisory			5,432			3,783			3,401			3,704			3,797
SICAV (a)			510			320			178			135			96
Total		$	43,063		$	39,954		$	38,800		$	46,582		$	46,199

(a) Adjusted to include assets of $96 million, $135 million, $141 million and $270 million at December 31, 2013, 2014, 2015, and 2016, respectively.

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ITEM 7:MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS

The following discussion should be read in conjunction with the Consolidated Financial Statements and the notes thereto included in Item 8 to this report.

Introduction

On the Spin-Off Date, GBL distributed to its stockholders all of the outstanding common stock of Associated Capital Group, Inc. (“AC”) and its subsidiaries along with certain cash and other assets.  AC owns and operates, directly or indirectly, the alternatives and the institutional research businesses previously owned and operated by GBL.  In the Spin-off, each holder of GAMCO’s Class A Common Stock (“Class A Stock”) of record as of 5:00 p.m. New York City time on November 12, 2015 (the “Record Date”), received one share of AC Class A common stock for each share of GAMCO Class A Stock held on the Record Date.  Each record holder of GAMCO’s Class B Stock received one share of AC Class B common stock for each share of GAMCO Class B Stock held on the Record Date.  Subsequent to the Spin-off, GAMCO no longer consolidates the financial results of AC for the purposes of its own financial reporting and the historical financial results of AC have been reflected in the Company’s consolidated financial statements as discontinued operations for all periods presented through the Spin-off Date.  Historical AUM have similarly been adjusted to remove AUM managed by AC.

Our revenues are highly correlated to the level of AUM and fees associated with our various investment products, rather than our own corporate assets.  AUM, which are directly influenced by the level and changes of the overall equity markets, can also fluctuate through acquisitions, the creation of new products, the addition of new accounts or the loss of existing accounts.  Since various equity products have different fees, changes in our business mix may also affect revenues.  At times, the performance of our equity products may differ markedly from popular market indices, and this can also impact our revenues.  It is our belief that general stock market trends will have the greatest impact on our level of AUM and hence, revenues.  

As of December 31, 2017, we had $43.1 billion of AUM.  We conduct our investment advisory business principally through: GAMCO (Institutional and Private Wealth Management), and Funds Advisor (Funds). We also are a distributor of our open-end funds through our broker-dealer subsidiary G.distributors.

Organizational Chart

Subsequent to the Spin-off, this is the current organizational chart of the Company.

2017 Business and Investment Highlights

· On February 14, 2017, the Company launched the Gabelli Food of all Nations NextShares^TM, its second actively managed, non-transparent exchange traded managed fund.  The fund is investing primarily in domestic and foreign companies in the food and beverage industry, which is a consolidating sector that includes many strong cash generators with pricing power.  The fund will capitalize on a segment where we have accumulated and compounded knowledge.  Consumer companies have long been a core competency at GAMCO.

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· During the first quarter of 2017, the shareholders of the TETON Westwood Mighty MitesSM Fund and the TETON Convertible Securities Fund voted to approve Gabelli Funds, LLC as the sub-advisor.  These assets are now included in the Institutional & PWM – sub-advisory segment of our AUM.

· On July 10, 2017, Standard & Poor’s revised its outlook on GAMCO to stable from negative and reaffirmed its BBB- rating.

· On July 19, 2017, we launched our 16th closed-end fund and second on the London Stock Exchange, the Gabelli Merger Plus+ Trust plc.  The fund, which trades under the symbol GMP, raised $100 million.

· On September 18, 2017, the Ellsworth Growth and Income Fund Ltd. completed its initial preferred offering.  The Fund issued $30 million of 5.25% Series A Cumulative Preferred Shares which are perpetual, non-callable for five years, and was issued at $25 per share.

· On September 26, 2017, the Gabelli Multimedia Trust completed its offering of $50 million of 5.125% Series E Cumulative Preferred Stock.  The preferred stock is perpetual, non-callable for five years, and was issued at $25 per share.

· On October 26, 2017, the GAMCO Natural Resources, Gold & Income Trust completed its offering of $30 million of 5.2% Series A Cumulative Preferred Stock.  The preferred stock is perpetual, non-callable for five years, and was issued at $25 per share.

· During December 2017, the Company completed two rights offerings for two of its closed-end funds, The Gabelli Equity Trust Inc. and The Gabelli Global Small and Mid Cap Value Trust, which raised a combined $203 million.  Both offerings were heavily oversubscribed.

· Net debt declined from $156.9 million at December 31, 2016 to $37.4 million at December 31, 2017 as we repaid the $110 million 4.5% Convertible note and $50 million of the 4% AC Note.  As of December 31, 2017, there is $123.8 million of deferred compensation payable.  $59.0 million of which has not been reflected in our GAAP financials and will be expensed $39.4 million during 2018 and $19.6 million during 2019 (see page 36 for details).

Overview

Consolidated Statements of Income

Investment advisory and incentive fees, which are based on the amount and composition of AUM in our Funds, Institutional and Private Wealth Management accounts, represent our largest source of revenues.  In addition to the general level and trends of the stock market, growth in revenues depends on good investment performance, which influences the value of existing AUM as well as contributes to higher investment and lower redemption rates and facilitates the ability to attract additional investors while maintaining current fee levels.  Growth in AUM is also dependent on being able to access various distribution channels, which is usually based on several factors, including performance and service.  A majority of our cash inflows to mutual fund products have come through third party distribution programs, including NTF programs.  We have also been engaged to act as a sub-advisor for other much larger financial services companies with much larger sales distribution organizations.  These sub-advisory clients are subject to business combinations that may result in the termination of the relationship.  The loss of a sub-advisory relationship could have a significant impact on our financial results in the future.

Advisory fees from the open-end funds, closed-end funds and sub-advisory accounts are computed daily or weekly based on average net assets.  Advisory fees from Institutional and Private Wealth Management clients are generally computed quarterly based on account values as of the end of the preceding quarter.  These revenues are based on AUM which is highly correlated to the stock market and can vary in direct proportion to movements in the stock market and the level of sales compared with redemptions, financial market conditions and the fee structure for AUM.  Revenues derived from the equity-oriented portfolios generally have higher management fee rates than fixed income portfolios.

We also receive incentive fees from certain Institutional and Private Wealth Management clients, which are based upon meeting or exceeding a specific benchmark index or indices.  These fees are recognized at the end of the stipulated contract period, which may be quarterly or annually, for the respective account.  Management fees on assets attributable to a majority of the closed-end preferred shares are earned at year-end if the total return to common shareholders of the closed-end fund for the calendar year exceeds the dividend rate of the preferred shares.  These fees are recognized at the end of the measurement period.

Distribution fees and other income primarily include distribution fee revenue earned in accordance with Rule 12b-1 of the Company Act, as amended, along with sales charges and underwriting fees associated with the sale of the mutual funds plus other revenues.  Distribution fees fluctuate based on the level of AUM and the amount and type of mutual funds sold directly by G.distributors or through various distribution channels.

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Compensation costs include variable and fixed compensation and related expenses paid to officers, portfolio managers, sales, trading, research and all other professional staff.  Variable compensation paid to sales personnel and portfolio management generally represents 40% of revenues and is the largest component of total compensation costs.  Distribution costs include marketing, product distribution and promotion costs.  Management fee is incentive-based and entirely variable compensation in the amount of 10% of the aggregate pre-tax profits which is paid to Mr. Gabelli or his designee for acting as CEO pursuant to his 2008 Employment Agreement so long as he is an executive of GBL and devotes the substantial majority of his working time to the business.  Other operating expenses include general and administrative operating costs.

Other income and expenses includes net gains and losses from investments (which include both realized and unrealized gains and losses from trading securities), interest and dividend income, and interest expense.  Net gains and losses from investments are derived from our proprietary investment portfolio consisting of various public and private investments.

Net income (loss) attributable to noncontrolling interests represents the share of net income attributable to the minority stockholders, as reported on a separate company basis, of our consolidated majority-owned subsidiaries and net income attributable to third party limited partners of certain partnerships and offshore funds we consolidate.  Please refer to Note A in our consolidated financial statements included elsewhere in this report.

Income/(loss) on discontinued operations, net of taxes represents the results of the businesses and assets that were part of the Spin-off of AC.  Please refer to Note P in our consolidated financial statements included elsewhere in this report.

Consolidated Statements of Financial Condition

We ended the 2017 year with approximately $54.7 million in cash and investments.  The $54.7 million consists of $17.9 million cash and cash equivalents, primarily invested in our 100% U.S. Treasury Money Market Fund, $0.1 million invested in common stocks, mutual funds and closed-end funds, and available for sale (“AFS”) securities of $36.7 million.  Of the $36.7 million of AFS securities, $36.6 million represent our investment in shares of Westwood Holdings Group.

The face value of our debt consisted of $50 million of a 4% PIK Note due to AC on November 30, 2020, $15 million of a 1.6% Note due to AC on February 28, 2018 and $24.2 million of 5.875% senior notes due June 1, 2021.

Deferred compensation totaled $123.8 million as of December 31, 2017, of which $64.8 million is included as of December 31, 2017.  $36.8 million is payable on July 1, 2018, $15.5 million is payable on April 1, 2019 and $71.5 million is payable on January 1, 2020.  We will receive a tax benefit upon payment of the deferred compensation equal to Federal and State rates in effect at the time of payment.

Equity was a negative $96.3 million on December 31, 2017 compared to a negative $166.6 million on December 31, 2016.

We filed a shelf registration with the SEC in 2015 which, among other things, provides us the flexibility to sell any combination of senior and subordinate debt securities, convertible debt securities, equity securities (including common and preferred stock), and other securities up to a total amount of $500 million.  The shelf is available through April 10, 2018, at which time it may be renewed.

Our short-term focus has been to use our cash flow to pay down our existing debt.  During 2017, we repaid the $110 million 4.5% Convertible note and $50 million of the 4% AC Note.  We continue to opportunistically and strategically grow operating income.

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Assets Under Management Highlights

We reported assets under management as follows (dollars in millions):

	Year Ended December 31,										CAGR (a)
	2017		2016		2015		2014		2013			2017/2013
Equities:
Open-End	$	13,747	$	13,462	$	13,811	$	17,684	$	17,078		(5.3	)
Closed-End		8,053		7,150		6,492		6,949		6,945		3.8
Institutional & PWM direct		13,420		13,441		13,366		16,597		16,486		(5.0	)
Institutional & PWM sub-advisory		5,432		3,783		3,401		3,704		3,797		9.4
SICAV (b)		510		320		178		135		96		51.8
Total Equities		41,162		38,156		37,248		45,069		44,402		(1.9	)
Fixed Income:
Money-Market Fund		1,870		1,767		1,514		1,455		1,735		1.9
Institutional & PWM		31		31		38		58		62		(15.9	)
Total Fixed Income		1,901		1,798		1,552		1,513		1,797		1.4
Total AUM	$	43,063	$	39,954	$	38,800	$	46,582	$	46,199		(1.7	)

(a) Compound annual growth rate.

(b) Adjusted to include assets of $96 million, $135 million, $141 million, and $270 million at December 31, 2013, 2014, 2015, and 2016, respectively.

Our net cash inflows or outflows by product line were as follows (in millions):

	Year Ended December 31,
	2017			2016			2015			2014			2013
Equities:
Open-End	$	(1,347	)	$	(1,832	)	$	(3,053	)	$	(355	)	$	1,305
Closed-End (a)		(91	)		(55	)		(87	)		(137	)		(334	)
Institutional & PWM direct		(2,067	)		(1,571	)		(2,273	)		(846	)		169
Institutional & PWM sub-advisory		988			(226	)		(237	)		(250	)		(134	)
SICAV (b)		149			133			49			42			(30	)
Total Equities		(2,368	)		(3,551	)		(5,601	)		(1,546	)		976
Fixed Income:
Money-Market Fund		89			249			59			(280	)		54
Institutional & PWM		-			(7	)		(20	)		(4	)		2
Total Fixed Income		89			242			39			(284	)		56
Total Net Cash In (Out) Flows	$	(2,279	)	$	(3,309	)	$	(5,562	)	$	(1,830	)	$	1,032

(a) Our net cash inflows or outflows for Closed-End equity funds includes distributions, net of reinvestments, to fund holders of $483 million, $500 million, $461 million, $479 million, and $484 million in 2017, 2016, 2015, 2014, and 2013, respectively.

(b) Adjusted to include inflows or outflows of $125 million, $10 million, $42 million, and ($30) million in 2016, 2015, 2014, and 2013, respectively.

	Closed-End Fund flows
	Offerings, net		Distributions, net
	of repurchases		of reinvestments			Net
2017	$	392	$	(483	)	$	(91	)
2016		445		(500	)		(55	)
2015		374		(461	)		(87	)
2014		342		(479	)		(137	)
2013		150		(484	)		(334	)

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Our net appreciation and depreciation by product line were as follows (in millions):

	Year Ended December 31,
	2017		2016		2015			2014			2013
Equities
Open End	$	1,632	$	1,483	$	(820	)	$	961		$	3,271
Close End		994		713		(370	)		141			991
Institutional & PWM direct		2,046		1,646		(958	)		957			4,287
Institutional & PWM sub-advisory		661		608		(66	)		157			1,007
SICAV (a)		41		9		(6	)		(3	)		7
Total Equities		5,374		4,459		(2,220	)		2,213			9,563
Fixed Income
Money-Market Fund		14		4		-			-			-
Institutional & PWM		-		-		-			-			-
Total Fixed Income		14		4		-			-			-
Total Net Appreciation/(Depreciation)	$	5,388	$	4,463	$	(2,220	)	$	2,213		$	9,563

(a) Adjusted to include appreciation and depreciation of $4 million, ($4) million, ($3) million, and $7 million in 2016, 2015, 2014, and 2013, respectively.

AUM at December 31, 2017 were $43.1 billion, an increase of 8.6% from AUM of $39.7 billion at December 31, 2016.  Equity AUM were $41.2 billion on December 31, 2017, 7.9% above the $38.2 billion on December 31, 2016.  We earn incentive fees for certain institutional client assets, assets attributable to certain preferred issues for our closed-end funds, our GDL Fund (NYSE: GDL), the Gabelli Merger Plus⁺ Trust PLC (LSE: GMP) and the GAMCO Merger Arbitrage Fund.  As of December 31, 2017, assets with incentive based fees were $3.1 billion, 10.7% above the $2.8 billion on December 31, 2016.  The majority of these assets have calendar year-end measurement periods; therefore, our incentive fees are primarily recognized in the fourth quarter when the uncertainty is removed at the end of the annual measurement period.

Operating Results for the Year Ended December 31, 2017 as Compared to the Year Ended December 31, 2016

Revenues

Total revenues were $360.5 million in 2017, $7.5 million or 2.1% higher than the total revenues of $353.0 million in 2016.  The change in total revenues by revenue component was as follows (dollars in millions):

	Year Ended December 31,						Increase (decrease)
	2017			2016			$				%
Investment advisory		$	307.6		$	293.1		$	14.5		4.9
Incentive fees			9.1			15.4			(6.3	)	(40.9	)
Distribution fees and other income			43.8			44.5			(0.7	)	(1.6	)
Total revenues		$	360.5		$	353.0		$	7.5		2.1

Investment Advisory and Incentive Fees:Investment advisory fees, which comprised 87.9% of total revenues in 2017, are directly influenced by the level and mix of average AUM.  Average total AUM rose 8.0% to $42.0 billion in 2017 as compared to $38.9 billion in 2016.  Average equity AUM increased 8.1% to $40.2 billion in 2017 from $37.2 billion in 2016, primarily from market appreciation.  Incentive fees, which comprised 2.5% of total revenues in 2017, result from our ability to either generate an absolute return in a portfolio or meet or exceed a specific benchmark index or indices and can vary significantly from one period to another.  Incentive fees were lower in 2017 as a fewer number of portfolios exceeded their respective benchmarks as compared to 2016.

Fund revenues increased $7.5 million or 3.8%, to $206.8 million, driven by higher average AUM.  Revenue from open-end funds rose $4.0 million, or 3.1%, to $134.0 million from the prior year as average AUM in 2017 increased $1.4 billion, or 9.2%, to $16.6 billion from the $15.2 billion in 2016.  Closed-end fund revenues increased $3.4 million, or 4.9%, to $72.8 million from the prior year and was comprised of an increase of $6.3 million in investment advisory fees attributable to higher average AUM, offset by a decrease of $2.9 million in incentive fees on certain closed-end fund AUM.  Revenue from Institutional and Private Wealth Management accounts, excluding incentive fees, which are generally billed on beginning quarter AUM, increased $2.1  million, or 2.1%, principally due to higher billable AUM levels throughout the course of 2017.  There were no incentive fees earned in 2017. In 2017, average AUM in our equity Institutional and Private Wealth Management business increased $0.8 billion, or 4.8%, for the year to $17.5 billion.

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Distribution Fees and Other Income:Distribution fees and other income decreased $0.7 million, or 1.6%, to $43.8 million in 2017 from $44.5 million in 2016.  Lower distribution fees of $39.7 million in 2017 versus $41.0 million for the prior year, offset by an increase of $0.5 million in fees from the sale of load shares of mutual funds and other income.

Expenses

Compensation:  Total compensation costs, which are largely variable in nature, increased $42.9 million, or 51.9%, to $125.5 million in 2017 from $82.6 million in 2016.  Variable compensation costs, principally portfolio manager and relationship manager fees, increased $40.8 million to $97.4 million in 2017 from $56.6 million in 2016 and increased as a percent of revenues to 27.0% in 2017 from 16.0% in 2016.  This is primarily due to the accounting for the vesting of the Deferred Cash Compensation Agreements (“DCCAs”).  Absent the DCCAs, compensation expense was $133.1 million in 2017 as compared to $128.3 million in 2016.

The DCCAs granted to the CEO are required to be amortized over their respective vesting periods.  The 2016 DCCA will be amortized over four years, the First Half 2017 DCCA will be amortized over eighteen months, and the Fourth Quarter 2017 DCCA will be amortized over eighteen months.  In the third quarter 2017, there was no DCCA.  In 2016, the full amount of the compensation was deferred, and expense was recorded for the 25% vesting in that year.  In 2017, an additional 25% of the deferred compensation from 2016 was recorded as well as 67% of the First Half 2017 DCCA and 17% of the Fourth Quarter 2017 DCCA.  The effect of the DCCAs and current non deferred compensation being recorded resulted in a $38.1 million increase in compensation in 2017 compared to 2016.  Variable compensation is also driven by revenue levels which increased in 2017 from 2016.  Fixed compensation costs increased slightly to $28.1 million in 2017 from $26.0 million in 2016.

Stock based compensation:  Stock based compensation was $8.7 million in 2017, an increase of $4.7 million, as compared to $4.0 million in 2016.  The increase primarily results from the acceleration of all but 19,400 RSAs during 2017 for an additional expense of $6.8 million that would have been recognized in future years.

Management Fee:  In 2017, management fee expense increased to $13.7 million versus $6.5 million in 2016.  Management fee expense is incentive-based and entirely variable in the amount of 10% of the aggregate pre-tax profits which is paid to Mr. Gabelli (or his designee) in accordance with his employment agreement.  Most importantly, the DCCA agreements reduced the management fee by $7.8 million in 2016 while 2017 was virtually unchanged. (see page 36)

Distribution Costs:Distribution costs, which include marketing, promotion and distribution costs increased $0.2 million, or 0.5%, to $44.4 million in 2017 from $44.2 million in 2016 driven by an increase in average open-end equity mutual funds AUM of 0.4%.

Other Operating Expenses:Our other operating expenses were $23.2 million in 2017 compared to $23.9 million in 2016, a decrease of $0.7 million or 2.9%.  Lower donated securities expense of $1.7 million and legal expense of $0.7 million were slightly offset by an increase to the research services fee of $1.5 million.

Operating Income and Margin

Operating income decreased $46.8 million, or 24.4%, to $145.0 million for 2017 versus $191.8 million in the prior year period.  This decrease was primarily due to increased variable compensation expense relating to the DCCA agreements of $45.9 million.   Operating margin was 40.2% for the year ended December 31, 2017, versus 54.3% in the prior year period.  The decrease in operating margin was due primarily to higher variable compensation costs and management fee expense related to the DCCA agreements. (see page 36)

Operating income before management fee was $158.7 million for the year ended of 2017, versus $198.3 million in the prior year. Operating margin before management fee was 44.0% in the 2017 period versus 56.2% in the 2016 period.  The reconciliation of operating income before management fee and operating margin before management fee, both of which are non-GAAP measures to their respective GAAP measures, is provided at the end of this section.

Other Income and Expense

Total other income (expense), net of interest expense, was an expense of $12.1 million for the year ended December 31, 2017 compared to an expense of $9.6 million in 2016.  This is comprised of net gain from investments of $3.1 million in 2017 as compared to $1.6 million in 2016; loss on extinguishment of debt of $3.3 million in 2017; interest and dividend income of $2.4 million in 2017 versus $1.5 million in 2016; interest expense of $10.2 million in 2017 as compared to $12.7 million in 2016 and charitable contributions expense of $4.1 million in 2017.

Interest expense decreased $2.5 million to $10.2 million in 2017, from $12.7 million in 2016 primarily related to the higher average amount of debt outstanding in 2016 versus 2017.

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Income Taxes

The effective tax rate (“ETR”) was 41.4% for the year ended December 31, 2017, versus 35.7% for the year ended December 31, 2016.  The ETR for 2017 included a net $8.2 million write down for net deferred tax assets resulting from the enactment of the Tax Cuts and Jobs Act (the “Act”) in December 2017.  Absent the effects of the Act, the ETR for 2017 was 35.3%.  The ETR for 2016 benefitted by 1.4% due to the reversal of tax accruals related to the closing out of a state audit.

Shareholder Compensation and Initiatives

During 2017, we returned $16.7 million of our earnings to shareholders through dividends and stock repurchases.  We returned to shareholders a total of $0.08 per share in regular quarterly cash dividends in 2017 totaling $2.4 million.  During 2016, we returned $13.2 million of our earnings to shareholders through dividends and stock repurchases.  We returned to shareholders a total of $0.08 per share in regular quarterly cash dividends totaling $2.4 million.

Through our stock buyback program, we repurchased 484,526 and 348,687 shares in 2017 and 2016, respectively, for approximately $14.3 million and $10.8 million, or $29.56 and $30.88 per share, respectively.  Approximately 674,000 shares remain authorized under our stock buyback program at December 31, 2017.  Since our IPO we have repurchased 10,385,866 shares for a total investment of $453.1 million, or $43.63 per share.

Weighted average shares outstanding on a diluted basis in 2017 and 2016 were 30.9 million and 30.2 million, respectively.  

Operating income before management fee expense is used by management for purposes of evaluating its business operations.  We believe this measure is useful in illustrating the operating results of the Company as management fee expense is based on pre-tax income before management fee expense, which includes non-operating items including investment gains and losses from the Company’s proprietary investment portfolio and interest expense.  We believe that an investor would find this useful in analyzing the business operations of the Company without the impact of the non-operating items such as trading and investment portfolios or interest expense.

Reconciliation of non-GAAP financial measures to GAAP:

	2017			2016
Revenues	$	360,524		$	353,000
Operating Income		145,020			191,796
Add back: management fee expense		13,666			6,518
Operating income before management fee	$	158,686		$	198,314
Operating margin		40.2	%		54.3	%
Operating margin before management fee		44.0	%		56.2	%

Operating Results for the Year Ended December 31, 2016 as Compared to the Year Ended December 31, 2015

Revenues

Total revenues were $353.0 million in 2016, $28.0 million or 7.3% lower than the total revenues of $381.0 million in 2015.  The change in total revenues by revenue component was as follows (dollars in millions):

	Year Ended December 31,						Increase (decrease)
	2016			2015			$				%
Investment advisory		$	293.1		$	325.6		$	(32.5	)	(10.0	)
Incentive fees			15.4			4.4			11.0		250.0
Distribution fees and other income			44.5			51.0			(6.5	)	(12.7	)
Total revenues		$	353.0		$	381.0		$	(28.0	)	(7.3	)

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Investment Advisory and Incentive Fees:Investment advisory fees, which comprised 83.0% of total revenues in 2016, are directly influenced by the level and mix of average AUM.  Average total AUM declined 10.0% to $38.9 billion in 2016 as compared to $43.2 billion in 2015.  Average equity AUM fell 10.6% to $37.2 billion in 2016 from $41.6 billion in 2015, primarily from net outflows.  Incentive fees, which comprised 4.4% of total revenues in 2016, result from our ability to either generate an absolute return in a portfolio or meet or exceed a specific benchmark index or indices and can vary significantly from one period to another.  Incentive fees were higher in 2016 as a greater number of portfolios exceeded their respective benchmarks as compared to 2015.

Fund revenues decreased $14.9 million or 7.0%, to $199.3 million, driven by lower average AUM.  Revenue from open-end funds decreased $21.9 million, or 14.4%, to $130.0 million from the prior year as average AUM in 2016 decreased $2.2 billion, or 12.6%, to $15.2 billion from the $17.4 billion in 2014.  Closed-end fund revenues increased $7.0 million, or 11.2%, to $69.3 million from the prior year and was comprised of an increase of $7.8 million in incentive fees on certain closed-end fund AUM partially reduced by a decrease of $0.8 million in investment advisory fees attributable to lower average AUM.  Revenue from Institutional and Private Wealth Management accounts, excluding incentive fees, which are generally billed on beginning quarter AUM, decreased $11.7 million, or 10.3%, principally due to lower billable AUM levels throughout the course of 2016.  Incentive fees earned on certain accounts increased by $1.7 million.  In 2016, average AUM in our equity Institutional and Private Wealth Management business decreased $2.1 billion, or 11.1%, for the year to $16.8 billion.

Distribution Fees and Other Income:Distribution fees and other income decreased $6.5 million, or 12.7%, to $44.5 million in 2016 from $51.0 million in 2015.  Lower distribution fees of $41.0 million in 2016 versus $47.7 million for the prior year, principally as a result of decreased average AUM in our open-end equity mutual funds of 13.7%, offset by an increase of $0.2 million in fees from the sale of load shares of mutual funds and other income, contributed to this decrease.

Expenses

Compensation:  Total compensation costs, which are largely variable in nature, decreased $53.9 million, or 39.5%, to $82.6 million in 2016 from $136.5 million in 2015.  Variable compensation costs, principally portfolio manager and relationship manager fees, decreased $53.6 million to $56.6 million in 2016 from $110.2 million in 2015 and decreased as a percent of revenues to 16.0% in 2016 from 28.9% in 2015.  The principle reason was the DCCA agreements with Mr. Gabelli which reduced variable compensation by $44.6 million in 2016. (see page 36)  Variable compensation is also driven by revenue levels which decreased in 2016 from 2015. Fixed compensation costs decreased slightly to $26.0 million in 2016 from $26.3 million in 2015.

Stock based compensation:  Stock based compensation was $4.0 million in 2016, a decrease of $5.9 million, as compared to $9.9 million in 2015.  The decrease primarily results from the acceleration of 130,650 RSAs during 2015 for an additional expense of $3.5 million that would have been recognized in future years.

Management Fee:  In 2016 management fee expense decreased to $6.5 million versus $15.5 million in 2015.  Management fee expense is incentive-based and entirely variable in the amount of 10% of the aggregate pre-tax profits which is paid to Mr. Gabelli (or his designee) in accordance with his employment agreement.  Most importantly the DCCA agreements reduced the management fee by $12.4 million in 2016. (see page 36)

Distribution Costs:Distribution costs, which include marketing, promotion and distribution costs decreased $7.8 million, or 15.0%, to $44.2 million in 2016 from $52.0 million in 2015 driven by a decrease in average open-end equity mutual funds AUM of 13.7%.

Other Operating Expenses:Our other operating expenses were $23.9 million in 2016 compared to $19.2 million in 2015, an increase of $4.7 million or 24.4%.  The largest components of this increase were additional donated securities expense of $1.6 million and an increase to the research services fee of $1.5 million.

Operating Income and Margin

Operating income increased $43.9 million, or 29.7%, to $191.8 million for 2016 versus $147.9 million in the prior year period.  This increase was primarily due to higher incentive fees of $11.0 million and reduced variable compensation expense relating to the RSU agreement of $57.0 million partially offset by lower non-incentive fee revenues of $39.0 million.   Operating margin was 54.3% for the year ended December 31, 2016, versus 38.8% in the prior year period.  The increase in operating margin was due primarily to lower variable compensation costs and management fee expense related to the RSU agreement. (see page 36)

Operating income before management fee was $198.3 million for the year ended of 2016, versus $163.5 million in the prior year. Operating margin before management fee was 56.2% in the 2016 period versus 42.9% in the 2015 period.  The reconciliation of operating income before management fee and operating margin before management fee, both of which are non-GAAP measures to their respective GAAP measures, is provided at the end of this section.

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Other Income and Expense

Total other income (expense), net of interest expense, was an expense of $9.6 million for the year ended December 31, 2016 compared to an expense of $8.9 million in 2015.  This is comprised of net gain from investments of $1.6 million in 2016 as compared to $5.0 million in 2015; loss on extinguishment of debt of $1.1 million in 2015; interest and dividend income of $1.5 million in 2016 versus $2.2 million in 2015; interest expense of $12.7 million in 2016 as compared to $8.6 million in 2015 and Shareholder-designated contribution expense of $6.4 million in 2015.

Interest expense increased $4.1 million to $12.7 million in 2016, from $8.6 million in 2015 primarily related to the higher average amount of debt outstanding in 2016 versus 2015.

In 2015, the Board of Directors of GBL again adopted a Shareholder Designated Charitable Contribution program on behalf of all registered Class A and Class B shareholders.  Under the programs the Board approved a $0.25 per share contribution, resulting in a charge of $6.4 million in 2015.

Income Taxes

The effective tax rate (“ETR”) was 35.7% for the year ended December 31, 2016, versus 37.2% for the year ended December 31, 2015.  The ETR for 2016 benefitted by 1.4% due to the reversal of tax accruals related to the closing out of a state audit.

Shareholder Compensation and Initiatives

During 2016, we returned $13.2 million of our earnings to shareholders through dividends and stock repurchases.  We returned to shareholders a total of $0.08 per share in regular quarterly cash dividends in 2016 totaling $2.4 million.  During 2015, we returned $34.7 million of our earnings to shareholders through dividends and stock repurchases.  We returned to shareholders a total of $0.28 per share in regular quarterly cash dividends totaling $7.5 million.

Through our stock buyback program, we repurchased 348,687 and 426,628 shares in 2016 and 2015, respectively, for approximately $10.8 million and $27.2 million, or $30.88 and $63.85 per share, respectively (For 2015, 413,228 shares were at an average investment of $64.86 per share prior to the distribution of AC on November 30, 2015 and 13,400 shares were at an average price of $32.56 following the distribution of AC).  Approximately 233,000 shares remain authorized under our stock buyback program at December 31, 2016.  Since our IPO we have repurchased 9,901,340 shares for a total investment of $438.8 million, or $44.32 per share.

Weighted average shares outstanding on a diluted basis in 2016 and 2015 were 30.2 million and 25.7 million, respectively.  

Operating income before management fee expense is used by management for purposes of evaluating its business operations.  We believe this measure is useful in illustrating the operating results of the Company as management fee expense is based on pre-tax income before management fee expense, which includes non-operating items including investment gains and losses from the Company’s proprietary investment portfolio and interest expense.  We believe that an investor would find this useful in analyzing the business operations of the Company without the impact of the non-operating items such as trading and investment portfolios or interest expense.

Reconciliation of non-GAAP financial measures to GAAP:

	2016			2015
Revenues	$	353,000		$	380,976
Operating income		191,796			147,949
Add back: management fee expense		6,518			15,503
Operating income before management fee	$	198,314		$	163,452
Operating margin		54.3	%		38.8	%
Operating margin before management fee		56.2	%		42.9	%

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DEFERRED COMPENSATION

As previously disclosed, the Company has deferred the cash compensation of the Chief Executive Officer relating to all of 2016 (“2016 DCCA”), the first half of 2017 (“First Half 2017 DCCA”) and the fourth quarter of 2017 (“Fourth Quarter 2017 DCCA”) to provide the Company with flexibility to pay down debt.  We have made substantial progress toward this objective, having reduced our debt since the November 2015 spin-off of AC, resulting in Standard & Poor’s recent revision of its outlook to stable from negative and reaffirmation of our debt rating of BBB-.

Notwithstanding its ability to settle these agreements in stock, GAMCO currently intends to make cash payments to Mr. Gabelli on the respective vesting dates.  While the agreements did not change Mr. Gabelli’s compensation, GAAP reporting for his compensation did change due to the ratable vesting.

The DCCAs defer the Chief Executive Officer’s compensation expense by amortizing it over each DCCA’s respective vesting period.  The Chief Executive Officer is not entitled to receive the compensation until the end of the vesting period, so generally accepted accounting principles (“GAAP”) specify this treatment of the expense.  The 2016 DCCA is expensed ratably over 4 years, the First Half 2017 DCCA is expensed ratably over 18 months, and the Fourth Quarter DCCA is expensed ratably over 18 months.

Because the GAAP reporting of the DCCAs granted to the CEO tracks vesting, compensation expense and management fee expense in the year of grant is lower than compensation expense and management fee expense in future periods to the extent that future periods contain the vesting of the prior year’s DCCA compensation on top of the normal compensation for the current year period which has not been deferred.  In 2016, the full amount of the compensation was deferred, and expense was recorded for the 25% vesting in that year.  In the first six months of 2017, the ratable vesting continued for the 2016 compensation, and the new First Half 2017 DCCA grant resulted in compensation for the first six months of 2017 being deferred and expense being recorded for 33% vesting in that period.  The CEO’s third quarter compensation was not deferred so 100% of the CEO’s compensation for that period was recorded together with the ratable portions of the vestings of the 2016 DCCA and the First Half 2017 DCCA.  So there is a compounding effect in future periods when there are both current period compensation that has not been deferred and prior period compensation that is being ratably vested.

Accordingly, this vesting schedule resulted in a $38.1 million increase in compensation expense in 2017 versus 2016 as well as a $7.8 million increase in management fee expense in 2017 as compared to 2016.

The GAAP based balance sheets are also impacted; the compensation payable at December 31, 2017 only includes the vested portion of the compensation subject to the DCCAs.  At December 31, 2017, the amount of unrecognized compensation was $59.0 million.

The following tables show a reconciliation of our results for 2017 and 2016, and our balance sheet at December 31, 2017 between the GAAP basis and a non-GAAP adjusted basis as if all of the 2016 DCCA, the First Half 2017 DCCA, and the Fourth Quarter 2017 DCCA expense were recognized in 2016 and 2017, respectively, without regard to the vesting schedule.  We believe the non-GAAP financial measures below provide relevant and meaningful information to investors about our core operating results.  These measures have been established in order to increase transparency for the purpose of evaluating our core business, for comparing results with prior period results, and to enable comparisons with industry peers.  However, non-GAAP financial measures should not be considered a substitute for financial measures calculated in accordance with U.S. GAAP and may be calculated differently by other companies.  The following schedules reconcile U.S. GAAP financial measures to non-GAAP measures for the years ended December 31, 2017 and 2016 as well as at December 31, 2017.

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	Full Year Ended December 31, 2017
				Impact of			Impact of
	Reported			Fourth Quarter			First Half			Impact of
	GAAP			2017 DCCA			2017 DCCA			2016 DCCA			Non-GAAP
Revenues
Investment advisory and incentive fees	$	316,705		$	-		$	-		$	-		$	316,705
Distribution fees and other income		43,819			-			-			-			43,819
Total revenues		360,524			-			-			-			360,524
Expenses
Compensation		125,501			10,318			9,619			(12,322	)		133,116
Stock based compensation		8,669			-			-			-			8,669
Management fee		13,666			1,064			1,775			(2,887	)		13,618
Distribution costs		44,447			-			-			-			44,447
Other operating expenses		23,221			-			-			-			23,221
Total expenses		215,504			11,382			11,394			(15,209	)		223,071
Operating income		145,020			(11,382	)		(11,394	)		15,209			137,453
Other income (expense)
Net gain from investments		(185	)		-			-			-			(185	)
Interest and dividend income		2,350			-			-			-			2,350
Interest expense		(10,160	)		-			-			-			(10,160	)
Charitable contibutions		(4,137	)		-			-			-			(4,137	)
Total other expense, net		(12,132	)		-			-			-			(12,132	)
Income before income taxes		132,888			(11,382	)		(11,394	)		15,209			125,321
Income tax provision		55,079			(4,325	)		(4,442	)		5,818			52,130
Net income attributable to GAMCO Investors, Inc.'s shareholders	$	77,809		$	(7,057	)	$	(6,952	)	$	9,391		$	73,191
Net income attributable to GAMCO Investors, Inc.'s shareholders per share:
Basic	$	2.68		$	(0.24	)	$	(0.24	)	$	0.32		$	2.53
Diluted	$	2.60		$	(0.23	)	$	(0.22	)	$	0.30		$	2.45

	Full Year Ended December 31, 2016
	Reported			Impact of
	GAAP			2016 DCCA			Non-GAAP
Revenues
Investment advisory and incentive fees	$	308,459		$	-		$	308,459
Distribution fees and other income		44,541			-			44,541
Total revenues		353,000			-			353,000
Expenses
Compensation		82,613			45,734			128,347
Stock based compensation		3,959			-			3,959
Management fee		6,518			7,782			14,300
Distribution costs		44,189			-			44,189
Other operating expenses		23,925			-			23,925
Total expenses		161,204			53,516			214,720
Operating income		191,796			(53,516	)		138,280
Other income (expense)		-
Net gain from investments		1,594			-			1,594
Interest and dividend income		1,511			-			1,511
Interest expense		(12,674	)		-			(12,674	)
Total other expense, net		(9,569	)		-			(9,569	)
Income before income taxes		182,227			(53,516	)		128,711
Income tax provision		65,106			(20,069	)		45,037
Net income attributable to GAMCO Investors, Inc.'s shareholders	$	117,121		$	(33,447	)	$	83,674
Net income attributable to GAMCO Investors, Inc.'s shareholders per share:
Basic	$	4.01		$	(1.15	)	$	2.87
Diluted	$	3.92		$	(1.11	)	$	2.81

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	December 31, 2017
				Impact of			Impact of
	Reported			Fourth Quarter			First Half			Impact of
	GAAP			2017 DCCA			2017 DCCA			2016 DCCA			Non-GAAP
ASSETS
Cash and cash equivalents	$	17,821		$	-		$	-		$	-		$	17,821
Investments in securities		36,790			-			-			-			36,790
Receivable from brokers		1,578			-			-			-			1,578
Investment advisory fees receivable		38,712			-			-			-			38,712
Receivable from affiliates		6,908			-			-			-			6,908
Income tax receivable		15,615			2,917			2,892			8,064			29,488
Other assets		10,862			-			-			-			10,862
Total assets	$	128,286		$	2,917		$	2,892		$	8,064		$	142,159
LIABILITIES AND EQUITY
Payable to brokers		14,926			-			-			-			14,926
Income taxes payable and deferred tax liabilities		3,128			-			-			-			3,128
Capital lease obligation		4,943			-			-			-			4,943
Compensation payable		82,907			12,414			12,307			34,315			141,943
Payable to affiliates		855			-			-			-			855
Accrued expenses and other liabilities		28,656			-			-			-			28,656
Sub-total		135,415			12,414			12,307			34,315			194,451
AC 4% PIK Note (due November 30, 2020)		50,000			-			-			-			50,000
5.875% Senior notes (due June 1, 2021)		24,144			-			-			-			24,144
AC 1.6% Note Payable (due February 28, 2018)		15,000			-			-			-			15,000
Total liabilities		224,559			12,414			12,307			34,315			283,595
Equity
GAMCO Investors, Inc. stockholders' equity
Class A Common Stock		14			-			-			-			14
Class B Common Stock		19			-			-			-			19
Additional paid-in capital		12,572			-			-			-			12,572
Retained earnings (deficit)		155,939			(9,497	)		(9,415	)		(26,251	)		110,776
Accumulated other comprehensive income		11,876			-			-			-			11,876
Treasury stock, at cost		(276,693	)		-			-			-			(276,693	)
Total GAMCO Investors, Inc. stockholders' equity (deficit)		(96,273	)		(9,497	)		(9,415	)		(26,251	)		(141,436	)
Total liabilities and equity (deficit)	$	128,286		$	2,917		$	2,892		$	8,064		$	142,159

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Liquidity and Capital Resources

Our principal assets are highly liquid in nature and consist of cash and cash equivalents, short-term investments and securities held for investment purposes.  Cash and cash equivalents are comprised primarily of 100% U.S. Treasury money market funds managed by GAMCO.  Although investments in partnerships and offshore funds are subject to restrictions as to the timing of distributions, the underlying investments of such partnerships or funds are, for the most part, liquid, and the valuations of these products reflect that underlying liquidity.

Summary cash flow data derived from our audited consolidated statements of cash flows are as follows:

	Year Ended December 31,
	2017			2016			2015
	(in thousands)
Cash flows provided by (used in) from continuing operations:
Operating activities	$	126,691		$	115,737		$	117,130
Investing activities		237			(1,435	)		(6,198	)
Financing activities		(148,902	)		(88,247	)		(109,923	)
Increase (decrease) in cash and cash equivalents from continuing operations		(21,974	)		26,055			1,009
Cash flows from discontinued operations
Operating activities		-			-			54,335
Investing activities		-			-			(41,463	)
Financing activities		-			-			(12,871	)
Increase in cash and cash equivalents from discontinued operations		-			-			1
Effect of exchange rates on cash and cash equivalents		(17	)		38			15
Net increase (decrease) in cash and cash equivalents		(21,991	)		26,093			1,025
Cash and cash equivalents at beginning of year		39,812			13,719			12,694
Cash and cash equivalents at end of year	$	17,821		$	39,812		$	13,719

Cash and liquidity requirements have historically been met through cash generated by operating income and our borrowing capacity.  We filed a shelf registration with the SEC in 2015 which, among other things, provides us opportunistic flexibility to sell any combination of senior and subordinate debt securities, convertible debt securities, equity securities (including common and preferred stock), and other securities up to a total amount of $500 million.  The shelf is available through April 2018, at which time it may be renewed.

At December 31, 2017, we had cash and cash equivalents of $17.8 million, a decrease of $22.0 million from the prior year-end primarily due to the Company’s financing activities described below.  Total face value debt outstanding at December 31, 2017 was $89.1 million, consisting of $50 million of a 4% PIK Note due November 30, 2020, $15 million of a 1.6% note due February 28, 2018 and $24.1 million of 5.875% senior notes due 2021.  It is anticipated that the majority of our cash flow will go towards servicing our debt and deferred compensation payable for the next few years.

Cash provided by operating activities was $126.7 million in 2017 and $115.7 million in 2016.  Our largest source of cash comes from net earnings as adjusted for non-cash expenses.  In 2017, this totaled $77.8 million versus $117.1 million in 2016.  Other sources of cash included an increase in compensation payable of $22.5 million, an increase of $5.7 million in payable to affiliates, a decrease in investment advisory fees receivable of $17.7 million, an increase in stock based compensation expense of $4.7 million, and $5.9 million from other changes in net assets and liabilities.  Cash uses included a decrease in income taxes payable of $3.5 million, a decrease in receivable from brokers of $1.8 million, and a decrease of $0.9 million of accrued expenses and other liabilities.  In 2016, cash was provided by net income of $117.1 million.

Net cash provided by investing activities of $0.2 million in 2017 is due to $4.1 million in proceeds from sales of available for sale securities less purchases of available for sale securities of $3.9 million. Net cash used in investing activities of $1.4 million in 2016 is due to purchases of available for sale securities of $1.8 million less $0.4 million in proceeds from sales of available for sale securities.  

Net cash used in financing activities of $164.7 million in 2017 principally resulted from the $113.3 million repayment of the 4.5% Convertible note due August 15, 2021, the $50 million in prepayments of our AC 4% PIK Note due November 30, 2020, $14.3 million of repurchases of our Class A Stock under the Stock Repurchase Program, and $2.3 million in dividends paid offset slightly by the issuance of the $15 million 1.6% note due February 28, 2018. Net cash used in financing activities of $88.2 million in 2016 principally resulted from $150 million in repayments of our AC 4% PIK Note due November 30, 2020, $35 million repayment of the loan from GGCP, $10.8 million of repurchases of our Class A Stock under the Stock Repurchase Program, and $2.3 million in dividends paid offset by the issuance of the 4.5% Convertible Note due August 15, 2021 of $109.8 million.

39

Under the terms of the lease of our Rye, New York office, we are obligated to make minimum total payments of $11.9 million through December 2028.

On November 25, 2015, Moody’s Investors Services downgraded the Company to Ba1 from Baa3.  We continue to maintain an investment grade rating of BBB- with Standard and Poor’s Ratings Services.  We believe that our ability to maintain our investment grade rating will provide greater access to the capital markets, enhance liquidity and lower overall borrowing costs.

G.distributors is registered with the SEC as a broker-dealer and is regulated by FINRA.  As such, it is subject to the minimum net capital requirements promulgated by the SEC.  G.distributors’ net capital exceeded these minimum requirements at December 31, 2017.  G.distributors computes its net capital under the alternative method permitted by the SEC, which requires minimum net capital of the greater of $250,000 or 2% of the aggregate debit items in the reserve formula for those broker-dealers subject to Rule 15c3-3 promulgated under the Securities Exchange Act of 1934.  At December 31, 2017 and 2016, G.distributors had net capital, as defined, of approximately $2.0 million and $2.8 million, respectively, exceeding the regulatory requirement by approximately $1.8 million and $2.6 million, respectively.  Net capital requirements for our affiliated broker-dealer may increase in accordance with rules and regulations to the extent they engage in other business activities.

Our subsidiary, GAMCO Asset Management (UK) Limited is authorized and regulated by the FCA.  In February 2011, GAMCO Asset Management (UK) Limited increased its permitted license with the FCA’s predecessor, the Financial Services Authority (“FSA”) and has held Total Capital of £632,000 and £580,000 ($853,000 and $713,000 at December 31, 2017 and 2016, respectively) and had a Financial Resources Requirement of £216,000 and £265,000 ($291,000 and $326,000 at December 31, 2017 and 2016, respectively).  We have consistently met or exceeded these minimum requirements.

The Tax Cuts and Jobs Act (the “Act”) enacted in December 2017 contains provisions that affect the deductibility of named executive officer (“NEO”) compensation.  Specifically, the Act eliminates the performance based compensation exception for NEO compensation deductibility.  To the extent that some of the compensation of our NEOs is affected by this change, we would have a lower amount of deductible compensation in future years and a higher effective tax rate than we would have had without this potential loss of deductibility.  We continue to evaluate the impact of the Act’s provisions, regarding NEO compensation and otherwise, and whether and if so, by how much, the Act’s provisions will impact us.

Market Risk

Our primary market risk exposure is to changes in equity prices and interest rates.  Since approximately 95% of our AUM are equities, our financial results are subject to equity-market risk as revenues from our investment management services are sensitive to stock market dynamics.  In addition, returns from our proprietary investment portfolio are exposed to interest rate and equity market risk.

The Company’s Chief Investment Officer oversees the proprietary investment portfolios and allocations of proprietary capital among the various strategies.  The Chief Investment Officer and the Board of Directors review the proprietary investment portfolios throughout the year.  Additionally, the Company monitors its proprietary investment portfolios to ensure that they are in compliance with the Company’s guidelines.

Equity Price Risk

The Company earns substantially all of its revenue as advisory and distribution fees from our affiliated open-end and closed-end funds, Institutional and Private Wealth Management, and Investment Partnership assets.  Such fees represent a percentage of AUM, and the majority of these assets are in equity investments.  Accordingly, since revenues are proportionate to the value of those investments, a substantial increase or decrease in equity markets overall will have a corresponding effect on the Company's revenues.

With respect to our proprietary investment activities, included in investments in securities of $36.8 million and $37.3 million at December 31, 2017 and 2016, respectively, were investments in common stocks totaling $36.7 million and $37.2 million, respectively, and closed-end funds of $0.1 million and $0.1 million, respectively.  Of the $36.7 million and $37.2 million, invested in common stocks at December 31, 2017 and 2016, respectively, $36.6 million and $37.1 million, respectively, was related to our investment in Westwood Holdings Group Inc. (NYSE: WHG).  Securities sold, not yet purchased are financial instruments purchased under agreements to resell and financial instruments sold under agreement to repurchase.  These financial instruments are stated at fair value and are subject to market risks resulting from changes in price and volatility.  At December 31, 2017 and 2016, there were no securities sold, not yet purchased.

40

The following table provides a sensitivity analysis for our investments in equity securities as of December 31, 2017.  The sensitivity analysis assumes a 10% increase or decrease in the value of these investments (in thousands):

				Fair Value			Fair Value
				assuming			assuming
				10% decrease in			10% increase in
	Fair Value			equity prices			equity prices
At December 31, 2017
Equity price sensitive investments, at fair value		$	36,790		$	33,111		$	40,470
At December 31, 2016
Equity price sensitive investments, at fair value		$	37,285		$	33,557		$	41,014

Investment advisory fees for mutual funds and sub-advisory relationships are based on average daily or weekly asset values.  Advisory fees earned on Institutional and Private Wealth Management assets, for any given quarter, are generally determined based on asset values at the beginning of a quarter with any significant increases or decreases in market value of assets managed which occur during a quarter resulting in a relative increase or decrease in revenues for the following quarter.

Interest Rate Risk

Our exposure to interest rate risk results, principally, from our investment of excess cash in a money market fund that holds U.S. Government securities.  These investments are primarily short term in nature, and the carrying value of these investments generally approximates fair value.  Based on December 31, 2017, cash and cash equivalent balance of $17.8 million a 1% increase in interest rates would increase our interest income by $0.2 million annually while a 1% decrease would reduce our interest income by $0.2 million annually.

Contractual Obligations

We are obligated to make future payments under various contracts such as debt agreements and capital and operating lease agreements.  The following table sets forth our significant contractual cash obligations as of December 31, 2017 (in thousands):

	Total		2018		2019		2020		2021		2022		Thereafter
Contractual Obligations:
5.875% Senior notes	$	24,225	$	-	$	-	$	-	$	24,225	$	-	$	-
Interest on 5.875% Senior notes		4,862		1,423		1,423		1,423		593		-		-
AC 4% PIK Note		50,000		-		-		50,000		-		-		-
Interest on AC 4% PIK Note		5,833		2,000		2,000		1,833		-		-		-
AC 1.6% Note		15,000		15,000		-		-		-		-		-
Interest on 1.6% Note		44		44		-		-		-		-		-
Capital lease obligations		12,030		1,230		1,080		1,080		1,080		1,080		6,480
Non-cancelable operating lease obligations		1,385		808		479		47		47		4		-
Total	$	113,379	$	20,505	$	4,982	$	54,383	$	25,945	$	1,084	$	6,480

The AC 4% PIK Note interest may be paid in kind with additional notes on the same terms as the original note at the Company’s option.  See Note F Debt for additional details.

The capital lease contains an escalation clause tied to the change in the New York Metropolitan Area Consumer Price Index which may cause the future minimum payments to exceed $1,080,000 annually.  Any increases to the base rental will be accounted for prospectively. 

Off-Balance Sheet Arrangements

We do not invest in any other off-balance sheet vehicles that provide financing, liquidity, market or credit risk support or engage in any leasing activities that expose us to any liability that is not reflected on the Consolidated Financial Statements.

41

Critical Accounting Policies

In the ordinary course of business, we make a number of estimates and assumptions relating to the reporting of results of operations and financial condition in the preparation of our financial statements in conformity with U.S. generally accepted accounting principles. We base our estimates on historical experience, when available, and on other various assumptions that are believed to be reasonable under the circumstances. Actual results could differ significantly from those estimates under different assumptions and conditions.

We believe the critical assumptions and estimates are those applied to revenue recognition, the accounting for and valuation of investments in securities, income taxes, and stock based compensation accounting.

Major Revenue-Generating Services and Revenue Recognition

The Company’s revenues are derived primarily from investment advisory and incentive fees, institutional research services and distribution fees.

Investment advisory and incentive fees are directly influenced by the level and mix of AUM as fees are derived from a contractually-determined percentage of AUM for each account as well as incentive fees earned on certain accounts.  Advisory fees from the open-end funds, closed-end funds and sub-advisory accounts are computed daily or weekly based on average net assets and amounts receivable are included in investment advisory fees receivable on the consolidated statements of financial condition.  Advisory fees from Institutional and Private Wealth Management accounts are generally computed quarterly based on account values as of the end of the preceding quarter, and amounts receivable are included in investment advisory fees receivable on the consolidated statements of financial condition.  The Company derived approximately 88%, 87% and 87% of its total revenues from advisory and management fees, including incentive fees, for the periods ended December 31, 2017, 2016 and 2015, respectively.  These revenues vary depending upon the level of sales compared with redemptions, financial market conditions, performance and the fee structure for AUM.  Revenues derived from the equity-oriented portfolios generally have higher management fee rates than fixed income portfolios.

The Company earns incentive fees from certain Institutional and Private Wealth Management accounts, which are based upon meeting or exceeding a specific benchmark index or indices.  Incentive fees refer to fees earned when the return generated for the client exceeds the benchmark and can be earned even if the return to the client is negative as long as the return exceeds the benchmark.  These fees are recognized, for each respective account, at the end of the stipulated contract period which is either quarterly or annually and varies by account.  Receivables due for incentive fees earned are included in investment advisory fees receivable on the consolidated statements of financial condition.  There were no incentive fees receivable as of December 31, 2017.  There were $2.4 million in incentive fees receivable as of December 31, 2016.

For The GDL Fund, there is an incentive fee earned as of the end of the calendar year and varies to the extent the total return of the fund is in excess of the 90 day T-Bill Index total return.  This fee is recognized at the end of the measurement period, which is annually on a calendar year basis.  Receivables due on incentive fees relating to The GDL Fund are included in investment advisory fees receivable on the consolidated statements of financial condition and were $1.4 million and $4.2 million as of December 31, 2017 and 2016, respectively.

For the Gabelli Merger Plus⁺ Trust PLC, there is an incentive fee which is earned and recognized at the end of the measurement period, June 30^th and varies to the extent the total return of the fund is in excess of twice the rate of return of the 13 week Treasury Bills over the performance period.  There was no performance fee receivable as of December 31, 2017.

Management fees on a majority of the closed-end preferred shares are earned at year-end if the total return to common shareholders of the closed-end fund for the calendar year exceeds the dividend rate of the preferred shares.  These fees are recognized at the end of the measurement period, which is annually.  Receivables due for management fees on closed-end preferred shares are included in investment advisory fees receivable on the consolidated statements of financial condition.  There were $7.1 million and $7.3 million in management fees receivable on closed-end preferred shares as of December 31, 2017, and 2016, respectively.

Distribution fees revenues are derived primarily from the distribution of Gabelli, GAMCO, Comstock, Teton and Teton-Keeley open-end funds (“Funds”) advised by a subsidiary of GBL, Funds Advisor and a subsidiary of GGCP, Teton.  G.distributors distributes these open-end Funds pursuant to distribution agreements with each Fund.  Under each distribution agreement with an open-end Fund, G.distributors offers and sells such open-end Fund shares on a continuous basis and pays all of the costs of marketing and selling the shares, including printing and mailing prospectuses and sales literature, advertising and maintaining sales and customer service personnel and sales and services fulfillment systems, and payments to the sponsors of third party distribution programs, financial intermediaries and G.distributors’ sales personnel.  G.distributors receives fees for such services pursuant to distribution plans adopted under provisions of Rule 12b-1 of the Company Act.  G.distributors is the principal underwriter for funds distributed in multiple classes of shares which carry front-end or back-end sales charge or no-load to certain investors.

42

Under the distribution plans, the open-end Class AAA shares of the Funds (except The Gabelli U.S. Treasury Money Market Fund, Gabelli Capital Asset Fund and The Gabelli ABC Fund), the Class A shares and the Class T shares of certain Funds pay G.distributors a distribution or service fee of .25% per year (except the Class A shares of the TETON Westwood Funds which pay .50% per year, except for the TETON Westwood Intermediate Bond Fund which pays .35%, and the Class A shares of the Gabelli Enterprise Mergers and Acquisitions Fund which pay .45% per year) on the average daily net assets of the fund.  Class B and Class C shares have a 12b-1 distribution plan with a service and distribution fee totaling 1%.

Distribution fees from the open-end funds are computed daily based on average net assets.  The amounts receivable for distribution fees are included in receivables from affiliates on the consolidated statements of financial condition.

Finally, GBL also has investment gains or losses generated from its proprietary trading activities which are included in net gain/(loss) from investments on the consolidated statements of income.

Investments in Securities

Investments in securities are accounted for as either “trading securities” or “available for sale” and are stated at fair value.  Management determines the appropriate classification of debt and equity securities at the time of purchase and reevaluates such designations as of each balance sheet date.  U.S. Treasury Bills and Notes with maturities of greater than three months at the time of purchase are considered investments in securities.  Securities that are not readily marketable are stated at their estimated fair values in accordance with GAAP.  A substantial portion of investments in securities are held for resale in anticipation of short-term market movements and therefore are classified as trading securities.  Trading securities are stated at fair value, with any unrealized gains or losses reported in current period earnings in net gain/(loss) from investments on the consolidated statements of income.  AFS investments are stated at fair value, with any unrealized gains or losses, net of taxes, reported as a component of other comprehensive income except for losses deemed to be other than temporary which are recorded as realized losses on the consolidated statements of income.  Securities transactions and any related gains and losses are recorded on a trade date basis.  Realized gains and losses from securities transactions are recorded on the specific identified cost basis and are included in net gain/(loss) from investments on the consolidated statements of income.

AFS securities are evaluated for other than temporary impairment each reporting period and any impairment charges are recorded in net gain/(loss) from investments on the consolidated statements of income.  Management reviews all available for sale securities whose cost exceeds their fair value to determine if the impairment is other than temporary.  Management uses qualitative factors such as diversification of the investment, the intent to hold the investment, the amount of time that the investment has been impaired and the severity of the decline in determining whether the impairment is other than temporary.

Securities sold, but not yet purchased are recorded on the trade date, and are stated at fair value and represent obligations of GBL to purchase the securities at prevailing market prices.  Therefore, the future satisfaction of such obligations may be for an amount greater or less than the amounts recorded on the consolidated statements of financial condition.  The ultimate gains or losses recognized are dependent upon the prices at which these securities are purchased to settle the obligations under the sales commitments.  Realized gains and losses from covers of securities sold, not yet purchased transactions are included in net gain/(loss) from investments on the consolidated statements of income.  Securities sold, not yet purchased are stated at fair value, with any unrealized gains or losses reported in current period earnings in net gain/(loss) from investments on the consolidated statements of income.

Income Taxes

Deferred tax assets and liabilities are recorded for temporary differences between the tax basis of assets and liabilities and the reported amounts on the consolidated financial statements using the statutory tax rates in effect for the year when the reported amount of the asset or liability is recovered or settled, respectively.  The effect on deferred tax assets and liabilities of a change in tax rates is recognized in the results of operations in the period that includes the enactment date.  As a result of the enactment of the Tax Cuts and Jobs Act in December 2017, the Company recorded an increase in expense of $8.2 million reflecting the net write-down to its deferred tax assets and deferred tax liabilities.  In accordance with SEC SAB 118, this revaluation could have been provisional but the Company had the requisite information to complete the evaluation and finalize the December 22, 2017 adjustment.  A valuation allowance is recorded to reduce the carrying values of deferred tax assets to the amount that is more likely than not to be realized.  For each tax position taken or expected to be taken in a tax return, the Company determines whether it is more likely than not that the position will be sustained upon examination based on the technical merits of the position, including resolution of any related appeals or litigation.  A tax position that meets the more likely than not recognition threshold is measured to determine the amount of benefit to recognize.  The tax position is measured at the largest amount of benefit that is greater than 50% likely of being realized upon settlement.  The Company recognizes the accrual of interest on uncertain tax positions and penalties in income tax provision on the consolidated statements of income.

43

Stock Based Compensation

The Company has granted RSAs and stock options to staff members which were recommended by the Company’s Chairman, who did not receive an RSA or option award, and approved by the Compensation Committee of the Company’s Board of Directors.  We use a fair value based method of accounting for stock-based compensation provided to our employees.  The estimated fair value of RSAs is determined by using the closing price of our Class A Stock on the day prior to the grant date.  The total expense, which is reduced by estimated forfeitures, is recognized over the vesting period for these awards which is either (1) 30% over three years from the date of grant and 70% over five years from the date of grant or (2) 30% over three years from the date of grant and 10% each year over years four through ten from the date of grant.  The forfeiture rate is determined by reviewing historical forfeiture rates for previous stock-based compensation grants and is reviewed and updated quarterly, if necessary.  During the vesting period, dividends to RSA holders are held for them until the RSA vesting dates and are forfeited if the grantee is no longer employed by the Company on the vesting dates.  Dividends declared on these RSAs, less estimated forfeitures, are charged to retained earnings on the declaration date.

The estimated fair value of option awards is determined using the Black Scholes option-pricing model.  This sophisticated model utilizes a number of assumptions in arriving at its results, including the estimated life of the option, the risk free interest rate at the date of grant and the volatility of the underlying common stock.  There may be other factors, which have not been considered, which may have an effect on the value of the options as well.  The effects of changing any of the assumptions or factors employed by the Black Scholes model may result in a significantly different valuation for the options.  The total expense, which is reduced by estimated forfeitures, is recognized over the vesting period for these awards which is 75% over three years from the date of grant and 25% after four years from date of grant.  The forfeiture rate is determined by reviewing historical forfeiture rates for previous stock-based compensation grants and is reviewed and updated quarterly, if necessary.

In connection with the spin-off of AC, the unvested RSA expense relating to the existing GBL RSAs at November 30, 2015 was split between GBL and AC based on the allocation of time of the underlying employees who held the RSAs.

The Company has entered into three deferred compensation agreements with Mr. Gabelli whereby his variable compensation for 2016, the first half of 2017 and the fourth quarter of 2017 was in the form of Restricted Stock Units (“RSUs”) determined by the volume-weighted average price (“VWAP”) of the Company’s Class A Stock during those respective periods.  The 2016 DCCA will vest 100% on January 1, 2020, the First Half 2017 DCCA will vest 100% on July 1, 2018, and the Fourth Quarter 2017 DCCA will vest 100% on April 1, 2019.  The Company intends to settle the awards in cash at vesting; however, the Company reserves the right to issue shares of the Company’s Class A Stock in lieu of such cash payment.  Under the terms of the agreement the Company will pay Mr. Gabelli an amount equal to the number of RSUs valued at the lesser of the VWAP of the Company’s Class A Stock for the applicable period or the value on the lapse date or, if not a trading day, then the first trading date thereafter.

Under GAAP, for the 2016 DCCA only 25% of this deferred compensation expense is being recognized in 2016 with the remainder amortized ratably over 2017, 2018, and 2019.  Similarly, under GAAP, for the First Half 2017 DCCA 67% of the expense is recognized in 2017 with the remaining 33% expensed in 2018.  For the Fourth Quarter 2017 DCCA 17% of the expense is recognized in 2017, 66% in 2018 and the remaining 17% in 2019.  Notwithstanding its ability to settle the award in stock, given the Company’s intent to settle it in cash, in accordance with GAAP (ASC 718), the awards are accounted for as liability-classified awards and not as equity-classified awards.  The liability is remeasured at fair value on each reporting period from December 31, 2016 until the vesting date.  However, given the cap on the obligation in that Mr. Gabelli will not receive cash in excess of the VWAP of the Company’s Class A Stock for each respective period, the remeasurement of the liability at fair value will never exceed its value determined using each period’s respective VWAP price.

Recent Accounting Developments

See Footnote A. Significant Accounting Policies – Recent Accounting Developments.

Seasonality and Inflation

We do not believe our operations are subject to significant seasonal fluctuations.  We do not believe inflation will significantly affect our compensation costs, as they are substantially variable in nature.  However, the rate of inflation may affect our expenses such as information technology and occupancy costs.  To the extent inflation results in rising interest rates and has other effects upon the securities markets, it may adversely affect our financial position and results of operations by reducing our AUM, revenues or otherwise.

44

ITEM 7A:QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK

Reference is made to the information contained under the heading “Management's Discussion and Analysis of Financial Condition and Results of Operations -- Market Risk.”

ITEM 8:FINANCIAL STATEMENTS AND SUPPLEMENTARY DATA

GAMCO INVESTORS, INC. AND SUBSIDIARIES

INDEX TO CONSOLIDATED FINANCIAL STATEMENTS

	Page
Report of Independent Registered Public Accounting Firm	46
Report of Independent Registered Public Accounting Firm on Effectiveness of Internal Control over Financial Reporting	47
Consolidated Financial Statements:
Consolidated Statements of Income for the years ended December 31, 2017, 2016 and 2015	48
Consolidated Statements of Comprehensive Income for the years ended December 31, 2017, 2016 and 2015	49
Consolidated Statements of Financial Condition at December 31, 2017 and 2016	50
Consolidated Statements of Equity for the years ended December 31, 2017, 2016 and 2015	51
Consolidated Statements of Cash Flows for the years ended December 31, 2017, 2016 and 2015	54
Notes to Consolidated Financial Statements	56

All schedules for which provision is made in the applicable accounting regulations of the Securities and Exchange Commission that are not required under the related instructions or are inapplicable have been omitted.

45

REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

To the Board of Directors and Stockholders of

GAMCO Investors, Inc.

Rye, New York

Opinion on the Financial Statements

We have audited the accompanying consolidated statements of financial condition of GAMCO Investors, Inc. and subsidiaries (the "Company") as of December 31, 2017 and 2016, the related consolidated statements of income, comprehensive income, equity, and cash flows for each of the three years in the period ended December 31, 2017, and the related notes and the schedule listed in the Index as Exhibit 99.1 (collectively referred to as the “financial statements”).  In our opinion, the financial statements present fairly, in all material respects, the financial position of the Company as of December 31, 2017 and 2016, and the results of its operations and its cash flows for each of the three years in the period ended December 31, 2017, in conformity with accounting principles generally accepted in the United States of America.

We have also audited, in accordance with the standards of the Public Company Accounting Oversight Board (United States) (PCAOB), the Company's internal control over financial reporting as of December 31, 2017, based on the criteria established in Internal Control — Integrated Framework (2013) issued by the Committee of Sponsoring Organizations of the Treadway Commission and our report dated March 8, 2018, expressed an unqualified opinion on the Company's internal control over financial reporting.

Basis for Opinion

These financial statements are the responsibility of the Company's management. Our responsibility is to express an opinion on the Company's financial statements based on our audits. We are a public accounting firm registered with the PCAOB and are required to be independent with respect to the Company in accordance with the U.S. federal securities laws and the applicable rules and regulations of the Securities and Exchange Commission and the PCAOB.

We conducted our audits in accordance with the standards of the PCAOB. Those standards require that we plan and perform the audit to obtain reasonable assurance about whether the financial statements are free of material misstatement, whether due to error or fraud. Our audits included performing procedures to assess the risks of material misstatement of the financial statements, whether due to error or fraud, and performing procedures that respond to those risks. Such procedures included examining, on a test basis, evidence regarding the amounts and disclosures in the financial statements. Our audits also included evaluating the accounting principles used and significant estimates made by management, as well as evaluating the overall presentation of the financial statements. We believe that our audits provide a reasonable basis for our opinion.

/s/ Deloitte & Touche LLP

New York, New York

March 8, 2018

We have served as the Company’s auditor since 2009.

46

REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

To the Board of Directors and Stockholders of

GAMCO Investors, Inc.

Rye, New York

Opinion on Internal Control over Financial Reporting

We have audited the internal control over financial reporting of GAMCO Investors, Inc. and subsidiaries (the "Company") as of December 31, 2017, based on criteria established in Internal Control — Integrated Framework (2013) issued by the Committee of Sponsoring Organizations of the Treadway Commission (COSO). In our opinion, the Company maintained, in all material respects, effective internal control over financial reporting as of December 31, 2017, based on criteria established in Internal Control – Integrated Framework (2013) issued by COSO.

We have also audited, in accordance with the standards of the Public Company Accounting Oversight Board (United States) (PCAOB), the consolidated financial statements as of and for the year ended December 31, 2017 of the Company and our report dated March 8, 2018, expressed an unqualified opinion on those financial statements.

Basis for Opinion

The Company's management is responsible for maintaining effective internal control over financial reporting and for its assessment of the effectiveness of internal control over financial reporting, included in the accompanying Management’s Report on Internal Control Over Financial Reporting.  Our responsibility is to express an opinion on the Company's internal control over financial reporting based on our audit.We are a public accounting firm registered with the PCAOB and are required to be independent with respect to the Company in accordance with the U.S. federal securities laws and the applicable rules and regulations of the Securities and Exchange Commission and the PCAOB.

We conducted our audit in accordance with the standards of the PCAOB.  Those standards require that we plan and perform the audit to obtain reasonable assurance about whether effective internal control over financial reporting was maintained in all material respects.  Our audit included obtaining an understanding of internal control over financial reporting, assessing the risk that a material weakness exists, testing and evaluating the design and operating effectiveness of internal control based on the assessed risk, and performing such other procedures as we considered necessary in the circumstances. We believe that our audit provides a reasonable basis for our opinion.

Definition and Limitations of Internal Control over Financial Reporting

A company's internal control over financial reporting is a process designed to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles.  A company's internal control over financial reporting includes those policies and procedures that (1) pertain to the maintenance of records that, in reasonable detail, accurately and fairly reflect the transactions and dispositions of the assets of the company; (2) provide reasonable assurance that transactions are recorded as necessary to permit preparation of financial statements in accordance with generally accepted accounting principles, and that receipts and expenditures of the company are being made only in accordance with authorizations of management and directors of the company; and (3) provide reasonable assurance regarding prevention or timely detection of unauthorized acquisition, use, or disposition of the company's assets that could have a material effect on the financial statements.

Because of its inherent limitations, internal control over financial reporting may not prevent or detect misstatements. Also, projections of any evaluation of effectiveness to future periods are subject to the risk that controls may become inadequate because of changes in conditions, or that the degree of compliance with the policies or procedures may deteriorate.

/s/ Deloitte & Touche LLP

New York, New York

March 8, 2018

GAMCO INVESTORS, INC. AND SUBSIDIARIES

CONSOLIDATED STATEMENTS OF INCOME

(In thousands, except per share data)

	Year Ended December 31,
	2017			2016			2015
Revenues
Investment advisory and incentive fees	$	316,705		$	308,459		$	329,965
Distribution fees and other income		43,819			44,541			51,011
Total revenues		360,524			353,000			380,976
Expenses
Compensation		125,501			82,613			136,503
Stock based compensation		8,669			3,959			9,868
Management fee		13,666			6,518			15,503
Distribution costs		44,447			44,189			51,990
Other operating expenses		23,221			23,925			19,163
Total expenses		215,504			161,204			233,027
Operating income		145,020			191,796			147,949
Other income (expense)
Net gain from investments		3,115			1,594			4,953
Extinguishment of debt		(3,300	)		0			(1,067	)
Interest and dividend income		2,350			1,511			2,222
Interest expense		(10,160	)		(12,674	)		(8,636	)
Charitable contributions		(4,137	)		-			(6,396	)
Total other income (expense), net		(12,132	)		(9,569	)		(8,924	)
Income before income taxes		132,888			182,227			139,025
Income tax provision		55,079			65,106			51,726
Income from continuing operations		77,809			117,121			87,299
Loss from discontinued operations, net of taxes		-			0			(3,887	)
Net income attributable to GAMCO Investors, Inc.'s shareholders	$	77,809		$	117,121		$	83,412
Net income per share attributable to GAMCO Investors, Inc.'s shareholders:
Basic - Continuing operations	$	2.68		$	4.01		$	3.43
Basic - Discontinued operations		-			-			(0.15	)
Basic - Total	$	2.68		$	4.01		$	3.28
Diluted - Continuing operations	$	2.60		$	3.92		$	3.40
Diluted - Discontinued operations		-			-			(0.15	)
Diluted - Total	$	2.60		$	3.92		$	3.24
Weighted average shares outstanding:
Basic		28,980			29,182			25,425
Diluted		30,947			30,170			25,711
Actual shares outstanding		28,974			29,463			29,821

See accompanying notes.

48

GAMCO INVESTORS, INC. AND SUBSIDIARIES

CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME

(In thousands, except per share data)

	Year Ended December 31,
	2017		2016			2015
Net income attributable to GAMCO Investors, Inc.'s shareholders	$	77,809	$	117,121		$	83,412
Other comprehensive income/(loss), net of tax:
Foreign currency translation		82		(164	)		(46	)
Net unrealized gains/(losses) on securities available for sale (a)		523		2,320			(8,300	)
Other comprehensive income/(loss)		605		2,156			(8,346	)
Comprehensive income attributable to GAMCO Investors, Inc.	$	78,414	$	119,277		$	75,066

(a) Net of income tax expense (benefit) of $290, $1,363 and ($4,875) for 2017, 2016 and 2015, respectively.

See accompanying notes.

49

GAMCO INVESTORS, INC. AND SUBSIDIARIES

CONSOLIDATED STATEMENTS OF FINANCIAL CONDITION

(In thousands)

	December 31,			December 31,
	2017			2016
ASSETS
Cash and cash equivalents	$	17,821		$	39,812
Investments in securities		36,790			37,285
Receivable from brokers		1,578			453
Investment advisory fees receivable		38,712			43,736
Receivable from affiliates		5,635			5,960
Capital lease		2,304			2,514
Goodwill and identifiable intangible assets		3,765			3,765
Income tax receivable and deferred tax assets, net		15,615			9,349
Other assets		6,066			6,355
Total assets	$	128,286		$	149,229
LIABILITIES AND EQUITY
Payable to brokers	$	14,926		$	66
Income taxes payable		3,128			3,815
Capital lease obligation		4,943			5,066
Compensation payable		82,907			42,384
Payable to affiliates		855			1,412
Accrued expenses and other liabilities		28,656			29,178
Sub-total		135,415			81,921
AC 4% PIK Note (due November 30, 2020) (Note F)		50,000			100,000
4.5% Convertible note (due August 15, 2021) (Note F)		-			109,835
5.875% Senior notes (due June 1, 2021) (Note F)		24,144			24,120
AC 1.6% Note (due February 28, 2018) (Note F)		15,000			-
Total liabilities		224,559			315,876
Commitments and contingencies (Note I)
Equity:
Preferred stock, $.001 par value; 10,000,000 shares authorized; none issued and outstanding		-			-
Class A Common Stock, $0.001 par value; 100,000,000 shares authorized; 15,541,489 and 15,477,082
shares issued, respectively; 9,949,482 and 10,369,601 shares outstanding, respectively		14			14
Class B Common Stock, $0.001 par value; 100,000,000 shares authorized; 24,000,000 shares issued
and 19,024,404 and 19,093,311 shares outstanding, respectively		19			19
Additional paid-in capital		12,572			3,903
Retained earnings		155,939			80,515
Accumulated comprehensive income		11,876			11,271
Treasury stock, at cost (5,592,007 and 5,107,481 shares, respectively)		(276,693	)		(262,369	)
Total deficit		(96,273	)		(166,647	)
Total liabilities and equity	$	128,286		$	149,229

See accompanying notes.

50

GAMCO INVESTORS, INC. AND SUBSIDIARIES

CONSOLIDATED STATEMENTS OF EQUITY

(In thousands)

				GAMCO Investors, Inc. shareholders
						Additional			Retained			Accumulated									Redeemable
	Noncontrolling			Common		Paid-in			Earnings			Comprehensive			Treasury						Noncontrolling
	Interests			Stock		Capital			(Deficit)			Income			Stock			Total			Interests
Balance at December 31, 2014	$	2,734		$	33	$	291,681		$	602,950		$	25,014		$	(394,617	)	$	527,795		$	68,334
Net income		-			-		-			83,412			-			-			83,412			-
Net unrealized losses on
securities available for sale,
net of income tax benefit $(3,213)		-			-		-			-			(5,471	)		-			(5,471	)		-
Amounts reclassified from
accumulated other
comprehensive income,
net of income tax benefit $(1,662)		-			-		-			-			(2,829	)		-			(2,829	)		-
Foreign currency translation		-			-		-			-			(46	)		-			(46	)		-
Dividends declared ($0.28 per
share)		-			-		-			(7,477	)		-			-			(7,477	)		-
Stock based compensation
expense		-			-		9,868			-			-			-			9,868			-
Reduction of deferred tax asset
for excess of recorded RSA tax
benefit over actual tax benefit		-			-		(1,190	)		-			-			-			(1,190	)		-
Exercise of stock options
including tax benefit $(102)		-			-		1,269			-			-			-			1,269			-
Purchase of treasury stock		-			-		-			-			-			(27,249	)		(27,249	)		-
Issuance of 4.4 million treasury
shares to GCIA		-			-		(20,270	)		-			-			170,270			150,000			-
Spin-off of AC		(2,734	)		-		(281,013	)		(713,109	)		(7,553	)		-			(1,004,409	)		(68,334	)
Balance at December 31, 2015	$	-		$	33	$	345		$	(34,224	)	$	9,115		$	(251,596	)	$	(276,327	)	$	-

See accompanying notes.

51

GAMCO INVESTORS, INC. AND SUBSIDIARIES

CONSOLIDATED STATEMENTS OF EQUITY

(continued) (In thousands)

	GAMCO Investors, Inc. shareholders
			Additional			Retained			Accumulated
	Common		Paid-in			Earnings			Comprehensive			Treasury
	Stock		Capital			(Deficit)			Income			Stock			Total
Balance at December 31, 2015	$	33	$	345		$	(34,224	)	$	9,115		$	(251,596	)	$	(276,327	)
Net income		-		-			117,121			-			-			117,121
Net unrealized gains on
securities available for sale,
net of income tax expense ($1,857)		-		-			-			3,111			-			3,111
Amounts reclassified from
accumulated other
comprehensive income,
net of income tax benefit ($464)		-		-			-			(791	)		-			(791	)
Foreign currency translation		-		-			-			(164	)		-			(164	)
Dividends declared ($0.08 per
share)		-		-			(2,382	)		-			-			(2,382	)
Stock based compensation
expense		-		3,959			-			-			-			3,959
Reduction of deferred tax asset
for excess of recorded RSA tax
benefit over actual tax benefit		-		(401	)		-			-			-			(401	)
Purchase of treasury stock		-		-			-			-			(10,773	)		(10,773	)
Balance at December 31, 2016	$	33	$	3,903		$	80,515		$	11,271		$	(262,369	)	$	(166,647	)

See accompanying notes.

52

GAMCO INVESTORS, INC. AND SUBSIDIARIES

CONSOLIDATED STATEMENTS OF EQUITY

(continued) (In thousands)

	GAMCO Investors, Inc. shareholders
			Additional					Accumulated
	Common		Paid-in		Retained			Comprehensive			Treasury
	Stock		Capital		Earnings			Income			Stock			Total
Balance at December 31, 2016	$	33	$	3,903	$	80,515		$	11,271		$	(262,369	)	$	(166,647	)
Net income		-		-		77,809			-			-			77,809
Net unrealized gains on
securities available for sale,
net of income tax expense ($1,446)		-		-		-			2,492			-			2,492
Amounts reclassified from
accumulated other
comprehensive income,
net of income tax benefit $(1,156)		-		-		-			(1,969	)		-			(1,969	)
Foreign currency translation		-		-		-			82			-			82
Dividends declared ($0.08 per
share)		-		-		(2,385	)		-			-			(2,385	)
Stock based compensation
expense		-		8,669		-			-			-			8,669
Purchase of treasury stock		-		-		-			-			(14,324	)		(14,324	)
Balance at December 31, 2017	$	33	$	12,572	$	155,939		$	11,876		$	(276,693	)	$	(96,273	)

See accompanying notes.

53

GAMCO INVESTORS, INC. AND SUBSIDIARIES

CONSOLIDATED STATEMENTS OF CASH FLOWS

(In thousands)

	Year Ended December 31,
	2017			2016			2015
Operating activities
Net income	$	77,809		$	117,121		$	83,412
Loss from discontinued operations, net of taxes		-			-			3,887
Income from continuing operations		77,809			117,121			87,299
Adjustments to reconcile net income to net cash provided by operating activities
from continuing operations:
Depreciation and amortization		595			625			618
Stock based compensation expense		8,669			3,959			9,868
Deferred income taxes		(5,451	)		(5,537	)		1,166
Tax benefit from exercise of stock options		-			-			102
Foreign currency translation gain/(loss)		82			(164	)		(46	)
Donated securities		1,124			499			1,945
Gains on sales of available for sale securities		(62	)		(4	)		(6	)
Accretion of zero coupon debentures		-			-			628
Loss on extinguishment of debt		3,300			-			1,067
Acquisition of identifiable intangible asset		-			-			(1,661	)
(Increase) decrease in assets:
Investments in trading securities		8			186			(240	)
Receivable from affiliates		329			(927	)		21,393
Receivable from brokers		(1,125	)		638			592
Investment advisory fees receivable		5,024			(12,688	)		6,679
Income tax receivable and deferred tax assets		(6,267	)		(2,562	)		(4,354	)
Other assets		(73	)		(69	)		529
Increase (decrease) in liabilities:
Payable to affiliates		(557	)		(6,275	)		7,333
Payable to brokers		(990	)		54			1
Income taxes payable and deferred tax liabilities		4,473			2,768			(10,401	)
Compensation payable		40,517			17,969			(6,369	)
Accrued expenses and other liabilities		(714	)		144			987
Total adjustments		48,882			(1,384	)		29,831
Net cash provided by operating activities from continuing operations	$	126,691		$	115,737		$	117,130

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GAMCO INVESTORS, INC. AND SUBSIDIARIES

CONSOLIDATED STATEMENTS OF CASH FLOWS

(continued) (In thousands)

	Year Ended December 31,
	2017			2016			2015
Investing activities
Purchases of available for sale securities	$	(3,932	)	$	(1,843	)	$	(6,279	)
Proceeds from sales of available for sale securities		4,169			408			81
Net cash provided by (used in) investing activities from continuing operations		237			(1,435	)		(6,198	)
Financing activities
Repurchase of Zero coupon subordinated debentures due December 31, 2015		-			-			(13,101	)
Repurchase of 5.875% Senior note due June 1, 2021		-			-			(76,533	)
Repurchases of AC 4% PIK Note		(50,000	)		(150,000	)		-
Proceeds from 4.5% Convertible note due August 15, 2021		-			109,826			-
Repayment of 4.5% Convertible note due August 15, 2021		(113,300	)		-			-
Repayment of GGCP loan due December 28, 2016		-			(35,000	)		-
Proceeds from GGCP due December 28, 2016		-			-			35,000
Proceeds from 1.6% AC Note due February 28, 2018		15,000			-			-
Margin loan borrowings		20,850			-			-
Margin loan repayments		(5,000	)		-			-
Amortization of debt issuance costs		187			33			-
Net cash transferred to AC		-			-			(21,739	)
Proceeds from exercise of stock options		-			-			1,167
Dividends paid		(2,315	)		(2,333	)		(7,468	)
Purchase of treasury stock		(14,324	)		(10,773	)		(27,249	)
Net cash used in financing activities from continuing operations		(148,902	)		(88,247	)		(109,923	)
Cash flows of discontinued operations
Net cash provided by operating activities		-			-			54,335
Net cash used in investing activities		-			-			(41,463	)
Net cash used in financing activities		-			-			(12,871	)
Net cash provided by discontinued operations		-			-			1
Effect of exchange rates on cash and cash equivalents		(17	)		38			15
Net increase (decrease) in cash and cash equivalents		(21,991	)		26,093			1,025
Cash and cash equivalents at beginning of period		39,812			13,719			12,694
Cash and cash equivalents at end of period	$	17,821		$	39,812		$	13,719
Supplemental disclosures of cash flow information:
Cash paid for interest	$	12,180		$	11,274		$	7,011
Cash paid for taxes	$	62,259		$	75,238		$	59,657

Non-cash activity:

- For 2017, 2016 and 2015 the Company accrued restricted stock award dividends of $25, $35 and $175, respectively.

- For 2016 and 2015, the Company recorded $402 and $1,190, respectively, as a reduction to its deferred tax asset and additional paid-in capital for the excess of the recorded restricted stock award tax benefit over the actual tax benefit.

- On November 1, 2015, in connection with becoming the advisor to the Bancroft Fund Ltd. and the Ellswoth Growth and Income Fund Ltd., the Company recorded a non-cash identifiable intangible asset of $1.2 million.

- On November 28, 2015, the Company issued 4.4 million shares to GCIA in exchange for a $150 million five-year 4% note ("GCIA Note").

- On November 30, 2015, in connection with the spin-off of AC, the Company issued a $250 million five-year 4% PIK Note to AC and also contributed the GCIA Note to AC.

- On November 30, 2015, in connection with the spin-off of AC, the Company transferred $601.7 million of net assets, excluding cash and cash equivalents.

See accompanying notes.

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A. Significant Accounting Policies

Basis of Presentation

GAMCO Investors, Inc. (“GBL”, “We” or the “Company”) was incorporated in April 1998 in the state of New York, with no significant assets or liabilities and did not engage in any substantial business activities prior to the initial public offering (“Offering”) of our shares.  On February 9, 1999, we exchanged 24 million shares of our Class B Common Stock (“Class B Stock”), representing all of our then issued and outstanding common stock, with Gabelli Funds, Inc. (“GFI”) and two of its subsidiaries in consideration for substantially all of the operating assets and liabilities of GFI, relating to its institutional and retail asset management, mutual fund advisory, underwriting and brokerage business (the “Reorganization”).   GFI, which was renamed Gabelli Group Capital Partners, Inc. in 1999, is the majority shareholder of GBL and was renamed GGCP, Inc. (“GGCP”) in 2005.  During 2010, the shares of GBL owned by GGCP were transferred to GGCP Holdings LLC, a subsidiary of GGCP.  In 2014, the Company changed its state of incorporation from New York to Delaware in a tax-free reorganization.  On November 30, 2015 (the “Spin-Off Date”), GBL distributed to its stockholders all of the outstanding common stock of Associated Capital Group, Inc. (“AC”) and its subsidiaries along with certain cash and other assets (the “Spin-off”).  AC owns and operates, directly or indirectly, the alternatives and the institutional research businesses previously owned and operated by GBL.  In the Spin-off, each holder of GAMCO’s Class A Common Stock (“Class A Stock”) of record as of 5:00 p.m. New York City time on November 12, 2015 (the “Record Date”), received one share of AC Class A common stock for each share of GAMCO Class A Stock held on the Record Date.  Each record holder of GAMCO’s Class B Stock received one share of AC Class B common stock for each share of GAMCO Class B Stock held on the Record Date.  Subsequent to the Spin-off, GAMCO no longer consolidates the financial results of AC or certain investment partnerships and offshore funds in which we had a direct or indirect controlling financial interest for the purposes of GAMCO’s financial reporting and the historical financial results of AC and certain investment partnerships and offshore funds have been reflected in the Company’s consolidated financial statements as discontinued operations for all periods presented through the Spin-off Date.

The accompanying consolidated financial statements include the assets, liabilities and earnings of:

·  GBL;

·  Our wholly-owned subsidiaries: Gabelli Funds, LLC (“Funds Advisor”), GAMCO Asset Management Inc. (“GAMCO”), Distributors Holdings, Inc. (“DHI”), G.distributors, LLC (“G.distributors”), GAMCO Asset Management (UK) Limited, Gabelli Fixed Income, Inc. (“Fixed Income”), GAMCO International Partners LLC, and GAMCO Acquisition LLC.

The consolidated financial statements comprise the financial statements of GBL and its subsidiaries as of December 31 of each year.  The financial statements of the subsidiaries are prepared for the same reporting year as the parent company, using consistent accounting policies.  All intercompany transactions and balances have been eliminated.  Subsidiaries are fully consolidated from the date of acquisition, being the date on which GBL obtains control, and continue to be consolidated until the date that such control ceases.

Reclassifications

The historical results of AC and certain investment partnerships and offshore funds have been reflected in the accompanying consolidated statements of income for the year ended December 31, 2015 as discontinued operations and financial information related to discontinued operations has been excluded from the notes to these financial statements for all periods presented (See Note P. Discontinued Operations for further details).

Use of Estimates

The preparation of the consolidated financial statements in conformity with U.S. generally accepted accounting principles (“GAAP”) requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting period.  Actual results could differ from those estimates. 

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Nature of Operations

GAMCO, Funds Advisor, Gabelli Fixed Income LLC (“Fixed Income LLC”), a wholly-owned subsidiary of Fixed Income are registered investment advisors under the Advisers Act of 1940. G.distributors is a registered broker-dealer with the Securities and Exchange Commission (“SEC”) and is regulated by the Financial Industry Regulatory Authority (“FINRA”).  Refer to Major Revenue-Generating Services and Revenue Recognition section within Note A for additional discussion of GBL's business.

Cash and Cash Equivalents

Cash equivalents primarily consist of an affiliated money market mutual fund which is highly liquid.  U.S. Treasury Bills and Notes with maturities of three months or less at the time of purchase are also considered cash equivalents. 

Securities Transactions

Investments in securities are accounted for as either “trading securities” or “available for sale” and are stated at fair value.  Management determines the appropriate classification of debt and equity securities at the time of purchase.  U.S. Treasury Bills and Notes with maturities of greater than three months at the time of purchase are considered investments in securities.  Securities that are not readily marketable are stated at their estimated fair values in accordance with GAAP.  A portion of investments in securities are held for resale in anticipation of short-term market movements and therefore are classified as trading securities.  Trading securities are stated at fair value, with any unrealized gains or losses reported in current period earnings in net gain/(loss) from investments on the consolidated statements of income.  Available for sale (“AFS”) investments are stated at fair value, with any unrealized gains or losses, net of taxes, reported as a component of  other comprehensive income except for losses deemed to be other than temporary which are recorded as realized losses on the consolidated statements of income.  Securities transactions and any related gains and losses are recorded on a trade date basis.  Realized gains and losses from securities transactions are recorded on the specific identified cost basis and are included in net gain/(loss) from investments on the consolidated statements of income. 

Available for sale securities are evaluated for other than temporary impairments each reporting period and any impairment charges are recorded in net gain/(loss) from investments on the consolidated statements of income.  Management reviews all available for sale securities whose cost exceeds their fair value to determine if the impairment is other than temporary.  Management uses qualitative factors such as the intent to hold the investment, the amount of time that the investment has been impaired and the severity of the decline in determining whether the impairment is other than temporary.

Securities sold, but not yet purchased are recorded on the trade date, and are stated at fair value and represent obligations of GBL to purchase the securities at prevailing market prices.  Therefore, the future satisfaction of such obligations may be for an amount greater or less than the amounts recorded on the consolidated statements of financial condition.  The ultimate gains or losses recognized are dependent upon the prices at which these securities are purchased to settle the obligations under the sales commitments.  Realized gains and losses from covers of securities sold, not yet purchased transactions are included in net gain/(loss) from investments on the consolidated statements of income.  Securities sold, not yet purchased are stated at fair value, with any unrealized gains or losses reported in current period earnings in net gain/(loss) from investments on the consolidated statements of income.

Major Revenue-Generating Services and Revenue Recognition

The Company’s revenues are derived primarily from investment advisory and incentive fees and distribution fees.

Investment advisory and incentive fees are directly influenced by the level and mix of assets under management (“AUM”) as fees are derived from a contractually-determined percentage of AUM for each account as well as incentive fees earned on certain accounts.  Advisory fees from the open-end funds, closed-end funds and sub-advisory accounts are computed daily or weekly based on average net assets and amounts receivable are included in investment advisory fees receivable on the consolidated statements of financial condition.  Advisory fees from Institutional and Private Wealth Management accounts are generally computed quarterly based on account values as of the end of the preceding quarter, and amounts receivable are included in investment advisory fees receivable on the consolidated statements of financial condition.    The Company derived approximately 88%, 87% and 87% of its total revenues from advisory and management fees, including incentive fees, for the periods ended December 31, 2017, 2016 and 2015, respectively. These revenues vary depending upon the level of sales compared with redemptions, financial market conditions, performance and the fee structure for AUM.  Revenues derived from the equity-oriented portfolios generally have higher management fee rates than fixed income portfolios.

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The Company receives incentive fees from certain Institutional and Private Wealth Management accounts, which are based upon meeting or exceeding a specific benchmark index or indices.  Incentive fees refer to fees earned when the return generated for the client exceeds the benchmark and can be earned even if the return to the client is negative as long as the return exceeds the benchmark.  These fees are recognized, for each respective account, at the end of the stipulated contract period which is either quarterly or annually and varies by account.  Receivables due for incentive fees earned are included in investment advisory fees receivable on the consolidated statements of financial condition.  There were no incentive fees receivable as of December 31, 2017.  There were $2.4 million of incentive fees receivable as of December 31, 2016.

For The GDL Fund, there is a performance fee earned as of the end of the calendar year if the total return of the fund is in excess of the 90 day T-Bill Index total return. This fee is recognized at the end of the measurement period, which is annually on a calendar year basis. Receivables due on incentive fees relating to The GDL Fund are included in investment advisory fees receivable on the consolidated statements of financial condition and were $1.4 million and $4.2 million as of December 31, 2017 and 2016, respectively.

For the Gabelli Merger Plus⁺ Trust, there is an incentive fee which is earned and recognized at the end of the measurement period, June 30^th and varies to the extent the total return of the fund is in excess of twice the rate of return of the 13 week Treasury Bills over the performance period.  There was no performance fee receivable as of December 31, 2017.

Management fees on $0.7 billion of the closed-end preferred shares are earned at year-end if the total return to common shareholders of the closed-end fund for the calendar year exceeds the dividend rate of the preferred shares. These fees are recognized at the end of the measurement period, which is annually. Receivables due for management fees on closed-end preferred shares are included in investment advisory fees receivable on the consolidated statements of financial condition. There were $7.1 million and $7.3 million in management fees receivable on closed-end preferred shares as of December 31, 2017 and 2016, respectively.

Distribution fees revenues are derived primarily from the distribution of Gabelli, GAMCO, TETON, KEELEY and Comstock open-end funds (“Funds”) advised by either a subsidiary of GBL (Funds Advisor), a subsidiary of GGCP (Teton), or a subsidiary of Teton (Keeley-Teton Advisors, Inc.).  G.distributors distributes our open-end Funds pursuant to distribution agreements with each Fund.  Under each distribution agreement with an open-end Fund, G.distributors offers and sells such open-end Fund shares on a continuous basis and pays all of the costs of marketing and selling the shares, including printing and mailing prospectuses and sales literature, advertising and maintaining sales and customer service personnel and sales and services fulfillment systems, and payments to the sponsors of third party distribution programs, financial intermediaries and G.distributors’ sales personnel.  G.distributors receives fees for such services pursuant to distribution plans adopted under provisions of Rule 12b-1 (“12b-1”) of the Investment Company Act of 1940 (“Company Act”).  G.distributors is the principal underwriter for funds distributed in multiple classes of shares which carry either a front-end or back-end sales charge.

Under the distribution plans, the open-end Class AAA shares of the Funds (except The Gabelli U.S. Treasury Money Market Fund, Gabelli Capital Asset Fund and The Gabelli ABC Fund), the Class A shares, and the Class T shares of certain Funds pay G.distributors a distribution or service fee of 0.25% per year (except the Class A shares of the TETON Westwood Funds which pay 0.50% per year and the Class A shares of the Gabelli Enterprise Mergers and Acquisitions Fund which pays 0.45% per year) on the average daily net assets of the Fund. Class C shares have a 12b-1 distribution plan with a service and distribution fee totaling 1%.

Distribution fees from the open-end funds are computed daily based on average net assets.  The amounts receivable for distribution fees are included in receivables from affiliates on the consolidated statements of financial condition.

GBL also has investment gains or losses generated from its proprietary trading activities which are included in net gain/(loss) from investments on the consolidated statements of income.

Distribution Costs

We incur certain promotion and distribution costs, which are expensed as incurred, principally related to the sale of shares of Funds, shares sold in the initial public offerings of our closed-end funds, and after-market support services related to our closed-end funds.  Additionally, Funds Advisor has agreed to reimburse expenses on certain funds, beyond certain expense caps.  The reimbursed expenses are presented on a gross basis in distribution costs in the consolidated statements of income.

Dividends and Interest Income and Interest Expense

Dividends are recorded on the ex-dividend date.  Interest income and interest expense are accrued as earned or incurred.

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Depreciation and Amortization

Fixed assets other than leasehold improvements, with net book value of$421,000 and $524,000 at December 31, 2017 and 2016, respectively, which are included in other assets, are recorded at cost and depreciated using the straight-line method over their estimated useful lives from four to seven years. Accumulated depreciation was $2.7 million and $2.6 million at December 31, 2017 and 2016, respectively. Leasehold improvements, with net book value of $1.5 million and $1.6 million at December 31, 2017 and 2016, respectively, which are included in other assets, are recorded at cost and amortized using the straight-line method over their estimated useful lives or lease terms, whichever is shorter. The leased property under the capital lease is depreciated utilizing the straight-line method over the term of the lease, which expires on December 31, 2028.  The capital lease was extended on June 11, 2014 to December 31, 2028 from December 31, 2023.  For the years ended December 31, 2017, 2016 and 2015, depreciation and amortization were $595,000, $632,000 and $618,000, respectively. We estimate that depreciation and amortization will be approximately $590,000 annually over the next three years.

Goodwill and Identifiable Intangible Assets

Goodwill is initially measured as the excess of the cost of the acquired business over the sum of the amounts assigned to assets acquired less the liabilities assumed.  At December 31, 2017 and 2016, goodwill recorded on the consolidated statements of financial condition relates to G.distributors.  At December 31, 2017 and 2016, the identifiable intangible assets are the investment advisory contracts for the Gabelli Enterprise Mergers and Acquisition Fund, for the Bancroft Fund Ltd. and the Ellsworth Growth and Income Fund Ltd., all of which relate to Funds Advisor.  Goodwill and identifiable intangible assets are tested for impairment at least annually on November 30^th and whenever certain triggering events are met.  In assessing the recoverability of the identifiable intangible asset for 2017 and 2016, projections regarding estimated future cash flows and other factors are made to determine the fair value of the asset.  No impairment was recorded during 2017, 2016, or 2015.

In assessing the recoverability of goodwill for our annual impairment test on November 30, 2017 and 2016, we performed a qualitative assessment of whether it was more likely than not that an impairment had occurred and concluded that a quantitative analysis was not required.  No impairment was recorded during 2017, 2016, or 2015.

Income Taxes

Deferred tax assets and liabilities are recorded for temporary differences between the tax basis of assets and liabilities and the reported amounts on the consolidated financial statements using the statutory tax rates in effect for the year when the reported amount of the asset or liability is recovered or settled, respectively.  The effect on deferred tax assets and liabilities of a change in tax rates is recognized in the results of operations in the period that includes the enactment date. As a result of the enactment of the Tax Cuts and Jobs Act in December 2017, the Company recorded an increase in expense of $8.2 million reflecting the net write-down to its deferred tax assets and deferred tax liabilities.  A valuation allowance is recorded to reduce the carrying values of deferred tax assets to the amount that is more likely than not to be realized.  For each tax position taken or expected to be taken in a tax return, the Company determines whether it is more likely than not that the position will be sustained upon examination based on the technical merits of the position, including resolution of any related appeals or litigation.  A tax position that meets the more likely than not recognition threshold is measured to determine the amount of benefit to recognize.  The tax position is measured at the largest amount of benefit that is greater than 50% likely of being realized upon settlement.  The Company recognizes the accrual of interest on uncertain tax positions and penalties in income tax provision on the consolidated statements of income.

Fair Values of Financial Instruments

All of the instruments within cash and cash equivalents, investments in securities and securities sold, not yet purchased are measured at fair value. Certain investments in partnerships are also measured at fair value.

The Company’s assets and liabilities recorded at fair value have been categorized based upon a fair value hierarchy in accordance with the Financial Accounting Standards Board’s (“FASB”) guidance on fair value measurement. The levels of the fair value hierarchy and their applicability to the Company are described below:

-   Level 1 inputs utilize quoted prices (unadjusted) in active markets for identical assets or liabilities at the reporting date. Level 1 assets include cash equivalents, government obligations, open-end funds, closed-end funds and equities.

-   Level 2 inputs utilize inputs other than quoted prices included in Level 1 that are observable for the asset or liability, either directly or indirectly. Level 2 inputs include quoted prices for similar assets and liabilities in active markets, quoted prices for identical or similar assets or liabilities that are not active and inputs other than quoted prices that are observable for the asset or liability, such as interest rates and yield curves that are observable at commonly-quoted intervals. Assets that generally are included in this category may include certain limited partnership interests in private funds and over the counter derivatives that have inputs to the valuations that can generally be corroborated by observable market data.

-   Level 3 inputs are unobservable inputs for the asset or liability, and include situations where there is little, if any, market activity for the asset or liability.  Assets included in this category generally include equities that trade infrequently and direct private equity investments held within consolidated partnerships.

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In certain cases, the inputs used to measure fair value may fall into different levels of the fair value hierarchy.  In such cases, the level in the fair value hierarchy within which the fair value measurement in its entirety falls has been determined based on the lowest level input that is significant to the fair value measurement in its entirety.  The Company’s assessment of the significance of a particular input to the fair value measurement in its entirety requires judgment and considers factors specific to the asset or liability. Investments are transferred into or out of any level at their beginning period values.

The availability of observable inputs can vary from instrument to instrument and is affected by a wide variety of factors, including, for example, the type of instrument, whether the instrument is new and not yet established in the marketplace, and other characteristics particular to the transaction. To the extent that valuation is based on models or inputs that are less observable or unobservable in the market, the determination of fair value requires more judgment. Accordingly, the degree of judgment exercised by the Company in determining fair value is greatest for instruments categorized as Level 3.

The valuation process and policies reside with the financial reporting and accounting group which reports to the Co-Chief Accounting Officers. The Company may use the “market approach” or “income approach” valuation technique to value its investments in Level 3 investments. The Company’s valuation of the Level 3 investments could be based upon either i) the recent sale prices of the issuer’s equity securities or ii) the net assets, book value or cost basis of the issuer when there is no recent sales prices available.

In the absence of a closing price, an average of the bid and ask price is used. Bid prices reflect the highest price that the market is willing to pay for an asset. Ask prices represent the lowest price that the market is willing to accept for an asset.

Cash equivalents – Cash equivalents primarily consist of an affiliated money market mutual fund which is invested solely in U.S. Treasuries and valued based on the net asset value of the fund.  U.S. Treasury Bills and Notes with maturities of three months or less at the time of purchase are also considered cash equivalents.  Cash equivalents are valued using unadjusted quoted market prices.

Investments in securities and Securities sold, not yet purchased – Investments in securities and securities sold, not yet purchased are generally valued based on quoted prices from an exchange.  To the extent these securities are actively traded, valuation adjustments are not applied, and they are categorized in Level 1 of the fair value hierarchy.  Securities categorized in Level 2 investments are valued using other observable inputs.  Nonpublic and infrequently traded investments are included in Level 3 of the fair value hierarchy because significant inputs to measure fair value are unobservable.

Earnings Per Share

Basic earnings per share is based on the weighted-average number of common shares outstanding during each period less unvested restricted stock.  Diluted earnings per share is based on basic shares plus the incremental shares that would be issued upon the assumed exercise of in-the-money stock options and unvested restricted stock using the treasury stock method, and, if dilutive, assumes the conversion of the convertible note for the periods outstanding since the issuance in August 2016 using the if converted method.

Management Fee

Management fee expense is incentive-based and entirely variable compensation in the amount of 10% of the aggregate pre-tax profits before management fee which is paid to Mr. Gabelli or his designee for acting as CEO pursuant to his 2008 Employment Agreement so long as he is an executive of GBL and devotes the substantial majority of his working time to the business. In accordance with his 2008 Employment Agreement, he has allocated approximately $1.4 million, $2.2 million and $1.9 million of his management fee to certain other employees of the Company in 2017, 2016 and 2015, respectively.

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Stock Based Compensation

The Company has granted restricted stock awards (“RSAs”) and stock options to staff members which were recommended by the Company’s Chairman, who did not receive an RSA or option award, and approved by the Compensation Committee of the Company’s Board of Directors.  We use a fair value based method of accounting for stock-based compensation provided to our employees.  

The estimated fair value of RSAs is determined by using the closing price of Class A Common Stock (“Class A Stock”) on the day prior to the grant date.  The total expense, which is reduced by estimated forfeitures, is recognized over the vesting period for these awards which is either (1) 30% over three years from the date of grant and 70% over five years from the date of grant or (2) 30% over three years from the date of grant and 10% each year over years four through ten from the date of grant. The forfeiture rate is determined by reviewing historical forfeiture rates for previous stock-based compensation grants and is reviewed and updated quarterly, if necessary.  During the vesting period, dividends to RSA holders are held for them until the RSA vesting dates and are forfeited if the grantee is no longer employed by the Company on the vesting dates.  Dividends declared on these RSAs, less estimated forfeitures, are charged to retained earnings on the declaration date.

The estimated fair value of option awards on the grant date is determined using the Black Scholes option-pricing model.  This sophisticated model utilizes a number of assumptions in arriving at its results, including the estimated life of the option, the risk free interest rate at the date of grant and the volatility of the underlying common stock.  There may be other factors, which are not considered in the Black Scholes model, which may have an effect on the value of the options as well.  The effects of changing any of the assumptions or factors employed by the Black Scholes model may result in a significantly different valuation for the options.  The total expense based on the grant date fair value, which is reduced by estimated forfeitures, is recognized over the vesting period for these awards which is  75% over three years from the date of grant and 25% over four years from date of grant. The forfeiture rate is determined by reviewing historical forfeiture rates for previous stock-based compensation grants and is reviewed and updated quarterly, if necessary.

In connection with the Spin-off of AC and in accordance with GAAP, the Company has allocated the stock compensation costs between GBL and AC based upon each employee’s individual allocation of their responsibilities between GBL and AC.  See note H. Equity for further details.

The Company has entered into three deferred compensation agreements with Mr. Gabelli whereby his variable compensation for 2016, the first half of 2017 and the fourth quarter of 2017 was in the form of Restricted Stock Units (“RSUs”) determined by the volume-weighted average price (“VWAP”) of the Company’s Class A Stock during those respective periods.  The 2016 Deferred Cash Compensation Agreement (“DCCA”) will vest 100% on January 1, 2020, the First Half 2017 DCCA will vest 100% on July 1, 2018, and the Fourth Quarter 2017 DCCA will vest 100% on April 1, 2019.  The Company intends to settle the awards in cash at vesting; however, the Company reserves the right to issue shares of the Company’s Class A Stock in lieu of such cash payment.  Under the terms of the agreement the Company will pay Mr. Gabelli an amount equal to the number of RSUs valued at the lesser of the VWAP of the Company’s Class A Stock for the applicable period or the value on the lapse date or, if not a trading day, then the first trading date thereafter.

Under GAAP, for the 2016 DCCA only 25% of this deferred compensation expense is being recognized in 2016 with the remainder amortized ratably over 2017, 2018, and 2019.  Similarly, under GAAP, for the First Half 2017 DCCA 67% of the expense is recognized in 2017 with the remaining 33% expensed in 2018.  For the Fourth Quarter 2017 DCCA 17% of the expense is recognized in 2017, 66% in 2018 and the remaining 17% in 2019.  Notwithstanding its ability to settle the award in stock, given the Company’s intent to settle it in cash, in accordance with GAAP (ASC 718), the awards are accounted for as liability-classified awards and not as equity-classified awards.  The liability is remeasured at fair value on each reporting period from December 31, 2016 until the vesting date.  However, given the cap on the obligation in that Mr. Gabelli will not receive cash in excess of the VWAP of the Company’s Class A Stock for each respective period, the remeasurement of the liability at fair value will never exceed its value determined using each period’s respective VWAP price.

Concentration of Credit Risk

Financial instruments that potentially subject the Company to concentrations of credit risk consist primarily of cash and cash equivalents and receivable from brokers.  The Company maintains cash and cash equivalents primarily in the Gabelli U.S. Treasury Money Market Fund, which invests fully in instruments issued by the U.S. government, and has receivables from brokers with various brokers and financial institutions, where these balances can exceed the federally insured limit.  The concentration of credit risk with respect to advisory fees receivable is generally limited due to the short payment terms extended to clients by the Company.  In addition, the credit risk is further limited by virtue of the fact that no single advisory relationship provided over 10% of the total revenue of the Company during the years 2017, 2016, or 2015.  All investments in securities are held at third party brokers or custodians.

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Business Segment

The Company operates in one business segment, the investment advisory and asset management business. The Company conducts its investment advisory business principally through: GAMCO (Institutional and Private Wealth Management) and Funds Advisor (Funds).  The distribution of our open-end funds and underwriting of those Funds was conducted through G.distributors.

Recent Accounting Developments

In May 2014, the FASB issued Accounting Standards Update (“ASU”) No. 2014-09, "Revenue from Contracts with Customers," which supersedes the revenue recognition requirements in the Accounting Standards Codification ("Codification") Topic 605, Revenue Recognition, and most industry-specific guidance throughout the industry topics of the Codification.  The core principle of the new ASU No. 2014-09 is for companies to recognize revenue from the transfer of goods or services to customers in amounts that reflect the consideration to which the company expects to be entitled to receive in exchange for those goods or services.  The new standard provides a five-step approach to be applied to all contracts with customers and also requires expanded disclosures about revenue recognition.  In March 2016, the FASB issued revised guidance which clarifies the guidance related to (a) determining the appropriate unit of account under the revenue standard’s principal versus agent guidance and (b) applying the indicators of whether an entity is a principal or an agent in accordance with the revenue standard’s control principle. In April 2016, the FASB issued an amendment to provide more detailed guidance including additional implementation guidance and examples related to (a) identifying performance obligations and (b) licenses of intellectual property. In May 2016, the FASB amended the standard to clarify the guidance on (a) assessing collectability, (b) presenting sales taxes, (c) measuring noncash consideration, and (d) certain transition matters. This new guidance will be effective for the Company's first quarter of 2018 and requires either a full retrospective or a modified retrospective approach to adoption. The Company’s implementation analysis has been completed, and we have identified similar performance obligations under this guidance as compared with deliverables and separate units of account previously identified under Topic 605.  As a result, we expect the timing of the recognition of our revenue to remain the same as under Topic 605, and the Company does not therefore expect the adoption of the new guidance to have any effect on the timing of the recognition of revenue.  If there were to be any impact, which is not expected, the Company has determined that it would use the modified retrospective transition method.  The Company has also been reviewing and preparing for the enhanced disclosure requirements of the standard, which will have an effect on the disclosures in the consolidated financial statements and accompanying notes effective with our first quarter 2018 Form 10-Q.

In January 2016, the FASB issued ASU 2016-01, which amends the guidance in U.S. GAAP on the classification and measurement of financial instruments. Although the ASU retains many current requirements, it significantly revises an entity’s accounting related to (1) the classification and measurement of investments in equity securities and (2) the presentation of certain fair value changes for financial liabilities measured at fair value. The ASU also amends certain disclosure requirements associated with the fair value of financial instruments. In addition, the FASB clarified guidance related to the valuation allowance assessment when recognizing deferred tax assets resulting from unrealized losses on available-for-sale debt securities. To adopt the amendments, entities will be required to make a cumulative-effect adjustment to beginning retained earnings as of the beginning of the fiscal year in which the guidance is effective.  The Company adopted this guidance on January 1, 2018 and reclassed $11.9 million out of Accumulated Comprehensive Income and into Retained Earnings.  Effective January 1, 2018, changes in the fair value of the Company’s available-for-sale investments will be reported through earnings rather than through other comprehensive income.

In February 2016, the FASB issued ASU 2016-02, which amends the guidance in U.S. GAAP for the accounting for leases.  ASU 2016-02 requires a lessee to recognize assets and liabilities arising from most operating leases in the consolidated statement of financial position. It requires these operating leases to be recorded on the balance sheet as right of use assets and offsetting lease liability obligations.  This new guidance will be effective for the Company’s first quarter of 2019. The Company is currently evaluating this guidance and the impact it will have on its consolidated financial statements and related disclosures.

In March 2016, the FASB issued ASU 2016-09, which simplifies several aspects of the accounting for employee share-based payment transactions for both public and nonpublic entities, including the accounting for income taxes, forfeitures, and statutory tax withholding requirements, as well as classification in the statement of cash flows. For public companies, the ASU is effective for annual reporting periods beginning after December 15, 2016, including interim periods within those annual reporting periods.  The Company adopted this guidance on January 1, 2017 without a material impact to the consolidated financial statements.  Please see Note D.

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In August 2016, the FASB issued ASU 2016-15, which adds and clarifies guidance on the classification of certain cash receipts and payments in the consolidated statements of cash flows.  This guidance is intended to unify the currently diverse presentations and classifications, which address eight classification issues related to the statement of cash flows, including debt prepayment or debt extinguishment costs, settlement of zero-coupon debt instruments or other debt instruments with coupon interest rates that are insignificant in relation to the effective interest rate of the borrowing, contingent consideration payments made after a business combination, proceeds from the settlement of insurance claims, proceeds from the settlement of corporate-owned life insurance policies, including bank-owned life insurance policies, distributions received from equity method investees, beneficial interests in securitization transactions, and separately identifiable cash flows and application of the predominance principle.  The Company adopted this guidance on January 1, 2018 without a material impact to the consolidated financial statements.

In November 2016, the FASB issued ASU 2016-18, which amends ASC 230 to clarify guidance on the classification and presentation of restricted cash in the statement of cash flows.  Key requirements are that an entity should include in its cash and cash equivalent balances in the statement of cash flow those amounts that are deemed to be restricted cash and restricted cash equivalents and that a reconciliation between the statement of financial position and the statement of cash flows must be disclosed when the statement of financial position includes more than one line item for cash, cash equivalents, restricted cash, and restricted cash equivalents.  The ASU also mandates that changes in restricted cash and restricted cash equivalents that result from transfers between cash, cash equivalents, restricted cash, and restricted cash equivalents should not be presented as cash flow activities in the statement of cash flows and that an entity with a material amount of restricted cash and restricted cash equivalents must disclose information about the nature of the restrictions.  This new guidance was to be effective for the Company’s first quarter of 2018, but the Company has elected to early adopt in the third quarter of 2017.  There was no material impact to the consolidated financial statements.

In January 2017, the FASB issued ASU 2017-04 to simplify the process used to test for goodwill impairment.  A goodwill impairment will now be the amount by which a reporting unit’s carrying value exceeds its fair value, not to exceed the carrying amount of goodwill. This new guidance will be effective for the Company’s first quarter of 2020. The Company is currently evaluating the potential effect of this new guidance on its consolidated financial statements and related disclosures.

On May 10, 2017, the FASB issued ASU 2017-09, which amends the scope of modification accounting for share-based payment arrangements.  The ASU provides guidance on the types of changes to the terms or conditions of share-based payment awards to which an entity would be required to apply modification accounting under ASC 718.  Specifically, an entity would not apply modification accounting if the fair value, vesting conditions, and classification of the awards are the same immediately before and after the modification.  For all entities, the ASU is effective for annual reporting periods, including interim periods within those annual reporting periods, beginning after December 15, 2017.  Early adoption is permitted, including adoption in any interim period.  This ASU, which we did not early adopt, would not have impacted the accounting for the acceleration of vesting of restricted stock awards during the year ended December 31, 2017.

In January 2018, the Securities and Exchange Commission (“the Commission”) issued Staff Accounting Bulletin No. 118 (“SAB 118”) which expresses the Commission’s views regarding application of FASB’s ASC Topic 740 “Income Taxes” in the reporting period that includes December 22, 2017.  The Commission indicated that The Tax Cuts and Jobs Act (“the Act”), which was enacted on December 22, 2017,  affects companies’ reporting because of the Act’s changes that impact U.S. corporate tax rates, business-related exclusions, and deductions and credits.

ASC Topic 740 provides accounting and disclosure guidance on accounting for income taxes under generally accepted accounting principles (“U.S. GAAP”). This guidance addresses the recognition of taxes payable or refundable for the current year and the recognition of deferred tax liabilities and deferred tax assets for the future tax consequences of events that have been recognized in an entity’s financial statements or tax returns.   ASC Topic 740 also addresses the accounting for income taxes upon a change in tax laws or tax rates.  The income tax accounting effect of a change in tax laws or tax rates includes, for example, adjusting (or re-measuring) deferred tax liabilities and deferred tax assets, as well as evaluating whether a valuation allowance is needed for deferred tax assets.

The Commission issued SAB 118 to address situations where the accounting under ASC Topic 740 is incomplete for certain income tax effects of the Act upon issuance of an entity’s financial statements for the reporting period in which the Act was enacted. A company’s financial statements that include the reporting period in which the Act was enacted must first reflect the income tax effects of the Act in which the accounting under ASC Topic 740 is complete. These completed amounts would not be provisional amounts. The company would then also report provisional amounts for those specific income tax effects of the Act for which the accounting under ASC Topic 740 will be incomplete but a reasonable estimate can be determined. For any specific income tax effects of the Act for which a reasonable estimate cannot be determined, the company would not report provisional amounts and would continue to apply ASC Topic 740 based on the provisions of the tax laws that were in effect immediately prior to the Act being enacted. For those income tax effects for which the company was not able to determine a reasonable estimate (such that no related provisional amount was reported for the reporting period in which the Act was enacted), the company would report provisional amounts in the first reporting period in which a reasonable estimate can be determined.

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The Company has revalued its deferred tax assets and liabilities as of the date of enactment and has determined that the provisions of SAB 118 related to incomplete or provisional amounts do not apply as it considers its evaluation complete.

In February 2018, the FASB issued ASU 2018-02 to address constituent concerns related to the application of ASC 740 to certain provisions of the new tax reform legislation, the Tax Cuts and Jobs Act.  Specifically, the ASU addressed concerns about the requirement in ASC 740 that the effect of a change in tax laws or rates on deferred tax assets and liabilities be included in income from continuing operations in the reporting period that contains that enactment date of the change.  That guidance applies even in situations in which the tax effects were initially recognized directly to other comprehensive income at the previous rate, resulting in “stranded” amounts in accumulated comprehensive income (AOCI) related to the income tax rate differential. This new guidance will be effective for the Company’s first quarter of 2019.  Early adoption is permitted.  The Company has elected not to early adopt for the financial statements for the year ended December 31, 2017 contained in this Form 10K.  It is currently evaluating whether it will early adopt this ASU in 2018 and the effects that the adoption will have on its consolidated financial statements in the period of adoption.

B. Investments in Securities

Investments in securities at December 31, 2017 and 2016 consisted of the following:

	2017				2016
	Cost		Fair Value		Cost		Fair Value
(In thousands)
Trading securities:
Common stocks	$	26	$	34	$	51	$	54
Mutual Funds		11		11		-		-
Total trading securities		37		45		51		54
Available for sale securities:
Common stocks		17,441		36,637		18,739		37,131
Closed-end funds		99		108		99		100
Total available for sale securities		17,540		36,745		18,838		37,231
Total investments in securities	$	17,577	$	36,790	$	18,889	$	37,285

There were no securities sold, not yet purchased at December 31, 2017 and 2016.

The following table identifies all reclassifications out of accumulated other comprehensive income and into net income for the year ended December 31, 2017 and 2016 (in thousands):

Amount							Affected Line Item	Reason for
Reclassified							in the Statements	Reclassification
from AOCI							of Income	from AOCI
Twelve months ended December 31,
2017				2016
	$	62		$	4		Net gain from investments	Realized gain / (loss) on sale of AFS securities
		3,063			1,251		Other operating expenses	Donation of AFS securities
		3,125			1,255		Income before income taxes
		(1,156	)		(464	)	Income tax expense
	$	1,969		$	791		Net income

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The following is a summary of the cost, gross unrealized gains, gross unrealized losses and fair value of available for sale investments as of December 31, 2017 and December 31, 2016:

	December 31, 2017
				Gross			Gross
				Unrealized			Unrealized			Fair
	Cost			Gains			Losses			Value
	(In thousands)
Common stocks		$	17,441		$	19,196		$	-		$	36,637
Closed-end Funds		$	99		$	9		$	-		$	108
Total available for sale securities		$	17,540		$	19,205		$	-		$	36,745

	December 31, 2016
				Gross			Gross
				Unrealized			Unrealized			Fair
	Cost			Gains			Losses			Value
	(In thousands)
Common stocks		$	18,739		$	18,392		$	-		$	37,131
Closed-end funds			99			1			-			100
Total available for sale securities		$	18,838		$	18,393		$	-		$	37,231

Increases in unrealized gains, net of taxes, for AFS securities for the year ended December 31, 2017 and 2016 of $0.5 million and $2.3 million have been included in other comprehensive income at December 31, 2017 and 2016, respectively.  Increases in unrealized losses, net of taxes, for AFS securities for the year ended December 31, 2015 of $5.5 million have been included in other comprehensive income at December 31, 2015. The amount reclassified from other comprehensive income for the years ended December 31, 2017, 2016 and 2015 was $2.0 million, $0.8 million and $2.8 million, respectively. Proceeds from sales of investments available for sale were approximately $4.2 million, $0.4 million and $0.1 million for the years ended December 31, 2017, 2016 and 2015, respectively. For the years ended December 31, 2017, 2016 and 2015, gross gains on the sale of investments available for sale amounted to $62,000, $4,000 and $6,000, respectively, and were reclassed from other comprehensive income into the consolidated statements of income. There were no losses on the sale of investments available for sale for the years ended December 31, 2017, 2016 and 2015. The basis on which the cost of a security sold is determined is specific identification. Accumulated other comprehensive income on the consolidated statements of equity is primarily comprised of unrealized gains/losses, net of taxes, for AFS securities.

GBL has an established accounting policy and methodology to determine other-than-temporary impairment on available for sale securities.  Under this policy, available for sale securities are evaluated for other than temporary impairments and any impairment charges are recorded in net gain/(loss) from investments on the consolidated statements of income.  Management reviews all available for sale securities whose cost exceeds their market value to determine if the impairment is other than temporary.  Management uses qualitative factors such as diversification of the investment, the amount of time that the investment has been impaired, the intent to sell and the severity of the decline in determining whether the impairment is other than temporary.  

There were no investments classified as available for sale that were in an unrealized loss position at either December 31, 2017 or December 31, 2016.

For the years ended December 31, 2017, 2016 and 2015 there were no losses on available for sale securities that were deemed to be other than temporary.

All of our investments within the Investments in securities line item on the consolidated statement of financial condition are pledged as collateral against a margin loan outstanding with an unaffiliated broker included in the Payable to brokers line item on the consolidated statements of financial condition.  Certain of the investments within the Investments in securities line item are also pledged against the AC 1.6% Note due February 28, 2018.

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C. Fair Value

The following tables present information about the Company’s assets and liabilities by major categories measured at fair value on a recurring basis as of December 31, 2017 and 2016 and indicates the fair value hierarchy of the valuation techniques utilized by the Company to determine such fair value:

Assets and Liabilities Measured at Fair Value on a Recurring Basis as of December 31, 2017 (in thousands)

	Quoted Prices in Active		Significant Other		Significant		Balance as of
	Markets for Identical		Observable		Unobservable		December 31,
Assets	Assets (Level 1)		Inputs (Level 2)		Inputs (Level 3)		2017
Cash equivalents	$	17,475	$	-	$	-	$	17,475
Investments in securities:
AFS - Common stocks		36,637		-		-		36,637
AFS - Closed-end Funds		108		-		-		108
Trading - Common stocks		34		-		-		34
Trading - Mutual Funds		11		-		-		11
Total investments in securities		36,790		-		-		36,790
Total assets at fair value	$	54,265	$	-	$	-	$	54,265

During the year ended December 31, 2017, there were no transfers between any Level 1 and Level 2 holdings, or between Level 1 and Level 3 holdings.

Assets and Liabilities Measured at Fair Value on a Recurring Basis as of December 31, 2016 (in thousands)

	Quoted Prices in Active		Significant Other		Significant		Balance as of
	Markets for Identical		Observable		Unobservable		December 31,
Assets	Assets (Level 1)		Inputs (Level 2)		Inputs (Level 3)		2016
Cash equivalents	$	39,638	$	-	$	-	$	39,638
Investments in securities:
AFS - Common stocks		37,131		-		-		37,131
AFS - Closed-end Funds		100		-		-		100
Trading - Common stocks		54		-		-		54
Total investments in securities		37,285		-		-		37,285
Total assets at fair value	$	76,923	$	-	$	-	$	76,923

During the year ended December 31, 2016, there were no transfers between any Level 1 and Level 2 holdings, or between Level 1 and Level 3 holdings.

D. Income Taxes

GBL and its greater than 80% owned operating subsidiaries file a consolidated federal income tax return. Accordingly, the income tax provision represents the aggregate of the amounts provided for all companies.

ASU 2016-09, which was issued in March 2016 and became effective for interim and annual reporting periods beginning after December 15, 2016, simplifies several aspects of accounting for employee share-based payment transactions. Upon adoption of ASU 2016-09 on January 1, 2017, our accounting for excess tax benefits has changed and adopted prospectively, resulting in recognition of excess tax benefits or tax deficiencies against income tax expenses rather than additional paid-in capital.  During the twelve months ended December 31, 2017, the ETR was higher by 0.7% as a result of a reduction to previously recorded stock compensation tax benefits.

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The provision for income taxes for the years ended December 31, 2017, 2016 and 2015 consisted of the following:

	2017			2016			2015
(In thousands)
Federal:
Current	$	54,318		$	63,991		$	47,699
Deferred		(3,670	)		(4,424	)		(1,441	)
State and local:
Current		6,212			6,652			5,359
Deferred		(1,781	)		(1,113	)		109
Total	$	55,079		$	65,106		$	51,726

A reconciliation of the Federal statutory income tax rate to the effective tax rate is set forth below:

	2017		2016		2015
Statutory Federal income tax rate	35.0	%	35.0	%	35.0	%
State income tax, net of Federal benefit	0.5		1.0		2.7
Impact of Tax Act	6.2		-		-
Other	(0.3)		(0.3)		(0.5)
Effective income tax rate	41.4	%	35.7	%	37.2	%

Significant components of our deferred tax assets and liabilities are as follows:

	2017			2016
(In thousands)
Deferred tax assets:
Stock compensation expense	$	110		$	4,006
Deferred compensation		14,740			7,629
Capital lease obligation		633			944
Other		238			311
Total deferred tax assets		15,721			12,890
Deferred tax liabilities:
Investments in securities available for sale		(4,609	)		(6,805	)
Contingent deferred sales commissions		(189	)		(322	)
Intangible asset amortization		(233	)		(235	)
Other		(10	)		(9	)
Total deferred tax liabilities		(5,041	)		(7,371	)
Net deferred tax assets (liabilities)	$	10,680		$	5,519

As a result of the vesting of RSAs, and in accordance with GAAP, decreases of $0.4 million and $1.2 million were recorded in additional paid in capital for the years ended December 31, 2016 and December 31, 2015, respectively, as the actual tax benefits realized by the Company were less than the previously recorded deferred tax benefits.

As of December 31, 2017 and 2016, the total amount of gross unrecognized tax benefits related to uncertain tax positions was approximately $13.3 million and $15.0 million, respectively, of which recognition of $10.5 million and $9.8 million, respectively, would impact the Company’s effective tax rate.

As of December 31, 2017 and 2016, the net liability for unrecognized tax benefits related to uncertain tax positions was $14.5 million and $14.1 million, respectively, and is included in accrued expenses and other liabilities on the consolidated statements of financial condition.

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A reconciliation of the beginning and ending amount of gross unrecognized tax benefits related to uncertain tax positions is as follows:

	(in millions)
Balance at December 31, 2014	$	16.0
Additions based on tax positions related to the current year		2.8
Additions for tax positions of prior years		0.1
Reductions for tax positions of prior years		(0.5	)
Settlements		-
Balance at December 31, 2015		18.4
Additions based on tax positions related to the current year		2.3
Additions for tax positions of prior years		1.2
Reductions for tax positions of prior years		(6.9	)
Settlements		-
Balance at December 31, 2016		15.0
Additions based on tax positions related to the current year		2.2
Additions for tax positions of prior years		-
Reductions for tax positions of prior years		(3.9	)
Settlements		-
Balance at December 31, 2017	$	13.3

The Company records penalties and interest related to tax uncertainties in income taxes. As of December 31, 2017 and 2016, the Company had recognized gross liabilities of approximately $4.8 million and $6.7 million related to interest and penalties, respectively. For the years ended December 31, 2017 and 2016, the Company recorded an income tax benefit related to a decrease in its liability for interest and penalties of $0.3 million and $0.7 million, respectively.  For the years ended December 31, 2015, the Company recorded income tax expenses related to an increase in its liability for interest and penalties of $1.1 million.

The Tax Cuts and Jobs Act that was enacted in December 2017 resulted in an $8.2 million write down of net deferred tax assets.

Specifically, the 2017 income tax expense included the following amounts related to the Tax Cuts and Jobs Act enacted in the United States in December 2017.

· $10.9 million tax expense related to the revaluation of certain deferred income tax assets;

· $2.7 million non-cash tax benefit related to the revaluation of certain deferred income tax liabilities

The Company is currently being audited by New York State for years 2007 through 2011 but does not expect that any potential assessments will be material to its results of operations. The Company is subject to future audits by New York State for all years after 2011.  The Company’s remaining state income tax returns are subject to future audit for all years after 2010.  The Company’s Federal tax returns are subject to future audit for 2015 and 2016.

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E. Earnings per Share

The computations of basic and diluted net income per share are as follows:

	For the Years Ending December 31,
(In thousands, except per share amounts)	2017		2016		2015
Basic:
Income from continuing operations	$	77,809	$	117,121	$	87,299
Loss from discontinued operations, net of taxes		-		-		(3,887	)
Net income attributable to GAMCO Investors, Inc.'s shareholders	$	77,809	$	117,121	$	83,412
Weighted average shares outstanding		28,980		29,182		25,425
Basic net income per share attributable to GAMCO
Investors, Inc.'s shareholders
Continuing operations	$	2.68	$	4.01	$	3.43
Discontinued operations		-		-		(0.15	)
Total	$	2.68	$	4.01	$	3.28
Diluted:
Income from continuing operations	$	77,809	$	117,121	$	87,299
Add interest on convertible notes, net of management fee and taxes		2,604		1,133		-
Total income from continuing operations		80,413		118,254		87,299
Loss from discontinued operations, net of taxes		-		-		(3,887	)
Net income attributable to GAMCO Investors, Inc.'s shareholders	$	80,413	$	118,254	$	83,412
Weighted average share outstanding		28,980		29,182		25,425
Dilutive stock options and restricted stock awards		192		234		286
Assumed conversion of convertible notes		1,775		754		-
Total		30,947		30,170		25,711
Diluted net income per share attributable to GAMCO
Investors, Inc.'s shareholders
Continuing operations	$	2.60	$	3.92	$	3.40
Discontinued operations		-		-		(0.15	)
Total	$	2.60	$	3.92	$	3.24

F. Debt

Debt consists of the following:

	December 31, 2017				December 31, 2016
	Carrying		Fair Value		Carrying		Fair Value
	Value		Level 2		Value		Level 2
(In thousands)
4.5% Convertible note	$	-	$	-	$	109,835	$	111,525
AC 4% PIK Note		50,000		50,572		100,000		100,930
AC 1.6% Note		15,000		14,972		-		-
5.875% Senior notes		24,144		24,543		24,120		24,558
Total	$	89,144	$	90,087	$	233,955	$	237,013

4.5% Convertible Note

On August 15, 2016, the Company issued via a private placement a 5-year, $110 million convertible note (“Convertible Note”) to Cascade Investment, L.L.C.  The note bore interest at a rate of 4.5% per annum and was convertible into shares of the Company’s Class A Common stock (“Class A Stock”) at an initial conversion price of $55.00 per share.  The Convertible Note was initially convertible into two million shares of the Company’s Class A Stock, subject to adjustment pursuant to the terms of the Convertible Note.  The Company was required to repurchase the Convertible Note at the request of the holder on specified dates or after certain circumstances involving a Fundamental Change (as defined in the Convertible Note).  The Company had the option to repurchase, in whole or in part (must be at least 50%), the Convertible Note at $101 on or after February 15, 2019.  At issuance, the Company recorded $174,000 of costs in connection with the issuance of the Convertible Note that was scheduled to be amortized over the five year life.  On November 20, 2017, the Company and the Convertible Note holder agreed to amend the Convertible Note to allow for an early redemption if the Company paid the Convertible Note holder 103% of the unpaid principal plus all accrued but unpaid interest on the redemption date.  On November 21, 2017, the Company redeemed the Convertible Note for $114.6 million.  The payment was equal to 103% of the unpaid principal amount of the note plus accrued interest.  As a result, the Company recorded a loss on extinguishment of debt of $3.3 million and expensed the remaining $135,000 of issuance costs.

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GGCP, Inc. (“GGCP”), which owns approximately 62 % of the equity interest of the Company, initially deposited cash equal to the principal amount of the Note and six months interest (“Initial Deposit”) into an escrow account established pursuant to an escrow agreement by and among GGCP, the Company, the Convertible Note holder and the escrow agent (the “Escrow Agreement”).  In connection with the Initial Deposit made by GGCP, the Company had agreed that GGCP had a right to demand payment in an amount equal to any funds withdrawn from the escrow account by the Convertible Note holder.  On September 30, 2017, in connection with an amendment to the Escrow Agreement and in exchange for approximately 53% of the assets in the escrow account, the Company paid GGCP $60 million.  On November 21, 2017, the Company paid GGCP $53 million for the remaining 47% of the assets in the escrow account that it did not previously own.

AC 4% PIK Note

In connection with the spin-off of AC on November 30, 2015, the Company issued a $250 million promissory note (the “AC 4% PIK Note”) payable to AC.  The AC 4% PIK Note bears interest at 4.0% per annum.  The original principal amount has a maturity date of November 30, 2020.  Interest on the AC 4% PIK Note will accrue from the date of the last interest payment, or if no interest has been paid, from the effective date of the AC 4% PIK Note.  At the election of the Company, payment of interest on the AC 4% PIK Note may be paid in kind (in whole or in part) on the then-outstanding principal amount (a “PIK Amount”) in lieu of cash. All PIK Amounts added to the outstanding principal amount of the AC 4% PIK Note will mature on the fifth anniversary from the date the PIK Amount was added to the outstanding principal of the AC 4% PIK Note.  In no event may any interest be paid in kind subsequent to November 30, 2019.  The Company may prepay the AC 4% PIK Note (in whole or in part) prior to maturity without penalty.

During 2017, the Company prepaid $50 million of principal of the AC 4% PIK Note.  $30 million of the prepayment was applied against the principal amount due on November 30, 2018 and $20 million against the principal amount due on November 30, 2019.  The remaining $50 million principal amount outstanding at December 31, 2017 is due on November 30, 2020.

AC 1.6% Note

On December 26, 2017, the Company borrowed $15 million from AC in exchange for a note that bears interest at 1.6% per annum and is due in full on February 28, 2018.

5.875% Senior Notes

On May 31, 2011, the Company issued $100 million of senior unsecured notes (“Senior Notes”) at par. The net proceeds of $99.1 million are being used for working capital and general corporate purposes, which may include acquisitions and seed investments. The issuance costs of $0.9 million have been capitalized and will be amortized over the term of the debt or pro rata upon a repurchase. The notes mature on June 1, 2021 and bear interest at 5.875% per annum, payable semi-annually on June 1 and December 1 of each year and commenced on December 1, 2011. Upon a change of control triggering event, as defined in the indenture, the Company is required to offer to repurchase the notes at 101% of their principal amount.

On November 18, 2015, the Company commenced a tender offer (the “Offer”) to purchase for cash up to $100 million aggregate principal amount of the Senior Notes at a price of 101% of the principal amount.  $75.8 million of face value Senior Notes were tendered upon the expiration of the Offer.  The tender was accounted for as an extinguishment of debt and resulted in a loss of $0.8 million and is included in extinguishment of debt on the consolidated statements of income.  In connection with the tender, the Company also expensed $0.4 million of pro rata unamortized issuance costs which was included in interest expense on the consolidated statements of income.  At December 31, 2017 and 2016, the debt was recorded at its face value, net of issuance costs, of $24.1 million and $24.1 million, respectively.

Loan from GGCP

In connection with the Offer, the Company borrowed $35.0 million from GGCP.  The loan had a term of one year and bore interest at 90-day LIBOR plus 3.25%, reset and payable quarterly.  On March 18, 2016, the Company paid back $15.0 million of the loan.  During the second quarter of 2016 the Company paid back the remaining $20.0 million of the loan.

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The fair value of the Company’s debt, which is a Level 2 valuation, is estimated based on either quoted market prices for the same or similar issues or on the current rates offered to the Company for debt of the same remaining maturities or using market standard models. Inputs into these models include credit rating, maturity and interest rate.

G.  Equity

Voting Rights

The holders of Class A Stock and Class B Stock have identical rights except that (i) holders of Class A Stock are entitled to one vote per share, while holders of Class B Stock are entitled to ten votes per share on all matters to be voted on by shareholders in general, and (ii) holders of Class A Stock are not eligible to vote on matters relating exclusively to Class B Stock and vice versa.

Stock Award and Incentive Plan

The Company maintains one Plan approved by the shareholders, which is designed to provide incentives which will attract and retain individuals key to the success of GBL through direct or indirect ownership of our common stock. Benefits under the Plan may be granted in any one or a combination of stock options, stock appreciation rights, restricted stock, restricted stock units, stock awards, dividend equivalents and other stock or cash based awards. A maximum of 6.0 million shares of Class A Stock have been reserved for issuance under the Plan by a committee of the Board of Directors responsible for administering the Plan (“Compensation Committee”). Under the Plan, the committee may grant RSAs and either incentive or nonqualified stock options with a term not to exceed ten years from the grant date and at an exercise price that the committee may determine.

There were no RSAs issued during 2017, 2016 or 2015.  As of December 31, 2017 and 2016, there were 19,400 RSA shares and 424,340 RSA shares, respectively, outstanding that were issued at an average grant price of $65.67 per share and $65.74 per share, respectively. The $65.67 per share and $65.74 per share reflect pre AC spin-off stock prices.  All grants of RSAs were recommended by the Company's Chairman, who did not receive a RSA, and approved by the Compensation Committee of the Company's Board of Directors. This expense, net of estimated forfeitures, is recognized over the vesting period for these awards which is either (1) 30% over three years from the date of grant and 70% over five years from the date of grant or (2) 30% over three years from the date of grant and 10% each year over years four through ten from the date of grant. During the vesting period, dividends to RSA holders are held for them until the RSA vesting dates and are forfeited if the grantee is no longer employed by the Company on the vesting dates.  Dividends declared on these RSAs, less estimated forfeitures, are charged to retained earnings on the declaration date.  For RSAs issued by GAMCO prior to the spin-off of AC on November 30, 2015, the Company expenses the portion of the RSAs that correspond to the employee allocation between GAMCO and AC.

During 2015, the Board of Directors accelerated the lapsing of restrictions on the November 2013 grant of RSAs resulting in recognition of $3.5 million in stock compensation expense during 2015 that would have been recorded in 2016 through 2018.

On June 1, 2017, the Compensation Committee of AC accelerated the vesting of all 420,240 AC RSAs outstanding effective June 15, 2017.  As a result, GBL recorded an incremental $3.7 million of stock-based compensation expense for 2017.  This amount related to GBL teammates who held AC RSAs.

On August 7, 2017, the Compensation Committee of GBL accelerated the vesting relating to 201,120 of GBL RSAs outstanding effective August 31, 2017.  As a result, GBL recorded an incremental $1.8 million of stock-based compensation expense for 2017.  On December 27, 2017, the Compensation Committee of GBL accelerated the vesting relating to an additional 144,650 GBL RSAs resulting in an incremental $1.3 million of expense in 2017.

During 2016, in accordance with the deferred compensation agreement with Mr. Gabelli for the full year of 2016, the Company issued 2,314,695 RSUs, based upon the VWAP of the Company’s Class A Stock for 2016 of $32.8187, in satisfaction of Mr. Gabelli’s variable compensation of $75,965,266 for 2016.  These RSUs will vest 100% on January 1, 2020 and are being expensed ratably over the vesting period.  For 2017 and 2016, the Company expensed 25%, or $18,991,316, of this RSU in each year.  The Company will pay Mr. Gabelli an amount equal to the number of RSUs valued at the lesser of the VWAP of the Company’s Class A Stock for 2016 or the value on the lapse date.  Notwithstanding its ability to settle the award in stock, given the Company’s intent to settle it in cash, in accordance with GAAP (ASC 718), the award is accounted for as a liability-classified award and not as an equity-classified award.  The liability is remeasured at fair value on each reporting period from December 31, 2016 until the vesting date.  However, given the cap on the obligation in that Mr. Gabelli will not receive cash in excess of the VWAP of the Company’s Class A Stock for the 2016 fiscal year, the remeasurement of the liability at fair value will never exceed its value determined using that VWAP price.  Therefore, in accordance with GAAP, the Company marked to market the RSU payable on December 31, 2017 and December 31, 2016 to the closing prices of the Company’s Class A Stock of $29.65 and $30.89, respectively.  These mark to market adjustments resulted in a reduction of the RSU expense of $2.6 million and $1.1 million for 2017 and 2016, respectively.

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On December 23, 2016, GAMCO entered into a deferred compensation agreement with Mr. Gabelli whereby his variable compensation for the first half of 2017 will be in the form of RSUs determined by the VWAP of the Company’s Class A Stock during the first half of 2017.  During 2017, in accordance with the deferred compensation agreement with Mr. Gabelli for the first half of 2017, the Company issued 1,244,018 RSUs, based upon the VWAP of the Company’s Class A Stock for the first half of 2017 of $29.6596, in satisfaction of Mr. Gabelli’s variable compensation of $36,897,086 for that period.  The RSUs will vest 100% on July 1, 2018, and the Company intends to settle the award in cash at that time; however, the Company reserves the right to issue shares of the Company’s Class A Stock in lieu of such cash payment.  Under the terms of the agreement the Company will pay Mr. Gabelli an amount equal to the number of RSUs valued at the lesser of the VWAP of the Company’s Class A Stock for the first half of 2017 or the value on the lapse date or, if not a trading day, then the first trading date thereafter.  For GAAP reporting, the Company will recognize the amount of Mr. Gabelli’s 2017 first half compensation ratably over the vesting period, or approximately 67% of the total during 2017 and 33% during 2018.  Notwithstanding its ability to settle the award in stock, given the Company’s intent to settle it in cash, in accordance with GAAP (ASC 718), the award is accounted for as a liability-classified award and not as an equity-classified award.  The liability is remeasured at fair value on each reporting period from June 30, 2017 until the vesting date.  However, given the cap on the obligation in that Mr. Gabelli will not receive cash in excess of the VWAP of the Company’s Class A Stock for the first half of the 2017 fiscal year, the remeasurement of the liability at fair value will never exceed its value determined using that VWAP price.  Therefore, in accordance with GAAP, the Company marked to market the RSU payable on December 31, 2017 to the closing price of the Company’s Class A Stock of $29.65.  This mark to market adjustment resulted in a reduction of the RSU expense of $17,000 for 2017.

On September 30, 2017, GAMCO entered into a deferred compensation agreement with Mr. Gabelli whereby his variable compensation for the fourth quarter of 2017 will be in the form of RSUs determined by the VWAP of the Company’s Class A Stock during the fourth quarter of 2017.  During 2017, in accordance with the deferred compensation agreement with Mr. Gabelli for the fourth quarter of 2017, the Company issued 530,662 RSUs, based upon the VWAP of the Company’s Class A Stock for the fourth quarter of 2017 of $29.1875, in satisfaction of Mr. Gabelli’s variable compensation of $15,488,708 for that period.  The RSUs will vest 100% on April 1, 2019, and the Company intends to settle the award in cash at that time; however, the Company reserves the right to issue shares of the Company’s Class A Stock in lieu of such cash payment.  Under the terms of the agreement the Company will pay Mr. Gabelli an amount equal to the number of RSUs valued at the lesser of the VWAP of the Company’s Class A Stock for the fourth quarter of 2017 or the value on the lapse date or, if not a trading day, then the first trading date thereafter.  For GAAP reporting, the Company will recognize the amount of Mr. Gabelli’s 2017 fourth quarter compensation ratably over the vesting period, or approximately 17% of the total during 2017, 66% during 2018 and 17% during 2019.  Notwithstanding its ability to settle the award in stock, given the Company’s intent to settle it in cash, in accordance with GAAP (ASC 718), the award is accounted for as a liability-classified award and not as an equity-classified award.  The liability is remeasured at fair value on each reporting period from December 31, 2017 until the vesting date.  However, given the cap on the obligation in that Mr. Gabelli will not receive cash in excess of the VWAP of the Company’s Class A Stock for the fourth quarter of the 2017 fiscal year, the remeasurement of the liability at fair value will never exceed its value determined using that VWAP price.  Therefore, in accordance with GAAP, and provided that the closing price of the Company’s Class A Stock of $29.65 was higher than the VWAP price over the fourth quarter of 2017 there was no mark to market adjustment recorded.

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A summary of the stock option and RSA activity for the years ended December 31, 2017 and 2016 is as follows:

	Options				RSAs
								Weighted Average
			Weighted Average					Grant Date
	Shares		Exercise Price		Shares			Fair Value
Outstanding at December 31, 2015		-	$	-		553,100		$	64.02
Granted		-		-		-			-
Forfeited		-		-		(9,300	)		64.85
Exercised / Vested		-		-		(119,460	)		57.86
Outstanding at December 31, 2016		-		-		424,340			65.74
Granted		-		-		-			-
Forfeited		-		-		(4,500	)		78.62
Exercised / Vested		-		-		(400,440	)		65.60
Outstanding at December 31, 2017		-	$	-		19,400		$	65.67
Shares available for future issuance at
December 31, 2017		281,349

The total compensation costs related to non-vested awards not yet recognized is approximately $187,000 as of December 31, 2017. This will be recognized as expense in the following periods (in thousands):

2018		2019		2020		2021
$	187	$	-	$	-	$	-
2022		2023		2024		2025
$	-	$	-	$	-	$	-

For the years ended December 31, 2017, 2016 and 2015, the Company recorded approximately $8.7 million, $4.0 million and $9.9 million, respectively, in stock based compensation expense which resulted in the recognition of tax benefits of approximately $3.3 million, $1.5 million and $3.7 million, respectively. The $8.7 million for the year ended December 31, 2017, includes $6.8 million in stock compensation expense as a result of accelerating 345,770 RSAs.  The $9.9 million for the year ended December 31, 2015, includes $3.5 million in stock compensation expense as a result of accelerating the November 2013 grant of RSAs.  There were no comparable accelerations in the year ended December 31, 2016.

For the years ended December 31, 2015, the Company received approximately $1.2 million from the exercise of stock options which resulted in tax benefits of  $0.1 million.

Stock Repurchase Program

In 1999, the Board of Directors established the Stock Repurchase Program through which the Company has been authorized to purchase up to $9 million of Class A Stock. The Board of Directors authorized 500,000, 500,000 and 425,352 shares in August 2015, May 2017 and August 2017, respectively. In 2017, 2016 and 2015, we repurchased 484,526 shares, 348,687 shares and 426,628 shares, respectively, at an average price of $29.56 per share, $30.88 per share and $63.85 per share, respectively.  Please note, however, 2015 has not been adjusted for the Spin-off.  (For 2015, 413,228 shares were at an average investment of $64.86 per share prior to the distribution of AC on November 30, 2015 and 13,400 shares were at an average price of $32.56 following the distribution of AC.)  There remain 674,294 shares available under this program at December 31, 2017.

Dividends

During 2017, 2016 and 2015, the Company declared dividends of $0.08 per share, $0.08 per share and $0.28 per share, respectively, to class A and class B shareholders totaling $2.4 million, $2.4 million and $7.5 million, respectively. Under the terms of the RSA agreements, we accrue dividends, less estimated forfeitures, for RSA grantees from the date of grant but these dividends are held for grantees who are not entitled to receive dividends until their awards vest and only if they are still employed by the Company at those dates. As of December 31, 2017 and 2016, dividends accrued on RSAs not yet vested were approximately $24,000 and $0.4 million, respectively.

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Shelf Registration

In April 2015, the SEC declared effective the Company’s “shelf” registration statement on Form S-3 giving the Company the flexibility to sell any combination of senior and subordinate debt securities, convertible debt securities and equity securities (including common and preferred securities) up to a total amount of $500 million. The shelf is available through April 2018, at which time it may be renewed.

H. Capital Lease

On December 5, 1997, prior to the Offering in 1999, the Company entered into a fifteen-year lease, expiring on April 30, 2014, of office space from an entity controlled by members of the Chairman's family. On June 11, 2013, the Company modified and extended its lease with M4E, LLC, the Company’s landlord at 401 Theodore Fremd Ave, Rye, NY. The lease term was extended to December 31, 2028, and the base rental remained at $18 per square foot, or $1.1 million, for 2014.  From January 1, 2015 through December 31, 2028, the base rental will be determined by the change in the consumer price index for the New York Metropolitan Area for November of the immediate prior year with the base period as November 2008 for the New York Metropolitan Area.

The lease has been accounted for as a capital lease as it transfers substantially all the benefits and risks of ownership to GBL.  The Company has recorded the leased property as an asset and a capital lease obligation for the present value of the obligation of the leased property.  The leased property is amortized on a straight-line basis from the date of the most recent extension to the end of the lease. The capital lease obligation is amortized over the same term using the interest method of accounting.  Capital lease improvements are amortized from the date of expenditure through the end of the lease term or the useful life, whichever is shorter, on a straight-line basis.  The lease provides that all operating expenses relating to the property (such as property taxes, utilities and maintenance) are to be paid by the lessee, GBL.  These are recognized as expenses in the periods in which they are incurred.  Accumulated amortization on the leased property was approximately $4.9 million and $4.6 million at December 31, 2017 and 2016, respectively.

Future minimum lease payments for this capitalized lease at December 31, 2017 are as follows:

	(In thousands)
2018	$	1,230
2019		1,080
2020		1,080
2021		1,080
2022		1,080
Thereafter		6,480
Total minimum obligations		12,030
Interest		7,075
Present value of net obligations	$	4,955

Lease payments under this agreement amounted to approximately $1.2 million, $1.2 million and $1.2 million for each of the years ended December 31, 2017, 2016 and 2015, respectively. The capital lease contains an escalation clause tied to the change in the New York Metropolitan Area Consumer Price Index which may cause the future minimum payments to exceed $1,080,000 annually. Future minimum lease payments have not been reduced by related minimum future sublease rentals of approximately $1.1 million due over the next six years, which are due from affiliated entities. Total minimum obligations exclude the operating expenses to be borne by the Company, which are estimated to be approximately $0.7 million per year.

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I. Contractual Obligations

We rent office space under leases which expire at various dates through January 31, 2022. Future minimum lease commitments under these operating leases as of December 31, 2017 are as follows:

	(In thousands)
2018	$	808
2019		479
2020		47
2021		47
2022		4
Total	$	1,385

Equipment rentals and occupancy expense amounted to approximately $2.2 million, $2.4 million and $2.3 million for the years ended December 31, 2017, 2016 and 2015, respectively.

J. Charitable Contributions

During 2013, the Company established a Shareholder Designated Charitable Contribution program.  Under the program, each shareholder is eligible to designate a charity to which the Company would make a donation based upon the actual number of shares registered in the shareholder’s name.  Shares held in nominee or street name were not eligible to participate.  The Board of Directors approved one contribution during 2015 of $0.25 per registered share.  During 2015, the Company recorded a charge of $6.4 million, or $0.12 per diluted share, net of management fee and tax benefit related to the contributions which were included in charitable contributions on the consolidated statements of income.  During 2017, the Company recorded a charge of $4.1 million, or $0.08 per diluted share, net of management fee and tax benefit related to contributions which were included in charitable contributions on the consolidated statements of income.

K. Related Party Transactions

The following is a summary of certain related party transactions.

GGCP Holdings LLC owns a majority of our Class B Stock, representing approximately 91% of the combined voting power and 63% of the outstanding shares of our common stock at December 31, 2017.

AC and its subsidiaries, own 4.4 million shares of our Class A Stock, representing approximately 2% of the combined voting power and 15% of the outstanding shares of our common stock at December 31, 2017.

Capital Lease

We lease an approximately 60,000 square foot building located at 401 Theodore Fremd Avenue, Rye, New York as our headquarters (the “Building”) from an entity controlled by members of the Chairman’s family. See Notes H and I.

We sub-lease approximately 3,300 square feet in the Building to LICT Corporation, a company for which Mr. Gabelli serves as Chairman and CEO, which pays rent at the rate of $28 per square foot plus $3 per square foot for electricity, subject to adjustment for increases in taxes and other operating expenses. The total amounts paid in 2017, 2016, and 2015 for rent and other expenses under this lease were $116,756, $116,564, and $119,686, respectively. Concurrent with the extension of the lease on the Building during 2008, we and LICT Corporation further agreed to extend the term of the sub-lease until December 2023 on the same terms and conditions. As of July 1, 2008, we also sub-lease approximately 1,600 square feet in the Building to Teton. Teton pays rent at the rate of $37.75 per square foot plus $3 per square foot for electricity, subject to adjustment for increases in taxes and other operating expenses. The total amount paid in 2017, 2016 and 2015 for rent and other expenses under this lease were $68,293, $68,205 and $69,632, respectively, and were recorded in other operating expenses as a credit on the consolidated statements of income. As of April 1, 2016, we lease approximately 15,000 square feet in the Building to AC.  For the period of April 1, 2016 to March 31, 2017, AC paid rent at the rate of $21.62 per square foot plus $3 per square foot for electricity, subject to adjustment for increases in taxes and other operating expenses.  Effective April 1, 2017, AC paid rent at the rate of $22.03 per square foot plus $3 per square foot for electricity.  The total amount paid in 2017 and 2016 for rent and other expenses under this lease was $367,798 and $297,185 and was recorded in distribution fee and other income on the consolidated statements of income.

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Investment Advisory Services

GAMCO has entered into agreements to provide advisory and administrative services to MJG Associates, Inc., which is wholly-owned by Mr. Gabelli, with respect to the private investment funds managed by them. Pursuant to such agreements, MJG Associates, Inc. paid GAMCO $10,000 (excluding reimbursement of expenses) for each of the years 2017, 2016, and 2015. For 2017, 2016 and 2015, Manhattan Partners I, L.P. and Manhattan Partners II, L.P., investment partnerships for which John Gabelli Inc., an entity owned by John Gabelli, a brother of the Company’s Chairman, is the general partner, paid GAMCO investment advisory fees in the amount of $9,851, $11,274 and $13,595, respectively. In addition, an entity in which Mr. John Gabelli’s wife is the sole shareholder, is the co-general partner of S.W.A.N. Partners, LP (“S.W.A.N.”). S.W.A.N. paid GAMCO investment advisory fees in the amount of $19,776, $18,206 and $20,406 for 2017, 2016 and 2015, respectively, and is included in investment advisory and incentive fees on the consolidated statements of income.  Effective August 17, 2017, John Gabelli Inc. is no longer the general partner of Manhattan Partners I, L.P. or Manhattan Partners II, L.P. and the entity that John Gabelli’s wife is the sole shareholder in is no longer the co-general partner of S.W.A.N.

The Company serves as the investment advisor for the Funds and earns advisory fees based on predetermined percentages of the average net assets of the Funds.  In addition, G.distributors has entered into distribution agreements with each of the Funds.  As principal distributor, G.distributors incurs certain promotional and distribution costs related to the sale of Fund shares, for which it receives a distribution fee from the Funds or reimbursement from the investment advisor.  For 2017, 2016 and 2015, the Company received $39.7 million, $41.0 million and $47.7 million, respectively, in distributions fees.  Advisory and distribution fees receivable from the Funds were approximately $30.4 million and $32.9 million at December 31, 2017 and 2016, respectively.

Pursuant to an agreement between Gabelli & Company Investment Advisers, Inc. (“GCI”) (formerly called Gabelli Securities, Inc.) and Funds Advisor, Funds Advisor pays to GCI 90% of the net revenues received by Funds Advisor related to being the advisor to the SICAV.  Net revenues are defined as gross advisory fees less expenses related to payouts and expenses of the SICAV paid by Funds Advisor.  The amounts paid by Funds Advisor to GCI for 2017,  2016 and 2015 were $2.8 million, $2.7 million and $1.0 million, respectively, and are included in other operating expenses on the consolidated statements of income.

Compensation

Immediately preceding the Offering and in conjunction with the Reorganization, GBL and our Chairman and CEO entered into an employment agreement. This agreement was amended and approved by shareholders on November 30, 2007 and most recently re-approved by shareholders on May 6, 2011.

Under the terms of this agreement and consistent with the firm’s practice since its inception in 1977, Mr. Gabelli will also continue receiving a percentage of revenues or net operating contribution, which are substantially derived from AUM, as compensation relating to or generated by the following activities: (i) managing or overseeing the management of various investment companies and partnerships, (ii) attracting mutual fund shareholders, (iii) attracting and managing Institutional and Private Wealth Management clients, and (iv) otherwise generating revenues for the Company. Such payments are made in a manner and at rates as agreed to from time to time by GAMCO, which rates have been and generally will be the same as those received by other professionals at GAMCO performing similar services. With respect to our Institutional and Private Wealth Management and mutual fund advisory business, we pay out up to 40% of the revenues or net operating contribution to the portfolio managers and marketing staff who introduce, service or generate such business, with payments involving the Institutional and Private Wealth Management accounts being typically based on revenues and payments involving the mutual funds being typically based on net operating contribution.

Mr. Gabelli has agreed that while he is employed by us he will not provide investment management services outside of GAMCO, except for certain permitted accounts as defined under the agreement. The 2008 Employment Agreement may not be amended without the approval of the Compensation Committee and Mr. Gabelli.

The Chairman and CEO receives compensation in the form of a management fee for managing the Company.  Additionally, he earns compensation for acting as portfolio manager and/or attracting and providing client service to a large number of GAMCO's Institutional and Private Wealth Management clients, for creating and acting as portfolio manager of several open-end funds, for creating and acting as portfolio manager of the closed-end funds and for providing other services.

On December 29, 2017, the Company issued $11.7 million of notes payable to certain executive officers and employees relating to compensation earned in 2017.  $5.5 million of the notes are due on January 31, 2018 and $6.2 million are due on February 28, 2018.  The notes are included in compensation payable on the consolidated statement of financial condition.

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Other

On May 31, 2006, the Company entered into an Exchange and Standstill Agreement with Frederick J. Mancheski, a significant shareholder, pursuant to which, among other things, he agreed to exchange his 2,071,635 shares of Class B Stock, which he received on a pari passu basis with his investment in GGCP, for an equal number of shares of Class A Stock. The standstill agreement expired on May 31, 2016. Under the terms of the standstill agreement, Mr. Mancheski agreed, among other things, to vote his shares in favor of the nominees and positions advocated by the Board of Directors. As stated in the latest available Form 13D filed by Mr. Mancheski on July 2, 2015, he continues to exercise voting control over 1,705,974 shares of Class A Stock.

For 2017, 2016, and 2015, we incurred variable costs (but not the fixed costs) of $328,000, $353,000, and $432,000, respectively, for actual usage relating to our use of aircraft in which GGCP owns the fractional interests.

GBL and Teton entered into a transitional administrative and management service agreement in connection with the spin-off of Teton from GBL that formalized certain arrangements. Effective January 1, 2011, Teton and GBL renegotiated the terms of the sub-administration agreement from a flat 0.20% on the average net assets of the mutual funds managed by Teton to 0.20% on the first $370 million in average net assets, 0.12% on the next $630 million in average net assets and 0.10% on average net assets in excess of $1 billion, as compensation for providing mutual fund administration services. Additionally, Teton paid to GBL an administrative services fee of $25,000 per month from April 1, 2014 through September 30, 2016.  The administrative services fee was reduced to $18,750 per month for October 1, 2016 through May 31, 2017, and further reduced to $4,167 per month for June 1, 2017 through December 31, 2017.  During 2017, 2016 and 2015, there was $2.1 million, $2.0 million and $2.2 million, respectively, included in distribution fees and other income on the consolidated statements of income.

Effective January 1, 2014, GAMCO and Funds Advisor each entered into a research services agreement with G.research, LLC, a wholly-owned subsidiary of GCI, for G.research, LLC to provide them with the same types of research services that it provides to its other clients.  For the years ended December 31, 2017, 2016 and 2015, GAMCO paid G.research, LLC $2.3 million, $1.5 million and $0.7 million, respectively. For the years ended December 31, 2017, 2016 and 2015, Funds Advisor paid G.research, LLC $2.3 million, $1.5 million and $0.8 million, respectively.

GBL and AC entered into a transitional administrative and management services agreement in connection with the Spin-off.  The agreement calls for GBL to provide to AC certain services including but not limited to: accounting, financial reporting and consolidation services, including the services of a financial and operations principal; treasury services, including, without limitation, insurance and risk management services and administration of benefits; tax planning, tax return preparation, recordkeeping and reporting services; human resources, including but not limited to the sourcing of permanent and temporary employees as needed, recordkeeping, performance reviews and terminations; legal and compliance advice, including the services of a Chief Compliance Officer; technical/technology consulting; and operations and general administrative assistance, including office space, office equipment and furniture, payroll, procurement, and administrative personnel.  In addition, AC will provide GBL with payroll services.  All services provided under the agreement by GBL to AC or by AC to GBL will be charged at cost.  The agreement is terminable by either party on 30 days’ prior written notice to the other party and has a term of twelve months.

At December 31, 2014, GCI owed GBL a demand loan of $16 million bearing interest at 5.5% annually.  On December 28, 2015, GCI repaid the demand loan in full plus accrued and unpaid interest.  The interest paid by GCI to GBL during 2015 was $0.9 million.

In connection with the spin-off of AC on November 30, 2015, the Company issued the AC 4% PIK Note.  During 2017, 2016 and 2015, GBL recorded interest expense of $3.0 million, $7.7 million and $0.8 million, respectively.  See Note F. Debt for further details.

In connection with the Offer, the Company borrowed $35.0 million from GGCP, which was repaid in full during 2016. During  2016, GBL recorded interest expense of  $415,000.  See Note F. Debt for further details.

On December 27, 2017, GBL borrowed $15 million from AC.  The note bears interest at 1.6% and is due on February 28, 2018.  During 2017, GBL recorded interst expense of $4,000.  See Note F. Debt for further details.

In connection with the issuance of the Convertible Note, GGCP deposited cash equal to the principal amount of the Note and six months interest into an escrow account established pursuant to an escrow agreement by and among GGCP, the Company, the Convertible Note holder and the escrow agent.  The Company paid the annual costs of setting up the escrow account in the amount of $55,000 and will continue to pay them as long as the escrow account is open.  The Company did not pay any fees to GGCP in connection with the funding of the escrow account. On September 30, 2017, in connection with an amendment to the Escrow Agreement and in exchange for approximately 53% of the assets in the escrow account, the Company paid GGCP $60 million.  On November 21, 2017, the Company paid GGCP $53.1 million for the remaining 47% interest in the escrow account and used the entire balance in the escrow account, along with an additional $1.4 million, to repurchase the Convertible Note.  See Note F. Debt for additional details.

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L. Financial Requirements

As a registered broker-dealer, G.distributors is subject to the Uniform Net Capital Rule 15c3-1 (the “Rule”) of the SEC.  These regulatory capital requirements, while not specific encumbrances on assets, restrict the total assets of this subsidiary broker-dealer to the extent they are needed to fulfill the regulatory capital requirements.  Accordingly, this restriction limits the transfer of funds from this subsidiary to the Company in the form of cash dividends or otherwise.  This restriction is 120% of its minimum net capital.  G.distributors computes its net capital under the alternative method permitted by the Rule which requires minimum net capital of $250,000, and it exceeded this requirement at December 31, 2017.

Our subsidiary, GAMCO Asset Management (UK) Limited is authorized and regulated by the Financial Conduct Authority (“FCA”). In February 2011, GAMCO Asset Management (UK) Limited increased its permitted license with the FCA’s predecessor, the Financial Services Authority (“FSA”) and has held Total Capital of £632,000 and £580,000 ($853,000 and $713,000 at December 31, 2017 and 2016, respectively) and had a Financial Resources Requirement of £216,000 and £265,000 ($291,000 and $326,000 at December 31, 2017 and 2016, respectively). We have consistently met or exceeded these minimum requirements.

M. Administration Fees

We have entered into administration agreements with other companies (the “Administrators”), whereby the Administrators provide certain services on behalf of several of the Funds.  Such services do not include the investment advisory and portfolio management services provided by GBL.  The fees were negotiated and based on predetermined percentages of the net assets of each of the Funds.

N. Profit Sharing Plan and Incentive Savings Plan

The Company has a qualified contributory employee profit sharing plan and incentive savings plan covering substantially all employees.  Company contributions to the plans are determined annually by the Board of Directors but may not exceed the amount permitted as a deductible expense under the Internal Revenue Code.  The Company accrued contributions of approximately $109,000, $77,000 and $26,000 to the plans for the years ended December 31, 2017, 2016 and 2015, respectively.

O. Identifiable Intangible Asset

As a result of becoming the advisor to the Gabelli Enterprise Mergers and Acquisitions Fund and the associated consideration paid, the Company maintains an identifiable intangible asset of $1.9 million within other assets on the consolidated statements of financial condition at both December 31, 2017 and 2016.  The investment advisory agreement is subject to annual renewal by the fund's Board of Directors, which the Company expects to be renewed, and the Company does not expect to incur additional expense as a result, which is consistent with other investment advisory agreements entered into by the Company.  The advisory contract for the Gabelli Enterprise Mergers and Acquisitions Fund are next up for renewal in February 2019.  On November 1, 2015, as a result of becoming the advisor to the Bancroft Fund Ltd. and the Ellsworth Growth and Income Fund Ltd. and the associated consideration paid, the Company maintains an identifiable intangible asset of $1.6 million within other assets on the consolidated statement of financial condition at both December 31, 2017 and 2016.  The advisory contracts for the Bancroft Fund Ltd. and the Ellsworth Growth and Income Fund Ltd. are both next up for renewal in November 2018.  At November 30, 2017 and November 30, 2016, management conducted its annual assessments of the recoverability of the intangible assets and determined that there was no impairment of it on GBL’s consolidated financial statements.

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P.  Discontinued Operations

As a result of the Spin-off, the results of AC’s operations through the Spin-off Date, as well as transaction costs related to the Spin-off, have been classified in the consolidated statements of income as discontinued operations for all periods presented.  There was no gain or loss on the Spin-off for the Company, and it was a tax-free spin-off to GBL’s shareholders.

GBL does not have any significant continuing involvement in the operations of AC after the Spin-off, and the Company will not have the ability to influence operating or financial policies of AC.  GBL and AC did have a common Chief Executive Officer for a transition period, and GBL does provide certain services to AC under a Transition Services Agreement (see Note K. Related Party Transactions for details).  The Company also has debt on its consolidated statement of financial condition at December 31, 2017 and 2016 that is payable to AC.  That AC note pays interest at 4%, which is payable in cash or PIK, and will be paid off ratably over five years, or sooner at GBL’s option (see Note F. Debt for details).  AC owns 4.4 million shares of GBL’s Class A Stock on which it will receive dividends, if and when they are declared (see Note K. Related Party Transactions for details).  As with all stockholders, employees and directors of GBL received one share of AC stock for each share of GBL stock that they held on the record date for the distribution.  Some of these AC shares are unvested restricted stock awards to the extent an employee’s holdings consisted of unvested GBL restricted stock awards on the record date.  The vesting provisions remain unchanged (see Note G. Equity for details).

The 2015 results include $2.4 million in costs incurred with respect to the Spin-off and are included in Other operating expenses below.  Operating results for the period from January 1, 2015 through November 30, 2015 are summarized below:

	Year Ended
	December 31,
	2015
Revenues
Investment advisory and incentive fees	$	8,552
Distribution fees and other income		279
Institutional research services		8,973
Total revenues		17,804
Expenses
Compensation		20,500
Stock based compensation		4,716
Management fee		(727	)
Distribution costs		(85	)
Other operating expenses		9,070
Total expenses		33,474
Operating loss		(15,670	)
Other income
Net gain from investments		7,660
Interest and dividend income		2,740
Interest expense		(1,224	)
Total other income, net		9,176
Loss from discontinued operations before income taxes		(6,494	)
Income tax benefit		(2,045	)
Loss from discontinued operations, net of taxes		(4,449	)
Net loss attributable to noncontrolling interests		(562	)
Net loss attributable to GAMCO Investors, Inc.'s
discontinued operations, net of taxes	$	(3,887	)

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Q. Other Matters

From time to time, the Company may be named in legal actions and proceedings.  These actions may seek substantial or indeterminate compensatory as well as punitive damages or injunctive relief.  The Company is also subject to governmental or regulatory examinations or investigations.  The examinations or investigations could result in adverse judgments, settlements, fines, injunctions, restitutions or other relief.  For any such matters, the consolidated financial statements include the necessary provisions for losses that the Company believes are probable and estimable.  Furthermore, the Company evaluates whether there exist losses which may be reasonably possible and, if material, makes the necessary disclosures.  Such amounts, both those that are probable and those that are reasonably possible, are not considered material to the Company’s financial condition, operations or cash flows.

The investment management industry is likely to continue facing a high level of regulatory scrutiny and become subject to additional rules designed to increase disclosure, tighten controls and reduce potential conflicts of interest.  In addition, the SEC has substantially increased its use of focused inquiries which request information from a number of fund complexes regarding particular practices or provisions of the securities laws.  The Company participates in some of these inquiries in the normal course of our business.  Changes in laws, regulations and administrative practices by regulatory authorities, and the associated compliance costs, have increased our cost structure and could in the future have a material impact.

R. Quarterly Financial Information (Unaudited)

Quarterly financial information for the years ended December 31, 2017 and 2016 is presented below.

	2017
	1st		2nd		3rd		4th		Total
(In thousands, except per share data)
Revenues	$	85,917	$	87,600	$	88,341	$	98,666	$	360,524
Operating income		42,443		39,660		23,393		39,524		145,020
Net income attributable to GAMCO
Investors, Inc.'s shareholders		24,820		22,894		16,600		13,495		77,809
Net income attributable to GAMCO
Investors, Inc.'s shareholders per share:
Basic		0.86		0.79		0.57		0.46		2.68
Diluted	$	0.82	$	0.76	$	0.55	$	0.46	$	2.60

	2016
	1st		2nd		3rd		4th		Total
Revenues	$	81,385	$	83,944	$	87,721	$	99,950	$	353,000
Operating income		44,942		46,747		48,076		52,031		191,796
Net income attributable to GAMCO
Investors, Inc.'s shareholders		26,025		27,543		30,861		32,692		117,121
Net income attributable to GAMCO
Investors, Inc.'s shareholders per share:
Basic		0.89		0.94		1.06		1.12		4.01
Diluted	$	0.88	$	0.93	$	1.03	$	1.07	$	3.92

During the fourth quarter of 2017, the Board of Directors accelerated the vesting relating to 144,650 RSAs resulting in recognition of $1.3 million in stock compensation expense, or $0.02 per fully diluted share.

During the fourth quarter of 2017, the Company recorded a $3.3 million loss on early extinguishment of debt when it repurchased the $110 million 4.5% Convertible note due August 15, 2021.

As a result of the enactment of the Tax Cuts and Jobs Act in December 2017, the Company recorded an increase in expense of $8.2 million reflecting the net write-down to its deferred tax assets and deferred tax liabilities.

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S. Subsequent Events

On January 5, 2018, the Compensation Committee of the Board of Directors approved the accelerated vesting of the remaining 19,400 RSAs.  The Company will record an expense of $187,000 during the first quarter of 2018.

On February 6, 2018, the Board of Directors declared a regular quarterly dividend of $0.02 per share to all of its shareholders, payable on March 27, 2018 to shareholders of record on March 13, 2018.

On February 6, 2018, GAMCO and Funds Advisor each renewed their research services agreement with G.research, LLC whereby each entity will pay $1.5 million for the services in 2018.

On February 6, 2018, the Company and AC renewed their sublease for the period of April 1, 2018 to March 31, 2019.  AC will pay rent at the rate of $36.71 per square foot plus $3 per square foot for electricity, subject to adjustment for increases in taxes and other operating expenses.

On February 23, 2018, the Company announced that Mr. Gabelli elected to waive all his compensation that he would otherwise be entitled to under his employment agreement from the period of March 1, 2018 to December 31, 2018.

On February 28, 2018, the Company paid in full the 1.6% $15 million note to AC.

On March 5, 2018, AC completed an exchange offer with respect to its Class A shares.  Tendering shareholders will receive 1.35 GBL Class A shares for each AC Class A share that they tender, together with cash in lieu of any fractional share.  There were approximately 490,000 AC Class A shares tendered and accepted by AC.  AC will deliver approximately 660,000 GBL Class A shares that they hold to the tendering shareholders.  After the exchange, AC and its subsidiaries, own 3.7 million shares of our Class A Stock, representing approximately 2% of the combined voting power and 13% of the outstanding shares of our common stock.

From January 1, 2018 to March 8, 2018, the Company repurchased 59,611 shares at $29.33 per share. As a result, there are 614,683 shares available to be repurchased under our existing buyback plan at March 8, 2018.

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(a) Evaluation of Disclosure Controls and Procedures

The Company maintains a system of disclosure controls and procedures that is designed to provide reasonable assurance that information, which is required to be timely disclosed, is recorded, processed, summarized, and reported to management within the time periods specified in Rules 13a-15(e) and 15d-15(e) of the Securities Exchange Act of 1934, as amended (the “Exchange Act”).  The Company’s Chief Executive Officer and Co-Chief Accounting Officers, after evaluating the effectiveness of the Company’s disclosure controls and procedures (as defined in the Exchange Act) as of the end of the period covered by this report, have concluded that the Company’s disclosure controls and procedures are effective to provide reasonable assurance that information required to be disclosed by the Company in the reports that it files or submits under the Exchange Act is accumulated and communicated to the Company’s management, including its principal executive officer and principal financial officer, as appropriate, to allow timely decisions regarding required disclosure and are effective to provide reasonable assurance that such information is recorded, processed, summarized and reported within the time periods specified in the SEC’s rules and forms.

(b) Management’s Report on Internal Control Over Financial Reporting

GBL's management is responsible for establishing and maintaining adequate internal control over financial reporting, as such term is defined in Rule 13a-15(f) of the Exchange Act.  Management, with the participation of the principal executive officer and under the supervision of the principal financial officers, of the Company conducted an evaluation of the effectiveness of GBL's internal control over financial reporting as of December 31, 2017, as required by Rule 13a-15(c) of the Exchange Act.  There are inherent limitations to the effectiveness of any system of internal control over financial reporting, including the possibility of human error and the circumvention or overriding of the controls and procedures.  Accordingly, even effective internal control over financial reporting controls can only provide reasonable assurance of achieving their control objectives.  In making its assessment of the effectiveness of its internal control over financial reporting, the Company used the criteria set forth by the Committee of Sponsoring Organizations of the Treadway Commission (COSO) in Internal Control-Integrated Framework 2013.

Based on its evaluation, management concluded that, as of December 31, 2017, the Company maintained effective internal control over financial reporting.  The independent registered public accounting firm that audited the consolidated financial statements has issued an attestation report on the Company's internal control over financial reporting.  The report on the audit of internal control over financial reporting is included in Item 8 in this Form 10-K.

(c) Changes in Internal Control Over Financial Reporting

There has been no change in our internal control over financial reporting during the quarter ended December 31, 2017 that has materially affected, or is reasonably likely to materially affect, our internal control over financial reporting.  

ITEM 9B:OTHER INFORMATION

None.

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PART III

ITEM 10: DIRECTORS, EXECUTIVE OFFICERS AND CORPORATE GOVERNANCE

Information regarding the Directors and Executive Officers of GBL and compliance with Section 16(a) of the Securities Exchange Act of 1934 is incorporated herein by reference from the our definitive proxy statement for our 2018 Annual Meeting of Shareholders (the “Proxy Statement”).

GBL has adopted a Code of Business Conduct that applies to all of our officers, directors, full-time and part-time employees and a Code of Conduct that sets forth additional requirements for our principal executive officer, principal financial officers, principal accounting officers or controller, or persons performing similar functions (together, the “Codes of Conduct”).  The Codes of Conduct are posted on our website (www.gabelli.com) and are available in print free of charge to anyone who requests a copy.  Interested parties may address a written request for a printed copy of the Codes of Conduct to: Secretary, GAMCO Investors, Inc., One Corporate Center, Rye, New York 10580-1422.  We intend to satisfy the disclosure requirement regarding any amendment to, or a waiver of, a provision of the Codes of Conduct by posting such information on our website.

In addition to the certifications attached as Exhibits to this Form 10-K, following its 2018 Annual Meeting, GBL also submitted to the New York Stock Exchange (“NYSE”) a certification by our Chief Executive Officer that he is not aware of any violations by GBL of the NYSE corporate governance listing standards as of the date of the certification.

ITEM 11:EXECUTIVE COMPENSATION

Information required by Item 11 is included in our Proxy Statement for the 2018 Annual Meeting of Stockholders and is incorporated herein by reference.

ITEM 12:SECURITY OWNERSHIP OF CERTAIN BENEFICIAL OWNERS AND MANAGEMENT AND RELATED STOCKHOLDER MATTERS

Information required by Item 12 is included in our Proxy Statement for the 2018 Annual Meeting of Stockholders and is incorporated herein by reference.

ITEM 13:CERTAIN RELATIONSHIPS AND RELATED TRANSACTIONS, AND DIRECTOR INDEPENDENCE

Information required by Item 13 is included in our Proxy Statement for the 2018 Annual Meeting of Stockholders and is incorporated herein by reference.

ITEM 14: PRINCIPAL ACCOUNTANT FEES AND SERVICES

The information set forth under the caption “Independent Registered Public Accounting Firm” in our Proxy Statement for the 2018 Annual Meeting of Stockholders is incorporated herein by reference.

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PART IV

ITEM 15:EXHIBITS, FINANCIAL STATEMENT SCHEDULES

  (a)  List of documents filed as part of this Report:

(1) Consolidated Financial Statements and Independent Registered Public Accounting Firm’s Reports included herein:

See Index on page 44.

(2) Financial Statement Schedules

Schedule I is included as exhibit 99.1.

(3) List of Exhibits:

The agreements included or incorporated by reference as exhibits to this Annual Report on Form 10-K contain representations and warranties by each of the parties to the applicable agreement.  These representations and warranties were made solely for the benefit of the other parties to the applicable agreement and (i) were not intended to be treated as categorical statements of fact, but rather as a way of allocating the risk to one of the parties if those statements prove to be inaccurate; (ii) may have been qualified in such agreement by disclosures that were made to the other party in connection with the negotiation of the applicable agreement; (iii) may apply contract standards of “materiality” that are different from “materiality” under the applicable securities laws; and (iv) were made only as of the date of the applicable agreement or such other date or dates as may be specified in the agreement.

The Company acknowledges that, notwithstanding the inclusion of the foregoing cautionary statements, it is responsible for considering whether additional specific disclosures of material information regarding material contractual provisions are required to make the statements in this report not misleading.

Exhibit  Number	Description of Exhibit
2.1	Agreement and Plan of Merger, dated October 14, 2013, between GAMCO Investors, Inc., a New York corporation and GAMCO Investors, Inc., a Delaware corporation. (Incorporated by reference to Exhibit 2.1 to the Company’s Form 8-K dated November 20, 2013 filed with the Securities and Exchange Commission on November 22, 2013).
2.2	Separation and Distribution Agreement, dated November 30, 2015, by and between GAMCO Investors, Inc. and Associated Capital Group, Inc. (Incorporated by reference to Exhibit 2.1 to the Company's Form 8-K dated November 30, 2015 filed with the Securities and Exchange Commission on December 4, 2015).
3.1	Amended and Restated Certificate of Incorporation of GAMCO Investors, Inc. (the “Company”) (Incorporated by reference to Exhibit 3.1 to the Company’s Form 8-K dated November 20, 2013 filed with the Securities and Exchange Commission on November 22, 2013).
3.2	Amended and Restated Bylaws of the Company. (Incorporated by reference to Exhibit 3.2 to the Company’s Report on Form 8-K dated November 20, 2013 filed with the Securities and Exchange Commission on November 22, 2013).
3.3	Amendment No. 1 to Amended and Restated Bylaws of the Company (Incorporated by reference to Exhibit 3.3 to the Company’s Report on Form 8-K dated September 23, 2014 filed with the Securities and Exchange Commission on September 26, 2014).

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4.1	Form of Common Stock Certificate. (Incorporated by reference to Exhibit 4.1 to the Company’s Report on Form 8-K dated November 20, 2013 filed with the Securities and Exchange Commission on November 22, 2013).
4.2	Indenture, dated as of December 31, 2010, between the Company and Computershare Trust Company, N.A., as Trustee (includes form of 0% Subordinated Debenture due 2015). (Incorporated by reference to Exhibit 4.1 to the Company's Report on Form 8-K dated December 31, 2010 filed with the Securities and Exchange Commission on January 6, 2011).
4.3	First Supplemental Indenture, dated as of November 22, 2013, by and between GAMCO Investors, Inc. and, Computershare Trust Company, N.A. as trustee. (Incorporated by reference to Exhibit 4.2 to the Company’s Report on Form 8-K dated November 20, 2013 filed with the Securities and Exchange Commission on November 22, 2013).
4.4	Indenture, dated as of February 6, 2002, between the Company and The Bank of New York, as Trustee. (Incorporated   by reference to Exhibit 4.1 to the Company's Report on Form 8-K dated February 8, 2002 filed with the Securities and Exchange Commission on February 8, 2002).
4.5	Second Supplemental Indenture, dated May 31, 2011, between the Company and The Bank of New York Mellon, as Trustee (includes form of 5.875% Senior Notes due 2021). (Incorporated by reference to Exhibit 4.1 to the Company's Report on Form 8-K dated May 25, 2011 filed with the Securities and Exchange Commission on May 31, 2011).
4.6	Third Supplemental Indenture, dated November 22, 2013, between GAMCO Investors, Inc. and The Bank of New York Mellon, as Trustee. (Incorporated by reference to Exhibit 4.3 to the Company’s Report on Form 8-K dated November 20, 2013 filed with the Securities and Exchange Commission on November 22, 2013).
4.7	Convertible Promissory Note in the amount of $110,000,000, dated August 15, 2016, issued by GAMCO Investors, Inc. to Cascade Investment, L.L.C. (Incorporated by reference to Exhibit 4.1 to the Company's Report on Form 8-K dated August 15, 2016 filed with the Securities and Exchange Commission on August 16, 2016).
4.8	Irrevocable Standby Letter of Credit, dated August 15, 2016, issued by GAMCO Investors, Inc. in favor of GGCP, Inc. (Incorporated by reference to Exhibit 4.2 to the Company's Report on Form 8-K dated August 15, 2016 filed with the Securities and Exchange Commission on August 16, 2016).
10.1	Tax Indemnification Agreement between the Company and GFI. (Incorporated by reference to Exhibit 10.2 to Amendment No. 3 to the Company's Registration Statement on Form S-1 (File No. 333-51023) filed with the Securities and Exchange Commission on January 29, 1999).
10.2	GAMCO Investors, Inc. 2002 Stock Award and Incentive Plan (Incorporated by reference to Exhibit A to the Company's definitive proxy statement on Schedule 14A filed with the Securities and Exchange Commission on April 30, 2002). *

85

10.3	First Amendment to the Company’s 2002 Stock Award and Incentive Plan (Incorporated by reference to Annex D to the Company’s definitive proxy statement on Schedule 14A filed with the Commission on October 30, 2013).*
10.4	Second Amendment to the Company’s 2002 Stock Award and Incentive Plan (Incorporated by reference to Exhibit A to the Company’s definitive proxy statement on Schedule 14A filed with the Commission on April 21, 2016).*
10.5	Third Amendment to the Company’s 2002 Stock Award and Incentive Plan (Incorporated by reference to Exhibit A to the Company’s definitive proxy statement on Schedule 14A filed with the Commission on April 12, 2017).*
10.6	Employment Agreement between the Company and Mario J. Gabelli dated February 6, 2008 (Incorporated by reference to Exhibit 10.1 to the Company's Report on Form 8-K dated February 6, 2008 filed with the Securities and Exchange Commission on February 7, 2008). *
10.7	Service Mark and Name License Agreement, dated November 30, 2015, by and between GAMCO Investors, Inc. and Associated Capital Group, Inc. (Incorporated by reference to Exhibit 10.1 to the Company's Report on Form 8-K dated November 30, 2015 filed with the Securities and Exchange Commission on December 4, 2015).
10.8	Transitional Administrative and Management Services Agreement, dated November 30, 2015, by and between GAMCO Investors, Inc. and Associated Capital Group, Inc. (Incorporated by reference to Exhibit 10.2 to the Company's Report on Form 8-K dated November 30, 2015 filed with the Securities and Exchange Commission on December 4, 2015).
10.9	Promissory note in the amount of $250,000,000, dated November 30, 2015, issued by GAMCO Investors, Inc. to Associated Capital Group, Inc. (Incorporated by reference to Exhibit 10.3 to the Company's Report on Form 8-K dated November 30, 2015 filed with the Securities and Exchange Commission on December 4, 2015).
10.10	Tax Indemnity and Sharing Agreement, dated November 30, 2015, by and between GAMCO Investors, Inc. and Associated Capital Group, Inc. (Incorporated by reference to Exhibit 10.4 to the Company's Report on Form 8-K dated November 30, 2015 filed with the Securities and Exchange Commission on December 4, 2015).
10.11	Restricted Stock Unit Agreement, dated December 21, 2015, by and between GAMCO Investors, Inc. and Mario J. Gabelli. (Incorporated by reference to Exhibit 99.2 to the Company's Report on Form 8-K dated December 21, 2015 filed with the Securities and Exchange Commission on December 28, 2015).
10.12	Note Purchase Agreement, dated August 15, 2016, by and among Cascade Investment, L.L.C., GAMCO Investors, Inc., Mario J. Gabelli and GGCP, Inc. (Incorporated by reference to Exhibit 10.1 to the Company's Report on Form 8-K dated August 15, 2016 filed with the Securities and Exchange Commission on August 16, 2016).
10.13	Registration Rights Agreement, dated August 15, 2016, by and among Cascade Investment, L.L.C. and GAMCO Investors, Inc. (Incorporated by reference to Exhibit 10.2 to the Company's Report on Form 8-K dated August 15, 2016 filed with the Securities and Exchange Commission on August 16, 2016).

86

	10.14	Escrow Agreement, dated August 15, 2016, among GAMCO Investors, Inc., GGCP, Inc., Cascade Investment, L.L.C. and JPMorgan Chase Bank, National Association. (Incorporated by reference to Exhibit 10.3 to the Company's Report on Form 8-K dated August 15, 2016 filed with the Securities and Exchange Commission on August 16, 2016).
	10.15	Restricted Stock Unit Agreement, dated December 23, 2016, by and between GAMCO Investors, Inc. and Mario J. Gabelli. (Incorporated by reference to Exhibit 99.1 to the Company’s Report on Form 8-K dated December 23, 2016 filed with the Securities and Exchange Commission on December 29, 2016).
	10.16	Restricted Stock Unit Agreement, dated September 30, 2017, by and between GAMCO Investors, Inc. and Mario J. Gabelli. (Incorporated by reference to Exhibit 99.1 to the Company’s Report on Form 8-K dated September 30, 2017 filed with the Securities and Exchange Commission on October 5, 2017).
	10.17	$35,000,000 floating rate promissory note due December 28, 2016 in favor of GGCP, Inc. (Incorporated by reference to Exhibit 10.13 to the Company’s Form 10-K for the year ended December 31, 2015 filed with the Securities and Exchange Commission on March 15, 2016).
	10.18	Rights agreement with Mario J. Gabelli (Incorporated by reference to Exhibit 10.14 to the Company’s Form 10-K for the year ended December 31, 2015 filed with the Securities and Exchange Commission on March 15, 2016).
	12.1	Computation of Ratios of Earnings to Fixed Charges.
	21.1	Subsidiaries of the Company.
	23.1	Consent of Independent Registered Public Accounting Firm.
	24.1	Powers of Attorney (included on page 92 of this Report).
	31.1	Certification of CEO pursuant to Rule 13a-14(a).
	31.2	Certification of co-CAO pursuant to Rule 13a-14(a).
	31.3	Certification of co-CAO pursuant to Rule 13a-14(a).
	32.1	Certification of CEO pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.
	32.2	Certification of co-CAOs pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes- Oxley Act of 2002.
	99.1	Schedule I
100.INS		XBRL Instance Document
100.SCH		XBRL Taxonomy Extension Schema Document
100.CAL		XBRL Taxonomy Extension Calculation Linkbase Document
100.DEF		XBRL Taxonomy Extension Definition Linkbase Document
100.LAB		XBRL Taxonomy Extension Label Linkbase Document
100.PRE		XBRL Taxonomy Extension Presentation Linkbase Document

* Compensatory agreements.

ITEM 16:FORM 10-K SUMMARY

None.

87

SIGNATURES

Pursuant to the requirements of Section 13 or 15(d) of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized, in the City of Rye, State of New York, on March 8, 2018.

GAMCO INVESTORS, INC.

By: /s/ Kieran Caterina	By: /s/ Diane M. LaPointe
Name: Kieran Caterina	Name: Diane M. LaPointe
Title: Co-Chief Accounting Officer      (Co-Principal Accounting Officer)	Title: Co-Chief Accounting Officer      (Co-Principal Accounting Officer)
Date: March 8, 2018	Date: March 8, 2018

88

POWER OF ATTORNEY

Each person whose signature appears below hereby constitutes and appoints Kieran Caterina, Kevin Handwerker and Diane M. LaPointe and each of them, their true and lawful attorney-in-fact and agent with full power of substitution and resubstitution, for them in their name, place and stead, in any and all capacities, to sign any and all amendments to this report and to file the same, with all exhibits thereto, and other documents in connection therewith, with the Securities and Exchange Commission, and hereby grants to such attorney-in-fact and agent full power and authority to do and perform each and every act and thing requisite and necessary to be done, as fully to all intents and purposes as he might or could do in person, hereby ratifying and confirming all that said attorney-in-fact and agent or his substitute or substitutes may lawfully do or cause to be done by virtue hereof.

Pursuant to the requirements of the Securities Exchange Act of 1934, this report has been signed by the following persons in the capacities and on the dates indicated.

Signature	Title	Date
/s/ Mario J. Gabelli	Chairman of the Board,	March 8, 2018
Mario J. Gabelli	Chief Executive Officer
	(Principal Executive Officer)
	and Director
/s/ Kieran Caterina	Co-Chief Accounting	March 8, 2018
Kieran Caterina	Officer (Co-Principal
	Accounting Officer)
/s/ Diane M. LaPointe	Co-Chief Accounting	March 8, 2018
Diane M. LaPointe	Officer (Co-Principal
	Accounting Officer)
/s/ Edwin L. Artzt	Director	March 8, 2018
Edwin L. Artzt
/s/ Raymond C. Avansino, Jr.	Director	March 8, 2018
Raymond C. Avansino, Jr.
/s/ Leslie B. Daniels	Director	March 8, 2018
Leslie B. Daniels
/s/ Eugene R. McGrath	Director	March 8, 2018
Eugene R. McGrath
/s/ Robert S. Prather, Jr.	Director	March 8, 2018
Robert S. Prather, Jr.
/s/ Elisa M. Wilson	Director	March 8, 2018
Elisa M. Wilson

89

EX-12.1

Exhibit 12.1

Computation of Ratios of Earnings to Fixed Charges

The following table sets forth certain information regarding our consolidated ratio of earnings to fixed charges for the five-year period ended December 31, 2017.

	Year Ending December 31,
	2017		2016		2015		2014		2013
(In thousands, except ratio data)
Income before taxes	$	132,888	$	182,227	$	139,025	$	168,283	$	143,007
Fixed charges		10,202		12,716		8,672		7,687		10,066
Adjusted earnings		143,090		194,943		147,697		175,970		153,073
Interest expense		10,160		12,674		8,636		7,653		10,033
Interest portion of operating leases		42		42		36		34		33
Fixed charges	$	10,202	$	12,716	$	8,672	$	7,687	$	10,066
Ratio of earnings to fixed charges (a)		14.0		15.3		17.0		22.9		15.2

(a) These ratios were calculated by dividing the sum of fixed charges into the sum of earnings before taxes and fixed charges. Fixed charges for these purposes consist of all interest expense and the approximate portion of rental expense representing interest.

EX-21.1

Exhibit 21.1

Subsidiaries of GAMCO Investors, Inc.

The following table lists the direct and indirect subsidiaries of GAMCO Investors, Inc. (the “Company”), except those investment partnerships and offshore funds which are consolidated. In accordance with Item 601 (21) of Regulation S-K, the omitted subsidiaries considered in the aggregate as a single subsidiary would not constitute a “significant subsidiary” as defined under Rule 1-02(w) of Regulation S-X.

Name	Jurisdiction of Incorporation or Organization
Gabelli Funds, LLC	New York
(100%-owned by the Company)
GAMCO Asset Management Inc.	New York
(100%-owned by the Company)
Gabelli Fixed Income, Inc.	New York
(100%-owned by the Company)
GAMCO Asset Management (UK) Limited	United Kingdom
(100%-owned by the Company)
Gabelli Fixed Income L.L.C.	Delaware
(100%-owned by Gabelli Fixed Income, Inc.)
GAMCO Acquisition LLC	New York
(100%-owned by the Company)
Distributors Holdings, Inc.	Delaware
(100%-owned by GAMCO Asset Management Inc.)
G.distributors, LLC	Delaware
(100%-owned by Distributors Holdings, Inc.)
Gabelli Japan K.K.	Japan
(100%-owned by the Company)

EX-23.1

Exhibit 23.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the incorporation by reference in the following Registration Statements of GAMCO Investors, Inc. and subsidiaries (“GAMCO”) of our reports dated March 8, 2018, relating to the consolidated financial statements and financial statement schedule of GAMCO, and the effectiveness of GAMCO’s internal control over financial reporting, appearing in this Annual Report on Form 10-K of GAMCO Investors, Inc. for the year ended December 31, 2017. 

1)	Registration Statement (Form S-3 No. 333-136428) of GAMCO Investors, Inc. and subsidiaries,
2)	Registration Statement (Form S-3 No. 333-141446) of GAMCO Investors, Inc. and subsidiaries,
3)	Registration Statement (Form S-3 No. 333-203352) of GAMCO Investors, Inc. and subsidiaries,
4)	Registration Statement (Form S-3 No. 333-148046) of GAMCO Investors, Inc. and subsidiaries,
5)	Registration Statement (Form S-3 No. 333-102935) of GAMCO Investors, Inc. and subsidiaries,
6)	Registration Statement (Form S-3 No. 333-221394) of GAMCO Investors, Inc. and subsidiaries,
7)	Registration Statement (Form S-8 No. 333-126095) pertaining to the 2002 Stock Award and Incentive Plan of GAMCO Investors, Inc. and subsidiaries,
8)	Registration Statement (Form S-8 No. 333-172427) pertaining to the 2002 Stock Award and Incentive Plan of GAMCO Investors, Inc. and subsidiaries,
9)	Registration Statement (Form S-8 No. 333-192525) pertaining to the 2002 Stock Award and Incentive Plan of GAMCO Investors, Inc. and subsidiaries.

/s/  Deloitte & Touche LLP

New York, New York

March 8, 2018

EX-31.1

Exhibit 31.1

Certifications

I, Mario J. Gabelli, certify that:

1.I have reviewed this annual report on Form 10-K of GAMCO Investors, Inc.;

2.Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3.Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4.The registrant's other certifying officers and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

a) Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

b) Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

c) Evaluated the effectiveness of the registrant's disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

d) Disclosed in this report any change in the registrant's internal control over financial reporting that occurred during the registrant's most recent fiscal quarter (the registrant's fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant's internal control over financial reporting; and

5.The registrant's other certifying officers and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant's auditors and the audit committee of the registrant's board of directors (or persons performing the equivalent functions):

a) All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant's ability to record, process, summarize and report financial information; and

b) Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant's internal control over financial reporting.

By:	/s/ Mario J. Gabelli
Name:	Mario J. Gabelli
Title:	Chief Executive Officer
Date:	March 8, 2018

EX-31.2

Exhibit 31.2

Certifications

I, Kieran Caterina, certify that:

1.I have reviewed this annual report on Form 10-K of GAMCO Investors, Inc.;

2.Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3.Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4.The registrant's other certifying officers and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

a) Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

b) Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

c) Evaluated the effectiveness of the registrant's disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

d) Disclosed in this report any change in the registrant's internal control over financial reporting that occurred during the registrant's most recent fiscal quarter (the registrant's fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant's internal control over financial reporting; and

5.The registrant's other certifying officers and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant's auditors and the audit committee of the registrant's board of directors (or persons performing the equivalent functions):

a) All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant's ability to record, process, summarize and report financial information; and

b) Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant's internal control over financial reporting.

By:	/s/ Kieran Caterina
Name:	Kieran Caterina
Title:	SVP and Co-Chief Accounting Officer
Date:	March 8, 2018

EX-31.3

Exhibit 31.3

Certifications

I, Diane M. LaPointe, certify that:

1.I have reviewed this annual report on Form 10-K of GAMCO Investors, Inc.;

2.Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3.Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4.The registrant's other certifying officers and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

a) Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

b) Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

c) Evaluated the effectiveness of the registrant's disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

d) Disclosed in this report any change in the registrant's internal control over financial reporting that occurred during the registrant's most recent fiscal quarter (the registrant's fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant's internal control over financial reporting; and

5.The registrant's other certifying officers and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant's auditors and the audit committee of the registrant's board of directors (or persons performing the equivalent functions):

a) All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant's ability to record, process, summarize and report financial information; and

b) Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant's internal control over financial reporting.

By:	/s/ Diane M. LaPointe
Name:	Diane M. LaPointe
Title:	SVP and Co-Chief Accounting Officer
Date:	March 8, 2018

EX-32.1

Exhibit 32.1

Certification of CEO Pursuant to

18 U.S.C. Section 1350,

as Adopted Pursuant to

Section 906 of the Sarbanes-Oxley Act of 2002

In connection with the Annual Report on Form 10-K of GAMCO Investors, Inc. (the “Company”) for the year ended December 31, 2017 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), Mario J. Gabelli, as Chief Executive Officer of the Company, hereby certifies, pursuant to 18 U.S.C. § 1350, as adopted pursuant to § 906 of the Sarbanes-Oxley Act of 2002, that, to the best of his knowledge:

(1) The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

(2) The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

By:	/s/ Mario J. Gabelli
Name:	Mario J. Gabelli
Title:	Chief Executive Officer
Date:	March 8, 2018

This certification accompanies the Report pursuant to § 906 of the Sarbanes-Oxley Act of 2002 and shall not, except to the extent required by the Sarbanes-Oxley Act of 2002, be deemed filed by the Company for purposes of §18 of the Securities Exchange Act of 1934, as amended.

EX-32.2

Exhibit 32.2

Certification of Co-CAOs Pursuant to

18 U.S.C. Section 1350,

as Adopted Pursuant to

Section 906 of the Sarbanes-Oxley Act of 2002

In connection with the Annual Report on Form 10-K of GAMCO Investors, Inc. (the “Company”) for the year ended December 31, 2017 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), Kieran Caterina and Diane M. LaPointe, as Co-Chief Accounting Officers of the Company, hereby certify, pursuant to 18 U.S.C. § 1350, as adopted pursuant to § 906 of the Sarbanes-Oxley Act of 2002, that, to the best of their knowledge:

(1) The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

(2) The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

By:	/s/ Kieran Caterina	By:	/s/ Diane M. LaPointe
Name:	Kieran Caterina	Name:	Diane M. LaPointe
Title:	SVP and Co-Chief Accounting Officer	Title:	SVP and Co-Chief Accounting Officer
Date:	March 8, 2018	Date:	March 8, 2018

This certification accompanies the Report pursuant to § 906 of the Sarbanes-Oxley Act of 2002 and shall not, except to the extent required by the Sarbanes-Oxley Act of 2002, be deemed filed by the Company for purposes of §18 of the Securities Exchange Act of 1934, as amended.

EX-99.1

Exhibit 99.1

Schedule I

GAMCO INVESTORS, INC.

CONDENSED STATEMENTS OF INCOME

(Parent company only)

(In thousands, except per share data)

	Year Ended December 31,
	2017			2016			2015
Revenues
Distribution fees and other income	$	25,468		$	29,045		$	26,860
Total revenues		25,468			29,045			26,860
Expenses
Compensation		1,469			1,929			3,550
Stock based compensation		8,670			3,959			9,868
Management fee benefit		(3,082	)		(13,943	)		(2,209	)
Other operating expenses		7,329			9,102			9,243
Total expenses		14,386			1,047			20,452
Operating income		11,082			27,998			6,408
Other income (expense)
Equity earnings from subsidiaries		72,001			100,698			87,206
Net gain from investments		3,230			1,447			4,635
Extinguishment of debt		(3,300	)		-			(1,067	)
Interest and dividend income		1,703			1,447			2,246
Interest expense		(9,347	)		(11,814	)		(7,886	)
Charitable contributions		(4,137	)		-			(6,396	)
Total other income, net		60,150			91,778			78,738
Income before income taxes		71,232			119,776			85,146
Income tax provision/(benefit)		(6,577	)		2,655			(2,204	)
Income from continuing operations		77,809			117,121			87,350
Loss from discontinued operations, net of taxes		-			-			(3,938	)
Net income	$	77,809		$	117,121		$	83,412

GAMCO INVESTORS, INC.

CONDENSED STATEMENTS OF FINANCIAL CONDITION

(Parent company only)

(In thousands, except per share data)

	December 31,
	2017			2016
ASSETS
Cash and cash equivalents	$	5,990		$	7,209
Investments in securities		36,750			37,235
Receivable from brokers		1,246			55
Investment in subsidiaries and receivable from affiliates		108,669			57,274
Capital lease		2,304			2,514
Income tax receivable		77,832			-
Other assets		3,655			4,149
Total assets	$	236,446		$	108,436
LIABILITIES AND EQUITY
Payable to brokers	$	14,926		$	66
Capital lease obligation		4,943			5,066
Compensation payable		73,275			27,496
Payable to affiliates		134,318			462
Accrued expenses and other liabilities		16,113			5,556
Sub-total		243,575			38,646
AC 4% PIK Note (due November 30, 2020)		50,000			100,000
4.5% Convertible note (due August 15, 2021)		-			109,835
AC 1.6% Note Payable (due February 28, 2018)		15,000			-
5.875% Senior notes (due June 1, 2021)		24,144			24,120
Total liabilities		332,719			272,601
Total equity (deficit)		(96,273	)		(164,165	)
Total liabilities and equity	$	236,446		$	108,436

GAMCO INVESTORS, INC.

CONDENSED STATEMENTS OF CASH FLOWS

(Parent company only)

(In thousands)

	Year Ended December 31,
	2017			2016			2015
Operating activities
Net income	$	77,809		$	117,121		$	83,412
Loss from discontinued operations, net of taxes		-			-			3,938
Income from continuing operations		77,809			117,121			87,350
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization		570			607			595
Stock based compensation expense		8,670			3,959			9,868
Tax benefit from exercise of stock options		-			-			102
Donated securities		1,124			499			1,945
Gains on sales of available for sale securities		(62	)		(4	)		(6	)
Accretion of zero coupon debentures		-			-			628
Loss on extinguishment of debt		3,300			-			1,067
(Increase) decrease in assets:
Investments in trading securities		(1	)		(5	)		-
Receivable from affiliates		(53,797	)		(25,510	)		(31,205	)
Receivable from brokers		(1,192	)		580			976
Income tax receivable and deferred tax assets		(77,832	)		11,991			29,164
Other assets		136			(330	)		(478	)
Increase (decrease) in liabilities:
Payable to affiliates		133,856			(30,567	)		31,017
Payable to brokers		(990	)		54			(539	)
Income taxes payable and deferred tax liabilities		12,281			(1,137	)		3,920
Compensation payable		45,779			16,351			(3,319	)
Accrued expenses and other liabilities		(2,205	)		(700	)		(424	)
Total adjustments		69,637			(24,212	)		43,311
Net cash provided by operating activities from continuing operations	$	147,446		$	92,909		$	130,661

GAMCO INVESTORS, INC.

CONDENSED STATEMENTS OF CASH FLOWS

(Parent company only)

(In thousands)

	Year Ended December 31,
	2017			2016			2015
Investing activities
Purchases of available for sale securities	$	(3,932	)	$	(1,843	)	$	(6,279	)
Proceeds from sales of available for sale securities		4,169			408			81
Net cash provided by/(used in) investing activities from continuing operations		237			(1,435	)		(6,198	)
Financing activities
Repurchase of Zero coupon subordinated debentures due December 31, 2015		-			-			(13,101	)
Repurchase of 5.875% Senior note due June 1, 2021		-			-			(76,533	)
Repayment of AC 4% PIK Note due November 30, 2020		(50,000	)		(150,000	)		-
Issuance of 4.5% Convertible note due August 15, 2021		-			109,826			-
Repayment of 4.5% Convertible note due August 15, 2021		(113,300	)		-			-
Repayment of GGCP loan due December 28, 2016		-			(35,000	)		-
Proceeds from GGCP due December 28, 2016		-			-			35,000
Proceeds from 1.6% AC Note de February 28, 2018		15,000			-			-
Margin loan borrowings		20,850			-			-
Margin loan repayments		(5,000	)		-			-
Amortization of debt issuance costs		187			33			-
Dividends paid by subsidiaries to GBL		-			-			164,000
Net transfer to AC		-			-			(196,297	)
Proceeds from exercise of stock options		-			-			1,167
Dividends paid		(2,315	)		(2,333	)		(7,468	)
Purchase of treasury stock		(14,324	)		(10,773	)		(27,249	)
Net cash used in financing activities from continuing operations		(148,902	)		(88,247	)		(120,481	)
Cash flows of discontinued operations
Net cash provided by operating activities		-			-			82,759
Net cash used in investing activities		-			-			(35,216	)
Net cash used in financing activities		-			-			(47,543	)
Net cash provided by/(used in) discontinued operations		-			-			-
Net increase (decrease) in cash and cash equivalents		(1,219	)		3,227			3,982
Cash and cash equivalents at beginning of period		7,209			3,982			-
Cash and cash equivalents at end of period	$	5,990		$	7,209		$	3,982
Supplemental disclosures of cash flow information:
Cash paid for interest	$	10,891		$	10,425		$	6,282
Cash paid for taxes	$	61,704		$	74,457		$	58,353

XML

Document and Entity Information - USD ($)	12 Months Ended
	Dec. 31, 2017	Mar. 01, 2018	Jun. 30, 2017
Entity Information [Line Items]
Entity Registrant Name	GAMCO INVESTORS, INC. ET AL
Entity Central Index Key	0001060349
Current Fiscal Year End Date	--12-31
Entity Well-known Seasoned Issuer	No
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Filer Category	Accelerated Filer
Entity Public Float			$ 165,809,758
Document Fiscal Year Focus	2017
Document Fiscal Period Focus	FY
Document Type	10-K
Amendment Flag	false
Document Period End Date	Dec. 31, 2017
Class A [Member]
Entity Information [Line Items]
Entity Common Stock, Shares Outstanding		9,898,371
Class B [Member]
Entity Information [Line Items]
Entity Common Stock, Shares Outstanding		19,024,404

XML

CONSOLIDATED STATEMENTS OF INCOME - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Revenues
Investment advisory and incentive fees	$ 316,705	$ 308,459	$ 329,965
Distribution fees and other income	43,819	44,541	51,011
Total revenues	360,524	353,000	380,976
Expenses
Compensation	125,501	82,613	136,503
Stock based compensation	8,669	3,959	9,868
Management fee	13,666	6,518	15,503
Distribution costs	44,447	44,189	51,990
Other operating expenses	23,221	23,925	19,163
Total expenses	215,504	161,204	233,027
Operating income	145,020	191,796	147,949
Other income (expense)
Net gain from investments	3,115	1,594	4,953
Extinguishment of debt	(3,300)	0	(1,067)
Interest and dividend income	2,350	1,511	2,222
Interest expense	(10,160)	(12,674)	(8,636)
Shareholder-designated contributions	(4,137)	0	(6,396)
Total other income (expense), net	(12,132)	(9,569)	(8,924)
Income before income taxes	132,888	182,227	139,025
Income tax provision	55,079	65,106	51,726
Income from continuing operations	77,809	117,121	87,299
Loss from discontinued operations, net of taxes	0	0	(3,887)
Net income attributable to GAMCO Investors, Inc.'s shareholders	$ 77,809	$ 117,121	$ 83,412
Net income per share attributable to GAMCO Investors, Inc.'s shareholders:
Basic - Continuing operations (in dollars per share)	$ 2.68	$ 4.01	$ 3.43
Basic - Discontinued operations (in dollars per share)	0	0	(0.15)
Basic - Total (in dollars per share)	2.68	4.01	3.28
Diluted - Continuing operations (in dollars per share)	2.60	3.92	3.40
Diluted - Discontinued operations (in dollars per share)	0	0	(0.15)
Diluted - Total (in dollars per share)	$ 2.60	$ 3.92	$ 3.24
Weighted average shares outstanding:
Basic (in shares)	28,980	29,182	25,425
Diluted (in shares)	30,947	30,170	25,711
Actual shares outstanding (in shares)	28,974	29,463	29,821

XML

CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME [Abstract]
Net income attributable to GAMCO Investors, Inc.'s shareholders		$ 77,809	$ 117,121	$ 83,412
Other comprehensive gain/(loss), net of tax:
Foreign currency translation		82	(164)	(46)
Net unrealized gains/(losses) on securities available for sale	[1]	523	2,320	(8,300)
Other comprehensive income/(loss)		605	2,156	(8,346)
Comprehensive income attributable to GAMCO Investors, Inc. shareholders		$ 78,414	$ 119,277	$ 75,066

[1] Net of income tax expense (benefit) of $290, $1,363 and ($4,875) for 2017, 2016 and 2015, respectively.

XML

CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Parenthetical) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME [Abstract]
Net unrealized gains/(losses) on securities available for sale, net of income tax expense (benefit)	$ 290	$ 1,363	$ (4,875)

XML

CONSOLIDATED STATEMENTS OF FINANCIAL CONDITION - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
ASSETS
Cash and cash equivalents	$ 17,821	$ 39,812
Investments in securities	36,790	37,285
Receivable from brokers	1,578	453
Investment advisory fees receivable	38,712	43,736
Investment in subsidiaries and receivable from affiliates	5,635	5,960
Capital lease	2,304	2,514
Goodwill and identifiable intangible assets	3,765	3,765
Income taxes receivable and deferred tax assets	15,615	9,349
Other assets	6,066	6,355
Total assets	128,286	149,229
LIABILITIES AND EQUITY
Payable to brokers	14,926	66
Income taxes payable and deferred tax liabilities	3,128	3,815
Capital lease obligation	4,943	5,066
Compensation payable	82,907	42,384
Payable to affiliates	855	1,412
Accrued expenses and other liabilities	28,656	29,178
Sub-total	135,415	81,921
AC 4% PIK Note (due November 30, 2020) (Note F)	50,000	100,000
4.5% Convertible note (due August 15, 2021) (Note F)	0	109,835
5.875% Senior notes (due June 1, 2021) (Note F)	24,144	24,120
AC 1.6% Note (due February 28, 2018) (Note F)	15,000	0
Total liabilities	224,559	315,876
Commitments and contingencies (Note I)
Equity:
Preferred stock, $.001 par value; 10,000,000 shares authorized; none issued and outstanding	0	0
Additional paid-in capital	12,572	3,903
Retained earnings	155,939	80,515
Accumulated comprehensive income	11,876	11,271
Treasury stock, at cost (5,592,007 and 5,107,481 shares, respectively)	(276,693)	(262,369)
Total deficit	(96,273)	(166,647)
Total liabilities and equity	128,286	149,229
Class A [Member]
Equity:
Common stock	14	14
Class B [Member]
Equity:
Common stock	$ 19	$ 19

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CONSOLIDATED STATEMENTS OF FINANCIAL CONDITION (Parenthetical) - $ / shares	3 Months Ended	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2017	Dec. 31, 2016
Equity:
Preferred stock, par value (in dollars per share)	$ 0.001	$ 0.001	$ 0.001
Preferred stock, shares authorized (in shares)	10,000,000	10,000,000	10,000,000
Preferred stock, shares issued (in shares)	0	0	0
Preferred stock, shares outstanding (in shares)	0	0	0
Treasury stock, shares (in shares)	5,592,007	5,592,007	5,107,481
Class A [Member]
Equity:
Common stock, par value (in dollars per share)	$ 0.001	$ 0.001	$ 0.001
Common stock, shares authorized (in shares)	100,000,000	100,000,000	100,000,000
Common stock, shares issued (in shares)	15,541,489	15,541,489	15,477,082
Common stock, shares outstanding (in shares)	9,949,482	9,949,482	10,369,601
Class B [Member]
Equity:
Common stock, par value (in dollars per share)	$ 0.001	$ 0.001	$ 0.001
Common stock, shares authorized (in shares)	100,000,000	100,000,000	100,000,000
Common stock, shares issued (in shares)	24,000,000	24,000,000	24,000,000
Common stock, shares outstanding (in shares)	19,024,404	19,024,404	19,093,311
4.5% Convertible Notes [Member]
LIABILITIES AND EQUITY
Debt instrument, interest rate	4.50%	4.50%
Debt instrument, maturity date	Aug. 15, 2021	Aug. 15, 2021
AC 4% PIK Note [Member]
LIABILITIES AND EQUITY
Debt instrument, interest rate	4.00%	4.00%
Debt instrument, maturity date		Nov. 30, 2020
Loan from GGCP [Member]
LIABILITIES AND EQUITY
Debt instrument, maturity date		Dec. 28, 2016
5.875% Senior Notes [Member]
LIABILITIES AND EQUITY
Debt instrument, interest rate	5.875%	5.875%
Debt instrument, maturity date		Jun. 01, 2021
AC 1.6% Note [Member]
LIABILITIES AND EQUITY
Debt instrument, interest rate	1.60%	1.60%
Debt instrument, maturity date		Feb. 28, 2018

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CONSOLIDATED STATEMENTS OF EQUITY - USD ($) $ in Thousands	Noncontrolling Interests [Member]	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings (Deficit) [Member]	Accumulated Comprehensive Income [Member]	Treasury Stock [Member]	Total	Redeemable Noncontrolling Interests [Member]
Balance at Dec. 31, 2014	$ 2,734	$ 33	$ 291,681	$ 602,950	$ 25,014	$ (394,617)	$ 527,795	$ 68,334
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Redemptions of noncontrolling interests	0	0	0	0	0	0	0	0
Contributions from redeemable noncontrolling interests	0	0	0	0	0	0	0	0
Net income	0	0	0	83,412	0	0	83,412	0
Net unrealized gains (losses) on securities available for sale, net of income tax expense (benefit)	0	0	0	0	(5,471)	0	(5,471)	0
Amounts reclassified from accumulated other comprehensive income, net of income tax expense (benefit)	0	0	0	0	(2,829)	0	(2,829)	0
Foreign currency translation	0	0	0	0	(46)	0	(46)	0
Dividends declared	0	0	0	(7,477)	0	0	(7,477)	0
Stock based compensation expense	0	0	9,868	0	0	0	9,868	0
Reduction of deferred tax asset for excess of recorded RSA tax benefit over actual tax benefit	0	0	(1,190)	0	0	0	(1,190)	0
Exercise of stock options including tax benefit ($102)	0	0	1,269	0	0	0	1,269	0
Purchase of treasury stock	0	0	0	0	0	(27,249)	(27,249)	0
Issuance of 4.4 million treasury shares to GSI	0	0	(20,270)	0	0	170,270	150,000	0
Spin-off of AC	(2,734)	0	(281,013)	(713,109)	(7,553)	0	(1,004,409)	(68,334)
Balance at Dec. 31, 2015	$ 0	33	345	(34,224)	9,115	(251,596)	(276,327)	$ 0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income		0	0	117,121	0	0	117,121
Net unrealized gains (losses) on securities available for sale, net of income tax expense (benefit)		0	0	0	3,111	0	3,111
Amounts reclassified from accumulated other comprehensive income, net of income tax expense (benefit)		0	0	0	(791)	0	(791)
Foreign currency translation		0	0	0	(164)	0	(164)
Dividends declared		0	0	(2,382)	0	0	(2,382)
Stock based compensation expense		0	3,959	0	0	0	3,959
Reduction of deferred tax asset for excess of recorded RSA tax benefit over actual tax benefit		0	(401)	0	0	0	(401)
Purchase of treasury stock		0	0	0	0	(10,773)	(10,773)
Balance at Dec. 31, 2016		33	3,903	80,515	11,271	(262,369)	(166,647)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income		0	0	77,809	0	0	77,809
Net unrealized gains (losses) on securities available for sale, net of income tax expense (benefit)		0	0	0	2,492	0	2,492
Amounts reclassified from accumulated other comprehensive income, net of income tax expense (benefit)		0	0	0	(1,969)	0	(1,969)
Foreign currency translation		0	0	0	82	0	82
Dividends declared		0	0	(2,385)	0	0	(2,385)
Stock based compensation expense		0	8,669	0	0	0	8,669
Purchase of treasury stock		0	0	0	0	(14,324)	(14,324)
Balance at Dec. 31, 2017		$ 33	$ 12,572	$ 155,939	$ 11,876	$ (276,693)	$ (96,273)

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CONSOLIDATED STATEMENTS OF EQUITY (Parenthetical) - USD ($) $ in Thousands, shares in Millions	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
CONSOLIDATED STATEMENTS OF EQUITY [Abstract]
Net unrealized gains on securities available for sale, income tax expense (benefit)	$ 1,446	$ 1,857	$ (3,213)
Amount reclassified from accumulated and other comprehensive income, income tax expense (benefit)	$ (1,156)	$ (464)	$ (1,662)
Dividends declared (in dollars per share)	$ 0.08	$ 0.08	$ 0.28
Tax benefit from exercise of stock options			$ 102
Issuance of treasury shares (in shares)			4.4

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CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Operating activities
Net income attributable to GAMCO Investors, Inc.'s shareholders	$ 77,809	$ 117,121	$ 83,412
Loss/(income) from discontinued operations, net of taxes	0	0	3,887
Income from continuing operations	77,809	117,121	87,299
Adjustments to reconcile net income to net cash provided by operating activities from continuing operations:
Depreciation and amortization	595	625	618
Stock based compensation expense	8,669	3,959	9,868
Deferred income taxes	(5,451)	(5,537)	1,166
Tax benefit from exercise of stock options	0	0	102
Foreign currency translation gain/(loss)	82	(164)	(46)
Donated securities	1,124	499	1,945
Gains on sales of available for sale securities	(62)	(4)	(6)
Accretion of zero coupon debentures	0	0	628
Loss on extinguishment of debt	3,300	0	1,067
Acquisition of identifiable intangible asset	0	0	(1,661)
(Increase) decrease in assets:
Investments in trading securities	8	186	(240)
Receivable from affiliates	329	(927)	21,393
Receivable from brokers	(1,125)	638	592
Investment advisory fees receivable	5,024	(12,688)	6,679
Income tax receivable and deferred tax assets	(6,267)	(2,562)	(4,354)
Other assets	(73)	(69)	529
Increase (decrease) in liabilities:
Payable to affiliates	(557)	(6,275)	7,333
Payable to brokers	(990)	54	1
Income taxes payable and deferred tax liabilities	4,473	2,768	(10,401)
Compensation payable	40,517	17,969	(6,369)
Accrued expenses and other liabilities	(714)	144	987
Total adjustments	48,882	(1,384)	29,831
Net cash provided by operating activities from continuing operations	126,691	115,737	117,130
Investing activities
Purchases of available for sale securities	(3,932)	(1,843)	(6,279)
Proceeds from sales of available for sale securities	4,169	408	81
Net cash provided by (used in) investing activities from continuing operations	237	(1,435)	(6,198)
Financing activities
Repayment of Zero coupon subordinated debentures due December 31, 2015	0	0	(13,101)
Repurchase of 5.875% Senior note due June 1, 2021	0	0	(76,533)
Repurchases of AC 4% PIK Note due November 30, 2020	(50,000)	(150,000)	0
Proceeds from 4.5% Convertible note due August 15, 2021	0	109,826	0
Repayment of 4.5% Convertible note due August 15, 2021	(113,300)	0	0
Repayment of GGCP loan due December 28, 2016	0	(35,000)	0
Proceeds from GGCP loan due December 28, 2016	0	0	35,000
Proceeds from 1.6% AC Note due February 28, 2018	15,000	0	0
Margin loan borrowings	20,850	0	0
Margin loan repayments	(5,000)	0	0
Amortization of debt issuance costs	187	33	0
Net cash transferred from AC	0	0	(21,739)
Proceeds from exercise of stock options	0	0	1,167
Dividends paid	(2,315)	(2,333)	(7,468)
Purchase of treasury stock	(14,324)	(10,773)	(27,249)
Net cash used in financing activities from continuing operations	(148,902)	(88,247)	(109,923)
Cash flows of discontinued operations
Net cash provided by operating activities	0	0	54,335
Net cash used in investing activities	0	0	(41,463)
Net cash used in financing activities	0	0	(12,871)
Net cash provided by discontinued operations	0	0	1
Effect of exchange rates on cash and cash equivalents	(17)	38	15
Net increase (decrease) in cash and cash equivalents	(21,991)	26,093	1,025
Cash and cash equivalents at beginning of period	39,812	13,719	12,694
Cash and cash equivalents at end of period	17,821	39,812	13,719
Supplemental disclosures of cash flow information:
Cash paid for interest	12,180	11,274	7,011
Cash paid for taxes	$ 62,259	$ 75,238	$ 59,657

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CONSOLIDATED STATEMENTS OF CASH FLOWS (Parenthetical) - USD ($) $ in Thousands, shares in Millions				12 Months Ended
	Nov. 30, 2015	Nov. 28, 2015	Nov. 01, 2015	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Non-cash activity:
Accrued restricted stock award dividends				$ 25	$ 35	$ 175
Reduction to current tax payable for excess of actual tax benefit over recorded restricted stock award tax benefit					402	1,190
Increase to additional paid-in capital for excess of actual tax benefit over recorded restricted stock award tax benefit					$ (402)	$ (1,190)
Non-cash identifiable intangible asset acquired			$ 1,200
5.875% Senior Notes [Member]
Debt instrument, interest rate				5.875%
Debt instrument, maturity date				Jun. 01, 2021
AC 4% PIK Note [Member]
Debt instrument, interest rate	4.00%			4.00%
Debt instrument, maturity date				Nov. 30, 2020
Non-cash activity:
Debt instrument, term				5 years
Debt instrument, face amount	$ 250,000			$ 50,000
Net assets transferred in connection with spin-off	$ 601,700
4.5% Convertible Notes [Member]
Debt instrument, interest rate				4.50%
Debt instrument, maturity date				Aug. 15, 2021
Non-cash activity:
Debt instrument, term				5 years
Loan from GGCP Due December 28, 2016 [Member]
Debt instrument, maturity date				Dec. 28, 2016
Non-cash activity:
Debt instrument, term				1 year
Debt instrument, face amount				$ 35,000
AC 1.6% Note [Member]
Debt instrument, interest rate				1.60%
Debt instrument, maturity date				Feb. 28, 2018
GSI Note [Member]
Debt instrument, interest rate		4.00%
Zero Coupon Subordinated Debentures [Member]
Debt instrument, interest rate				0.00%
Debt instrument, maturity date				Dec. 31, 2015
GSI [Member]
Non-cash activity:
Shares issued in exchange for debt (in shares)		4.4
Principal amount of debt acquired in exchange transaction		$ 150,000
Debt instrument, term				5 years

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Significant Accounting Policies

12 Months Ended

Dec. 31, 2017

Significant Accounting Policies [Abstract]

Significant Accounting Policies

A. Significant Accounting Policies

Basis of Presentation

GAMCO Investors, Inc. (“GBL”, “We” or the “Company”) was incorporated in April 1998 in the state of New York, with no significant assets or liabilities and did not engage in any substantial business activities prior to the initial public offering (“Offering”) of our shares.  On February 9, 1999, we exchanged 24 million shares of our Class B Common Stock (“Class B Stock”), representing all of our then issued and outstanding common stock, with Gabelli Funds, Inc. (“GFI”) and two of its subsidiaries in consideration for substantially all of the operating assets and liabilities of GFI, relating to its institutional and retail asset management, mutual fund advisory, underwriting and brokerage business (the “Reorganization”).   GFI, which was renamed Gabelli Group Capital Partners, Inc. in 1999, is the majority shareholder of GBL and was renamed GGCP, Inc. (“GGCP”) in 2005.  During 2010, the shares of GBL owned by GGCP were transferred to GGCP Holdings LLC, a subsidiary of GGCP.  In 2014, the Company changed its state of incorporation from New York to Delaware in a tax-free reorganization.  On November 30, 2015 (the “Spin-Off Date”), GBL distributed to its stockholders all of the outstanding common stock of Associated Capital Group, Inc. (“AC”) and its subsidiaries along with certain cash and other assets (the “Spin-off”).  AC owns and operates, directly or indirectly, the alternatives and the institutional research businesses previously owned and operated by GBL.  In the Spin-off, each holder of GAMCO’s Class A Common Stock (“Class A Stock”) of record as of 5:00 p.m. New York City time on November 12, 2015 (the “Record Date”), received one share of AC Class A common stock for each share of GAMCO Class A Stock held on the Record Date.  Each record holder of GAMCO’s Class B Stock received one share of AC Class B common stock for each share of GAMCO Class B Stock held on the Record Date.  Subsequent to the Spin-off, GAMCO no longer consolidates the financial results of AC or certain investment partnerships and offshore funds in which we had a direct or indirect controlling financial interest for the purposes of GAMCO’s financial reporting and the historical financial results of AC and certain investment partnerships and offshore funds have been reflected in the Company’s consolidated financial statements as discontinued operations for all periods presented through the Spin-off Date.

The accompanying consolidated financial statements include the assets, liabilities and earnings of:

·  GBL;

·  Our wholly-owned subsidiaries: Gabelli Funds, LLC (“Funds Advisor”), GAMCO Asset Management Inc. (“GAMCO”), Distributors Holdings, Inc. (“DHI”), G.distributors, LLC (“G.distributors”), GAMCO Asset Management (UK) Limited, Gabelli Fixed Income, Inc. (“Fixed Income”), GAMCO International Partners LLC, and GAMCO Acquisition LLC.

The consolidated financial statements comprise the financial statements of GBL and its subsidiaries as of December 31 of each year.  The financial statements of the subsidiaries are prepared for the same reporting year as the parent company, using consistent accounting policies.  All intercompany transactions and balances have been eliminated.  Subsidiaries are fully consolidated from the date of acquisition, being the date on which GBL obtains control, and continue to be consolidated until the date that such control ceases.

Reclassifications

The historical results of AC and certain investment partnerships and offshore funds have been reflected in the accompanying consolidated statements of income for the year ended December 31, 2015 as discontinued operations and financial information related to discontinued operations has been excluded from the notes to these financial statements for all periods presented (See Note P. Discontinued Operations for further details).

Use of Estimates

The preparation of the consolidated financial statements in conformity with U.S. generally accepted accounting principles (“GAAP”) requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting period.  Actual results could differ from those estimates. 

Nature of Operations

GAMCO, Funds Advisor, Gabelli Fixed Income LLC (“Fixed Income LLC”), a wholly-owned subsidiary of Fixed Income are registered investment advisors under the Advisers Act of 1940. G.distributors is a registered broker-dealer with the Securities and Exchange Commission (“SEC”) and is regulated by the Financial Industry Regulatory Authority (“FINRA”).  Refer to Major Revenue-Generating Services and Revenue Recognition section within Note A for additional discussion of GBL's business.

Cash and Cash Equivalents

Cash equivalents primarily consist of an affiliated money market mutual fund which is highly liquid.  U.S. Treasury Bills and Notes with maturities of three months or less at the time of purchase are also considered cash equivalents. 

Securities Transactions

Investments in securities are accounted for as either “trading securities” or “available for sale” and are stated at fair value.  Management determines the appropriate classification of debt and equity securities at the time of purchase.  U.S. Treasury Bills and Notes with maturities of greater than three months at the time of purchase are considered investments in securities.  Securities that are not readily marketable are stated at their estimated fair values in accordance with GAAP.  A portion of investments in securities are held for resale in anticipation of short-term market movements and therefore are classified as trading securities.  Trading securities are stated at fair value, with any unrealized gains or losses reported in current period earnings in net gain/(loss) from investments on the consolidated statements of income.  Available for sale (“AFS”) investments are stated at fair value, with any unrealized gains or losses, net of taxes, reported as a component of  other comprehensive income except for losses deemed to be other than temporary which are recorded as realized losses on the consolidated statements of income.  Securities transactions and any related gains and losses are recorded on a trade date basis.  Realized gains and losses from securities transactions are recorded on the specific identified cost basis and are included in net gain/(loss) from investments on the consolidated statements of income. 

Available for sale securities are evaluated for other than temporary impairments each reporting period and any impairment charges are recorded in net gain/(loss) from investments on the consolidated statements of income.  Management reviews all available for sale securities whose cost exceeds their fair value to determine if the impairment is other than temporary.  Management uses qualitative factors such as the intent to hold the investment, the amount of time that the investment has been impaired and the severity of the decline in determining whether the impairment is other than temporary.

Securities sold, but not yet purchased are recorded on the trade date, and are stated at fair value and represent obligations of GBL to purchase the securities at prevailing market prices.  Therefore, the future satisfaction of such obligations may be for an amount greater or less than the amounts recorded on the consolidated statements of financial condition.  The ultimate gains or losses recognized are dependent upon the prices at which these securities are purchased to settle the obligations under the sales commitments.  Realized gains and losses from covers of securities sold, not yet purchased transactions are included in net gain/(loss) from investments on the consolidated statements of income.  Securities sold, not yet purchased are stated at fair value, with any unrealized gains or losses reported in current period earnings in net gain/(loss) from investments on the consolidated statements of income.

Major Revenue-Generating Services and Revenue Recognition

The Company’s revenues are derived primarily from investment advisory and incentive fees and distribution fees.

Investment advisory and incentive fees are directly influenced by the level and mix of assets under management (“AUM”) as fees are derived from a contractually-determined percentage of AUM for each account as well as incentive fees earned on certain accounts.  Advisory fees from the open-end funds, closed-end funds and sub-advisory accounts are computed daily or weekly based on average net assets and amounts receivable are included in investment advisory fees receivable on the consolidated statements of financial condition.  Advisory fees from Institutional and Private Wealth Management accounts are generally computed quarterly based on account values as of the end of the preceding quarter, and amounts receivable are included in investment advisory fees receivable on the consolidated statements of financial condition.    The Company derived approximately 88%, 87% and 87% of its total revenues from advisory and management fees, including incentive fees, for the periods ended December 31, 2017, 2016 and 2015, respectively. These revenues vary depending upon the level of sales compared with redemptions, financial market conditions, performance and the fee structure for AUM.  Revenues derived from the equity-oriented portfolios generally have higher management fee rates than fixed income portfolios.

The Company receives incentive fees from certain Institutional and Private Wealth Management accounts, which are based upon meeting or exceeding a specific benchmark index or indices.  Incentive fees refer to fees earned when the return generated for the client exceeds the benchmark and can be earned even if the return to the client is negative as long as the return exceeds the benchmark.  These fees are recognized, for each respective account, at the end of the stipulated contract period which is either quarterly or annually and varies by account.  Receivables due for incentive fees earned are included in investment advisory fees receivable on the consolidated statements of financial condition.  There were no incentive fees receivable as of December 31, 2017.  There were $2.4 million of incentive fees receivable as of December 31, 2016.

For The GDL Fund, there is a performance fee earned as of the end of the calendar year if the total return of the fund is in excess of the 90 day T-Bill Index total return. This fee is recognized at the end of the measurement period, which is annually on a calendar year basis. Receivables due on incentive fees relating to The GDL Fund are included in investment advisory fees receivable on the consolidated statements of financial condition and were $1.4 million and $4.2 million as of December 31, 2017 and 2016, respectively.

For the Gabelli Merger Plus⁺ Trust, there is an incentive fee which is earned and recognized at the end of the measurement period, June 30^th and varies to the extent the total return of the fund is in excess of twice the rate of return of the 13 week Treasury Bills over the performance period.  There was no performance fee receivable as of December 31, 2017.

Management fees on $0.7 billion of the closed-end preferred shares are earned at year-end if the total return to common shareholders of the closed-end fund for the calendar year exceeds the dividend rate of the preferred shares. These fees are recognized at the end of the measurement period, which is annually. Receivables due for management fees on closed-end preferred shares are included in investment advisory fees receivable on the consolidated statements of financial condition. There were $7.1 million and $7.3 million in management fees receivable on closed-end preferred shares as of December 31, 2017 and 2016, respectively.

Distribution fees revenues are derived primarily from the distribution of Gabelli, GAMCO, TETON, KEELEY and Comstock open-end funds (“Funds”) advised by either a subsidiary of GBL (Funds Advisor), a subsidiary of GGCP (Teton), or a subsidiary of Teton (Keeley-Teton Advisors, Inc.).  G.distributors distributes our open-end Funds pursuant to distribution agreements with each Fund.  Under each distribution agreement with an open-end Fund, G.distributors offers and sells such open-end Fund shares on a continuous basis and pays all of the costs of marketing and selling the shares, including printing and mailing prospectuses and sales literature, advertising and maintaining sales and customer service personnel and sales and services fulfillment systems, and payments to the sponsors of third party distribution programs, financial intermediaries and G.distributors’ sales personnel.  G.distributors receives fees for such services pursuant to distribution plans adopted under provisions of Rule 12b-1 (“12b-1”) of the Investment Company Act of 1940 (“Company Act”).  G.distributors is the principal underwriter for funds distributed in multiple classes of shares which carry either a front-end or back-end sales charge.

Under the distribution plans, the open-end Class AAA shares of the Funds (except The Gabelli U.S. Treasury Money Market Fund, Gabelli Capital Asset Fund and The Gabelli ABC Fund), the Class A shares, and the Class T shares of certain Funds pay G.distributors a distribution or service fee of 0.25% per year (except the Class A shares of the TETON Westwood Funds which pay 0.50% per year and the Class A shares of the Gabelli Enterprise Mergers and Acquisitions Fund which pays 0.45% per year) on the average daily net assets of the Fund. Class C shares have a 12b-1 distribution plan with a service and distribution fee totaling 1%.

Distribution fees from the open-end funds are computed daily based on average net assets.  The amounts receivable for distribution fees are included in receivables from affiliates on the consolidated statements of financial condition.

GBL also has investment gains or losses generated from its proprietary trading activities which are included in net gain/(loss) from investments on the consolidated statements of income.

Distribution Costs

We incur certain promotion and distribution costs, which are expensed as incurred, principally related to the sale of shares of Funds, shares sold in the initial public offerings of our closed-end funds, and after-market support services related to our closed-end funds.  Additionally, Funds Advisor has agreed to reimburse expenses on certain funds, beyond certain expense caps.  The reimbursed expenses are presented on a gross basis in distribution costs in the consolidated statements of income.

Dividends and Interest Income and Interest Expense

Dividends are recorded on the ex-dividend date.  Interest income and interest expense are accrued as earned or incurred.

Depreciation and Amortization

Fixed assets other than leasehold improvements, with net book value of$421,000 and $524,000 at December 31, 2017 and 2016, respectively, which are included in other assets, are recorded at cost and depreciated using the straight-line method over their estimated useful lives from four to seven years. Accumulated depreciation was $2.7 million and $2.6 million at December 31, 2017 and 2016, respectively. Leasehold improvements, with net book value of $1.5 million and $1.6 million at December 31, 2017 and 2016, respectively, which are included in other assets, are recorded at cost and amortized using the straight-line method over their estimated useful lives or lease terms, whichever is shorter. The leased property under the capital lease is depreciated utilizing the straight-line method over the term of the lease, which expires on December 31, 2028.  The capital lease was extended on June 11, 2014 to December 31, 2028 from December 31, 2023.  For the years ended December 31, 2017, 2016 and 2015, depreciation and amortization were $595,000, $632,000 and $618,000, respectively. We estimate that depreciation and amortization will be approximately $590,000 annually over the next three years.

Goodwill and Identifiable Intangible Assets

Goodwill is initially measured as the excess of the cost of the acquired business over the sum of the amounts assigned to assets acquired less the liabilities assumed.  At December 31, 2017 and 2016, goodwill recorded on the consolidated statements of financial condition relates to G.distributors.  At December 31, 2017 and 2016, the identifiable intangible assets are the investment advisory contracts for the Gabelli Enterprise Mergers and Acquisition Fund, for the Bancroft Fund Ltd. and the Ellsworth Growth and Income Fund Ltd., all of which relate to Funds Advisor.  Goodwill and identifiable intangible assets are tested for impairment at least annually on November 30^th and whenever certain triggering events are met.  In assessing the recoverability of the identifiable intangible asset for 2017 and 2016, projections regarding estimated future cash flows and other factors are made to determine the fair value of the asset.  No impairment was recorded during 2017, 2016, or 2015.

In assessing the recoverability of goodwill for our annual impairment test on November 30, 2017 and 2016, we performed a qualitative assessment of whether it was more likely than not that an impairment had occurred and concluded that a quantitative analysis was not required.  No impairment was recorded during 2017, 2016, or 2015.

Income Taxes

Deferred tax assets and liabilities are recorded for temporary differences between the tax basis of assets and liabilities and the reported amounts on the consolidated financial statements using the statutory tax rates in effect for the year when the reported amount of the asset or liability is recovered or settled, respectively.  The effect on deferred tax assets and liabilities of a change in tax rates is recognized in the results of operations in the period that includes the enactment date. As a result of the enactment of the Tax Cuts and Jobs Act in December 2017, the Company recorded an increase in expense of $8.2 million reflecting the net write-down to its deferred tax assets and deferred tax liabilities.  A valuation allowance is recorded to reduce the carrying values of deferred tax assets to the amount that is more likely than not to be realized.  For each tax position taken or expected to be taken in a tax return, the Company determines whether it is more likely than not that the position will be sustained upon examination based on the technical merits of the position, including resolution of any related appeals or litigation.  A tax position that meets the more likely than not recognition threshold is measured to determine the amount of benefit to recognize.  The tax position is measured at the largest amount of benefit that is greater than 50% likely of being realized upon settlement.  The Company recognizes the accrual of interest on uncertain tax positions and penalties in income tax provision on the consolidated statements of income.

Fair Values of Financial Instruments

All of the instruments within cash and cash equivalents, investments in securities and securities sold, not yet purchased are measured at fair value. Certain investments in partnerships are also measured at fair value.

The Company’s assets and liabilities recorded at fair value have been categorized based upon a fair value hierarchy in accordance with the Financial Accounting Standards Board’s (“FASB”) guidance on fair value measurement. The levels of the fair value hierarchy and their applicability to the Company are described below:

-   Level 1 inputs utilize quoted prices (unadjusted) in active markets for identical assets or liabilities at the reporting date. Level 1 assets include cash equivalents, government obligations, open-end funds, closed-end funds and equities.

-   Level 2 inputs utilize inputs other than quoted prices included in Level 1 that are observable for the asset or liability, either directly or indirectly. Level 2 inputs include quoted prices for similar assets and liabilities in active markets, quoted prices for identical or similar assets or liabilities that are not active and inputs other than quoted prices that are observable for the asset or liability, such as interest rates and yield curves that are observable at commonly-quoted intervals. Assets that generally are included in this category may include certain limited partnership interests in private funds and over the counter derivatives that have inputs to the valuations that can generally be corroborated by observable market data.

-   Level 3 inputs are unobservable inputs for the asset or liability, and include situations where there is little, if any, market activity for the asset or liability.  Assets included in this category generally include equities that trade infrequently and direct private equity investments held within consolidated partnerships.

In certain cases, the inputs used to measure fair value may fall into different levels of the fair value hierarchy.  In such cases, the level in the fair value hierarchy within which the fair value measurement in its entirety falls has been determined based on the lowest level input that is significant to the fair value measurement in its entirety.  The Company’s assessment of the significance of a particular input to the fair value measurement in its entirety requires judgment and considers factors specific to the asset or liability. Investments are transferred into or out of any level at their beginning period values.

The availability of observable inputs can vary from instrument to instrument and is affected by a wide variety of factors, including, for example, the type of instrument, whether the instrument is new and not yet established in the marketplace, and other characteristics particular to the transaction. To the extent that valuation is based on models or inputs that are less observable or unobservable in the market, the determination of fair value requires more judgment. Accordingly, the degree of judgment exercised by the Company in determining fair value is greatest for instruments categorized as Level 3.

The valuation process and policies reside with the financial reporting and accounting group which reports to the Co-Chief Accounting Officers. The Company may use the “market approach” or “income approach” valuation technique to value its investments in Level 3 investments. The Company’s valuation of the Level 3 investments could be based upon either i) the recent sale prices of the issuer’s equity securities or ii) the net assets, book value or cost basis of the issuer when there is no recent sales prices available.

In the absence of a closing price, an average of the bid and ask price is used. Bid prices reflect the highest price that the market is willing to pay for an asset. Ask prices represent the lowest price that the market is willing to accept for an asset.

Cash equivalents – Cash equivalents primarily consist of an affiliated money market mutual fund which is invested solely in U.S. Treasuries and valued based on the net asset value of the fund.  U.S. Treasury Bills and Notes with maturities of three months or less at the time of purchase are also considered cash equivalents.  Cash equivalents are valued using unadjusted quoted market prices.

Investments in securities and Securities sold, not yet purchased – Investments in securities and securities sold, not yet purchased are generally valued based on quoted prices from an exchange.  To the extent these securities are actively traded, valuation adjustments are not applied, and they are categorized in Level 1 of the fair value hierarchy.  Securities categorized in Level 2 investments are valued using other observable inputs.  Nonpublic and infrequently traded investments are included in Level 3 of the fair value hierarchy because significant inputs to measure fair value are unobservable.

Earnings Per Share

Basic earnings per share is based on the weighted-average number of common shares outstanding during each period less unvested restricted stock.  Diluted earnings per share is based on basic shares plus the incremental shares that would be issued upon the assumed exercise of in-the-money stock options and unvested restricted stock using the treasury stock method, and, if dilutive, assumes the conversion of the convertible note for the periods outstanding since the issuance in August 2016 using the if converted method.

Management Fee

Management fee expense is incentive-based and entirely variable compensation in the amount of 10% of the aggregate pre-tax profits before management fee which is paid to Mr. Gabelli or his designee for acting as CEO pursuant to his 2008 Employment Agreement so long as he is an executive of GBL and devotes the substantial majority of his working time to the business. In accordance with his 2008 Employment Agreement, he has allocated approximately $1.4 million, $2.2 million and $1.9 million of his management fee to certain other employees of the Company in 2017, 2016 and 2015, respectively.

Stock Based Compensation

The Company has granted restricted stock awards (“RSAs”) and stock options to staff members which were recommended by the Company’s Chairman, who did not receive an RSA or option award, and approved by the Compensation Committee of the Company’s Board of Directors.  We use a fair value based method of accounting for stock-based compensation provided to our employees.  

The estimated fair value of RSAs is determined by using the closing price of Class A Common Stock (“Class A Stock”) on the day prior to the grant date.  The total expense, which is reduced by estimated forfeitures, is recognized over the vesting period for these awards which is either (1) 30% over three years from the date of grant and 70% over five years from the date of grant or (2) 30% over three years from the date of grant and 10% each year over years four through ten from the date of grant. The forfeiture rate is determined by reviewing historical forfeiture rates for previous stock-based compensation grants and is reviewed and updated quarterly, if necessary.  During the vesting period, dividends to RSA holders are held for them until the RSA vesting dates and are forfeited if the grantee is no longer employed by the Company on the vesting dates.  Dividends declared on these RSAs, less estimated forfeitures, are charged to retained earnings on the declaration date.

The estimated fair value of option awards on the grant date is determined using the Black Scholes option-pricing model.  This sophisticated model utilizes a number of assumptions in arriving at its results, including the estimated life of the option, the risk free interest rate at the date of grant and the volatility of the underlying common stock.  There may be other factors, which are not considered in the Black Scholes model, which may have an effect on the value of the options as well.  The effects of changing any of the assumptions or factors employed by the Black Scholes model may result in a significantly different valuation for the options.  The total expense based on the grant date fair value, which is reduced by estimated forfeitures, is recognized over the vesting period for these awards which is  75% over three years from the date of grant and 25% over four years from date of grant. The forfeiture rate is determined by reviewing historical forfeiture rates for previous stock-based compensation grants and is reviewed and updated quarterly, if necessary.

In connection with the Spin-off of AC and in accordance with GAAP, the Company has allocated the stock compensation costs between GBL and AC based upon each employee’s individual allocation of their responsibilities between GBL and AC.  See note H. Equity for further details.

The Company has entered into three deferred compensation agreements with Mr. Gabelli whereby his variable compensation for 2016, the first half of 2017 and the fourth quarter of 2017 was in the form of Restricted Stock Units (“RSUs”) determined by the volume-weighted average price (“VWAP”) of the Company’s Class A Stock during those respective periods.  The 2016 Deferred Cash Compensation Agreement (“DCCA”) will vest 100% on January 1, 2020, the First Half 2017 DCCA will vest 100% on July 1, 2018, and the Fourth Quarter 2017 DCCA will vest 100% on April 1, 2019.  The Company intends to settle the awards in cash at vesting; however, the Company reserves the right to issue shares of the Company’s Class A Stock in lieu of such cash payment.  Under the terms of the agreement the Company will pay Mr. Gabelli an amount equal to the number of RSUs valued at the lesser of the VWAP of the Company’s Class A Stock for the applicable period or the value on the lapse date or, if not a trading day, then the first trading date thereafter.

Under GAAP, for the 2016 DCCA only 25% of this deferred compensation expense is being recognized in 2016 with the remainder amortized ratably over 2017, 2018, and 2019.  Similarly, under GAAP, for the First Half 2017 DCCA 67% of the expense is recognized in 2017 with the remaining 33% expensed in 2018.  For the Fourth Quarter 2017 DCCA 17% of the expense is recognized in 2017, 66% in 2018 and the remaining 17% in 2019.  Notwithstanding its ability to settle the award in stock, given the Company’s intent to settle it in cash, in accordance with GAAP (ASC 718), the awards are accounted for as liability-classified awards and not as equity-classified awards.  The liability is remeasured at fair value on each reporting period from December 31, 2016 until the vesting date.  However, given the cap on the obligation in that Mr. Gabelli will not receive cash in excess of the VWAP of the Company’s Class A Stock for each respective period, the remeasurement of the liability at fair value will never exceed its value determined using each period’s respective VWAP price.

Concentration of Credit Risk

Financial instruments that potentially subject the Company to concentrations of credit risk consist primarily of cash and cash equivalents and receivable from brokers.  The Company maintains cash and cash equivalents primarily in the Gabelli U.S. Treasury Money Market Fund, which invests fully in instruments issued by the U.S. government, and has receivables from brokers with various brokers and financial institutions, where these balances can exceed the federally insured limit.  The concentration of credit risk with respect to advisory fees receivable is generally limited due to the short payment terms extended to clients by the Company.  In addition, the credit risk is further limited by virtue of the fact that no single advisory relationship provided over 10% of the total revenue of the Company during the years 2017, 2016, or 2015.  All investments in securities are held at third party brokers or custodians.

Business Segment

The Company operates in one business segment, the investment advisory and asset management business. The Company conducts its investment advisory business principally through: GAMCO (Institutional and Private Wealth Management) and Funds Advisor (Funds).  The distribution of our open-end funds and underwriting of those Funds was conducted through G.distributors.

Recent Accounting Developments

In May 2014, the FASB issued Accounting Standards Update (“ASU”) No. 2014-09, "Revenue from Contracts with Customers," which supersedes the revenue recognition requirements in the Accounting Standards Codification ("Codification") Topic 605, Revenue Recognition, and most industry-specific guidance throughout the industry topics of the Codification.  The core principle of the new ASU No. 2014-09 is for companies to recognize revenue from the transfer of goods or services to customers in amounts that reflect the consideration to which the company expects to be entitled to receive in exchange for those goods or services.  The new standard provides a five-step approach to be applied to all contracts with customers and also requires expanded disclosures about revenue recognition.  In March 2016, the FASB issued revised guidance which clarifies the guidance related to (a) determining the appropriate unit of account under the revenue standard’s principal versus agent guidance and (b) applying the indicators of whether an entity is a principal or an agent in accordance with the revenue standard’s control principle. In April 2016, the FASB issued an amendment to provide more detailed guidance including additional implementation guidance and examples related to (a) identifying performance obligations and (b) licenses of intellectual property. In May 2016, the FASB amended the standard to clarify the guidance on (a) assessing collectability, (b) presenting sales taxes, (c) measuring noncash consideration, and (d) certain transition matters. This new guidance will be effective for the Company's first quarter of 2018 and requires either a full retrospective or a modified retrospective approach to adoption. The Company’s implementation analysis has been completed, and we have identified similar performance obligations under this guidance as compared with deliverables and separate units of account previously identified under Topic 605.  As a result, we expect the timing of the recognition of our revenue to remain the same as under Topic 605, and the Company does not therefore expect the adoption of the new guidance to have any effect on the timing of the recognition of revenue.  If there were to be any impact, which is not expected, the Company has determined that it would use the modified retrospective transition method.  The Company has also been reviewing and preparing for the enhanced disclosure requirements of the standard, which will have an effect on the disclosures in the consolidated financial statements and accompanying notes effective with our first quarter 2018 Form 10-Q.

In January 2016, the FASB issued ASU 2016-01, which amends the guidance in U.S. GAAP on the classification and measurement of financial instruments. Although the ASU retains many current requirements, it significantly revises an entity’s accounting related to (1) the classification and measurement of investments in equity securities and (2) the presentation of certain fair value changes for financial liabilities measured at fair value. The ASU also amends certain disclosure requirements associated with the fair value of financial instruments. In addition, the FASB clarified guidance related to the valuation allowance assessment when recognizing deferred tax assets resulting from unrealized losses on available-for-sale debt securities. To adopt the amendments, entities will be required to make a cumulative-effect adjustment to beginning retained earnings as of the beginning of the fiscal year in which the guidance is effective.  The Company adopted this guidance on January 1, 2018 and reclassed $11.9 million out of Accumulated Comprehensive Income and into Retained Earnings.  Effective January 1, 2018, changes in the fair value of the Company’s available-for-sale investments will be reported through earnings rather than through other comprehensive income.

In February 2016, the FASB issued ASU 2016-02, which amends the guidance in U.S. GAAP for the accounting for leases.  ASU 2016-02 requires a lessee to recognize assets and liabilities arising from most operating leases in the consolidated statement of financial position. It requires these operating leases to be recorded on the balance sheet as right of use assets and offsetting lease liability obligations.  This new guidance will be effective for the Company’s first quarter of 2019. The Company is currently evaluating this guidance and the impact it will have on its consolidated financial statements and related disclosures.

In March 2016, the FASB issued ASU 2016-09, which simplifies several aspects of the accounting for employee share-based payment transactions for both public and nonpublic entities, including the accounting for income taxes, forfeitures, and statutory tax withholding requirements, as well as classification in the statement of cash flows. For public companies, the ASU is effective for annual reporting periods beginning after December 15, 2016, including interim periods within those annual reporting periods.  The Company adopted this guidance on January 1, 2017 without a material impact to the consolidated financial statements.  Please see Note D.

In August 2016, the FASB issued ASU 2016-15, which adds and clarifies guidance on the classification of certain cash receipts and payments in the consolidated statements of cash flows.  This guidance is intended to unify the currently diverse presentations and classifications, which address eight classification issues related to the statement of cash flows, including debt prepayment or debt extinguishment costs, settlement of zero-coupon debt instruments or other debt instruments with coupon interest rates that are insignificant in relation to the effective interest rate of the borrowing, contingent consideration payments made after a business combination, proceeds from the settlement of insurance claims, proceeds from the settlement of corporate-owned life insurance policies, including bank-owned life insurance policies, distributions received from equity method investees, beneficial interests in securitization transactions, and separately identifiable cash flows and application of the predominance principle.  The Company adopted this guidance on January 1, 2018 without a material impact to the consolidated financial statements.

In November 2016, the FASB issued ASU 2016-18, which amends ASC 230 to clarify guidance on the classification and presentation of restricted cash in the statement of cash flows.  Key requirements are that an entity should include in its cash and cash equivalent balances in the statement of cash flow those amounts that are deemed to be restricted cash and restricted cash equivalents and that a reconciliation between the statement of financial position and the statement of cash flows must be disclosed when the statement of financial position includes more than one line item for cash, cash equivalents, restricted cash, and restricted cash equivalents.  The ASU also mandates that changes in restricted cash and restricted cash equivalents that result from transfers between cash, cash equivalents, restricted cash, and restricted cash equivalents should not be presented as cash flow activities in the statement of cash flows and that an entity with a material amount of restricted cash and restricted cash equivalents must disclose information about the nature of the restrictions.  This new guidance was to be effective for the Company’s first quarter of 2018, but the Company has elected to early adopt in the third quarter of 2017.  There was no material impact to the consolidated financial statements.

In January 2017, the FASB issued ASU 2017-04 to simplify the process used to test for goodwill impairment.  A goodwill impairment will now be the amount by which a reporting unit’s carrying value exceeds its fair value, not to exceed the carrying amount of goodwill. This new guidance will be effective for the Company’s first quarter of 2020. The Company is currently evaluating the potential effect of this new guidance on its consolidated financial statements and related disclosures.

On May 10, 2017, the FASB issued ASU 2017-09, which amends the scope of modification accounting for share-based payment arrangements.  The ASU provides guidance on the types of changes to the terms or conditions of share-based payment awards to which an entity would be required to apply modification accounting under ASC 718.  Specifically, an entity would not apply modification accounting if the fair value, vesting conditions, and classification of the awards are the same immediately before and after the modification.  For all entities, the ASU is effective for annual reporting periods, including interim periods within those annual reporting periods, beginning after December 15, 2017.  Early adoption is permitted, including adoption in any interim period.  This ASU, which we did not early adopt, would not have impacted the accounting for the acceleration of vesting of restricted stock awards during the year ended December 31, 2017.

In January 2018, the Securities and Exchange Commission (“the Commission”) issued Staff Accounting Bulletin No. 118 (“SAB 118”) which expresses the Commission’s views regarding application of FASB’s ASC Topic 740 “Income Taxes” in the reporting period that includes December 22, 2017.  The Commission indicated that The Tax Cuts and Jobs Act (“the Act”), which was enacted on December 22, 2017,  affects companies’ reporting because of the Act’s changes that impact U.S. corporate tax rates, business-related exclusions, and deductions and credits.

ASC Topic 740 provides accounting and disclosure guidance on accounting for income taxes under generally accepted accounting principles (“U.S. GAAP”). This guidance addresses the recognition of taxes payable or refundable for the current year and the recognition of deferred tax liabilities and deferred tax assets for the future tax consequences of events that have been recognized in an entity’s financial statements or tax returns.   ASC Topic 740 also addresses the accounting for income taxes upon a change in tax laws or tax rates.  The income tax accounting effect of a change in tax laws or tax rates includes, for example, adjusting (or re-measuring) deferred tax liabilities and deferred tax assets, as well as evaluating whether a valuation allowance is needed for deferred tax assets.

The Commission issued SAB 118 to address situations where the accounting under ASC Topic 740 is incomplete for certain income tax effects of the Act upon issuance of an entity’s financial statements for the reporting period in which the Act was enacted. A company’s financial statements that include the reporting period in which the Act was enacted must first reflect the income tax effects of the Act in which the accounting under ASC Topic 740 is complete. These completed amounts would not be provisional amounts. The company would then also report provisional amounts for those specific income tax effects of the Act for which the accounting under ASC Topic 740 will be incomplete but a reasonable estimate can be determined. For any specific income tax effects of the Act for which a reasonable estimate cannot be determined, the company would not report provisional amounts and would continue to apply ASC Topic 740 based on the provisions of the tax laws that were in effect immediately prior to the Act being enacted. For those income tax effects for which the company was not able to determine a reasonable estimate (such that no related provisional amount was reported for the reporting period in which the Act was enacted), the company would report provisional amounts in the first reporting period in which a reasonable estimate can be determined.

The Company has revalued its deferred tax assets and liabilities as of the date of enactment and has determined that the provisions of SAB 118 related to incomplete or provisional amounts do not apply as it considers its evaluation complete.

In February 2018, the FASB issued ASU 2018-02 to address constituent concerns related to the application of ASC 740 to certain provisions of the new tax reform legislation, the Tax Cuts and Jobs Act.  Specifically, the ASU addressed concerns about the requirement in ASC 740 that the effect of a change in tax laws or rates on deferred tax assets and liabilities be included in income from continuing operations in the reporting period that contains that enactment date of the change.  That guidance applies even in situations in which the tax effects were initially recognized directly to other comprehensive income at the previous rate, resulting in “stranded” amounts in accumulated comprehensive income (AOCI) related to the income tax rate differential. This new guidance will be effective for the Company’s first quarter of 2019.  Early adoption is permitted.  The Company has elected not to early adopt for the financial statements for the year ended December 31, 2017 contained in this Form 10K.  It is currently evaluating whether it will early adopt this ASU in 2018 and the effects that the adoption will have on its consolidated financial statements in the period of adoption.

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Investment in Securities

12 Months Ended

Dec. 31, 2017

Investment in Securities [Abstract]

Investment in Securities

B. Investments in Securities

Investments in securities at December 31, 2017 and 2016 consisted of the following:

	2017				2016
	Cost		Fair Value		Cost		Fair Value
(In thousands)
Trading securities:
Common stocks	$	26	$	34	$	51	$	54
Mutual Funds		11		11		-		-
Total trading securities		37		45		51		54
Available for sale securities:
Common stocks		17,441		36,637		18,739		37,131
Closed-end funds		99		108		99		100
Total available for sale securities		17,540		36,745		18,838		37,231
Total investments in securities	$	17,577	$	36,790	$	18,889	$	37,285

There were no securities sold, not yet purchased at December 31, 2017 and 2016.

The following table identifies all reclassifications out of accumulated other comprehensive income and into net income for the year ended December 31, 2017 and 2016 (in thousands):

Amount							Affected Line Item	Reason for
Reclassified							in the Statements	Reclassification
from AOCI							of Income	from AOCI
Twelve months ended December 31,
2017				2016
	$	62		$	4		Net gain from investments	Realized gain / (loss) on sale of AFS securities
		3,063			1,251		Other operating expenses	Donation of AFS securities
		3,125			1,255		Income before income taxes
		(1,156	)		(464	)	Income tax expense
	$	1,969		$	791		Net income

The following is a summary of the cost, gross unrealized gains, gross unrealized losses and fair value of available for sale investments as of December 31, 2017 and December 31, 2016:

	December 31, 2017
				Gross			Gross
				Unrealized			Unrealized			Fair
	Cost			Gains			Losses			Value
	(In thousands)
Common stocks		$	17,441		$	19,196		$	-		$	36,637
Closed-end Funds		$	99		$	9		$	-		$	108
Total available for sale securities		$	17,540		$	19,205		$	-		$	36,745

	December 31, 2016
				Gross			Gross
				Unrealized			Unrealized			Fair
	Cost			Gains			Losses			Value
	(In thousands)
Common stocks		$	18,739		$	18,392		$	-		$	37,131
Closed-end funds			99			1			-			100
Total available for sale securities		$	18,838		$	18,393		$	-		$	37,231

Increases in unrealized gains, net of taxes, for AFS securities for the year ended December 31, 2017 and 2016 of $0.5 million and $2.3 million have been included in other comprehensive income at December 31, 2017 and 2016, respectively.  Increases in unrealized losses, net of taxes, for AFS securities for the year ended December 31, 2015 of $5.5 million have been included in other comprehensive income at December 31, 2015. The amount reclassified from other comprehensive income for the years ended December 31, 2017, 2016 and 2015 was $2.0 million, $0.8 million and $2.8 million, respectively. Proceeds from sales of investments available for sale were approximately $4.2 million, $0.4 million and $0.1 million for the years ended December 31, 2017, 2016 and 2015, respectively. For the years ended December 31, 2017, 2016 and 2015, gross gains on the sale of investments available for sale amounted to $62,000, $4,000 and $6,000, respectively, and were reclassed from other comprehensive income into the consolidated statements of income. There were no losses on the sale of investments available for sale for the years ended December 31, 2017, 2016 and 2015. The basis on which the cost of a security sold is determined is specific identification. Accumulated other comprehensive income on the consolidated statements of equity is primarily comprised of unrealized gains/losses, net of taxes, for AFS securities.

GBL has an established accounting policy and methodology to determine other-than-temporary impairment on available for sale securities.  Under this policy, available for sale securities are evaluated for other than temporary impairments and any impairment charges are recorded in net gain/(loss) from investments on the consolidated statements of income.  Management reviews all available for sale securities whose cost exceeds their market value to determine if the impairment is other than temporary.  Management uses qualitative factors such as diversification of the investment, the amount of time that the investment has been impaired, the intent to sell and the severity of the decline in determining whether the impairment is other than temporary.  

There were no investments classified as available for sale that were in an unrealized loss position at either December 31, 2017 or December 31, 2016.

For the years ended December 31, 2017, 2016 and 2015 there were no losses on available for sale securities that were deemed to be other than temporary.

All of our investments within the Investments in securities line item on the consolidated statement of financial condition are pledged as collateral against a margin loan outstanding with an unaffiliated broker included in the Payable to brokers line item on the consolidated statements of financial condition.  Certain of the investments within the Investments in securities line item are also pledged against the AC 1.6% Note due February 28, 2018.

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Fair Value

12 Months Ended

Dec. 31, 2017

Fair Value [Abstract]

Fair Value

C. Fair Value

The following tables present information about the Company’s assets and liabilities by major categories measured at fair value on a recurring basis as of December 31, 2017 and 2016 and indicates the fair value hierarchy of the valuation techniques utilized by the Company to determine such fair value:

Assets and Liabilities Measured at Fair Value on a Recurring Basis as of December 31, 2017 (in thousands)

	Quoted Prices in Active		Significant Other		Significant		Balance as of
	Markets for Identical		Observable		Unobservable		December 31,
Assets	Assets (Level 1)		Inputs (Level 2)		Inputs (Level 3)		2017
Cash equivalents	$	17,475	$	-	$	-	$	17,475
Investments in securities:
AFS - Common stocks		36,637		-		-		36,637
AFS - Closed-end Funds		108		-		-		108
Trading - Common stocks		34		-		-		34
Trading - Mutual Funds		11		-		-		11
Total investments in securities		36,790		-		-		36,790
Total assets at fair value	$	54,265	$	-	$	-	$	54,265

During the year ended December 31, 2017, there were no transfers between any Level 1 and Level 2 holdings, or between Level 1 and Level 3 holdings.

Assets and Liabilities Measured at Fair Value on a Recurring Basis as of December 31, 2016 (in thousands)

	Quoted Prices in Active		Significant Other		Significant		Balance as of
	Markets for Identical		Observable		Unobservable		December 31,
Assets	Assets (Level 1)		Inputs (Level 2)		Inputs (Level 3)		2016
Cash equivalents	$	39,638	$	-	$	-	$	39,638
Investments in securities:
AFS - Common stocks		37,131		-		-		37,131
AFS - Closed-end Funds		100		-		-		100
Trading - Common stocks		54		-		-		54
Total investments in securities		37,285		-		-		37,285
Total assets at fair value	$	76,923	$	-	$	-	$	76,923

During the year ended December 31, 2016, there were no transfers between any Level 1 and Level 2 holdings, or between Level 1 and Level 3 holdings.

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Income Taxes

12 Months Ended

Dec. 31, 2017

Income Taxes [Abstract]

Income Taxes

D. Income Taxes

GBL and its greater than 80% owned operating subsidiaries file a consolidated federal income tax return. Accordingly, the income tax provision represents the aggregate of the amounts provided for all companies.

ASU 2016-09, which was issued in March 2016 and became effective for interim and annual reporting periods beginning after December 15, 2016, simplifies several aspects of accounting for employee share-based payment transactions. Upon adoption of ASU 2016-09 on January 1, 2017, our accounting for excess tax benefits has changed and adopted prospectively, resulting in recognition of excess tax benefits or tax deficiencies against income tax expenses rather than additional paid-in capital.  During the twelve months ended December 31, 2017, the ETR was higher by 0.7% as a result of a reduction to previously recorded stock compensation tax benefits.

The provision for income taxes for the years ended December 31, 2017, 2016 and 2015 consisted of the following:

	2017			2016			2015
(In thousands)
Federal:
Current	$	54,318		$	63,991		$	47,699
Deferred		(3,670	)		(4,424	)		(1,441	)
State and local:
Current		6,212			6,652			5,359
Deferred		(1,781	)		(1,113	)		109
Total	$	55,079		$	65,106		$	51,726

A reconciliation of the Federal statutory income tax rate to the effective tax rate is set forth below:

	2017		2016		2015
Statutory Federal income tax rate	35.0	%	35.0	%	35.0	%
State income tax, net of Federal benefit	0.5		1.0		2.7
Impact of Tax Act	6.2		-		-
Other	(0.3)		(0.3)		(0.5)
Effective income tax rate	41.4	%	35.7	%	37.2	%

Significant components of our deferred tax assets and liabilities are as follows:

	2017			2016
(In thousands)
Deferred tax assets:
Stock compensation expense	$	110		$	4,006
Deferred compensation		14,740			7,629
Capital lease obligation		633			944
Other		238			311
Total deferred tax assets		15,721			12,890
Deferred tax liabilities:
Investments in securities available for sale		(4,609	)		(6,805	)
Contingent deferred sales commissions		(189	)		(322	)
Intangible asset amortization		(233	)		(235	)
Other		(10	)		(9	)
Total deferred tax liabilities		(5,041	)		(7,371	)
Net deferred tax assets (liabilities)	$	10,680		$	5,519

As a result of the vesting of RSAs, and in accordance with GAAP, decreases of $0.4 million and $1.2 million were recorded in additional paid in capital for the years ended December 31, 2016 and December 31, 2015, respectively, as the actual tax benefits realized by the Company were less than the previously recorded deferred tax benefits.

As of December 31, 2017 and 2016, the total amount of gross unrecognized tax benefits related to uncertain tax positions was approximately $13.3 million and $15.0 million, respectively, of which recognition of $10.5 million and $9.8 million, respectively, would impact the Company’s effective tax rate.

As of December 31, 2017 and 2016, the net liability for unrecognized tax benefits related to uncertain tax positions was $14.5 million and $14.1 million, respectively, and is included in accrued expenses and other liabilities on the consolidated statements of financial condition.

A reconciliation of the beginning and ending amount of gross unrecognized tax benefits related to uncertain tax positions is as follows:

	(in millions)
Balance at December 31, 2014	$	16.0
Additions based on tax positions related to the current year		2.8
Additions for tax positions of prior years		0.1
Reductions for tax positions of prior years		(0.5	)
Settlements		-
Balance at December 31, 2015		18.4
Additions based on tax positions related to the current year		2.3
Additions for tax positions of prior years		1.2
Reductions for tax positions of prior years		(6.9	)
Settlements		-
Balance at December 31, 2016		15.0
Additions based on tax positions related to the current year		2.2
Additions for tax positions of prior years		-
Reductions for tax positions of prior years		(3.9	)
Settlements		-
Balance at December 31, 2017	$	13.3

The Company records penalties and interest related to tax uncertainties in income taxes. As of December 31, 2017 and 2016, the Company had recognized gross liabilities of approximately $4.8 million and $6.7 million related to interest and penalties, respectively. For the years ended December 31, 2017 and 2016, the Company recorded an income tax benefit related to a decrease in its liability for interest and penalties of $0.3 million and $0.7 million, respectively.  For the years ended December 31, 2015, the Company recorded income tax expenses related to an increase in its liability for interest and penalties of $1.1 million.

The Tax Cuts and Jobs Act that was enacted in December 2017 resulted in an $8.2 million write down of net deferred tax assets.

Specifically, the 2017 income tax expense included the following amounts related to the Tax Cuts and Jobs Act enacted in the United States in December 2017.

· $10.9 million tax expense related to the revaluation of certain deferred income tax assets;

· $2.7 million non-cash tax benefit related to the revaluation of certain deferred income tax liabilities

The Company is currently being audited by New York State for years 2007 through 2011 but does not expect that any potential assessments will be material to its results of operations. The Company is subject to future audits by New York State for all years after 2011.  The Company’s remaining state income tax returns are subject to future audit for all years after 2010.  The Company’s Federal tax returns are subject to future audit for 2015 and 2016.

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Earnings per Share

12 Months Ended

Dec. 31, 2017

Earnings per Share [Abstract]

Earnings per Share

E. Earnings per Share

The computations of basic and diluted net income per share are as follows:

	For the Years Ending December 31,
(In thousands, except per share amounts)	2017		2016		2015
Basic:
Income from continuing operations	$	77,809	$	117,121	$	87,299
Loss from discontinued operations, net of taxes		-		-		(3,887	)
Net income attributable to GAMCO Investors, Inc.'s shareholders	$	77,809	$	117,121	$	83,412
Weighted average shares outstanding		28,980		29,182		25,425
Basic net income per share attributable to GAMCO
Investors, Inc.'s shareholders
Continuing operations	$	2.68	$	4.01	$	3.43
Discontinued operations		-		-		(0.15	)
Total	$	2.68	$	4.01	$	3.28
Diluted:
Income from continuing operations	$	77,809	$	117,121	$	87,299
Add interest on convertible notes, net of management fee and taxes		2,604		1,133		-
Total income from continuing operations		80,413		118,254		87,299
Loss from discontinued operations, net of taxes		-		-		(3,887	)
Net income attributable to GAMCO Investors, Inc.'s shareholders	$	80,413	$	118,254	$	83,412
Weighted average share outstanding		28,980		29,182		25,425
Dilutive stock options and restricted stock awards		192		234		286
Assumed conversion of convertible notes		1,775		754		-
Total		30,947		30,170		25,711
Diluted net income per share attributable to GAMCO
Investors, Inc.'s shareholders
Continuing operations	$	2.60	$	3.92	$	3.40
Discontinued operations		-		-		(0.15	)
Total	$	2.60	$	3.92	$	3.24

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Debt

12 Months Ended

Dec. 31, 2017

Debt [Abstract]

Debt

F. Debt

Debt consists of the following:

	December 31, 2017				December 31, 2016
	Carrying		Fair Value		Carrying		Fair Value
	Value		Level 2		Value		Level 2
(In thousands)
4.5% Convertible note	$	-	$	-	$	109,835	$	111,525
AC 4% PIK Note		50,000		50,572		100,000		100,930
AC 1.6% Note		15,000		14,972		-		-
5.875% Senior notes		24,144		24,543		24,120		24,558
Total	$	89,144	$	90,087	$	233,955	$	237,013

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Equity

12 Months Ended

Dec. 31, 2017

Equity [Abstract]

Equity

G.  Equity

Voting Rights

The holders of Class A Stock and Class B Stock have identical rights except that (i) holders of Class A Stock are entitled to one vote per share, while holders of Class B Stock are entitled to ten votes per share on all matters to be voted on by shareholders in general, and (ii) holders of Class A Stock are not eligible to vote on matters relating exclusively to Class B Stock and vice versa.

Stock Award and Incentive Plan

The Company maintains one Plan approved by the shareholders, which is designed to provide incentives which will attract and retain individuals key to the success of GBL through direct or indirect ownership of our common stock. Benefits under the Plan may be granted in any one or a combination of stock options, stock appreciation rights, restricted stock, restricted stock units, stock awards, dividend equivalents and other stock or cash based awards. A maximum of 6.0 million shares of Class A Stock have been reserved for issuance under the Plan by a committee of the Board of Directors responsible for administering the Plan (“Compensation Committee”). Under the Plan, the committee may grant RSAs and either incentive or nonqualified stock options with a term not to exceed ten years from the grant date and at an exercise price that the committee may determine.

There were no RSAs issued during 2017, 2016 or 2015.  As of December 31, 2017 and 2016, there were 19,400 RSA shares and 424,340 RSA shares, respectively, outstanding that were issued at an average grant price of $65.67 per share and $65.74 per share, respectively. The $65.67 per share and $65.74 per share reflect pre AC spin-off stock prices.  All grants of RSAs were recommended by the Company's Chairman, who did not receive a RSA, and approved by the Compensation Committee of the Company's Board of Directors. This expense, net of estimated forfeitures, is recognized over the vesting period for these awards which is either (1) 30% over three years from the date of grant and 70% over five years from the date of grant or (2) 30% over three years from the date of grant and 10% each year over years four through ten from the date of grant. During the vesting period, dividends to RSA holders are held for them until the RSA vesting dates and are forfeited if the grantee is no longer employed by the Company on the vesting dates.  Dividends declared on these RSAs, less estimated forfeitures, are charged to retained earnings on the declaration date.  For RSAs issued by GAMCO prior to the spin-off of AC on November 30, 2015, the Company expenses the portion of the RSAs that correspond to the employee allocation between GAMCO and AC.

During 2015, the Board of Directors accelerated the lapsing of restrictions on the November 2013 grant of RSAs resulting in recognition of $3.5 million in stock compensation expense during 2015 that would have been recorded in 2016 through 2018.

On June 1, 2017, the Compensation Committee of AC accelerated the vesting of all 420,240 AC RSAs outstanding effective June 15, 2017.  As a result, GBL recorded an incremental $3.7 million of stock-based compensation expense for 2017.  This amount related to GBL teammates who held AC RSAs.

On August 7, 2017, the Compensation Committee of GBL accelerated the vesting relating to 201,120 of GBL RSAs outstanding effective August 31, 2017.  As a result, GBL recorded an incremental $1.8 million of stock-based compensation expense for 2017.  On December 27, 2017, the Compensation Committee of GBL accelerated the vesting relating to an additional 144,650 GBL RSAs resulting in an incremental $1.3 million of expense in 2017.

During 2016, in accordance with the deferred compensation agreement with Mr. Gabelli for the full year of 2016, the Company issued 2,314,695 RSUs, based upon the VWAP of the Company’s Class A Stock for 2016 of $32.8187, in satisfaction of Mr. Gabelli’s variable compensation of $75,965,266 for 2016.  These RSUs will vest 100% on January 1, 2020 and are being expensed ratably over the vesting period.  For 2017 and 2016, the Company expensed 25%, or $18,991,316, of this RSU in each year.  The Company will pay Mr. Gabelli an amount equal to the number of RSUs valued at the lesser of the VWAP of the Company’s Class A Stock for 2016 or the value on the lapse date.  Notwithstanding its ability to settle the award in stock, given the Company’s intent to settle it in cash, in accordance with GAAP (ASC 718), the award is accounted for as a liability-classified award and not as an equity-classified award.  The liability is remeasured at fair value on each reporting period from December 31, 2016 until the vesting date.  However, given the cap on the obligation in that Mr. Gabelli will not receive cash in excess of the VWAP of the Company’s Class A Stock for the 2016 fiscal year, the remeasurement of the liability at fair value will never exceed its value determined using that VWAP price.  Therefore, in accordance with GAAP, the Company marked to market the RSU payable on December 31, 2017 and December 31, 2016 to the closing prices of the Company’s Class A Stock of $29.65 and $30.89, respectively.  These mark to market adjustments resulted in a reduction of the RSU expense of $2.6 million and $1.1 million for 2017 and 2016, respectively.

On December 23, 2016, GAMCO entered into a deferred compensation agreement with Mr. Gabelli whereby his variable compensation for the first half of 2017 will be in the form of RSUs determined by the VWAP of the Company’s Class A Stock during the first half of 2017.  During 2017, in accordance with the deferred compensation agreement with Mr. Gabelli for the first half of 2017, the Company issued 1,244,018 RSUs, based upon the VWAP of the Company’s Class A Stock for the first half of 2017 of $29.6596, in satisfaction of Mr. Gabelli’s variable compensation of $36,897,086 for that period.  The RSUs will vest 100% on July 1, 2018, and the Company intends to settle the award in cash at that time; however, the Company reserves the right to issue shares of the Company’s Class A Stock in lieu of such cash payment.  Under the terms of the agreement the Company will pay Mr. Gabelli an amount equal to the number of RSUs valued at the lesser of the VWAP of the Company’s Class A Stock for the first half of 2017 or the value on the lapse date or, if not a trading day, then the first trading date thereafter.  For GAAP reporting, the Company will recognize the amount of Mr. Gabelli’s 2017 first half compensation ratably over the vesting period, or approximately 67% of the total during 2017 and 33% during 2018.  Notwithstanding its ability to settle the award in stock, given the Company’s intent to settle it in cash, in accordance with GAAP (ASC 718), the award is accounted for as a liability-classified award and not as an equity-classified award.  The liability is remeasured at fair value on each reporting period from June 30, 2017 until the vesting date.  However, given the cap on the obligation in that Mr. Gabelli will not receive cash in excess of the VWAP of the Company’s Class A Stock for the first half of the 2017 fiscal year, the remeasurement of the liability at fair value will never exceed its value determined using that VWAP price.  Therefore, in accordance with GAAP, the Company marked to market the RSU payable on December 31, 2017 to the closing price of the Company’s Class A Stock of $29.65.  This mark to market adjustment resulted in a reduction of the RSU expense of $17,000 for 2017.

On September 30, 2017, GAMCO entered into a deferred compensation agreement with Mr. Gabelli whereby his variable compensation for the fourth quarter of 2017 will be in the form of RSUs determined by the VWAP of the Company’s Class A Stock during the fourth quarter of 2017.  During 2017, in accordance with the deferred compensation agreement with Mr. Gabelli for the fourth quarter of 2017, the Company issued 530,662 RSUs, based upon the VWAP of the Company’s Class A Stock for the fourth quarter of 2017 of $29.1875, in satisfaction of Mr. Gabelli’s variable compensation of $15,488,708 for that period.  The RSUs will vest 100% on April 1, 2019, and the Company intends to settle the award in cash at that time; however, the Company reserves the right to issue shares of the Company’s Class A Stock in lieu of such cash payment.  Under the terms of the agreement the Company will pay Mr. Gabelli an amount equal to the number of RSUs valued at the lesser of the VWAP of the Company’s Class A Stock for the fourth quarter of 2017 or the value on the lapse date or, if not a trading day, then the first trading date thereafter.  For GAAP reporting, the Company will recognize the amount of Mr. Gabelli’s 2017 fourth quarter compensation ratably over the vesting period, or approximately 17% of the total during 2017, 66% during 2018 and 17% during 2019.  Notwithstanding its ability to settle the award in stock, given the Company’s intent to settle it in cash, in accordance with GAAP (ASC 718), the award is accounted for as a liability-classified award and not as an equity-classified award.  The liability is remeasured at fair value on each reporting period from December 31, 2017 until the vesting date.  However, given the cap on the obligation in that Mr. Gabelli will not receive cash in excess of the VWAP of the Company’s Class A Stock for the fourth quarter of the 2017 fiscal year, the remeasurement of the liability at fair value will never exceed its value determined using that VWAP price.  Therefore, in accordance with GAAP, and provided that the closing price of the Company’s Class A Stock of $29.65 was higher than the VWAP price over the fourth quarter of 2017 there was no mark to market adjustment recorded.

A summary of the stock option and RSA activity for the years ended December 31, 2017 and 2016 is as follows:

	Options				RSAs
								Weighted Average
			Weighted Average					Grant Date
	Shares		Exercise Price		Shares			Fair Value
Outstanding at December 31, 2015		-	$	-		553,100		$	64.02
Granted		-		-		-			-
Forfeited		-		-		(9,300	)		64.85
Exercised / Vested		-		-		(119,460	)		57.86
Outstanding at December 31, 2016		-		-		424,340			65.74
Granted		-		-		-			-
Forfeited		-		-		(4,500	)		78.62
Exercised / Vested		-		-		(400,440	)		65.60
Outstanding at December 31, 2017		-	$	-		19,400		$	65.67
Shares available for future issuance at
December 31, 2017		281,349

The total compensation costs related to non-vested awards not yet recognized is approximately $187,000 as of December 31, 2017. This will be recognized as expense in the following periods (in thousands):

2018		2019		2020		2021
$	187	$	-	$	-	$	-
2022		2023		2024		2025
$	-	$	-	$	-	$	-

For the years ended December 31, 2017, 2016 and 2015, the Company recorded approximately $8.7 million, $4.0 million and $9.9 million, respectively, in stock based compensation expense which resulted in the recognition of tax benefits of approximately $3.3 million, $1.5 million and $3.7 million, respectively. The $8.7 million for the year ended December 31, 2017, includes $6.8 million in stock compensation expense as a result of accelerating 345,770 RSAs.  The $9.9 million for the year ended December 31, 2015, includes $3.5 million in stock compensation expense as a result of accelerating the November 2013 grant of RSAs.  There were no comparable accelerations in the year ended December 31, 2016.

For the years ended December 31, 2015, the Company received approximately $1.2 million from the exercise of stock options which resulted in tax benefits of  $0.1 million.

Stock Repurchase Program

In 1999, the Board of Directors established the Stock Repurchase Program through which the Company has been authorized to purchase up to $9 million of Class A Stock. The Board of Directors authorized 500,000, 500,000 and 425,352 shares in August 2015, May 2017 and August 2017, respectively. In 2017, 2016 and 2015, we repurchased 484,526 shares, 348,687 shares and 426,628 shares, respectively, at an average price of $29.56 per share, $30.88 per share and $63.85 per share, respectively.  Please note, however, 2015 has not been adjusted for the Spin-off.  (For 2015, 413,228 shares were at an average investment of $64.86 per share prior to the distribution of AC on November 30, 2015 and 13,400 shares were at an average price of $32.56 following the distribution of AC.)  There remain 674,294 shares available under this program at December 31, 2017.

Dividends

During 2017, 2016 and 2015, the Company declared dividends of $0.08 per share, $0.08 per share and $0.28 per share, respectively, to class A and class B shareholders totaling $2.4 million, $2.4 million and $7.5 million, respectively. Under the terms of the RSA agreements, we accrue dividends, less estimated forfeitures, for RSA grantees from the date of grant but these dividends are held for grantees who are not entitled to receive dividends until their awards vest and only if they are still employed by the Company at those dates. As of December 31, 2017 and 2016, dividends accrued on RSAs not yet vested were approximately $24,000 and $0.4 million, respectively.

Shelf Registration

In April 2015, the SEC declared effective the Company’s “shelf” registration statement on Form S-3 giving the Company the flexibility to sell any combination of senior and subordinate debt securities, convertible debt securities and equity securities (including common and preferred securities) up to a total amount of $500 million. The shelf is available through April 2018, at which time it may be renewed.

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Capital Lease

12 Months Ended

Dec. 31, 2017

Capital Lease [Abstract]

Capital Lease

H. Capital Lease

On December 5, 1997, prior to the Offering in 1999, the Company entered into a fifteen-year lease, expiring on April 30, 2014, of office space from an entity controlled by members of the Chairman's family. On June 11, 2013, the Company modified and extended its lease with M4E, LLC, the Company’s landlord at 401 Theodore Fremd Ave, Rye, NY. The lease term was extended to December 31, 2028, and the base rental remained at $18 per square foot, or $1.1 million, for 2014.  From January 1, 2015 through December 31, 2028, the base rental will be determined by the change in the consumer price index for the New York Metropolitan Area for November of the immediate prior year with the base period as November 2008 for the New York Metropolitan Area.

The lease has been accounted for as a capital lease as it transfers substantially all the benefits and risks of ownership to GBL.  The Company has recorded the leased property as an asset and a capital lease obligation for the present value of the obligation of the leased property.  The leased property is amortized on a straight-line basis from the date of the most recent extension to the end of the lease. The capital lease obligation is amortized over the same term using the interest method of accounting.  Capital lease improvements are amortized from the date of expenditure through the end of the lease term or the useful life, whichever is shorter, on a straight-line basis.  The lease provides that all operating expenses relating to the property (such as property taxes, utilities and maintenance) are to be paid by the lessee, GBL.  These are recognized as expenses in the periods in which they are incurred.  Accumulated amortization on the leased property was approximately $4.9 million and $4.6 million at December 31, 2017 and 2016, respectively.

Future minimum lease payments for this capitalized lease at December 31, 2017 are as follows:

	(In thousands)
2018	$	1,230
2019		1,080
2020		1,080
2021		1,080
2022		1,080
Thereafter		6,480
Total minimum obligations		12,030
Interest		7,075
Present value of net obligations	$	4,955

Lease payments under this agreement amounted to approximately $1.2 million, $1.2 million and $1.2 million for each of the years ended December 31, 2017, 2016 and 2015, respectively. The capital lease contains an escalation clause tied to the change in the New York Metropolitan Area Consumer Price Index which may cause the future minimum payments to exceed $1,080,000 annually. Future minimum lease payments have not been reduced by related minimum future sublease rentals of approximately $1.1 million due over the next six years, which are due from affiliated entities. Total minimum obligations exclude the operating expenses to be borne by the Company, which are estimated to be approximately $0.7 million per year.

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Contractual Obligations

12 Months Ended

Dec. 31, 2017

Contractual Obligations [Abstract]

Contractual Obligations

I. Contractual Obligations

We rent office space under leases which expire at various dates through January 31, 2022. Future minimum lease commitments under these operating leases as of December 31, 2017 are as follows:

	(In thousands)
2018	$	808
2019		479
2020		47
2021		47
2022		4
Total	$	1,385

Equipment rentals and occupancy expense amounted to approximately $2.2 million, $2.4 million and $2.3 million for the years ended December 31, 2017, 2016 and 2015, respectively.

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Shareholder-Designated Contribution Plan

12 Months Ended

Dec. 31, 2017

Shareholder-Designated Contribution Plan [Abstract]

Shareholder-Designated Contribution Plan

J. Charitable Contributions

During 2013, the Company established a Shareholder Designated Charitable Contribution program.  Under the program, each shareholder is eligible to designate a charity to which the Company would make a donation based upon the actual number of shares registered in the shareholder’s name.  Shares held in nominee or street name were not eligible to participate.  The Board of Directors approved one contribution during 2015 of $0.25 per registered share.  During 2015, the Company recorded a charge of $6.4 million, or $0.12 per diluted share, net of management fee and tax benefit related to the contributions which were included in charitable contributions on the consolidated statements of income.  During 2017, the Company recorded a charge of $4.1 million, or $0.08 per diluted share, net of management fee and tax benefit related to contributions which were included in charitable contributions on the consolidated statements of income.

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Related Party Transactions

12 Months Ended

Dec. 31, 2017

Related Party Transactions [Abstract]

Related Party Transactions

K. Related Party Transactions

The following is a summary of certain related party transactions.

GGCP Holdings LLC owns a majority of our Class B Stock, representing approximately 91% of the combined voting power and 63% of the outstanding shares of our common stock at December 31, 2017.

AC and its subsidiaries, own 4.4 million shares of our Class A Stock, representing approximately 2% of the combined voting power and 15% of the outstanding shares of our common stock at December 31, 2017.

Capital Lease

We lease an approximately 60,000 square foot building located at 401 Theodore Fremd Avenue, Rye, New York as our headquarters (the “Building”) from an entity controlled by members of the Chairman’s family. See Notes H and I.

We sub-lease approximately 3,300 square feet in the Building to LICT Corporation, a company for which Mr. Gabelli serves as Chairman and CEO, which pays rent at the rate of $28 per square foot plus $3 per square foot for electricity, subject to adjustment for increases in taxes and other operating expenses. The total amounts paid in 2017, 2016, and 2015 for rent and other expenses under this lease were $116,756, $116,564, and $119,686, respectively. Concurrent with the extension of the lease on the Building during 2008, we and LICT Corporation further agreed to extend the term of the sub-lease until December 2023 on the same terms and conditions. As of July 1, 2008, we also sub-lease approximately 1,600 square feet in the Building to Teton. Teton pays rent at the rate of $37.75 per square foot plus $3 per square foot for electricity, subject to adjustment for increases in taxes and other operating expenses. The total amount paid in 2017, 2016 and 2015 for rent and other expenses under this lease were $68,293, $68,205 and $69,632, respectively, and were recorded in other operating expenses as a credit on the consolidated statements of income. As of April 1, 2016, we lease approximately 15,000 square feet in the Building to AC.  For the period of April 1, 2016 to March 31, 2017, AC paid rent at the rate of $21.62 per square foot plus $3 per square foot for electricity, subject to adjustment for increases in taxes and other operating expenses.  Effective April 1, 2017, AC paid rent at the rate of $22.03 per square foot plus $3 per square foot for electricity.  The total amount paid in 2017 and 2016 for rent and other expenses under this lease was $367,798 and $297,185 and was recorded in distribution fee and other income on the consolidated statements of income.

Investment Advisory Services

GAMCO has entered into agreements to provide advisory and administrative services to MJG Associates, Inc., which is wholly-owned by Mr. Gabelli, with respect to the private investment funds managed by them. Pursuant to such agreements, MJG Associates, Inc. paid GAMCO $10,000 (excluding reimbursement of expenses) for each of the years 2017, 2016, and 2015. For 2017, 2016 and 2015, Manhattan Partners I, L.P. and Manhattan Partners II, L.P., investment partnerships for which John Gabelli Inc., an entity owned by John Gabelli, a brother of the Company’s Chairman, is the general partner, paid GAMCO investment advisory fees in the amount of $9,851, $11,274 and $13,595, respectively. In addition, an entity in which Mr. John Gabelli’s wife is the sole shareholder, is the co-general partner of S.W.A.N. Partners, LP (“S.W.A.N.”). S.W.A.N. paid GAMCO investment advisory fees in the amount of $19,776, $18,206 and $20,406 for 2017, 2016 and 2015, respectively, and is included in investment advisory and incentive fees on the consolidated statements of income.  Effective August 17, 2017, John Gabelli Inc. is no longer the general partner of Manhattan Partners I, L.P. or Manhattan Partners II, L.P. and the entity that John Gabelli’s wife is the sole shareholder in is no longer the co-general partner of S.W.A.N.

The Company serves as the investment advisor for the Funds and earns advisory fees based on predetermined percentages of the average net assets of the Funds.  In addition, G.distributors has entered into distribution agreements with each of the Funds.  As principal distributor, G.distributors incurs certain promotional and distribution costs related to the sale of Fund shares, for which it receives a distribution fee from the Funds or reimbursement from the investment advisor.  For 2017, 2016 and 2015, the Company received $39.7 million, $41.0 million and $47.7 million, respectively, in distributions fees.  Advisory and distribution fees receivable from the Funds were approximately $30.4 million and $32.9 million at December 31, 2017 and 2016, respectively.

Pursuant to an agreement between Gabelli & Company Investment Advisers, Inc. (“GCI”) (formerly called Gabelli Securities, Inc.) and Funds Advisor, Funds Advisor pays to GCI 90% of the net revenues received by Funds Advisor related to being the advisor to the SICAV.  Net revenues are defined as gross advisory fees less expenses related to payouts and expenses of the SICAV paid by Funds Advisor.  The amounts paid by Funds Advisor to GCI for 2017,  2016 and 2015 were $2.8 million, $2.7 million and $1.0 million, respectively, and are included in other operating expenses on the consolidated statements of income.

Compensation

Immediately preceding the Offering and in conjunction with the Reorganization, GBL and our Chairman and CEO entered into an employment agreement. This agreement was amended and approved by shareholders on November 30, 2007 and most recently re-approved by shareholders on May 6, 2011.

Under the terms of this agreement and consistent with the firm’s practice since its inception in 1977, Mr. Gabelli will also continue receiving a percentage of revenues or net operating contribution, which are substantially derived from AUM, as compensation relating to or generated by the following activities: (i) managing or overseeing the management of various investment companies and partnerships, (ii) attracting mutual fund shareholders, (iii) attracting and managing Institutional and Private Wealth Management clients, and (iv) otherwise generating revenues for the Company. Such payments are made in a manner and at rates as agreed to from time to time by GAMCO, which rates have been and generally will be the same as those received by other professionals at GAMCO performing similar services. With respect to our Institutional and Private Wealth Management and mutual fund advisory business, we pay out up to 40% of the revenues or net operating contribution to the portfolio managers and marketing staff who introduce, service or generate such business, with payments involving the Institutional and Private Wealth Management accounts being typically based on revenues and payments involving the mutual funds being typically based on net operating contribution.

Mr. Gabelli has agreed that while he is employed by us he will not provide investment management services outside of GAMCO, except for certain permitted accounts as defined under the agreement. The 2008 Employment Agreement may not be amended without the approval of the Compensation Committee and Mr. Gabelli.

The Chairman and CEO receives compensation in the form of a management fee for managing the Company.  Additionally, he earns compensation for acting as portfolio manager and/or attracting and providing client service to a large number of GAMCO's Institutional and Private Wealth Management clients, for creating and acting as portfolio manager of several open-end funds, for creating and acting as portfolio manager of the closed-end funds and for providing other services.

On December 29, 2017, the Company issued $11.7 million of notes payable to certain executive officers and employees relating to compensation earned in 2017.  $5.5 million of the notes are due on January 31, 2018 and $6.2 million are due on February 28, 2018.  The notes are included in compensation payable on the consolidated statement of financial condition.

Other

On May 31, 2006, the Company entered into an Exchange and Standstill Agreement with Frederick J. Mancheski, a significant shareholder, pursuant to which, among other things, he agreed to exchange his 2,071,635 shares of Class B Stock, which he received on a pari passu basis with his investment in GGCP, for an equal number of shares of Class A Stock. The standstill agreement expired on May 31, 2016. Under the terms of the standstill agreement, Mr. Mancheski agreed, among other things, to vote his shares in favor of the nominees and positions advocated by the Board of Directors. As stated in the latest available Form 13D filed by Mr. Mancheski on July 2, 2015, he continues to exercise voting control over 1,705,974 shares of Class A Stock.

For 2017, 2016, and 2015, we incurred variable costs (but not the fixed costs) of $328,000, $353,000, and $432,000, respectively, for actual usage relating to our use of aircraft in which GGCP owns the fractional interests.

GBL and Teton entered into a transitional administrative and management service agreement in connection with the spin-off of Teton from GBL that formalized certain arrangements. Effective January 1, 2011, Teton and GBL renegotiated the terms of the sub-administration agreement from a flat 0.20% on the average net assets of the mutual funds managed by Teton to 0.20% on the first $370 million in average net assets, 0.12% on the next $630 million in average net assets and 0.10% on average net assets in excess of $1 billion, as compensation for providing mutual fund administration services. Additionally, Teton paid to GBL an administrative services fee of $25,000 per month from April 1, 2014 through September 30, 2016.  The administrative services fee was reduced to $18,750 per month for October 1, 2016 through May 31, 2017, and further reduced to $4,167 per month for June 1, 2017 through December 31, 2017.  During 2017, 2016 and 2015, there was $2.1 million, $2.0 million and $2.2 million, respectively, included in distribution fees and other income on the consolidated statements of income.

Effective January 1, 2014, GAMCO and Funds Advisor each entered into a research services agreement with G.research, LLC, a wholly-owned subsidiary of GCI, for G.research, LLC to provide them with the same types of research services that it provides to its other clients.  For the years ended December 31, 2017, 2016 and 2015, GAMCO paid G.research, LLC $2.3 million, $1.5 million and $0.7 million, respectively. For the years ended December 31, 2017, 2016 and 2015, Funds Advisor paid G.research, LLC $2.3 million, $1.5 million and $0.8 million, respectively.

GBL and AC entered into a transitional administrative and management services agreement in connection with the Spin-off.  The agreement calls for GBL to provide to AC certain services including but not limited to: accounting, financial reporting and consolidation services, including the services of a financial and operations principal; treasury services, including, without limitation, insurance and risk management services and administration of benefits; tax planning, tax return preparation, recordkeeping and reporting services; human resources, including but not limited to the sourcing of permanent and temporary employees as needed, recordkeeping, performance reviews and terminations; legal and compliance advice, including the services of a Chief Compliance Officer; technical/technology consulting; and operations and general administrative assistance, including office space, office equipment and furniture, payroll, procurement, and administrative personnel.  In addition, AC will provide GBL with payroll services.  All services provided under the agreement by GBL to AC or by AC to GBL will be charged at cost.  The agreement is terminable by either party on 30 days’ prior written notice to the other party and has a term of twelve months.

At December 31, 2014, GCI owed GBL a demand loan of $16 million bearing interest at 5.5% annually.  On December 28, 2015, GCI repaid the demand loan in full plus accrued and unpaid interest.  The interest paid by GCI to GBL during 2015 was $0.9 million.

In connection with the spin-off of AC on November 30, 2015, the Company issued the AC 4% PIK Note.  During 2017, 2016 and 2015, GBL recorded interest expense of $3.0 million, $7.7 million and $0.8 million, respectively.  See Note F. Debt for further details.

In connection with the Offer, the Company borrowed $35.0 million from GGCP, which was repaid in full during 2016. During  2016, GBL recorded interest expense of  $415,000.  See Note F. Debt for further details.

On December 27, 2017, GBL borrowed $15 million from AC.  The note bears interest at 1.6% and is due on February 28, 2018.  During 2017, GBL recorded interst expense of $4,000.  See Note F. Debt for further details.

In connection with the issuance of the Convertible Note, GGCP deposited cash equal to the principal amount of the Note and six months interest into an escrow account established pursuant to an escrow agreement by and among GGCP, the Company, the Convertible Note holder and the escrow agent.  The Company paid the annual costs of setting up the escrow account in the amount of $55,000 and will continue to pay them as long as the escrow account is open.  The Company did not pay any fees to GGCP in connection with the funding of the escrow account. On September 30, 2017, in connection with an amendment to the Escrow Agreement and in exchange for approximately 53% of the assets in the escrow account, the Company paid GGCP $60 million.  On November 21, 2017, the Company paid GGCP $53.1 million for the remaining 47% interest in the escrow account and used the entire balance in the escrow account, along with an additional $1.4 million, to repurchase the Convertible Note.  See Note F. Debt for additional details.

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Financial Requirements

12 Months Ended

Dec. 31, 2017

Financial Requirements [Abstract]

Financial Requirements

L. Financial Requirements

As a registered broker-dealer, G.distributors is subject to the Uniform Net Capital Rule 15c3-1 (the “Rule”) of the SEC.  These regulatory capital requirements, while not specific encumbrances on assets, restrict the total assets of this subsidiary broker-dealer to the extent they are needed to fulfill the regulatory capital requirements.  Accordingly, this restriction limits the transfer of funds from this subsidiary to the Company in the form of cash dividends or otherwise.  This restriction is 120% of its minimum net capital.  G.distributors computes its net capital under the alternative method permitted by the Rule which requires minimum net capital of $250,000, and it exceeded this requirement at December 31, 2017.

Our subsidiary, GAMCO Asset Management (UK) Limited is authorized and regulated by the Financial Conduct Authority (“FCA”). In February 2011, GAMCO Asset Management (UK) Limited increased its permitted license with the FCA’s predecessor, the Financial Services Authority (“FSA”) and has held Total Capital of £632,000 and £580,000 ($853,000 and $713,000 at December 31, 2017 and 2016, respectively) and had a Financial Resources Requirement of £216,000 and £265,000 ($291,000 and $326,000 at December 31, 2017 and 2016, respectively). We have consistently met or exceeded these minimum requirements.

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Administration Fees

12 Months Ended

Dec. 31, 2017

Administration Fees [Abstract]

Administration Fees

M. Administration Fees

We have entered into administration agreements with other companies (the “Administrators”), whereby the Administrators provide certain services on behalf of several of the Funds.  Such services do not include the investment advisory and portfolio management services provided by GBL.  The fees were negotiated and based on predetermined percentages of the net assets of each of the Funds.

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Profit Sharing Plan and Incentive Savings Plan

12 Months Ended

Dec. 31, 2017

Profit Sharing Plan and Incentive Savings Plan [Abstract]

Profit Sharing Plan and Incentive Savings Plan

N. Profit Sharing Plan and Incentive Savings Plan

The Company has a qualified contributory employee profit sharing plan and incentive savings plan covering substantially all employees.  Company contributions to the plans are determined annually by the Board of Directors but may not exceed the amount permitted as a deductible expense under the Internal Revenue Code.  The Company accrued contributions of approximately $109,000, $77,000 and $26,000 to the plans for the years ended December 31, 2017, 2016 and 2015, respectively.

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Identifiable Intangible Asset

12 Months Ended

Dec. 31, 2017

Identifiable Intangible Assets [Abstract]

Identifiable Intangible Assets

O. Identifiable Intangible Asset

As a result of becoming the advisor to the Gabelli Enterprise Mergers and Acquisitions Fund and the associated consideration paid, the Company maintains an identifiable intangible asset of $1.9 million within other assets on the consolidated statements of financial condition at both December 31, 2017 and 2016.  The investment advisory agreement is subject to annual renewal by the fund's Board of Directors, which the Company expects to be renewed, and the Company does not expect to incur additional expense as a result, which is consistent with other investment advisory agreements entered into by the Company.  The advisory contract for the Gabelli Enterprise Mergers and Acquisitions Fund are next up for renewal in February 2019.  On November 1, 2015, as a result of becoming the advisor to the Bancroft Fund Ltd. and the Ellsworth Growth and Income Fund Ltd. and the associated consideration paid, the Company maintains an identifiable intangible asset of $1.6 million within other assets on the consolidated statement of financial condition at both December 31, 2017 and 2016.  The advisory contracts for the Bancroft Fund Ltd. and the Ellsworth Growth and Income Fund Ltd. are both next up for renewal in November 2018.  At November 30, 2017 and November 30, 2016, management conducted its annual assessments of the recoverability of the intangible assets and determined that there was no impairment of it on GBL’s consolidated financial statements.

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Discontinued Operations

12 Months Ended

Dec. 31, 2017

Discontinued Operations [Abstract]

Discontinued Operations

P.  Discontinued Operations

As a result of the Spin-off, the results of AC’s operations through the Spin-off Date, as well as transaction costs related to the Spin-off, have been classified in the consolidated statements of income as discontinued operations for all periods presented.  There was no gain or loss on the Spin-off for the Company, and it was a tax-free spin-off to GBL’s shareholders.

GBL does not have any significant continuing involvement in the operations of AC after the Spin-off, and the Company will not have the ability to influence operating or financial policies of AC.  GBL and AC did have a common Chief Executive Officer for a transition period, and GBL does provide certain services to AC under a Transition Services Agreement (see Note K. Related Party Transactions for details).  The Company also has debt on its consolidated statement of financial condition at December 31, 2017 and 2016 that is payable to AC.  That AC note pays interest at 4%, which is payable in cash or PIK, and will be paid off ratably over five years, or sooner at GBL’s option (see Note F. Debt for details).  AC owns 4.4 million shares of GBL’s Class A Stock on which it will receive dividends, if and when they are declared (see Note K. Related Party Transactions for details).  As with all stockholders, employees and directors of GBL received one share of AC stock for each share of GBL stock that they held on the record date for the distribution.  Some of these AC shares are unvested restricted stock awards to the extent an employee’s holdings consisted of unvested GBL restricted stock awards on the record date.  The vesting provisions remain unchanged (see Note G. Equity for details).

The 2015 results include $2.4 million in costs incurred with respect to the Spin-off and are included in Other operating expenses below.  Operating results for the period from January 1, 2015 through November 30, 2015 are summarized below:

	Year Ended
	December 31,
	2015
Revenues
Investment advisory and incentive fees	$	8,552
Distribution fees and other income		279
Institutional research services		8,973
Total revenues		17,804
Expenses
Compensation		20,500
Stock based compensation		4,716
Management fee		(727	)
Distribution costs		(85	)
Other operating expenses		9,070
Total expenses		33,474
Operating loss		(15,670	)
Other income
Net gain from investments		7,660
Interest and dividend income		2,740
Interest expense		(1,224	)
Total other income, net		9,176
Loss from discontinued operations before income taxes		(6,494	)
Income tax benefit		(2,045	)
Loss from discontinued operations, net of taxes		(4,449	)
Net loss attributable to noncontrolling interests		(562	)
Net loss attributable to GAMCO Investors, Inc.'s
discontinued operations, net of taxes	$	(3,887	)

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Other Matters

12 Months Ended

Dec. 31, 2017

Other Matters [Abstract]

Other Matters

Q. Other Matters

From time to time, the Company may be named in legal actions and proceedings.  These actions may seek substantial or indeterminate compensatory as well as punitive damages or injunctive relief.  The Company is also subject to governmental or regulatory examinations or investigations.  The examinations or investigations could result in adverse judgments, settlements, fines, injunctions, restitutions or other relief.  For any such matters, the consolidated financial statements include the necessary provisions for losses that the Company believes are probable and estimable.  Furthermore, the Company evaluates whether there exist losses which may be reasonably possible and, if material, makes the necessary disclosures.  Such amounts, both those that are probable and those that are reasonably possible, are not considered material to the Company’s financial condition, operations or cash flows.

The investment management industry is likely to continue facing a high level of regulatory scrutiny and become subject to additional rules designed to increase disclosure, tighten controls and reduce potential conflicts of interest.  In addition, the SEC has substantially increased its use of focused inquiries which request information from a number of fund complexes regarding particular practices or provisions of the securities laws.  The Company participates in some of these inquiries in the normal course of our business.  Changes in laws, regulations and administrative practices by regulatory authorities, and the associated compliance costs, have increased our cost structure and could in the future have a material impact.

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Quarterly Financial Information (Unaudited)

12 Months Ended

Dec. 31, 2017

Quarterly Financial Information (Unaudited) [Abstract]

Quarterly Financial Information

R. Quarterly Financial Information (Unaudited)

Quarterly financial information for the years ended December 31, 2017 and 2016 is presented below.

	2017
	1st		2nd		3rd		4th		Total
(In thousands, except per share data)
Revenues	$	85,917	$	87,600	$	88,341	$	98,666	$	360,524
Operating income		42,443		39,660		23,393		39,524		145,020
Net income attributable to GAMCO
Investors, Inc.'s shareholders		24,820		22,894		16,600		13,495		77,809
Net income attributable to GAMCO
Investors, Inc.'s shareholders per share:
Basic		0.86		0.79		0.57		0.46		2.68
Diluted	$	0.82	$	0.76	$	0.55	$	0.46	$	2.60

	2016
	1st		2nd		3rd		4th		Total
Revenues	$	81,385	$	83,944	$	87,721	$	99,950	$	353,000
Operating income		44,942		46,747		48,076		52,031		191,796
Net income attributable to GAMCO
Investors, Inc.'s shareholders		26,025		27,543		30,861		32,692		117,121
Net income attributable to GAMCO
Investors, Inc.'s shareholders per share:
Basic		0.89		0.94		1.06		1.12		4.01
Diluted	$	0.88	$	0.93	$	1.03	$	1.07	$	3.92

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Subsequent Events

12 Months Ended

Dec. 31, 2017

Subsequent Events [Abstract]

Subsequent Events

S. Subsequent Events

On January 5, 2018, the Compensation Committee of the Board of Directors approved the accelerated vesting of the remaining 19,400 RSAs.  The Company will record an expense of $187,000 during the first quarter of 2018.

On February 6, 2018, the Board of Directors declared a regular quarterly dividend of $0.02 per share to all of its shareholders, payable on March 27, 2018 to shareholders of record on March 13, 2018.

On February 6, 2018, GAMCO and Funds Advisor each renewed their research services agreement with G.research, LLC whereby each entity will pay $1.5 million for the services in 2018.

On February 6, 2018, the Company and AC renewed their sublease for the period of April 1, 2018 to March 31, 2019.  AC will pay rent at the rate of $36.71 per square foot plus $3 per square foot for electricity, subject to adjustment for increases in taxes and other operating expenses.

On February 23, 2018, the Company announced that Mr. Gabelli elected to waive all his compensation that he would otherwise be entitled to under his employment agreement from the period of March 1, 2018 to December 31, 2018.

On February 28, 2018, the Company paid in full the 1.6% $15 million note to AC.

On March 5, 2018, AC completed an exchange offer with respect to its Class A shares.  Tendering shareholders will receive 1.35 GBL Class A shares for each AC Class A share that they tender, together with cash in lieu of any fractional share.  There were approximately 490,000 AC Class A shares tendered and accepted by AC.  AC will deliver approximately 660,000 GBL Class A shares that they hold to the tendering shareholders.  After the exchange, AC and its subsidiaries, own 3.7 million shares of our Class A Stock, representing approximately 2% of the combined voting power and 13% of the outstanding shares of our common stock.

From January 1, 2018 to March 8, 2018, the Company repurchased 59,611 shares at $29.33 per share. As a result, there are 614,683 shares available to be repurchased under our existing buyback plan at March 8, 2018.

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Schedule I - CONDENSED FINANCIAL STATEMENTS

12 Months Ended

Dec. 31, 2017

Schedule I - CONDENSED FINANCIAL STATEMENTS [Abstract]

Schedule I - CONDENSED FINANCIAL STATEMENTS

Exhibit 99.1

Schedule I

GAMCO INVESTORS, INC.

CONDENSED STATEMENTS OF INCOME

(Parent company only)

(In thousands, except per share data)

	Year Ended December 31,
	2017			2016			2015
Revenues
Distribution fees and other income	$	25,468		$	29,045		$	26,860
Total revenues		25,468			29,045			26,860
Expenses
Compensation		1,469			1,929			3,550
Stock based compensation		8,670			3,959			9,868
Management fee benefit		(3,082	)		(13,943	)		(2,209	)
Other operating expenses		7,329			9,102			9,243
Total expenses		14,386			1,047			20,452
Operating income		11,082			27,998			6,408
Other income (expense)
Equity earnings from subsidiaries		72,001			100,698			87,206
Net gain from investments		3,230			1,447			4,635
Extinguishment of debt		(3,300	)		-			(1,067	)
Interest and dividend income		1,703			1,447			2,246
Interest expense		(9,347	)		(11,814	)		(7,886	)
Charitable contributions		(4,137	)		-			(6,396	)
Total other income, net		60,150			91,778			78,738
Income before income taxes		71,232			119,776			85,146
Income tax provision/(benefit)		(6,577	)		2,655			(2,204	)
Income from continuing operations		77,809			117,121			87,350
Loss from discontinued operations, net of taxes		-			-			(3,938	)
Net income	$	77,809		$	117,121		$	83,412

GAMCO INVESTORS, INC.

CONDENSED STATEMENTS OF FINANCIAL CONDITION

(Parent company only)

(In thousands, except per share data)

	December 31,
	2017			2016
ASSETS
Cash and cash equivalents	$	5,990		$	7,209
Investments in securities		36,750			37,235
Receivable from brokers		1,246			55
Investment in subsidiaries and receivable from affiliates		108,669			57,274
Capital lease		2,304			2,514
Income tax receivable		77,832			-
Other assets		3,655			4,149
Total assets	$	236,446		$	108,436
LIABILITIES AND EQUITY
Payable to brokers	$	14,926		$	66
Capital lease obligation		4,943			5,066
Compensation payable		73,275			27,496
Payable to affiliates		134,318			462
Accrued expenses and other liabilities		16,113			5,556
Sub-total		243,575			38,646
AC 4% PIK Note (due November 30, 2020)		50,000			100,000
4.5% Convertible note (due August 15, 2021)		-			109,835
AC 1.6% Note Payable (due February 28, 2018)		15,000			-
5.875% Senior notes (due June 1, 2021)		24,144			24,120
Total liabilities		332,719			272,601
Total equity (deficit)		(96,273	)		(164,165	)
Total liabilities and equity	$	236,446		$	108,436

GAMCO INVESTORS, INC.

CONDENSED STATEMENTS OF CASH FLOWS

(Parent company only)

(In thousands)

	Year Ended December 31,
	2017			2016			2015
Operating activities
Net income	$	77,809		$	117,121		$	83,412
Loss from discontinued operations, net of taxes		-			-			3,938
Income from continuing operations		77,809			117,121			87,350
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization		570			607			595
Stock based compensation expense		8,670			3,959			9,868
Tax benefit from exercise of stock options		-			-			102
Donated securities		1,124			499			1,945
Gains on sales of available for sale securities		(62	)		(4	)		(6	)
Accretion of zero coupon debentures		-			-			628
Loss on extinguishment of debt		3,300			-			1,067
(Increase) decrease in assets:
Investments in trading securities		(1	)		(5	)		-
Receivable from affiliates		(53,797	)		(25,510	)		(31,205	)
Receivable from brokers		(1,192	)		580			976
Income tax receivable and deferred tax assets		(77,832	)		11,991			29,164
Other assets		136			(330	)		(478	)
Increase (decrease) in liabilities:
Payable to affiliates		133,856			(30,567	)		31,017
Payable to brokers		(990	)		54			(539	)
Income taxes payable and deferred tax liabilities		12,281			(1,137	)		3,920
Compensation payable		45,779			16,351			(3,319	)
Accrued expenses and other liabilities		(2,205	)		(700	)		(424	)
Total adjustments		69,637			(24,212	)		43,311
Net cash provided by operating activities from continuing operations	$	147,446		$	92,909		$	130,661

GAMCO INVESTORS, INC.

CONDENSED STATEMENTS OF CASH FLOWS

(Parent company only)

(In thousands)

	Year Ended December 31,
	2017			2016			2015
Investing activities
Purchases of available for sale securities	$	(3,932	)	$	(1,843	)	$	(6,279	)
Proceeds from sales of available for sale securities		4,169			408			81
Net cash provided by/(used in) investing activities from continuing operations		237			(1,435	)		(6,198	)
Financing activities
Repurchase of Zero coupon subordinated debentures due December 31, 2015		-			-			(13,101	)
Repurchase of 5.875% Senior note due June 1, 2021		-			-			(76,533	)
Repayment of AC 4% PIK Note due November 30, 2020		(50,000	)		(150,000	)		-
Issuance of 4.5% Convertible note due August 15, 2021		-			109,826			-
Repayment of 4.5% Convertible note due August 15, 2021		(113,300	)		-			-
Repayment of GGCP loan due December 28, 2016		-			(35,000	)		-
Proceeds from GGCP due December 28, 2016		-			-			35,000
Proceeds from 1.6% AC Note de February 28, 2018		15,000			-			-
Margin loan borrowings		20,850			-			-
Margin loan repayments		(5,000	)		-			-
Amortization of debt issuance costs		187			33			-
Dividends paid by subsidiaries to GBL		-			-			164,000
Net transfer to AC		-			-			(196,297	)
Proceeds from exercise of stock options		-			-			1,167
Dividends paid		(2,315	)		(2,333	)		(7,468	)
Purchase of treasury stock		(14,324	)		(10,773	)		(27,249	)
Net cash used in financing activities from continuing operations		(148,902	)		(88,247	)		(120,481	)
Cash flows of discontinued operations
Net cash provided by operating activities		-			-			82,759
Net cash used in investing activities		-			-			(35,216	)
Net cash used in financing activities		-			-			(47,543	)
Net cash provided by/(used in) discontinued operations		-			-			-
Net increase (decrease) in cash and cash equivalents		(1,219	)		3,227			3,982
Cash and cash equivalents at beginning of period		7,209			3,982			-
Cash and cash equivalents at end of period	$	5,990		$	7,209		$	3,982
Supplemental disclosures of cash flow information:
Cash paid for interest	$	10,891		$	10,425		$	6,282
Cash paid for taxes	$	61,704		$	74,457		$	58,353

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Significant Accounting Policies (Policies)

12 Months Ended

Dec. 31, 2017

Significant Accounting Policies [Abstract]

Basis of Presentation

Basis of Presentation

GAMCO Investors, Inc. (“GBL”, “We” or the “Company”) was incorporated in April 1998 in the state of New York, with no significant assets or liabilities and did not engage in any substantial business activities prior to the initial public offering (“Offering”) of our shares.  On February 9, 1999, we exchanged 24 million shares of our Class B Common Stock (“Class B Stock”), representing all of our then issued and outstanding common stock, with Gabelli Funds, Inc. (“GFI”) and two of its subsidiaries in consideration for substantially all of the operating assets and liabilities of GFI, relating to its institutional and retail asset management, mutual fund advisory, underwriting and brokerage business (the “Reorganization”).   GFI, which was renamed Gabelli Group Capital Partners, Inc. in 1999, is the majority shareholder of GBL and was renamed GGCP, Inc. (“GGCP”) in 2005.  During 2010, the shares of GBL owned by GGCP were transferred to GGCP Holdings LLC, a subsidiary of GGCP.  In 2014, the Company changed its state of incorporation from New York to Delaware in a tax-free reorganization.  On November 30, 2015 (the “Spin-Off Date”), GBL distributed to its stockholders all of the outstanding common stock of Associated Capital Group, Inc. (“AC”) and its subsidiaries along with certain cash and other assets (the “Spin-off”).  AC owns and operates, directly or indirectly, the alternatives and the institutional research businesses previously owned and operated by GBL.  In the Spin-off, each holder of GAMCO’s Class A Common Stock (“Class A Stock”) of record as of 5:00 p.m. New York City time on November 12, 2015 (the “Record Date”), received one share of AC Class A common stock for each share of GAMCO Class A Stock held on the Record Date.  Each record holder of GAMCO’s Class B Stock received one share of AC Class B common stock for each share of GAMCO Class B Stock held on the Record Date.  Subsequent to the Spin-off, GAMCO no longer consolidates the financial results of AC or certain investment partnerships and offshore funds in which we had a direct or indirect controlling financial interest for the purposes of GAMCO’s financial reporting and the historical financial results of AC and certain investment partnerships and offshore funds have been reflected in the Company’s consolidated financial statements as discontinued operations for all periods presented through the Spin-off Date.

The accompanying consolidated financial statements include the assets, liabilities and earnings of:

·  GBL;

·  Our wholly-owned subsidiaries: Gabelli Funds, LLC (“Funds Advisor”), GAMCO Asset Management Inc. (“GAMCO”), Distributors Holdings, Inc. (“DHI”), G.distributors, LLC (“G.distributors”), GAMCO Asset Management (UK) Limited, Gabelli Fixed Income, Inc. (“Fixed Income”), GAMCO International Partners LLC, and GAMCO Acquisition LLC.

The consolidated financial statements comprise the financial statements of GBL and its subsidiaries as of December 31 of each year.  The financial statements of the subsidiaries are prepared for the same reporting year as the parent company, using consistent accounting policies.  All intercompany transactions and balances have been eliminated.  Subsidiaries are fully consolidated from the date of acquisition, being the date on which GBL obtains control, and continue to be consolidated until the date that such control ceases.

Reclassifications

Reclassifications

The historical results of AC and certain investment partnerships and offshore funds have been reflected in the accompanying consolidated statements of income for the year ended December 31, 2015 as discontinued operations and financial information related to discontinued operations has been excluded from the notes to these financial statements for all periods presented (See Note P. Discontinued Operations for further details).

Use of Estimates

Use of Estimates

The preparation of the consolidated financial statements in conformity with U.S. generally accepted accounting principles (“GAAP”) requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting period.  Actual results could differ from those estimates. 

Nature of Operations

Nature of Operations

GAMCO, Funds Advisor, Gabelli Fixed Income LLC (“Fixed Income LLC”), a wholly-owned subsidiary of Fixed Income are registered investment advisors under the Advisers Act of 1940. G.distributors is a registered broker-dealer with the Securities and Exchange Commission (“SEC”) and is regulated by the Financial Industry Regulatory Authority (“FINRA”).  Refer to Major Revenue-Generating Services and Revenue Recognition section within Note A for additional discussion of GBL's business.

Cash and Cash Equivalents

Cash and Cash Equivalents

Cash equivalents primarily consist of an affiliated money market mutual fund which is highly liquid.  U.S. Treasury Bills and Notes with maturities of three months or less at the time of purchase are also considered cash equivalents. 

Securities Transactions

Securities Transactions

Investments in securities are accounted for as either “trading securities” or “available for sale” and are stated at fair value.  Management determines the appropriate classification of debt and equity securities at the time of purchase.  U.S. Treasury Bills and Notes with maturities of greater than three months at the time of purchase are considered investments in securities.  Securities that are not readily marketable are stated at their estimated fair values in accordance with GAAP.  A portion of investments in securities are held for resale in anticipation of short-term market movements and therefore are classified as trading securities.  Trading securities are stated at fair value, with any unrealized gains or losses reported in current period earnings in net gain/(loss) from investments on the consolidated statements of income.  Available for sale (“AFS”) investments are stated at fair value, with any unrealized gains or losses, net of taxes, reported as a component of  other comprehensive income except for losses deemed to be other than temporary which are recorded as realized losses on the consolidated statements of income.  Securities transactions and any related gains and losses are recorded on a trade date basis.  Realized gains and losses from securities transactions are recorded on the specific identified cost basis and are included in net gain/(loss) from investments on the consolidated statements of income. 

Available for sale securities are evaluated for other than temporary impairments each reporting period and any impairment charges are recorded in net gain/(loss) from investments on the consolidated statements of income.  Management reviews all available for sale securities whose cost exceeds their fair value to determine if the impairment is other than temporary.  Management uses qualitative factors such as the intent to hold the investment, the amount of time that the investment has been impaired and the severity of the decline in determining whether the impairment is other than temporary.

Securities sold, but not yet purchased are recorded on the trade date, and are stated at fair value and represent obligations of GBL to purchase the securities at prevailing market prices.  Therefore, the future satisfaction of such obligations may be for an amount greater or less than the amounts recorded on the consolidated statements of financial condition.  The ultimate gains or losses recognized are dependent upon the prices at which these securities are purchased to settle the obligations under the sales commitments.  Realized gains and losses from covers of securities sold, not yet purchased transactions are included in net gain/(loss) from investments on the consolidated statements of income.  Securities sold, not yet purchased are stated at fair value, with any unrealized gains or losses reported in current period earnings in net gain/(loss) from investments on the consolidated statements of income.

Major Revenue-Generating Services and Revenue Recognition

Major Revenue-Generating Services and Revenue Recognition

The Company’s revenues are derived primarily from investment advisory and incentive fees and distribution fees.

Investment advisory and incentive fees are directly influenced by the level and mix of assets under management (“AUM”) as fees are derived from a contractually-determined percentage of AUM for each account as well as incentive fees earned on certain accounts.  Advisory fees from the open-end funds, closed-end funds and sub-advisory accounts are computed daily or weekly based on average net assets and amounts receivable are included in investment advisory fees receivable on the consolidated statements of financial condition.  Advisory fees from Institutional and Private Wealth Management accounts are generally computed quarterly based on account values as of the end of the preceding quarter, and amounts receivable are included in investment advisory fees receivable on the consolidated statements of financial condition.    The Company derived approximately 88%, 87% and 87% of its total revenues from advisory and management fees, including incentive fees, for the periods ended December 31, 2017, 2016 and 2015, respectively. These revenues vary depending upon the level of sales compared with redemptions, financial market conditions, performance and the fee structure for AUM.  Revenues derived from the equity-oriented portfolios generally have higher management fee rates than fixed income portfolios.

The Company receives incentive fees from certain Institutional and Private Wealth Management accounts, which are based upon meeting or exceeding a specific benchmark index or indices.  Incentive fees refer to fees earned when the return generated for the client exceeds the benchmark and can be earned even if the return to the client is negative as long as the return exceeds the benchmark.  These fees are recognized, for each respective account, at the end of the stipulated contract period which is either quarterly or annually and varies by account.  Receivables due for incentive fees earned are included in investment advisory fees receivable on the consolidated statements of financial condition.  There were no incentive fees receivable as of December 31, 2017.  There were $2.4 million of incentive fees receivable as of December 31, 2016.

For The GDL Fund, there is a performance fee earned as of the end of the calendar year if the total return of the fund is in excess of the 90 day T-Bill Index total return. This fee is recognized at the end of the measurement period, which is annually on a calendar year basis. Receivables due on incentive fees relating to The GDL Fund are included in investment advisory fees receivable on the consolidated statements of financial condition and were $1.4 million and $4.2 million as of December 31, 2017 and 2016, respectively.

For the Gabelli Merger Plus⁺ Trust, there is an incentive fee which is earned and recognized at the end of the measurement period, June 30^th and varies to the extent the total return of the fund is in excess of twice the rate of return of the 13 week Treasury Bills over the performance period.  There was no performance fee receivable as of December 31, 2017.

Management fees on $0.7 billion of the closed-end preferred shares are earned at year-end if the total return to common shareholders of the closed-end fund for the calendar year exceeds the dividend rate of the preferred shares. These fees are recognized at the end of the measurement period, which is annually. Receivables due for management fees on closed-end preferred shares are included in investment advisory fees receivable on the consolidated statements of financial condition. There were $7.1 million and $7.3 million in management fees receivable on closed-end preferred shares as of December 31, 2017 and 2016, respectively.

Distribution fees revenues are derived primarily from the distribution of Gabelli, GAMCO, TETON, KEELEY and Comstock open-end funds (“Funds”) advised by either a subsidiary of GBL (Funds Advisor), a subsidiary of GGCP (Teton), or a subsidiary of Teton (Keeley-Teton Advisors, Inc.).  G.distributors distributes our open-end Funds pursuant to distribution agreements with each Fund.  Under each distribution agreement with an open-end Fund, G.distributors offers and sells such open-end Fund shares on a continuous basis and pays all of the costs of marketing and selling the shares, including printing and mailing prospectuses and sales literature, advertising and maintaining sales and customer service personnel and sales and services fulfillment systems, and payments to the sponsors of third party distribution programs, financial intermediaries and G.distributors’ sales personnel.  G.distributors receives fees for such services pursuant to distribution plans adopted under provisions of Rule 12b-1 (“12b-1”) of the Investment Company Act of 1940 (“Company Act”).  G.distributors is the principal underwriter for funds distributed in multiple classes of shares which carry either a front-end or back-end sales charge.

Under the distribution plans, the open-end Class AAA shares of the Funds (except The Gabelli U.S. Treasury Money Market Fund, Gabelli Capital Asset Fund and The Gabelli ABC Fund), the Class A shares, and the Class T shares of certain Funds pay G.distributors a distribution or service fee of 0.25% per year (except the Class A shares of the TETON Westwood Funds which pay 0.50% per year and the Class A shares of the Gabelli Enterprise Mergers and Acquisitions Fund which pays 0.45% per year) on the average daily net assets of the Fund. Class C shares have a 12b-1 distribution plan with a service and distribution fee totaling 1%.

Distribution fees from the open-end funds are computed daily based on average net assets.  The amounts receivable for distribution fees are included in receivables from affiliates on the consolidated statements of financial condition.

GBL also has investment gains or losses generated from its proprietary trading activities which are included in net gain/(loss) from investments on the consolidated statements of income.

Distribution Costs

Distribution Costs

We incur certain promotion and distribution costs, which are expensed as incurred, principally related to the sale of shares of Funds, shares sold in the initial public offerings of our closed-end funds, and after-market support services related to our closed-end funds.  Additionally, Funds Advisor has agreed to reimburse expenses on certain funds, beyond certain expense caps.  The reimbursed expenses are presented on a gross basis in distribution costs in the consolidated statements of income.

Dividends and Interest Income and Interest Expense

Dividends and Interest Income and Interest Expense

Dividends are recorded on the ex-dividend date.  Interest income and interest expense are accrued as earned or incurred.

Depreciation and Amortization

Depreciation and Amortization

Fixed assets other than leasehold improvements, with net book value of$421,000 and $524,000 at December 31, 2017 and 2016, respectively, which are included in other assets, are recorded at cost and depreciated using the straight-line method over their estimated useful lives from four to seven years. Accumulated depreciation was $2.7 million and $2.6 million at December 31, 2017 and 2016, respectively. Leasehold improvements, with net book value of $1.5 million and $1.6 million at December 31, 2017 and 2016, respectively, which are included in other assets, are recorded at cost and amortized using the straight-line method over their estimated useful lives or lease terms, whichever is shorter. The leased property under the capital lease is depreciated utilizing the straight-line method over the term of the lease, which expires on December 31, 2028.  The capital lease was extended on June 11, 2014 to December 31, 2028 from December 31, 2023.  For the years ended December 31, 2017, 2016 and 2015, depreciation and amortization were $595,000, $632,000 and $618,000, respectively. We estimate that depreciation and amortization will be approximately $590,000 annually over the next three years.

Goodwill and Identifiable Intangible Assets

Goodwill and Identifiable Intangible Assets

Goodwill is initially measured as the excess of the cost of the acquired business over the sum of the amounts assigned to assets acquired less the liabilities assumed.  At December 31, 2017 and 2016, goodwill recorded on the consolidated statements of financial condition relates to G.distributors.  At December 31, 2017 and 2016, the identifiable intangible assets are the investment advisory contracts for the Gabelli Enterprise Mergers and Acquisition Fund, for the Bancroft Fund Ltd. and the Ellsworth Growth and Income Fund Ltd., all of which relate to Funds Advisor.  Goodwill and identifiable intangible assets are tested for impairment at least annually on November 30^th and whenever certain triggering events are met.  In assessing the recoverability of the identifiable intangible asset for 2017 and 2016, projections regarding estimated future cash flows and other factors are made to determine the fair value of the asset.  No impairment was recorded during 2017, 2016, or 2015.

In assessing the recoverability of goodwill for our annual impairment test on November 30, 2017 and 2016, we performed a qualitative assessment of whether it was more likely than not that an impairment had occurred and concluded that a quantitative analysis was not required.  No impairment was recorded during 2017, 2016, or 2015.

Income Taxes

Income Taxes

Deferred tax assets and liabilities are recorded for temporary differences between the tax basis of assets and liabilities and the reported amounts on the consolidated financial statements using the statutory tax rates in effect for the year when the reported amount of the asset or liability is recovered or settled, respectively.  The effect on deferred tax assets and liabilities of a change in tax rates is recognized in the results of operations in the period that includes the enactment date. As a result of the enactment of the Tax Cuts and Jobs Act in December 2017, the Company recorded an increase in expense of $8.2 million reflecting the net write-down to its deferred tax assets and deferred tax liabilities.  A valuation allowance is recorded to reduce the carrying values of deferred tax assets to the amount that is more likely than not to be realized.  For each tax position taken or expected to be taken in a tax return, the Company determines whether it is more likely than not that the position will be sustained upon examination based on the technical merits of the position, including resolution of any related appeals or litigation.  A tax position that meets the more likely than not recognition threshold is measured to determine the amount of benefit to recognize.  The tax position is measured at the largest amount of benefit that is greater than 50% likely of being realized upon settlement.  The Company recognizes the accrual of interest on uncertain tax positions and penalties in income tax provision on the consolidated statements of income.

Fair Values of Financial Instruments

Fair Values of Financial Instruments

All of the instruments within cash and cash equivalents, investments in securities and securities sold, not yet purchased are measured at fair value. Certain investments in partnerships are also measured at fair value.

The Company’s assets and liabilities recorded at fair value have been categorized based upon a fair value hierarchy in accordance with the Financial Accounting Standards Board’s (“FASB”) guidance on fair value measurement. The levels of the fair value hierarchy and their applicability to the Company are described below:

-   Level 1 inputs utilize quoted prices (unadjusted) in active markets for identical assets or liabilities at the reporting date. Level 1 assets include cash equivalents, government obligations, open-end funds, closed-end funds and equities.

-   Level 2 inputs utilize inputs other than quoted prices included in Level 1 that are observable for the asset or liability, either directly or indirectly. Level 2 inputs include quoted prices for similar assets and liabilities in active markets, quoted prices for identical or similar assets or liabilities that are not active and inputs other than quoted prices that are observable for the asset or liability, such as interest rates and yield curves that are observable at commonly-quoted intervals. Assets that generally are included in this category may include certain limited partnership interests in private funds and over the counter derivatives that have inputs to the valuations that can generally be corroborated by observable market data.

-   Level 3 inputs are unobservable inputs for the asset or liability, and include situations where there is little, if any, market activity for the asset or liability.  Assets included in this category generally include equities that trade infrequently and direct private equity investments held within consolidated partnerships.

In certain cases, the inputs used to measure fair value may fall into different levels of the fair value hierarchy.  In such cases, the level in the fair value hierarchy within which the fair value measurement in its entirety falls has been determined based on the lowest level input that is significant to the fair value measurement in its entirety.  The Company’s assessment of the significance of a particular input to the fair value measurement in its entirety requires judgment and considers factors specific to the asset or liability. Investments are transferred into or out of any level at their beginning period values.

The availability of observable inputs can vary from instrument to instrument and is affected by a wide variety of factors, including, for example, the type of instrument, whether the instrument is new and not yet established in the marketplace, and other characteristics particular to the transaction. To the extent that valuation is based on models or inputs that are less observable or unobservable in the market, the determination of fair value requires more judgment. Accordingly, the degree of judgment exercised by the Company in determining fair value is greatest for instruments categorized as Level 3.

The valuation process and policies reside with the financial reporting and accounting group which reports to the Co-Chief Accounting Officers. The Company may use the “market approach” or “income approach” valuation technique to value its investments in Level 3 investments. The Company’s valuation of the Level 3 investments could be based upon either i) the recent sale prices of the issuer’s equity securities or ii) the net assets, book value or cost basis of the issuer when there is no recent sales prices available.

In the absence of a closing price, an average of the bid and ask price is used. Bid prices reflect the highest price that the market is willing to pay for an asset. Ask prices represent the lowest price that the market is willing to accept for an asset.

Cash equivalents – Cash equivalents primarily consist of an affiliated money market mutual fund which is invested solely in U.S. Treasuries and valued based on the net asset value of the fund.  U.S. Treasury Bills and Notes with maturities of three months or less at the time of purchase are also considered cash equivalents.  Cash equivalents are valued using unadjusted quoted market prices.

Investments in securities and Securities sold, not yet purchased – Investments in securities and securities sold, not yet purchased are generally valued based on quoted prices from an exchange.  To the extent these securities are actively traded, valuation adjustments are not applied, and they are categorized in Level 1 of the fair value hierarchy.  Securities categorized in Level 2 investments are valued using other observable inputs.  Nonpublic and infrequently traded investments are included in Level 3 of the fair value hierarchy because significant inputs to measure fair value are unobservable.

Earnings Per Share

Earnings Per Share

Basic earnings per share is based on the weighted-average number of common shares outstanding during each period less unvested restricted stock.  Diluted earnings per share is based on basic shares plus the incremental shares that would be issued upon the assumed exercise of in-the-money stock options and unvested restricted stock using the treasury stock method, and, if dilutive, assumes the conversion of the convertible note for the periods outstanding since the issuance in August 2016 using the if converted method.

Management Fee

Management Fee

Management fee expense is incentive-based and entirely variable compensation in the amount of 10% of the aggregate pre-tax profits before management fee which is paid to Mr. Gabelli or his designee for acting as CEO pursuant to his 2008 Employment Agreement so long as he is an executive of GBL and devotes the substantial majority of his working time to the business. In accordance with his 2008 Employment Agreement, he has allocated approximately $1.4 million, $2.2 million and $1.9 million of his management fee to certain other employees of the Company in 2017, 2016 and 2015, respectively.

Stock Based Compensation

Stock Based Compensation

The Company has granted restricted stock awards (“RSAs”) and stock options to staff members which were recommended by the Company’s Chairman, who did not receive an RSA or option award, and approved by the Compensation Committee of the Company’s Board of Directors.  We use a fair value based method of accounting for stock-based compensation provided to our employees.  

The estimated fair value of RSAs is determined by using the closing price of Class A Common Stock (“Class A Stock”) on the day prior to the grant date.  The total expense, which is reduced by estimated forfeitures, is recognized over the vesting period for these awards which is either (1) 30% over three years from the date of grant and 70% over five years from the date of grant or (2) 30% over three years from the date of grant and 10% each year over years four through ten from the date of grant. The forfeiture rate is determined by reviewing historical forfeiture rates for previous stock-based compensation grants and is reviewed and updated quarterly, if necessary.  During the vesting period, dividends to RSA holders are held for them until the RSA vesting dates and are forfeited if the grantee is no longer employed by the Company on the vesting dates.  Dividends declared on these RSAs, less estimated forfeitures, are charged to retained earnings on the declaration date.

The estimated fair value of option awards on the grant date is determined using the Black Scholes option-pricing model.  This sophisticated model utilizes a number of assumptions in arriving at its results, including the estimated life of the option, the risk free interest rate at the date of grant and the volatility of the underlying common stock.  There may be other factors, which are not considered in the Black Scholes model, which may have an effect on the value of the options as well.  The effects of changing any of the assumptions or factors employed by the Black Scholes model may result in a significantly different valuation for the options.  The total expense based on the grant date fair value, which is reduced by estimated forfeitures, is recognized over the vesting period for these awards which is  75% over three years from the date of grant and 25% over four years from date of grant. The forfeiture rate is determined by reviewing historical forfeiture rates for previous stock-based compensation grants and is reviewed and updated quarterly, if necessary.

In connection with the Spin-off of AC and in accordance with GAAP, the Company has allocated the stock compensation costs between GBL and AC based upon each employee’s individual allocation of their responsibilities between GBL and AC.  See note H. Equity for further details.

The Company has entered into three deferred compensation agreements with Mr. Gabelli whereby his variable compensation for 2016, the first half of 2017 and the fourth quarter of 2017 was in the form of Restricted Stock Units (“RSUs”) determined by the volume-weighted average price (“VWAP”) of the Company’s Class A Stock during those respective periods.  The 2016 Deferred Cash Compensation Agreement (“DCCA”) will vest 100% on January 1, 2020, the First Half 2017 DCCA will vest 100% on July 1, 2018, and the Fourth Quarter 2017 DCCA will vest 100% on April 1, 2019.  The Company intends to settle the awards in cash at vesting; however, the Company reserves the right to issue shares of the Company’s Class A Stock in lieu of such cash payment.  Under the terms of the agreement the Company will pay Mr. Gabelli an amount equal to the number of RSUs valued at the lesser of the VWAP of the Company’s Class A Stock for the applicable period or the value on the lapse date or, if not a trading day, then the first trading date thereafter.

Under GAAP, for the 2016 DCCA only 25% of this deferred compensation expense is being recognized in 2016 with the remainder amortized ratably over 2017, 2018, and 2019.  Similarly, under GAAP, for the First Half 2017 DCCA 67% of the expense is recognized in 2017 with the remaining 33% expensed in 2018.  For the Fourth Quarter 2017 DCCA 17% of the expense is recognized in 2017, 66% in 2018 and the remaining 17% in 2019.  Notwithstanding its ability to settle the award in stock, given the Company’s intent to settle it in cash, in accordance with GAAP (ASC 718), the awards are accounted for as liability-classified awards and not as equity-classified awards.  The liability is remeasured at fair value on each reporting period from December 31, 2016 until the vesting date.  However, given the cap on the obligation in that Mr. Gabelli will not receive cash in excess of the VWAP of the Company’s Class A Stock for each respective period, the remeasurement of the liability at fair value will never exceed its value determined using each period’s respective VWAP price.

Concentration of Credit Risk

Concentration of Credit Risk

Financial instruments that potentially subject the Company to concentrations of credit risk consist primarily of cash and cash equivalents and receivable from brokers.  The Company maintains cash and cash equivalents primarily in the Gabelli U.S. Treasury Money Market Fund, which invests fully in instruments issued by the U.S. government, and has receivables from brokers with various brokers and financial institutions, where these balances can exceed the federally insured limit.  The concentration of credit risk with respect to advisory fees receivable is generally limited due to the short payment terms extended to clients by the Company.  In addition, the credit risk is further limited by virtue of the fact that no single advisory relationship provided over 10% of the total revenue of the Company during the years 2017, 2016, or 2015.  All investments in securities are held at third party brokers or custodians.

Business Segment

Business Segment

The Company operates in one business segment, the investment advisory and asset management business. The Company conducts its investment advisory business principally through: GAMCO (Institutional and Private Wealth Management) and Funds Advisor (Funds).  The distribution of our open-end funds and underwriting of those Funds was conducted through G.distributors.

Recent Accounting Developments

Recent Accounting Developments

In May 2014, the FASB issued Accounting Standards Update (“ASU”) No. 2014-09, "Revenue from Contracts with Customers," which supersedes the revenue recognition requirements in the Accounting Standards Codification ("Codification") Topic 605, Revenue Recognition, and most industry-specific guidance throughout the industry topics of the Codification.  The core principle of the new ASU No. 2014-09 is for companies to recognize revenue from the transfer of goods or services to customers in amounts that reflect the consideration to which the company expects to be entitled to receive in exchange for those goods or services.  The new standard provides a five-step approach to be applied to all contracts with customers and also requires expanded disclosures about revenue recognition.  In March 2016, the FASB issued revised guidance which clarifies the guidance related to (a) determining the appropriate unit of account under the revenue standard’s principal versus agent guidance and (b) applying the indicators of whether an entity is a principal or an agent in accordance with the revenue standard’s control principle. In April 2016, the FASB issued an amendment to provide more detailed guidance including additional implementation guidance and examples related to (a) identifying performance obligations and (b) licenses of intellectual property. In May 2016, the FASB amended the standard to clarify the guidance on (a) assessing collectability, (b) presenting sales taxes, (c) measuring noncash consideration, and (d) certain transition matters. This new guidance will be effective for the Company's first quarter of 2018 and requires either a full retrospective or a modified retrospective approach to adoption. The Company’s implementation analysis has been completed, and we have identified similar performance obligations under this guidance as compared with deliverables and separate units of account previously identified under Topic 605.  As a result, we expect the timing of the recognition of our revenue to remain the same as under Topic 605, and the Company does not therefore expect the adoption of the new guidance to have any effect on the timing of the recognition of revenue.  If there were to be any impact, which is not expected, the Company has determined that it would use the modified retrospective transition method.  The Company has also been reviewing and preparing for the enhanced disclosure requirements of the standard, which will have an effect on the disclosures in the consolidated financial statements and accompanying notes effective with our first quarter 2018 Form 10-Q.

In January 2016, the FASB issued ASU 2016-01, which amends the guidance in U.S. GAAP on the classification and measurement of financial instruments. Although the ASU retains many current requirements, it significantly revises an entity’s accounting related to (1) the classification and measurement of investments in equity securities and (2) the presentation of certain fair value changes for financial liabilities measured at fair value. The ASU also amends certain disclosure requirements associated with the fair value of financial instruments. In addition, the FASB clarified guidance related to the valuation allowance assessment when recognizing deferred tax assets resulting from unrealized losses on available-for-sale debt securities. To adopt the amendments, entities will be required to make a cumulative-effect adjustment to beginning retained earnings as of the beginning of the fiscal year in which the guidance is effective.  The Company adopted this guidance on January 1, 2018 and reclassed $11.9 million out of Accumulated Comprehensive Income and into Retained Earnings.  Effective January 1, 2018, changes in the fair value of the Company’s available-for-sale investments will be reported through earnings rather than through other comprehensive income.

In February 2016, the FASB issued ASU 2016-02, which amends the guidance in U.S. GAAP for the accounting for leases.  ASU 2016-02 requires a lessee to recognize assets and liabilities arising from most operating leases in the consolidated statement of financial position. It requires these operating leases to be recorded on the balance sheet as right of use assets and offsetting lease liability obligations.  This new guidance will be effective for the Company’s first quarter of 2019. The Company is currently evaluating this guidance and the impact it will have on its consolidated financial statements and related disclosures.

In March 2016, the FASB issued ASU 2016-09, which simplifies several aspects of the accounting for employee share-based payment transactions for both public and nonpublic entities, including the accounting for income taxes, forfeitures, and statutory tax withholding requirements, as well as classification in the statement of cash flows. For public companies, the ASU is effective for annual reporting periods beginning after December 15, 2016, including interim periods within those annual reporting periods.  The Company adopted this guidance on January 1, 2017 without a material impact to the consolidated financial statements.  Please see Note D.

In August 2016, the FASB issued ASU 2016-15, which adds and clarifies guidance on the classification of certain cash receipts and payments in the consolidated statements of cash flows.  This guidance is intended to unify the currently diverse presentations and classifications, which address eight classification issues related to the statement of cash flows, including debt prepayment or debt extinguishment costs, settlement of zero-coupon debt instruments or other debt instruments with coupon interest rates that are insignificant in relation to the effective interest rate of the borrowing, contingent consideration payments made after a business combination, proceeds from the settlement of insurance claims, proceeds from the settlement of corporate-owned life insurance policies, including bank-owned life insurance policies, distributions received from equity method investees, beneficial interests in securitization transactions, and separately identifiable cash flows and application of the predominance principle.  The Company adopted this guidance on January 1, 2018 without a material impact to the consolidated financial statements.

In November 2016, the FASB issued ASU 2016-18, which amends ASC 230 to clarify guidance on the classification and presentation of restricted cash in the statement of cash flows.  Key requirements are that an entity should include in its cash and cash equivalent balances in the statement of cash flow those amounts that are deemed to be restricted cash and restricted cash equivalents and that a reconciliation between the statement of financial position and the statement of cash flows must be disclosed when the statement of financial position includes more than one line item for cash, cash equivalents, restricted cash, and restricted cash equivalents.  The ASU also mandates that changes in restricted cash and restricted cash equivalents that result from transfers between cash, cash equivalents, restricted cash, and restricted cash equivalents should not be presented as cash flow activities in the statement of cash flows and that an entity with a material amount of restricted cash and restricted cash equivalents must disclose information about the nature of the restrictions.  This new guidance was to be effective for the Company’s first quarter of 2018, but the Company has elected to early adopt in the third quarter of 2017.  There was no material impact to the consolidated financial statements.

In January 2017, the FASB issued ASU 2017-04 to simplify the process used to test for goodwill impairment.  A goodwill impairment will now be the amount by which a reporting unit’s carrying value exceeds its fair value, not to exceed the carrying amount of goodwill. This new guidance will be effective for the Company’s first quarter of 2020. The Company is currently evaluating the potential effect of this new guidance on its consolidated financial statements and related disclosures.

On May 10, 2017, the FASB issued ASU 2017-09, which amends the scope of modification accounting for share-based payment arrangements.  The ASU provides guidance on the types of changes to the terms or conditions of share-based payment awards to which an entity would be required to apply modification accounting under ASC 718.  Specifically, an entity would not apply modification accounting if the fair value, vesting conditions, and classification of the awards are the same immediately before and after the modification.  For all entities, the ASU is effective for annual reporting periods, including interim periods within those annual reporting periods, beginning after December 15, 2017.  Early adoption is permitted, including adoption in any interim period.  This ASU, which we did not early adopt, would not have impacted the accounting for the acceleration of vesting of restricted stock awards during the year ended December 31, 2017.

In January 2018, the Securities and Exchange Commission (“the Commission”) issued Staff Accounting Bulletin No. 118 (“SAB 118”) which expresses the Commission’s views regarding application of FASB’s ASC Topic 740 “Income Taxes” in the reporting period that includes December 22, 2017.  The Commission indicated that The Tax Cuts and Jobs Act (“the Act”), which was enacted on December 22, 2017,  affects companies’ reporting because of the Act’s changes that impact U.S. corporate tax rates, business-related exclusions, and deductions and credits.

ASC Topic 740 provides accounting and disclosure guidance on accounting for income taxes under generally accepted accounting principles (“U.S. GAAP”). This guidance addresses the recognition of taxes payable or refundable for the current year and the recognition of deferred tax liabilities and deferred tax assets for the future tax consequences of events that have been recognized in an entity’s financial statements or tax returns.   ASC Topic 740 also addresses the accounting for income taxes upon a change in tax laws or tax rates.  The income tax accounting effect of a change in tax laws or tax rates includes, for example, adjusting (or re-measuring) deferred tax liabilities and deferred tax assets, as well as evaluating whether a valuation allowance is needed for deferred tax assets.

The Commission issued SAB 118 to address situations where the accounting under ASC Topic 740 is incomplete for certain income tax effects of the Act upon issuance of an entity’s financial statements for the reporting period in which the Act was enacted. A company’s financial statements that include the reporting period in which the Act was enacted must first reflect the income tax effects of the Act in which the accounting under ASC Topic 740 is complete. These completed amounts would not be provisional amounts. The company would then also report provisional amounts for those specific income tax effects of the Act for which the accounting under ASC Topic 740 will be incomplete but a reasonable estimate can be determined. For any specific income tax effects of the Act for which a reasonable estimate cannot be determined, the company would not report provisional amounts and would continue to apply ASC Topic 740 based on the provisions of the tax laws that were in effect immediately prior to the Act being enacted. For those income tax effects for which the company was not able to determine a reasonable estimate (such that no related provisional amount was reported for the reporting period in which the Act was enacted), the company would report provisional amounts in the first reporting period in which a reasonable estimate can be determined.

The Company has revalued its deferred tax assets and liabilities as of the date of enactment and has determined that the provisions of SAB 118 related to incomplete or provisional amounts do not apply as it considers its evaluation complete.

In February 2018, the FASB issued ASU 2018-02 to address constituent concerns related to the application of ASC 740 to certain provisions of the new tax reform legislation, the Tax Cuts and Jobs Act.  Specifically, the ASU addressed concerns about the requirement in ASC 740 that the effect of a change in tax laws or rates on deferred tax assets and liabilities be included in income from continuing operations in the reporting period that contains that enactment date of the change.  That guidance applies even in situations in which the tax effects were initially recognized directly to other comprehensive income at the previous rate, resulting in “stranded” amounts in accumulated comprehensive income (AOCI) related to the income tax rate differential. This new guidance will be effective for the Company’s first quarter of 2019.  Early adoption is permitted.  The Company has elected not to early adopt for the financial statements for the year ended December 31, 2017 contained in this Form 10K.  It is currently evaluating whether it will early adopt this ASU in 2018 and the effects that the adoption will have on its consolidated financial statements in the period of adoption.

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Investment in Securities (Tables)

12 Months Ended

Dec. 31, 2017

Investment in Securities [Abstract]

Investments in Securities

Investments in securities at December 31, 2017 and 2016 consisted of the following:

	2017				2016
	Cost		Fair Value		Cost		Fair Value
(In thousands)
Trading securities:
Common stocks	$	26	$	34	$	51	$	54
Mutual Funds		11		11		-		-
Total trading securities		37		45		51		54
Available for sale securities:
Common stocks		17,441		36,637		18,739		37,131
Closed-end funds		99		108		99		100
Total available for sale securities		17,540		36,745		18,838		37,231
Total investments in securities	$	17,577	$	36,790	$	18,889	$	37,285

There were no securities sold, not yet purchased at December 31, 2017 and 2016.

Reclassifications Out of Accumulated Other Comprehensive Income

The following table identifies all reclassifications out of accumulated other comprehensive income and into net income for the year ended December 31, 2017 and 2016 (in thousands):

Amount							Affected Line Item	Reason for
Reclassified							in the Statements	Reclassification
from AOCI							of Income	from AOCI
Twelve months ended December 31,
2017				2016
	$	62		$	4		Net gain from investments	Realized gain / (loss) on sale of AFS securities
		3,063			1,251		Other operating expenses	Donation of AFS securities
		3,125			1,255		Income before income taxes
		(1,156	)		(464	)	Income tax expense
	$	1,969		$	791		Net income

Summary of Available-for-Sale Securities

The following is a summary of the cost, gross unrealized gains, gross unrealized losses and fair value of available for sale investments as of December 31, 2017 and December 31, 2016:

	December 31, 2017
				Gross			Gross
				Unrealized			Unrealized			Fair
	Cost			Gains			Losses			Value
	(In thousands)
Common stocks		$	17,441		$	19,196		$	-		$	36,637
Closed-end Funds		$	99		$	9		$	-		$	108
Total available for sale securities		$	17,540		$	19,205		$	-		$	36,745

	December 31, 2016
				Gross			Gross
				Unrealized			Unrealized			Fair
	Cost			Gains			Losses			Value
	(In thousands)
Common stocks		$	18,739		$	18,392		$	-		$	37,131
Closed-end funds			99			1			-			100
Total available for sale securities		$	18,838		$	18,393		$	-		$	37,231

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Fair Value (Tables)

12 Months Ended

Dec. 31, 2017

Fair Value [Abstract]

Assets and Liabilities Measured at Fair Value on a Recurring Basis

The following tables present information about the Company’s assets and liabilities by major categories measured at fair value on a recurring basis as of December 31, 2017 and 2016 and indicates the fair value hierarchy of the valuation techniques utilized by the Company to determine such fair value:

Assets and Liabilities Measured at Fair Value on a Recurring Basis as of December 31, 2017 (in thousands)

	Quoted Prices in Active		Significant Other		Significant		Balance as of
	Markets for Identical		Observable		Unobservable		December 31,
Assets	Assets (Level 1)		Inputs (Level 2)		Inputs (Level 3)		2017
Cash equivalents	$	17,475	$	-	$	-	$	17,475
Investments in securities:
AFS - Common stocks		36,637		-		-		36,637
AFS - Closed-end Funds		108		-		-		108
Trading - Common stocks		34		-		-		34
Trading - Mutual Funds		11		-		-		11
Total investments in securities		36,790		-		-		36,790
Total assets at fair value	$	54,265	$	-	$	-	$	54,265

During the year ended December 31, 2017, there were no transfers between any Level 1 and Level 2 holdings, or between Level 1 and Level 3 holdings.

Assets and Liabilities Measured at Fair Value on a Recurring Basis as of December 31, 2016 (in thousands)

	Quoted Prices in Active		Significant Other		Significant		Balance as of
	Markets for Identical		Observable		Unobservable		December 31,
Assets	Assets (Level 1)		Inputs (Level 2)		Inputs (Level 3)		2016
Cash equivalents	$	39,638	$	-	$	-	$	39,638
Investments in securities:
AFS - Common stocks		37,131		-		-		37,131
AFS - Closed-end Funds		100		-		-		100
Trading - Common stocks		54		-		-		54
Total investments in securities		37,285		-		-		37,285
Total assets at fair value	$	76,923	$	-	$	-	$	76,923

During the year ended December 31, 2016, there were no transfers between any Level 1 and Level 2 holdings, or between Level 1 and Level 3 holdings.

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Income Taxes (Tables)

12 Months Ended

Dec. 31, 2017

Income Taxes [Abstract]

Provision for Income Taxes

The provision for income taxes for the years ended December 31, 2017, 2016 and 2015 consisted of the following:

	2017			2016			2015
(In thousands)
Federal:
Current	$	54,318		$	63,991		$	47,699
Deferred		(3,670	)		(4,424	)		(1,441	)
State and local:
Current		6,212			6,652			5,359
Deferred		(1,781	)		(1,113	)		109
Total	$	55,079		$	65,106		$	51,726

Reconciliation of Federal Statutory Income Tax Rate to Effective Tax Rate

A reconciliation of the Federal statutory income tax rate to the effective tax rate is set forth below:

	2017		2016		2015
Statutory Federal income tax rate	35.0	%	35.0	%	35.0	%
State income tax, net of Federal benefit	0.5		1.0		2.7
Impact of Tax Act	6.2		-		-
Other	(0.3)		(0.3)		(0.5)
Effective income tax rate	41.4	%	35.7	%	37.2	%

Components of Deferred Tax Assets and Liabilities

Significant components of our deferred tax assets and liabilities are as follows:

	2017			2016
(In thousands)
Deferred tax assets:
Stock compensation expense	$	110		$	4,006
Deferred compensation		14,740			7,629
Capital lease obligation		633			944
Other		238			311
Total deferred tax assets		15,721			12,890
Deferred tax liabilities:
Investments in securities available for sale		(4,609	)		(6,805	)
Contingent deferred sales commissions		(189	)		(322	)
Intangible asset amortization		(233	)		(235	)
Other		(10	)		(9	)
Total deferred tax liabilities		(5,041	)		(7,371	)
Net deferred tax assets (liabilities)	$	10,680		$	5,519

Gross Unrecognized Tax Benefits Roll Forward

A reconciliation of the beginning and ending amount of gross unrecognized tax benefits related to uncertain tax positions is as follows:

	(in millions)
Balance at December 31, 2014	$	16.0
Additions based on tax positions related to the current year		2.8
Additions for tax positions of prior years		0.1
Reductions for tax positions of prior years		(0.5	)
Settlements		-
Balance at December 31, 2015		18.4
Additions based on tax positions related to the current year		2.3
Additions for tax positions of prior years		1.2
Reductions for tax positions of prior years		(6.9	)
Settlements		-
Balance at December 31, 2016		15.0
Additions based on tax positions related to the current year		2.2
Additions for tax positions of prior years		-
Reductions for tax positions of prior years		(3.9	)
Settlements		-
Balance at December 31, 2017	$	13.3

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Earnings per Share (Tables)

12 Months Ended

Dec. 31, 2017

Earnings per Share [Abstract]

Computations of Basic and Diluted Net Income per Share

The computations of basic and diluted net income per share are as follows:

	For the Years Ending December 31,
(In thousands, except per share amounts)	2017		2016		2015
Basic:
Income from continuing operations	$	77,809	$	117,121	$	87,299
Loss from discontinued operations, net of taxes		-		-		(3,887	)
Net income attributable to GAMCO Investors, Inc.'s shareholders	$	77,809	$	117,121	$	83,412
Weighted average shares outstanding		28,980		29,182		25,425
Basic net income per share attributable to GAMCO
Investors, Inc.'s shareholders
Continuing operations	$	2.68	$	4.01	$	3.43
Discontinued operations		-		-		(0.15	)
Total	$	2.68	$	4.01	$	3.28
Diluted:
Income from continuing operations	$	77,809	$	117,121	$	87,299
Add interest on convertible notes, net of management fee and taxes		2,604		1,133		-
Total income from continuing operations		80,413		118,254		87,299
Loss from discontinued operations, net of taxes		-		-		(3,887	)
Net income attributable to GAMCO Investors, Inc.'s shareholders	$	80,413	$	118,254	$	83,412
Weighted average share outstanding		28,980		29,182		25,425
Dilutive stock options and restricted stock awards		192		234		286
Assumed conversion of convertible notes		1,775		754		-
Total		30,947		30,170		25,711
Diluted net income per share attributable to GAMCO
Investors, Inc.'s shareholders
Continuing operations	$	2.60	$	3.92	$	3.40
Discontinued operations		-		-		(0.15	)
Total	$	2.60	$	3.92	$	3.24

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Debt (Tables)

12 Months Ended

Dec. 31, 2017

Debt [Abstract]

Schedule of Debt

Debt consists of the following:

	December 31, 2017				December 31, 2016
	Carrying		Fair Value		Carrying		Fair Value
	Value		Level 2		Value		Level 2
(In thousands)
4.5% Convertible note	$	-	$	-	$	109,835	$	111,525
AC 4% PIK Note		50,000		50,572		100,000		100,930
AC 1.6% Note		15,000		14,972		-		-
5.875% Senior notes		24,144		24,543		24,120		24,558
Total	$	89,144	$	90,087	$	233,955	$	237,013

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Equity (Tables)

12 Months Ended

Dec. 31, 2017

Equity [Abstract]

Summary of Stock Option and RSA Activity

A summary of the stock option and RSA activity for the years ended December 31, 2017 and 2016 is as follows:

	Options				RSAs
								Weighted Average
			Weighted Average					Grant Date
	Shares		Exercise Price		Shares			Fair Value
Outstanding at December 31, 2015		-	$	-		553,100		$	64.02
Granted		-		-		-			-
Forfeited		-		-		(9,300	)		64.85
Exercised / Vested		-		-		(119,460	)		57.86
Outstanding at December 31, 2016		-		-		424,340			65.74
Granted		-		-		-			-
Forfeited		-		-		(4,500	)		78.62
Exercised / Vested		-		-		(400,440	)		65.60
Outstanding at December 31, 2017		-	$	-		19,400		$	65.67
Shares available for future issuance at
December 31, 2017		281,349

Total Projected Compensation Costs Related to Non-Vested Awards Not Yet Recognized

The total compensation costs related to non-vested awards not yet recognized is approximately $187,000 as of December 31, 2017. This will be recognized as expense in the following periods (in thousands):

2018		2019		2020		2021
$	187	$	-	$	-	$	-
2022		2023		2024		2025
$	-	$	-	$	-	$	-

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Capital Lease (Tables)

12 Months Ended

Dec. 31, 2017

Capital Lease [Abstract]

Schedule of Future Minimum Lease Payments for Capital Leases

Future minimum lease payments for this capitalized lease at December 31, 2017 are as follows:

	(In thousands)
2018	$	1,230
2019		1,080
2020		1,080
2021		1,080
2022		1,080
Thereafter		6,480
Total minimum obligations		12,030
Interest		7,075
Present value of net obligations	$	4,955

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Contractual Obligations (Tables)

12 Months Ended

Dec. 31, 2017

Contractual Obligations [Abstract]

Future Minimum Lease Commitments under Operating Leases

We rent office space under leases which expire at various dates through January 31, 2022. Future minimum lease commitments under these operating leases as of December 31, 2017 are as follows:

	(In thousands)
2018	$	808
2019		479
2020		47
2021		47
2022		4
Total	$	1,385

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Discontinued Operations (Tables)

12 Months Ended

Dec. 31, 2017

Discontinued Operations [Abstract]

Summary of Operating Results

The 2015 results include $2.4 million in costs incurred with respect to the Spin-off and are included in Other operating expenses below.  Operating results for the period from January 1, 2015 through November 30, 2015 are summarized below:

	Year Ended
	December 31,
	2015
Revenues
Investment advisory and incentive fees	$	8,552
Distribution fees and other income		279
Institutional research services		8,973
Total revenues		17,804
Expenses
Compensation		20,500
Stock based compensation		4,716
Management fee		(727	)
Distribution costs		(85	)
Other operating expenses		9,070
Total expenses		33,474
Operating loss		(15,670	)
Other income
Net gain from investments		7,660
Interest and dividend income		2,740
Interest expense		(1,224	)
Total other income, net		9,176
Loss from discontinued operations before income taxes		(6,494	)
Income tax benefit		(2,045	)
Loss from discontinued operations, net of taxes		(4,449	)
Net loss attributable to noncontrolling interests		(562	)
Net loss attributable to GAMCO Investors, Inc.'s
discontinued operations, net of taxes	$	(3,887	)

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Quarterly Financial Information (Unaudited) (Tables)

12 Months Ended

Dec. 31, 2017

Quarterly Financial Information (Unaudited) [Abstract]

Schedule of Quarterly Financial Information

Quarterly financial information for the years ended December 31, 2017 and 2016 is presented below.

	2017
	1st		2nd		3rd		4th		Total
(In thousands, except per share data)
Revenues	$	85,917	$	87,600	$	88,341	$	98,666	$	360,524
Operating income		42,443		39,660		23,393		39,524		145,020
Net income attributable to GAMCO
Investors, Inc.'s shareholders		24,820		22,894		16,600		13,495		77,809
Net income attributable to GAMCO
Investors, Inc.'s shareholders per share:
Basic		0.86		0.79		0.57		0.46		2.68
Diluted	$	0.82	$	0.76	$	0.55	$	0.46	$	2.60

	2016
	1st		2nd		3rd		4th		Total
Revenues	$	81,385	$	83,944	$	87,721	$	99,950	$	353,000
Operating income		44,942		46,747		48,076		52,031		191,796
Net income attributable to GAMCO
Investors, Inc.'s shareholders		26,025		27,543		30,861		32,692		117,121
Net income attributable to GAMCO
Investors, Inc.'s shareholders per share:
Basic		0.89		0.94		1.06		1.12		4.01
Diluted	$	0.88	$	0.93	$	1.03	$	1.07	$	3.92

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Significant Accounting Policies (Details)			12 Months Ended
	Nov. 30, 2015 shares	Feb. 09, 1999 Subsidiary shares	Dec. 31, 2017 USD ($) Agreement Segment	Dec. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)	Nov. 18, 2015 USD ($)	May 31, 2011
Revenue Recognition, Multiple-deliverable Arrangements [Line Items]
Portion of revenue derived from advisory and management fees			88.00%	87.00%	87.00%
Institutional and private wealth management incentive fees receivable			$ 0	$ 2,400,000
Management fees receivable on closed-end preferred shares			7,100,000	7,300,000
Property, Plant and Equipment [Line Items]
Write down of net deferred tax assets			$ 8,200,000
Management Fee [Abstract]
Management fee expense percentage			10.00%
Management fee allocated to other employees			$ 1,400,000	$ 2,200,000	$ 1,900,000
Business Segment [Abstract]
Number of operating segments | Segment			1
Restricted Stock Awards [Member] | Vesting in Three Years from Date of Grant [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting percentage			30.00%
Award vesting period			3 years
Restricted Stock Awards [Member] | Vesting in Five Years from Date of Grant [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting percentage			70.00%
Award vesting period			5 years
Restricted Stock Awards [Member] | Vesting in Year Four from Date of Grant [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting percentage			10.00%
Restricted Stock Awards [Member] | Vesting in Year Five from Date of Grant [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting percentage			10.00%
Restricted Stock Awards [Member] | Vesting in Year Six from Date of Grant [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting percentage			10.00%
Restricted Stock Awards [Member] | Vesting in Year Seven from Date of Grant [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting percentage			10.00%
Restricted Stock Awards [Member] | Vesting in Year Eight from Date of Grant [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting percentage			10.00%
Restricted Stock Awards [Member] | Vesting in Year Nine from Date of Grant [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting percentage			10.00%
Restricted Stock Awards [Member] | Vesting in Year Ten from Date of Grant [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting percentage			10.00%
Stock Options [Member] | Vesting in Three Years from Date of Grant [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting percentage			75.00%
Award vesting period			3 years
Stock Options [Member] | Vesting in Four Years from Date of Grant [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting percentage			25.00%
Award vesting period			4 years
AC [Member] | Class A [Member]
Business Acquisition, Equity Interests Issued or Issuable [Line Items]
Number of shares of common stock received for each share of Gamco common stock in spin-off (in shares) | shares	1
AC [Member] | Class B [Member]
Business Acquisition, Equity Interests Issued or Issuable [Line Items]
Number of shares of common stock received for each share of Gamco common stock in spin-off (in shares) | shares	1
Closed-End Preferred Shares [Member]
Revenue Recognition, Multiple-deliverable Arrangements [Line Items]
Investment securities managed			$ 700,000,000
Mr. Gabelli [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of deferred compensation agreements | Agreement			3
Mr. Gabelli [Member] | Award Granted for 2016 [Member] | Vesting on January 1, 2020 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting percentage			100.00%
Mr. Gabelli [Member] | Award Granted for 2016 [Member] | Vesting in 2016 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting percentage			25.00%
Mr. Gabelli [Member] | Award Granted for 2016 [Member] | Vesting in 2017 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting percentage			25.00%
Mr. Gabelli [Member] | Award Granted for 2016 [Member] | Vesting in 2018 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting percentage			25.00%
Mr. Gabelli [Member] | Award Granted for 2016 [Member] | Vesting in 2019 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting percentage			25.00%
Mr. Gabelli [Member] | Award Granted for 2016 [Member] | Restricted Stock Awards [Member] | Vesting on January 1, 2020 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting percentage			100.00%
Mr. Gabelli [Member] | Award Granted for 2016 [Member] | Restricted Stock Awards [Member] | Vesting in 2016 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting percentage				25.00%
Mr. Gabelli [Member] | Award Granted for 2016 [Member] | Restricted Stock Awards [Member] | Vesting in 2017 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting percentage			25.00%
Mr. Gabelli [Member] | Award Granted for FH 2017 [Member] | Vesting on July 1, 2018 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting percentage			100.00%
Mr. Gabelli [Member] | Award Granted for FH 2017 [Member] | Vesting in 2017 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting percentage			67.00%
Mr. Gabelli [Member] | Award Granted for FH 2017 [Member] | Vesting in 2018 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting percentage			33.00%
Mr. Gabelli [Member] | Award Granted for FH 2017 [Member] | Restricted Stock Awards [Member] | Vesting on July 1, 2018 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting percentage			100.00%
Mr. Gabelli [Member] | Award Granted for FH 2017 [Member] | Restricted Stock Awards [Member] | Vesting in 2017 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting percentage			67.00%
Mr. Gabelli [Member] | Award Granted for FH 2017 [Member] | Restricted Stock Awards [Member] | Vesting in 2018 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting percentage			33.00%
Mr. Gabelli [Member] | Award Granted for Q4 2017 [Member] | Vesting in April 1, 2019 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting percentage			100.00%
Mr. Gabelli [Member] | Award Granted for Q4 2017 [Member] | Vesting in 2017 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting percentage			17.00%
Mr. Gabelli [Member] | Award Granted for Q4 2017 [Member] | Vesting in 2018 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting percentage			66.00%
Mr. Gabelli [Member] | Award Granted for Q4 2017 [Member] | Vesting in 2019 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting percentage			17.00%
Mr. Gabelli [Member] | Award Granted for Q4 2017 [Member] | Restricted Stock Awards [Member] | Vesting in April 1, 2019 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting percentage			100.00%
Mr. Gabelli [Member] | Award Granted for Q4 2017 [Member] | Restricted Stock Awards [Member] | Vesting in 2017 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting percentage			17.00%
Mr. Gabelli [Member] | Award Granted for Q4 2017 [Member] | Restricted Stock Awards [Member] | Vesting in 2018 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting percentage			66.00%
Fixed Assets Other Than Leasehold Improvements [Member]
Property, Plant and Equipment [Line Items]
Fixed assets with net book value			$ 421,000	$ 524,000
Accumulated Depreciation			$ 2,700,000	2,600,000
Fixed Assets Other Than Leasehold Improvements [Member] | Minimum [Member]
Property, Plant and Equipment [Line Items]
Estimated useful life of assets			4 years
Fixed Assets Other Than Leasehold Improvements [Member] | Maximum [Member]
Property, Plant and Equipment [Line Items]
Estimated useful life of assets			7 years
Leasehold Improvements [Member]
Property, Plant and Equipment [Line Items]
Fixed assets with net book value			$ 1,500,000	1,600,000
Depreciation and amortization			595,000	632,000	$ 618,000
Estimated annual depreciation and amortization expense			$ 590,000
Period of estimate for future depreciation and amortization			3 years
The GDL Fund [Member]
Revenue Recognition, Multiple-deliverable Arrangements [Line Items]
Performance fee receivable			$ 1,400,000	$ 4,200,000
Gabelli Merger Plus+ Trust [Member]
Revenue Recognition, Multiple-deliverable Arrangements [Line Items]
Performance fee receivable			$ 0
Rate of return multiple used as threshold for earning incentive fee			2
Open End Class AAA Shares of the Funds [Member]
Revenue Recognition, Multiple-deliverable Arrangements [Line Items]
Fee percentages paid to distributors based on fund performance			0.25%
Westwood Funds [Member]
Revenue Recognition, Multiple-deliverable Arrangements [Line Items]
Fee percentages paid to distributors based on fund performance			0.50%
Class A Shares of Gabelli Enterprise Mergers and Acquisitions Fund [Member]
Revenue Recognition, Multiple-deliverable Arrangements [Line Items]
Fee percentages paid to distributors based on fund performance			0.45%
Class C Shares [Member]
Revenue Recognition, Multiple-deliverable Arrangements [Line Items]
Fee percentages paid to distributors based on fund performance			1.00%
5.875% Senior Notes [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Debt instrument, interest rate			5.875%				5.875%
Debt issuance cost						$ 400,000
Gabelli Funds, Inc [Member] | Class B [Member]
Business Acquisition, Equity Interests Issued or Issuable [Line Items]
Exchange of common stock (in shares) | shares		24,000,000
Subsidiaries involved in transaction | Subsidiary		2

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Investment in Securities, Investment in Securities (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Trading securities [Abstract]
Cost	$ 37	$ 51
Fair Value	45	54
Available for sale securities [Abstract]
Cost	17,540	18,838
Fair Value	36,745	37,231
Total investments in securities [Abstract]
Cost	17,577	18,889
Fair value	36,790	37,285
Common Stock [Member]
Trading securities [Abstract]
Cost	26	51
Fair Value	34	54
Available for sale securities [Abstract]
Cost	17,441	18,739
Fair Value	36,637	37,131
Mutual Funds [Member]
Trading securities [Abstract]
Cost	11	0
Fair Value	11	0
Closed-end Funds [Member]
Available for sale securities [Abstract]
Cost	99	99
Fair Value	$ 108	$ 100

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Investment in Securities, Securities Sold, Not Yet Purchased (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Trading securities [Abstract]
Investment sold, not yet purchased	$ 0	$ 0

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Investment in Securities, Reclassifications Out of Accumulated Other Comprehensive Income into Income (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Net gain from investments									$ 3,115	$ 1,594	$ 4,953
Other operating expenses									23,221	23,925	19,163
Income before income taxes									132,888	182,227	139,025
Income tax benefit									(55,079)	(65,106)	(51,726)
Net income attributable to GAMCO Investors, Inc.'s shareholders	$ 13,495	$ 16,600	$ 22,894	$ 24,820	$ 32,692	$ 30,861	$ 27,543	$ 26,025	77,809	117,121	$ 83,412
Reclassification out of Accumulated Other Comprehensive Income [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Income before income taxes									3,125	1,255
Income tax benefit									(1,156)	(464)
Net income attributable to GAMCO Investors, Inc.'s shareholders									1,969	791
Realized Gain on Sale of AFS Securities [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Net gain from investments									62	4
Donation of AFS Securities [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Other operating expenses									$ 3,063	$ 1,251

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Investment in Securities, Summary of Cost, Gross Unrealized Gains, Gross Unrealized Losses and Fair Value (Details) - USD ($)	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Available-for-sale Securities, Fair Value to Amortized Cost Basis [Abstract]
Cost	$ 17,540,000	$ 18,838,000
Gross unrealized gains	19,205,000	18,393,000
Gross unrealized losses	0	0
Fair value	36,745,000	37,231,000
Changes in net unrealized gain (loss), net of tax	500,000	2,300,000	$ (5,500,000)
Amount reclassified from other comprehensive income	2,000,000	800,000	2,800,000
Proceeds from sale of investment available for sale	4,169,000	408,000	81,000
Gross realized gains on sale of investments available for sale	62,000	4,000	6,000
Gross realized losses on sale of investments available for sale	0	0	$ 0
Common Stock [Member]
Available-for-sale Securities, Fair Value to Amortized Cost Basis [Abstract]
Cost	17,441,000	18,739,000
Gross unrealized gains	19,196,000	18,392,000
Gross unrealized losses	0	0
Fair value	36,637,000	37,131,000
Closed-end Funds [Member]
Available-for-sale Securities, Fair Value to Amortized Cost Basis [Abstract]
Cost	99,000	99,000
Gross unrealized gains	9,000	1,000
Gross unrealized losses	0	0
Fair value	$ 108,000	$ 100,000

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Investment in Securities, Investments Classified as Available for Sale in Unrealized Loss Position (Details)	12 Months Ended
	Dec. 31, 2017 USD ($) Investment	Dec. 31, 2016 USD ($) Investment	Dec. 31, 2015 USD ($)
Investment in Securities [Abstract]
Number of investment holdings in loss positions | Investment	0	0
Other than temporary impairment losses, investments, available-for-sale securities | $	$ 0	$ 0	$ 0

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Fair Value (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Investments in securities [Abstract]
Total investments in securities	$ 36,790	$ 37,285
Recurring Basis [Member]
Assets [Abstract]
Cash equivalents	17,475	39,638
Investments in securities [Abstract]
AFS - Common stocks	36,637	37,131
AFS - Closed-end Funds	108	100
Trading - Common stocks	34	54
Trading - Mutual funds	11
Total investments in securities	36,790	37,285
Total assets at fair value	54,265	76,923
Recurring Basis [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]
Assets [Abstract]
Cash equivalents	17,475	39,638
Investments in securities [Abstract]
AFS - Common stocks	36,637	37,131
AFS - Closed-end Funds	108	100
Trading - Common stocks	34	54
Trading - Mutual funds	11
Total investments in securities	36,790	37,285
Total assets at fair value	54,265	76,923
Recurring Basis [Member] | Significant Other Observable Inputs (Level 2) [Member]
Assets [Abstract]
Cash equivalents	0	0
Investments in securities [Abstract]
AFS - Common stocks	0	0
AFS - Closed-end Funds	0	0
Trading - Common stocks	0	0
Trading - Mutual funds	0
Total investments in securities	0	0
Total assets at fair value	0	0
Recurring Basis [Member] | Significant Unobservable Inputs (Level 3) [Member]
Assets [Abstract]
Cash equivalents	0	0
Investments in securities [Abstract]
AFS - Common stocks	0	0
AFS - Closed-end Funds	0	0
Trading - Common stocks	0	0
Trading - Mutual funds	0
Total investments in securities	0	0
Total assets at fair value	$ 0	$ 0

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Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Federal [Abstract]
Current	$ 54,318	$ 63,991	$ 47,699
Deferred	(3,670)	(4,424)	(1,441)
State and local [Abstract]
Current	6,212	6,652	5,359
Deferred	(1,781)	(1,113)	109
Total	$ 55,079	$ 65,106	$ 51,726
Effective income tax rate reconciliation [Abstract]
Statutory Federal income tax rate	35.00%	35.00%	35.00%
State income tax, net of Federal benefit	0.50%	1.00%	2.70%
Impact of Tax Act	6.20%	0.00%	0.00%
Other	(0.30%)	(0.30%)	(0.50%)
Effective income tax rate	41.40%	35.70%	37.20%
Deferred tax assets [Abstract]
Stock compensation expense	$ 110	$ 4,006
Deferred compensation	14,740	7,629
Capital lease obligation	633	944
Other	238	311
Total deferred tax assets	15,721	12,890
Deferred tax liabilities [Abstract]
Investments in securities available for sale	(4,609)	(6,805)
Contingent deferred sales commissions	(189)	(322)
Intangible asset amortization	(233)	(235)
Other	(10)	(9)
Total deferred tax liabilities	(5,041)	(7,371)
Net deferred tax assets (liabilities)	10,680	5,519
Increase (decrease) to additional paid in capital from RSA acceleration		(401)	$ (1,190)
Income tax uncertainties [Abstract]
Recognition of unrecognized tax benefits effect	10,500	9,800
Net liability for unrecognized tax benefits	14,500	14,100
Reconciliation of the beginning and ending amount of gross unrecognized tax benefits [Roll Forward]
Balance, beginning of period	15,000	18,400	16,000
Additions based on tax positions related to the current year	2,200	2,300	2,800
Additions for tax positions of prior years	0	1,200	100
Reductions for tax positions of prior years	(3,900)	(6,900)	(500)
Settlements	0	0	0
Balance, end of period	13,300	15,000	18,400
Penalties and interest accruals related to tax uncertainties in income taxes	4,800	6,700
Income tax expenses related to an increase in its liability for interest and penalties	(300)	$ (700)	$ 1,100
Write down of net deferred tax assets	8,200
Tax expense related to revaluation of certain deferred income tax assets	10,900
Non-cash tax benefit related to revaluation of certain deferred income tax liabilities	$ 2,700
State Jurisdiction [Member] | New York [Member] | Earliest Tax Year [Member]
Income Tax Contingency [Line Items]
Tax years under examination	2007
State Jurisdiction [Member] | New York [Member] | Latest Tax Year [Member]
Income Tax Contingency [Line Items]
Tax years under examination	2011
ASU 2016-09 [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Change in effective income tax rate over prior period	0.70%

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Earnings per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Basic [Abstract]
Income from continuing operations									$ 77,809	$ 117,121	$ 87,299
Loss from discontinued operations, net of taxes									0	0	(3,887)
Net income attributable to GAMCO Investors, Inc.'s shareholders	$ 13,495	$ 16,600	$ 22,894	$ 24,820	$ 32,692	$ 30,861	$ 27,543	$ 26,025	$ 77,809	$ 117,121	$ 83,412
Weighted average share outstanding (in shares)									28,980	29,182	25,425
Basic net income per share attributable to GAMCO Investors, Inc.'s shareholders [Abstract]
Continuing operations (in dollars per share)									$ 2.68	$ 4.01	$ 3.43
Discontinued operations (in dollars per share)									0	0	(0.15)
Basic - Total (in dollars per share)	$ 0.46	$ 0.57	$ 0.79	$ 0.86	$ 1.12	$ 1.06	$ 0.94	$ 0.89	$ 2.68	$ 4.01	$ 3.28
Diluted [Abstract]
Income from continuing operations									$ 77,809	$ 117,121	$ 87,299
Add interest on convertible notes, net of management fee and taxes									2,604	1,133	0
Total income from continuing operations									80,413	118,254	87,299
Gain/(loss) from discontinued operations, net of taxes									0	0	(3,887)
Net income attributable to GAMCO Investors, Inc.'s shareholders									$ 80,413	$ 118,254	$ 83,412
Weighted average share outstanding (in shares)									28,980	29,182	25,425
Dilutive stock options and restricted stock awards									192	234	286
Assumed conversion of convertible notes (in shares)									1,775	754	0
Total (in shares)									30,947	30,170	25,711
Diluted net income per share attributable to GAMCO Investors, Inc.'s shareholder [Abstract]
Continuing operations (in dollars per share)									$ 2.60	$ 3.92	$ 3.40
Discontinued operations (in dollars per share)									0	0	(0.15)
Diluted - Total (in dollars per share)	$ 0.46	$ 0.55	$ 0.76	$ 0.82	$ 1.07	$ 1.03	$ 0.93	$ 0.88	$ 2.60	$ 3.92	$ 3.24

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Debt (Details) - USD ($) $ / shares in Units, $ in Thousands, shares in Millions							3 Months Ended			12 Months Ended
	Nov. 21, 2017	Nov. 20, 2017	Sep. 30, 2017	Mar. 18, 2016	Nov. 18, 2015	May 31, 2011	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015	Aug. 15, 2016	Nov. 30, 2015	Apr. 30, 2015
Long-term debt [Abstract]
Carrying value							$ 89,144			$ 89,144	$ 233,955
Period of interest included in initial deposit										6 months
Loss on extinguishment of debt										$ (3,300)	0	$ (1,067)
Prepayment of debt										50,000	150,000	$ 0
Maximum amount of debt and equity to be issued under Shelf Registration															$ 500,000
Loans borrowed in exchange for a note							15,000			15,000	0
Level 2 [Member]
Long-term debt [Abstract]
Fair value							90,087			90,087	237,013
4.5% Convertible Notes [Member]
Long-term debt [Abstract]
Carrying value							$ 0			$ 0	109,835
Debt instrument, term										5 years
Face value of debt													$ 110,000
Debt instrument, interest rate							4.50%			4.50%			4.50%
Debt issuance cost		$ 135					$ 174			$ 174			$ 174
Debt instrument, maturity date							Aug. 15, 2021			Aug. 15, 2021
Debt redemption price		103.00%								50.00%
Debt instrument, repurchased face amount							$ 114,600			$ 114,600
Percentage of assets owned in escrow account	47.00%		53.00%
Cash deposited into escrow account	$ 53,000		$ 60,000
Loss on extinguishment of debt							(3,300)			$ (3,300)
4.5% Convertible Notes [Member] | Redemption on or after February 15, 2019 [Member]
Long-term debt [Abstract]
Debt redemption price										101.00%
4.5% Convertible Notes [Member] | Common Class A [Member]
Long-term debt [Abstract]
Debt instrument, conversion price (in dollars per share)													$ 55.00
Debt instrument, shares issuable in conversion (in shares)													2
4.5% Convertible Notes [Member] | Level 2 [Member]
Long-term debt [Abstract]
Fair value							0			$ 0	111,525
4.5% Convertible Notes [Member] | GGCP Holdings LLC [Member]
Long-term debt [Abstract]
Equity method investment, ownership percentage													62.00%
Period of interest included in initial deposit										6 months
AC 4% PIK Note [Member]
Long-term debt [Abstract]
Carrying value							50,000			$ 50,000	100,000
Debt instrument, term										5 years
Face value of debt							$ 50,000			$ 50,000				$ 250,000
Debt instrument, interest rate							4.00%			4.00%				4.00%
Debt instrument, maturity date										Nov. 30, 2020
Prepayment of debt										$ 50,000
AC 4% PIK Note [Member] | Principal Amount Due on November 30, 2018 [Member]
Long-term debt [Abstract]
Prepayment of debt										30,000
AC 4% PIK Note [Member] | Principal Amount Due on November 30, 2019 [Member]
Long-term debt [Abstract]
Prepayment of debt										20,000
AC 4% PIK Note [Member] | Level 2 [Member]
Long-term debt [Abstract]
Fair value							$ 50,572			$ 50,572	100,930
Loan from GGCP [Member]
Long-term debt [Abstract]
Debt instrument, term										1 year
Face value of debt							35,000			$ 35,000
Debt instrument, maturity date										Dec. 28, 2016
Repayment of debt				$ 15,000					$ 20,000
Loan from GGCP [Member] | 90-day LIBOR [Member]
Long-term debt [Abstract]
Debt instrument, basis spread on variable rate										3.25%
5.875% Senior Notes [Member]
Long-term debt [Abstract]
Carrying value							$ 24,144			$ 24,144	24,120
Face value of debt					$ 100,000	$ 100,000
Debt instrument, interest rate						5.875%	5.875%			5.875%
Debt issuance cost					$ 400
Net proceeds from debt issuance						$ 99,100
Debt issuance cost capitalized						$ 900
Debt instrument, maturity date										Jun. 01, 2021
Debt redemption price					101.00%	101.00%
Debt instrument, repurchased face amount					$ 75,800
Loss on extinguishment of debt					$ (800)
5.875% Senior Notes [Member] | Level 2 [Member]
Long-term debt [Abstract]
Fair value							$ 24,543			$ 24,543	24,558
AC 1.6% Note [Member]
Long-term debt [Abstract]
Carrying value							$ 15,000			$ 15,000	0
Debt instrument, interest rate							1.60%			1.60%
Debt instrument, maturity date								Feb. 28, 2018		Feb. 28, 2018
Loans borrowed in exchange for a note							$ 15,000			$ 15,000
AC 1.6% Note [Member] | Level 2 [Member]
Long-term debt [Abstract]
Fair value							$ 14,972			$ 14,972	$ 0
0% Subordinated Debentures [Member]
Long-term debt [Abstract]
Debt instrument, interest rate							0.00%			0.00%
Debt instrument, maturity date										Dec. 31, 2015

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Equity, Voting Rights and Stock Award and Incentive Plan (Details)				3 Months Ended	12 Months Ended
	Dec. 27, 2017 USD ($) shares	Aug. 07, 2017 USD ($) shares	Jun. 01, 2017 USD ($) shares	Dec. 31, 2017 USD ($) $ / shares shares	Dec. 31, 2017 USD ($) VoteperShare Plan $ / shares shares	Dec. 31, 2016 USD ($) $ / shares shares	Dec. 31, 2015 USD ($) $ / shares shares
Stock Award and Incentive Plan [Abstract]
Number of incentive plans | Plan					1
Actual and projected stock based compensation expense for RSA shares and options [Abstract]
Compensation cost related to non-vested restricted stock awards and options not yet recognized				$ 187,000	$ 187,000
Projected compensation cost not yet recognized [Abstract]
2018				187,000	187,000
2019				0	0
2020				0	0
2021				0	0
2022				0	0
2023				0	0
2024				0	0
2025				$ 0	0
Stock based compensation expense					8,669,000	$ 3,959,000	$ 9,868,000
Tax benefit from compensation expense					3,300,000	1,500,000	3,700,000
Proceeds from exercise of stock options					$ 0	$ 0	1,167,000
Tax benefit from exercise of stock options							$ 102,000
Class A [Member]
Voting Rights [Abstract]
Number of votes per share | VoteperShare					1
Class A [Member] | Maximum [Member]
Stock Award and Incentive Plan [Abstract]
Number of shares reserved for issuance under each plan (in shares) | shares				6,000,000	6,000,000
Class B [Member]
Voting Rights [Abstract]
Number of votes per share | VoteperShare					10
Stock Options [Member]
Options, shares [Roll Forward]
Outstanding, beginning of period (in shares) | shares					0	0
Granted (in shares) | shares					0	0
Forfeited (in shares) | shares					0	0
Exercised (in shares) | shares					0	0
Outstanding, end of period (in shares) | shares				0	0	0	0
Shares available for future issuance, end of period (in shares) | shares				281,349	281,349
Options, weighted average exercise price [Roll Forward]
Outstanding, beginning of period (in dollars per share) | $ / shares					$ 0	$ 0
Granted (in dollars per share) | $ / shares					0	0
Forfeited (in dollars per share) | $ / shares					0	0
Exercised / Vested (in dollars per share) | $ / shares					0	0
Outstanding, end of period (in dollars per share) | $ / shares				$ 0	$ 0	$ 0	$ 0
Stock Options [Member] | Maximum [Member]
Stock Award and Incentive Plan [Abstract]
Term of nonqualified stock options					10 years
Stock Options [Member] | Vesting in Three Years from Date of Grant [Member]
RSAs, weighted average grant date fair value [Abstract]
Award vesting percentage					75.00%
Award vesting period					3 years
Restricted Stock Awards [Member]
RSAs, shares [Roll Forward]
Outstanding, beginning of period (in shares) | shares					424,340	553,100
Granted (in shares) | shares					0	0	0
Forfeited (in shares) | shares					(4,500)	(9,300)
Vested (in shares) | shares					(400,440)	(119,460)
Outstanding, end of period (in shares) | shares				19,400	19,400	424,340	553,100
RSAs, weighted average grant date fair value [Abstract]
Outstanding, beginning of period (in dollars per share) | $ / shares					$ 65.74	$ 64.02
Granted (in dollars per share) | $ / shares					0	0
Forfeited (in dollars per share) | $ / shares					78.62	64.85
Vested (in dollars per share) | $ / shares					65.60	57.86
Outstanding, end of period (in dollars per share) | $ / shares				$ 65.67	$ 65.67	$ 65.74	$ 64.02
Number of shares with accelerated vesting (in shares) | shares	144,650	201,120		144,650	345,770
Stock compensation expense recognized due to acceleration of lapsing of restrictions on RSAs	$ 1,300,000	$ 1,800,000		$ 1,300,000	$ 6,800,000		$ 3,500,000
Restricted Stock Awards [Member] | Vesting in Three Years from Date of Grant [Member]
RSAs, weighted average grant date fair value [Abstract]
Award vesting percentage					30.00%
Award vesting period					3 years
Restricted Stock Awards [Member] | Vesting in Five Years from Date of Grant [Member]
RSAs, weighted average grant date fair value [Abstract]
Award vesting percentage					70.00%
Award vesting period					5 years
Restricted Stock Awards [Member] | Vesting in Year Four from Date of Grant [Member]
RSAs, weighted average grant date fair value [Abstract]
Award vesting percentage					10.00%
Restricted Stock Awards [Member] | Vesting in Year Five from Date of Grant [Member]
RSAs, weighted average grant date fair value [Abstract]
Award vesting percentage					10.00%
Restricted Stock Awards [Member] | Vesting in Year Six from Date of Grant [Member]
RSAs, weighted average grant date fair value [Abstract]
Award vesting percentage					10.00%
Restricted Stock Awards [Member] | Vesting in Year Seven from Date of Grant [Member]
RSAs, weighted average grant date fair value [Abstract]
Award vesting percentage					10.00%
Restricted Stock Awards [Member] | Vesting in Year Eight from Date of Grant [Member]
RSAs, weighted average grant date fair value [Abstract]
Award vesting percentage					10.00%
Restricted Stock Awards [Member] | Vesting in Year Nine from Date of Grant [Member]
RSAs, weighted average grant date fair value [Abstract]
Award vesting percentage					10.00%
Restricted Stock Awards [Member] | Vesting in Year Ten from Date of Grant [Member]
RSAs, weighted average grant date fair value [Abstract]
Award vesting percentage					10.00%
Restricted Stock Awards [Member] | AC [Member]
RSAs, weighted average grant date fair value [Abstract]
Number of shares with accelerated vesting (in shares) | shares			420,240
Stock compensation expense recognized due to acceleration of lapsing of restrictions on RSAs			$ 3,700,000
Mr. Gabelli [Member] | Award Granted for 2016 [Member] | Vesting on January 1, 2020 [Member]
RSAs, weighted average grant date fair value [Abstract]
Award vesting percentage					100.00%
Mr. Gabelli [Member] | Award Granted for 2016 [Member] | Vesting in 2017 [Member]
RSAs, weighted average grant date fair value [Abstract]
Award vesting percentage					25.00%
Mr. Gabelli [Member] | Award Granted for 2016 [Member] | Vesting in 2016 [Member]
RSAs, weighted average grant date fair value [Abstract]
Award vesting percentage					25.00%
Mr. Gabelli [Member] | Award Granted for 2016 [Member] | Vesting in 2018 [Member]
RSAs, weighted average grant date fair value [Abstract]
Award vesting percentage					25.00%
Mr. Gabelli [Member] | Award Granted for 2016 [Member] | Restricted Stock Awards [Member] | Vesting on January 1, 2020 [Member]
RSAs, weighted average grant date fair value [Abstract]
Award vesting percentage					100.00%
Mr. Gabelli [Member] | Award Granted for 2016 [Member] | Restricted Stock Awards [Member] | Vesting in 2017 [Member]
RSAs, weighted average grant date fair value [Abstract]
Award vesting percentage					25.00%
Deferred compensation agreement, value of shares issued					$ 18,991,316
Mr. Gabelli [Member] | Award Granted for 2016 [Member] | Restricted Stock Awards [Member] | Vesting in 2016 [Member]
RSAs, weighted average grant date fair value [Abstract]
Award vesting percentage						25.00%
Deferred compensation agreement, value of shares issued						$ 18,991,316
Mr. Gabelli [Member] | Award Granted for 2016 [Member] | Restricted Stock Awards [Member] | Class A [Member]
RSAs, weighted average grant date fair value [Abstract]
Deferred compensation agreement, shares issued (in shares) | shares						2,314,695
Deferred compensation agreement, share price (in dollars per share) | $ / shares						$ 32.8187
Deferred compensation agreement, value of shares issued						$ 75,965,266
Closing price (in dollars per share) | $ / shares				$ 29.65	$ 29.65	$ 30.89
Reduction of RSU expense					$ (2,600,000)	$ (1,116,082)
Mr. Gabelli [Member] | Award Granted for FH 2017 [Member] | Vesting on July 1, 2018 [Member]
RSAs, weighted average grant date fair value [Abstract]
Award vesting percentage					100.00%
Mr. Gabelli [Member] | Award Granted for FH 2017 [Member] | Vesting in 2017 [Member]
RSAs, weighted average grant date fair value [Abstract]
Award vesting percentage					67.00%
Mr. Gabelli [Member] | Award Granted for FH 2017 [Member] | Vesting in 2018 [Member]
RSAs, weighted average grant date fair value [Abstract]
Award vesting percentage					33.00%
Mr. Gabelli [Member] | Award Granted for FH 2017 [Member] | Restricted Stock Awards [Member] | Vesting on July 1, 2018 [Member]
RSAs, weighted average grant date fair value [Abstract]
Award vesting percentage					100.00%
Mr. Gabelli [Member] | Award Granted for FH 2017 [Member] | Restricted Stock Awards [Member] | Vesting in 2017 [Member]
RSAs, weighted average grant date fair value [Abstract]
Award vesting percentage					67.00%
Mr. Gabelli [Member] | Award Granted for FH 2017 [Member] | Restricted Stock Awards [Member] | Vesting in 2018 [Member]
RSAs, weighted average grant date fair value [Abstract]
Award vesting percentage					33.00%
Mr. Gabelli [Member] | Award Granted for FH 2017 [Member] | Restricted Stock Awards [Member] | Class A [Member]
RSAs, weighted average grant date fair value [Abstract]
Deferred compensation agreement, shares issued (in shares) | shares					1,244,018
Deferred compensation agreement, share price (in dollars per share) | $ / shares					$ 29.6596
Deferred compensation agreement, value of shares issued					$ 36,897,086
Closing price (in dollars per share) | $ / shares				29.65	$ 29.65
Reduction of RSU expense					$ (17,000)
Mr. Gabelli [Member] | Award Granted for Q4 2017 [Member] | Vesting in 2017 [Member]
RSAs, weighted average grant date fair value [Abstract]
Award vesting percentage					17.00%
Mr. Gabelli [Member] | Award Granted for Q4 2017 [Member] | Vesting in 2018 [Member]
RSAs, weighted average grant date fair value [Abstract]
Award vesting percentage					66.00%
Mr. Gabelli [Member] | Award Granted for Q4 2017 [Member] | Vesting in April 2019 [Member]
RSAs, weighted average grant date fair value [Abstract]
Award vesting percentage					100.00%
Mr. Gabelli [Member] | Award Granted for Q4 2017 [Member] | Restricted Stock Awards [Member] | Vesting in 2017 [Member]
RSAs, weighted average grant date fair value [Abstract]
Award vesting percentage					17.00%
Mr. Gabelli [Member] | Award Granted for Q4 2017 [Member] | Restricted Stock Awards [Member] | Vesting in 2018 [Member]
RSAs, weighted average grant date fair value [Abstract]
Award vesting percentage					66.00%
Mr. Gabelli [Member] | Award Granted for Q4 2017 [Member] | Restricted Stock Awards [Member] | Vesting in April 2019 [Member]
RSAs, weighted average grant date fair value [Abstract]
Award vesting percentage					100.00%
Mr. Gabelli [Member] | Award Granted for Q4 2017 [Member] | Restricted Stock Awards [Member] | Vesting in 2019 [Member]
RSAs, weighted average grant date fair value [Abstract]
Award vesting percentage					17.00%
Mr. Gabelli [Member] | Award Granted for Q4 2017 [Member] | Restricted Stock Awards [Member] | Class A [Member]
RSAs, weighted average grant date fair value [Abstract]
Deferred compensation agreement, shares issued (in shares) | shares					530,662
Deferred compensation agreement, share price (in dollars per share) | $ / shares					$ 29.1875
Deferred compensation agreement, value of shares issued					$ 15,488,708
Closing price (in dollars per share) | $ / shares				$ 29.65	$ 29.65
Reduction of RSU expense					$ 0

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Equity, Stock Repurchase Program, Dividends, and Shelf Registration (Details) - USD ($) $ / shares in Units, $ in Thousands	1 Months Ended	11 Months Ended	12 Months Ended
	Dec. 31, 2015	Nov. 30, 2015	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015	Aug. 31, 2017	May 31, 2017	Aug. 31, 2015	Apr. 30, 2015	Dec. 31, 1999
Dividends Payable [Line Items]
Dividends declared (in dollars per share)			$ 0.08	$ 0.08	$ 0.28
Share based compensation dividends accrued			$ 24	$ 400
Debt Instrument [Line Items]
Maximum amount of debt and equity to be issued under Shelf Registration									$ 500,000
Common Class A [Member] | Stock Repurchase Program [Member]
Stock Repurchase Program [Abstract]
Amount of shares authorized to be repurchased										$ 9,000
Number of shares authorized to be repurchased (in shares)						425,352	500,000	500,000
Shares repurchased (in shares)	13,400	413,228	484,526	348,687	426,628
Average price per share of repurchased shares (in dollars per share)	$ 32.56	$ 64.86	$ 29.56	$ 30.88	$ 63.85
Share available under program to repurchase (in shares)			674,294
Common Stock Class A and Class B [Member]
Dividends Payable [Line Items]
Dividends declared (in dollars per share)			$ 0.08	$ 0.08	$ 0.28
Dividend cost			$ 2,400	$ 2,400	$ 7,500

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Capital Lease (Details)	12 Months Ended
	Dec. 31, 2017 USD ($)	Dec. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)	Dec. 31, 2014 $ / ft²
Capital Lease [Abstract]
Lease term	15 years
Base rent per square foot (in dollars per square foot) | $ / ft²				18
Base rental			$ 1,100,000
Lease payments under capital lease agreement	$ 1,200,000	$ 1,200,000	$ 1,200,000
Accumulated amortization on the leased property	4,900,000	$ 4,600,000
Capital Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]
2018	1,230,000
2019	1,080,000
2020	1,080,000
2021	1,080,000
2022	1,080,000
Thereafter	6,480,000
Total minimum obligations	12,030,000
Interest	7,075,000
Present value of net obligations	4,955,000
Capital Leases, Future Minimum Payments Due	1,080,000
Future sublease rentals	$ 1,100,000
Term of capital lease sublease rentals	6 years
Estimated annual operating expenses to be borne by the Company	$ 700,000

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Contractual Obligations (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]
2018	$ 808
2019	479
2020	47
2021	47
2022	4
Total	1,385
Rent expense	$ 2,200	$ 2,400	$ 2,300

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Shareholder-Designated Contribution Plan (Details) $ / shares in Units, $ in Millions	12 Months Ended
	Dec. 31, 2017 USD ($) $ / shares	Dec. 31, 2015 USD ($) Contribution $ / shares
Shareholder-Designated Contribution Plan [Abstract]
Shareholder-designated contribution | Contribution		1
Initial contribution per registered share to Shareholder-designated charitable contribution program (in dollars per share)		$ 0.25
Expense related to shareholder-designated charitable contribution program | $	$ 4.1	$ 6.4
Shareholder-designated contribution, diluted per share (in dollars per share)	$ 0.08	$ 0.12

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Related Party Transactions (Details) shares in Millions	9 Months Ended	12 Months Ended
	Dec. 31, 2017 ft² $ / ft²	Dec. 31, 2017 USD ($) ft² $ / ft² shares	Mar. 31, 2017 ft² $ / ft²	Dec. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)
Associated Capital Group, Inc. [Member]
Capital Lease [Abstract]
Area of lease space (in square feet) | ft²	15,000	15,000	15,000
Sublease rental base rate (in dollars per square foot) | $ / ft²	22.03		21.62
Sublease rental rate for utilities and taxes on sublease property (in dollars per square foot) | ft²	3		3
Sublease rental base rate		$ 367,798		$ 297,185
Common Class A [Member] | Associated Capital Group, Inc. [Member]
Related Party Transaction [Line Items]
Ownership percentage of voting rights	2.00%	2.00%
Percentage of ownership	15.00%	15.00%
Shares owned by related party (in shares) | shares		4.4
GGCP Holdings LLC [Member] | Common Class B [Member]
Related Party Transaction [Line Items]
Ownership percentage of voting rights	91.00%	91.00%
Percentage of ownership	63.00%	63.00%
GCI [Member] | Fund Advisor [Member] | Advisory Fees [Member]
Investment Advisory Services [Abstract]
Revenue from related parties		$ 2,800,000		2,700,000	$ 1,000,000
Percentage of net revenue paid to related party		90.00%
Entity Controlled by Members of Chairman's Family [Member]
Capital Lease [Abstract]
Area of lease space (in square feet) | ft²	60,000	60,000
LICT Corporation [Member]
Capital Lease [Abstract]
Area of lease space (in square feet) | ft²	3,300	3,300
Sublease rental base rate (in dollars per square foot) | $ / ft²		28
Sublease rental rate for utilities and taxes on sublease property (in dollars per square foot) | ft²		3
Sublease rental base rate		$ 116,756		116,564	119,686
Teton [Member]
Capital Lease [Abstract]
Area of lease space (in square feet) | ft²	1,600	1,600
Sublease rental base rate (in dollars per square foot) | $ / ft²		37.75
Sublease rental rate for utilities and taxes on sublease property (in dollars per square foot) | ft²		3
Sublease rental base rate		$ 68,293		68,205	69,632
MJG Associates, Inc [Member] | G B L [Member] | Advisory Fees [Member]
Investment Advisory Services [Abstract]
Revenue from related parties		10,000		10,000	10,000
Manhattan Partners I, L.P [Member] | G B L [Member] | Advisory Fees [Member]
Investment Advisory Services [Abstract]
Revenue from related parties		9,851		11,274	13,595
S.W.A.N. Partners, LP [Member] | G B L [Member] | Advisory Fees [Member]
Investment Advisory Services [Abstract]
Revenue from related parties		19,776		18,206	20,406
Affiliated Funds [Member] | G.distributors, LLC [Member] | Distribution Fees [Member]
Investment Advisory Services [Abstract]
Revenue from related parties		39,700,000		41,000,000	$ 47,700,000
Affiliated Funds [Member] | G.distributors, LLC [Member] | Advisory and Distribution Fees [Member]
Investment Advisory Services [Abstract]
Revenue from related parties		$ 30,400,000		$ 32,900,000

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Related Party Transactions, Compensation and Other (Details) - USD ($)			3 Months Ended	9 Months Ended	12 Months Ended
	Nov. 21, 2017	Sep. 30, 2017	Dec. 31, 2017	Sep. 30, 2017	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014	Dec. 29, 2017	Dec. 27, 2017	Aug. 15, 2016	Nov. 30, 2015	Jul. 02, 2015	May 31, 2006
Compensation [Abstract]
Percentage payout of revenues or net operating contribution to the portfolio managers and marketing staff who introduce, service or generate private wealth management business			40.00%		40.00%
Payable to affiliates			$ 855,000		$ 855,000	$ 1,412,000
Other [Abstract]
Deposited transaction amount					328,000	353,000	$ 432,000
Institutional research services					$ 2,300,000	1,500,000	700,000
Notice period of agreement between related parties					30 days
Term of agreement between related parties					12 months
Annual costs of setting up escrow account paid					$ 55,000
Period of interest included in initial deposit					6 months
AC 4% PIK Note [Member]
Other [Abstract]
Face value of debt			$ 50,000,000		$ 50,000,000							$ 250,000,000
Debt instrument, interest rate			4.00%		4.00%							4.00%
Debt instrument, maturity date					Nov. 30, 2020
Interest expenses					$ 3,000,000	7,700,000	800,000
Loan from GGCP [Member]
Other [Abstract]
Face value of debt			$ 35,000,000		$ 35,000,000
Debt instrument, maturity date					Dec. 28, 2016
Interest expenses						415,000
Loan from AC [Member]
Other [Abstract]
Face value of debt										$ 15,000,000
Debt instrument, interest rate										1.60%
Debt instrument, maturity date					Feb. 28, 2018
Interest expenses					$ 4,000
Convertible Notes [Member]
Other [Abstract]
Face value of debt											$ 110,000,000
Debt instrument, interest rate			4.50%		4.50%						4.50%
Debt instrument, maturity date			Aug. 15, 2021		Aug. 15, 2021
Percentage of assets owned in escrow account	47.00%	53.00%
Cash deposited into escrow account	$ 53,000,000	$ 60,000,000
GCI [Member] | 5.5% Demand Loan [Member]
Other [Abstract]
Face value of debt								$ 16,000,000
Debt instrument, interest rate								5.50%
Interest expenses							900,000	$ 1,000,000
Fund Advisor [Member]
Other [Abstract]
Institutional research services					$ 2,300,000	1,500,000	800,000
Significant Shareholder [Member] | Common Class A [Member]
Other [Abstract]
Shares included in the Exchange and Standstill agreement (in shares)													1,705,974
Significant Shareholder [Member] | Common Class B [Member]
Other [Abstract]
Shares included in the Exchange and Standstill agreement (in shares)														2,071,635
GGCP [Member]
Other [Abstract]
Percentage of assets owned in escrow account	47.00%			53.00%
Cash deposited into escrow account	$ 53,100,000			$ 60,000,000
GGCP [Member] | Convertible Notes [Member]
Other [Abstract]
Additional amount paid to repurchase debt	$ 1,400,000
GBL and Teton [Member]
Other [Abstract]
Flat sub-administration agreement percentage on mutual funds					0.20%
Administration fees percentage on first tier of net assets					0.20%
First tier net assets maximum					$ 370,000,000
Administration fees percentage on second tier of net assets					0.12%
Second tier net assets maximum					$ 630,000,000
Administration fees percentage on third tier of net assets					0.10%
Third tier net assets minimum					$ 1,000,000,000
Monthly administrative service fee					4,167	18,750	25,000
Administrative and management services					$ 2,100,000	$ 2,000,000	$ 2,200,000
Certain Executive Officers and Employees [Member]
Compensation [Abstract]
Payable to affiliates									$ 11,700,000
Certain Executive Officers and Employees [Member] | Due on January 31, 2018 [Member]
Compensation [Abstract]
Payable to affiliates									5,500,000
Certain Executive Officers and Employees [Member] | Due on February 28, 2018 [Member]
Compensation [Abstract]
Payable to affiliates									$ 6,200,000

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Financial Requirements (Details)	Dec. 31, 2017 USD ($)	Dec. 31, 2017 GBP (£)	Dec. 31, 2016 USD ($)	Dec. 31, 2016 GBP (£)
Financial Requirements [Abstract]
Minimum capital requirement	$ 250,000
Own funds	853,000	£ 632,000	$ 713,000	£ 580,000
Own funds requirement	$ 291,000	£ 216,000	$ 326,000	£ 265,000

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Profit Sharing Plan and Incentive Savings Plan (Details) - USD ($)	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Profit Sharing Plan and Incentive Savings Plan [Abstract]
Accrued contributions	$ 109,000	$ 77,000	$ 26,000

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Identifiable Intangible Assets (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Finite-Lived Intangible Assets [Line Items]
Impairment on intangible assets	$ 0.0	$ 0.0
Investment Advisory Contract [Member] | Gabelli Enterprise Mergers and Acquisitions Fund [Member]
Finite-Lived Intangible Assets [Line Items]
Identifiable intangible asset	1.9	1.9
Investment Advisory Contract [Member] | Bancroft Fund Ltd. and the Ellsworth Growth and Income Fund Ltd. [Member]
Finite-Lived Intangible Assets [Line Items]
Identifiable intangible asset	$ 1.6	$ 1.6

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Discontinued Operations (Details)	12 Months Ended
	Dec. 31, 2017 USD ($) shares	Dec. 31, 2016 USD ($) shares	Dec. 31, 2015 USD ($) shares	Nov. 30, 2015
Other income [Abstract]
Loss from discontinued operations, net of taxes	$ 0	$ 0	$ (3,887,000)
Common Class A [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of shares of stock held by related party (in shares) | shares	9,949,482	10,369,601
Note Payable to AC [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Debt instrument, interest rate	4.00%			4.00%
Debt instrument, term	5 years
Discontinued Operations, Disposed of by Means Other than Sale, Spinoff [Member] | Associated Capital Group, Inc. [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Gain (loss) on spin-off			$ 0
Share exchange ratio			1
Costs incurred with respect to spin-off			$ 2,400,000
Revenues [Abstract]
Investment advisory and incentive fees			8,552,000
Distribution fees and other income			279,000
Institutional research services			8,973,000
Total revenues			17,804,000
Expenses [Abstract]
Compensation			20,500,000
Stock based compensation			4,716,000
Management fee			(727,000)
Distribution costs			(85,000)
Other operating expenses			9,070,000
Total expenses			33,474,000
Operating loss			(15,670,000)
Other income [Abstract]
Net gain from investments			7,660,000
Interest and dividend income			2,740,000
Interest expense			(1,224,000)
Total other income, net			9,176,000
Loss from discontinued operations before income taxes			(6,494,000)
Income tax benefit			(2,045,000)
Loss from discontinued operations, net of taxes			(4,449,000)
Net loss attributable to noncontrolling interests			(562,000)
Net loss attributable to GAMCO Investors, Inc.'s discontinued operations, net of taxes			$ (3,887,000)
Discontinued Operations, Disposed of by Means Other than Sale, Spinoff [Member] | Associated Capital Group, Inc. [Member] | Common Class A [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of shares of stock held by related party (in shares) | shares			4,400,000
Discontinued Operations, Disposed of by Means Other than Sale, Spinoff [Member] | Associated Capital Group, Inc. [Member] | Note Payable to AC [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Debt instrument, interest rate			4.00%
Debt instrument, term	5 years

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Quarterly Financial Information (Unaudited) (Details) - USD ($) $ / shares in Units, $ in Thousands			3 Months Ended								12 Months Ended
	Dec. 27, 2017	Aug. 07, 2017	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015	Aug. 15, 2016
Quarterly Financial Information (Unaudited) [Abstract]
Revenues			$ 98,666	$ 88,341	$ 87,600	$ 85,917	$ 99,950	$ 87,721	$ 83,944	$ 81,385	$ 360,524	$ 353,000
Operating income			39,524	23,393	39,660	42,443	52,031	48,076	46,747	44,942	145,020	191,796	$ 147,949
Income from continuing operations											77,809	117,121	87,299
Loss from discontinued operations, net of taxes											0	0	(3,887)
Net income attributable to GAMCO Investors, Inc.'s shareholders			$ 13,495	$ 16,600	$ 22,894	$ 24,820	$ 32,692	$ 30,861	$ 27,543	$ 26,025	$ 77,809	$ 117,121	$ 83,412
Net income attributable to GAMCO Investors, Inc.'s shareholders per share [Abstract]
Basic - Continuing operations (in dollars per share)											$ 2.68	$ 4.01	$ 3.43
Basic - Discontinued operations (in dollars per share)											0	0	(0.15)
Basic (in dollars per share)			$ 0.46	$ 0.57	$ 0.79	$ 0.86	$ 1.12	$ 1.06	$ 0.94	$ 0.89	2.68	4.01	3.28
Diluted - Continuing operations (in dollars per share)											2.60	3.92	3.40
Diluted - Discontinued operations (in dollars per share)											0	0	(0.15)
Diluted (in dollars per share)			$ 0.46	$ 0.55	$ 0.76	$ 0.82	$ 1.07	$ 1.03	$ 0.93	$ 0.88	$ 2.60	$ 3.92	$ 3.24
Debt Instrument [Line Items]
Loss on extinguishment of debt											$ (3,300)	$ 0	$ (1,067)
Write down of net deferred tax assets											8,200
4.5% Convertible Notes [Member]
Debt Instrument [Line Items]
Loss on extinguishment of debt			$ (3,300)								(3,300)
Debt instrument, repurchased face amount			$ 110,000								$ 110,000
Debt instrument, interest rate			4.50%								4.50%			4.50%
Debt instrument, maturity date			Aug. 15, 2021								Aug. 15, 2021
Restricted Stock Awards [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares with accelerated vesting (in shares)	144,650	201,120	144,650								345,770
Stock compensation expense resulting from accelerated lapsing of restrictions on RSAs	$ 1,300	$ 1,800	$ 1,300								$ 6,800		$ 3,500
Stock compensation expense resulting from accelerated lapsing of restrictions on RSAs per fully diluted share (in dollars per share)			$ 0.02

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Subsequent Events (Details)								1 Months Ended	2 Months Ended	3 Months Ended		12 Months Ended
	Mar. 05, 2018 shares	Feb. 28, 2018 USD ($)	Feb. 06, 2018 USD ($) $ / ft²	Jan. 05, 2018 shares	Dec. 27, 2017 USD ($) shares	Aug. 07, 2017 USD ($) shares	Jun. 01, 2017 USD ($) shares	Feb. 06, 2018 $ / ft² $ / shares	Mar. 05, 2018 $ / shares shares	Mar. 31, 2018 USD ($)	Dec. 31, 2017 USD ($) shares	Dec. 31, 2017 USD ($) $ / shares shares	Dec. 31, 2016 $ / shares shares	Dec. 31, 2015 USD ($) $ / shares	Nov. 30, 2015	Dec. 31, 2014 $ / ft²
Subsequent Event [Line Items]
Dividends declared (in dollars per share) | $ / shares												$ 0.08	$ 0.08	$ 0.28
Base rent per square foot (in dollars per square foot) | $ / ft²																18
AC 4% PIK Note [Member]
Subsequent Event [Line Items]
Debt instrument, interest rate											4.00%	4.00%			4.00%
Loan from AC [Member]
Subsequent Event [Line Items]
Debt instrument, interest rate					1.60%
AC 1.6% Note [Member]
Subsequent Event [Line Items]
Debt instrument, interest rate											1.60%	1.60%
Class A [Member]
Subsequent Event [Line Items]
Common stock, shares outstanding (in shares)											9,949,482	9,949,482	10,369,601
Restricted Stock Awards [Member]
Subsequent Event [Line Items]
Number of shares with accelerated vesting (in shares)					144,650	201,120					144,650	345,770
Compensation record expenses due to accelerated vesting | $					$ 1,300,000	$ 1,800,000					$ 1,300,000	$ 6,800,000		$ 3,500,000
Restricted Stock Awards [Member] | AC [Member]
Subsequent Event [Line Items]
Number of shares with accelerated vesting (in shares)							420,240
Compensation record expenses due to accelerated vesting | $							$ 3,700,000
Restricted Stock Awards [Member] | Scenario, Forecast [Member]
Subsequent Event [Line Items]
Compensation record expenses due to accelerated vesting | $										$ 187,000
Subsequent Event [Member] | AC [Member]
Subsequent Event [Line Items]
Base rent per square foot (in dollars per square foot) | $ / ft²			36.71					36.71
Electricity bill per square foot (in dollars per square foot) | $ / ft²			3					3
Common Stock, Voting Powers Owned, Percentage	2.00%								2.00%
Common Stock, Shares Outstanding, Percentage	13.00%								13.00%
Subsequent Event [Member] | G.research LLC [Member]
Subsequent Event [Line Items]
Renewal of research service agreement | $			$ 1,500,000
Subsequent Event [Member] | G.research LLC [Member] | Fund Advisor [Member]
Subsequent Event [Line Items]
Renewal of research service agreement | $			$ 1,500,000
Subsequent Event [Member] | Repurchase of Common Stock [Member]
Subsequent Event [Line Items]
Stock repurchased (in shares)									59,611
Average price per share of repurchased shares (in dollars per share) | $ / shares									$ 29.33
Shares available to be repurchsed under the plan (in shares)	614,683								614,683
Subsequent Event [Member] | Quarterly Dividend [Member]
Subsequent Event [Line Items]
Dividends declared date								Feb. 06, 2018
Dividends declared (in dollars per share) | $ / shares								$ 0.02
Dividends payable date								Mar. 27, 2018
Dividends record date								Mar. 13, 2018
Subsequent Event [Member] | AC 1.6% Note [Member]
Subsequent Event [Line Items]
Debt instrument, interest rate		1.60%
Repayment of debt | $		$ 15,000,000
Subsequent Event [Member] | Class A [Member]
Subsequent Event [Line Items]
Number of Shares to Be Received in Exchange for Each Share Tendered	1.35
Number of shares to be delivered in exchange offer	660,000
Subsequent Event [Member] | Class A [Member] | AC [Member]
Subsequent Event [Line Items]
Number of shares validly tendered and accepted	490,000
Common stock, shares outstanding (in shares)	3,700,000								3,700,000
Subsequent Event [Member] | Restricted Stock Awards [Member]
Subsequent Event [Line Items]
Number of shares with accelerated vesting (in shares)				19,400

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Schedule I - CONDENSED FINANCIAL STATEMENTS, CONDENSED STATEMENTS OF INCOME (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Revenues [Abstract]
Distribution fees and other income									$ 43,819	$ 44,541	$ 51,011
Total revenues									360,524	353,000	380,976
Expenses [Abstract]
Compensation									125,501	82,613	136,503
Stock based compensation									8,669	3,959	9,868
Management fee benefit									13,666	6,518	15,503
Other operating expenses									23,221	23,925	19,163
Total expenses									215,504	161,204	233,027
Operating income	$ 39,524	$ 23,393	$ 39,660	$ 42,443	$ 52,031	$ 48,076	$ 46,747	$ 44,942	145,020	191,796	147,949
Other income (expense) [Abstract]
Net gain from investments									3,115	1,594	4,953
Extinguishment of debt									(3,300)	0	(1,067)
Interest and dividend income									2,350	1,511	2,222
Interest expense									(10,160)	(12,674)	(8,636)
Shareholder-designated contributions									(4,137)	0	(6,396)
Total other income (expense), net									(12,132)	(9,569)	(8,924)
Income before income taxes									132,888	182,227	139,025
Income tax provision/(benefit)									55,079	65,106	51,726
Income from continuing operations									77,809	117,121	87,299
Loss from discontinued operations, net of taxes									0	0	(3,887)
Net income attributable to GAMCO Investors, Inc.'s shareholders	$ 13,495	$ 16,600	$ 22,894	$ 24,820	$ 32,692	$ 30,861	$ 27,543	$ 26,025	77,809	117,121	83,412
Parent Company [Member]
Revenues [Abstract]
Distribution fees and other income									25,468	29,045	26,860
Total revenues									25,468	29,045	26,860
Expenses [Abstract]
Compensation									1,469	1,929	3,550
Stock based compensation									8,670	3,959	9,868
Management fee benefit									(3,082)	(13,943)	(2,209)
Other operating expenses									7,329	9,102	9,243
Total expenses									14,386	1,047	20,452
Operating income									11,082	27,998	6,408
Other income (expense) [Abstract]
Equity earnings from subsidiaries									72,001	100,698	87,206
Net gain from investments									3,230	1,447	4,635
Extinguishment of debt									(3,300)	0	(1,067)
Interest and dividend income									1,703	1,447	2,246
Interest expense									(9,347)	(11,814)	(7,886)
Shareholder-designated contributions									(4,137)	0	(6,396)
Total other income (expense), net									60,150	91,778	78,738
Income before income taxes									71,232	119,776	85,146
Income tax provision/(benefit)									(6,577)	2,655	(2,204)
Income from continuing operations									77,809	117,121	87,350
Loss from discontinued operations, net of taxes									0	0	(3,938)
Net income attributable to GAMCO Investors, Inc.'s shareholders									$ 77,809	$ 117,121	$ 83,412

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Schedule I - CONDENSED FINANCIAL STATEMENTS, STATEMENTS OF FINANCIAL CONDITION (Details) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Dec. 31, 2017	Sep. 30, 2017	Dec. 31, 2017	Dec. 31, 2016	Aug. 15, 2016	Dec. 31, 2015	Nov. 30, 2015	Dec. 31, 2014	May 31, 2011
ASSETS [Abstract]
Cash and cash equivalents	$ 17,821		$ 17,821	$ 39,812
Investments in securities	36,790		36,790	37,285
Receivable from brokers	1,578		1,578	453
Investment in subsidiaries and receivable from affiliates	5,635		5,635	5,960
Capital lease	2,304		2,304	2,514
Income tax receivable	15,615		15,615	9,349
Other assets	6,066		6,066	6,355
Total assets	128,286		128,286	149,229
LIABILITIES AND EQUITY [Abstract]
Payable to brokers	14,926		14,926	66
Capital lease obligation	4,943		4,943	5,066
Compensation payable	82,907		82,907	42,384
Payable to affiliates	855		855	1,412
Accrued expenses and other liabilities	28,656		28,656	29,178
Sub-total	135,415		135,415	81,921
AC 4% PIK Note (due November 30, 2020)	50,000		50,000	100,000
4.5% Convertible note (net of issuance costs of $138, $165 and $174, respectively) (due August 15, 2021) (Note F)	0		0	109,835
AC 1.6% Note Payable (due February 28, 2018)	15,000		15,000	0
5.875% Senior notes (due June 1, 2021)	24,144		24,144	24,120
Total liabilities	224,559		224,559	315,876
Total equity (deficit)	(96,273)		(96,273)	(166,647)		$ (276,327)		$ 527,795
Total liabilities and equity	$ 128,286		$ 128,286	149,229
AC 4% PIK Note [Member]
LIABILITIES AND EQUITY [Abstract]
Debt instrument, interest rate	4.00%		4.00%				4.00%
Debt instrument, maturity date			Nov. 30, 2020
4.5% Convertible Notes [Member]
LIABILITIES AND EQUITY [Abstract]
Debt instrument, interest rate	4.50%		4.50%		4.50%
Debt instrument, maturity date	Aug. 15, 2021		Aug. 15, 2021
AC 1.6% Note [Member]
LIABILITIES AND EQUITY [Abstract]
AC 1.6% Note Payable (due February 28, 2018)	$ 15,000		$ 15,000
Debt instrument, interest rate	1.60%		1.60%
Debt instrument, maturity date		Feb. 28, 2018	Feb. 28, 2018
5.875% Senior Notes [Member]
LIABILITIES AND EQUITY [Abstract]
Debt instrument, interest rate	5.875%		5.875%						5.875%
Debt instrument, maturity date			Jun. 01, 2021
Parent Company [Member]
ASSETS [Abstract]
Cash and cash equivalents	$ 5,990		$ 5,990	7,209
Investments in securities	36,750		36,750	37,235
Receivable from brokers	1,246		1,246	55
Investment in subsidiaries and receivable from affiliates	108,669		108,669	57,274
Capital lease	2,304		2,304	2,514
Income tax receivable	77,832		77,832	0
Other assets	3,655		3,655	4,149
Total assets	236,446		236,446	108,436
LIABILITIES AND EQUITY [Abstract]
Payable to brokers	14,926		14,926	66
Capital lease obligation	4,943		4,943	5,066
Compensation payable	73,275		73,275	27,496
Securities sold, not yet purchased	0		0	0
Payable to affiliates	134,318		134,318	462
Accrued expenses and other liabilities	16,113		16,113	5,556
Sub-total	243,575		243,575	38,646
AC 4% PIK Note (due November 30, 2020)	50,000		50,000	100,000
4.5% Convertible note (net of issuance costs of $138, $165 and $174, respectively) (due August 15, 2021) (Note F)	0		0	109,835
AC 1.6% Note Payable (due February 28, 2018)	15,000		15,000	0
5.875% Senior notes (due June 1, 2021)	24,144		24,144	24,120
Total liabilities	332,719		332,719	272,601
Total equity (deficit)	(96,273)		(96,273)	(164,165)
Total liabilities and equity	$ 236,446		$ 236,446	$ 108,436
Parent Company [Member] | AC 4% PIK Note [Member]
LIABILITIES AND EQUITY [Abstract]
Debt instrument, interest rate	4.00%		4.00%
Debt instrument, maturity date			Nov. 30, 2020
Parent Company [Member] | 4.5% Convertible Notes [Member]
LIABILITIES AND EQUITY [Abstract]
Debt instrument, interest rate	4.50%		4.50%
Debt instrument, maturity date			Aug. 15, 2021
Parent Company [Member] | AC 1.6% Note [Member]
LIABILITIES AND EQUITY [Abstract]
Debt instrument, interest rate	1.60%		1.60%
Debt instrument, maturity date			Feb. 28, 2018
Parent Company [Member] | 5.875% Senior Notes [Member]
LIABILITIES AND EQUITY [Abstract]
Debt instrument, interest rate	5.875%		5.875%
Debt instrument, maturity date			Jun. 01, 2021

XML

Schedule I - CONDENSED FINANCIAL STATEMENTS, CONDENSED STATEMENTS OF CASH FLOWS (Details) - USD ($) $ in Thousands		3 Months Ended								12 Months Ended
	Nov. 18, 2015	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015	Aug. 15, 2016	Nov. 30, 2015	May 31, 2011
Operating activities [Abstract]
Net income attributable to GAMCO Investors, Inc.'s shareholders		$ 13,495	$ 16,600	$ 22,894	$ 24,820	$ 32,692	$ 30,861	$ 27,543	$ 26,025	$ 77,809	$ 117,121	$ 83,412
Loss from discontinued operations, net of taxes										0	0	3,887
Income from continuing operations										77,809	117,121	87,299
Adjustments to reconcile net income to net cash provided by operating activities [Abstract]
Depreciation and amortization										595	625	618
Stock based compensation expense										8,669	3,959	9,868
Tax benefit from exercise of stock options										0	0	102
Donated securities										1,124	499	1,945
Gains on sales of available for sale securities										(62)	(4)	(6)
Accretion of zero coupon debentures										0	0	628
Loss on extinguishment of debt										3,300	0	1,067
(Increase) decrease in assets [Abstract]
Investments in trading securities										8	186	(240)
Receivable from affiliates										329	(927)	21,393
Receivable from brokers										(1,125)	638	592
Income tax receivable and deferred tax assets										(6,267)	(2,562)	(4,354)
Other assets										(73)	(69)	529
Increase (decrease) in liabilities [Abstract]
Payable to affiliates										(557)	(6,275)	7,333
Payable to brokers										(990)	54	1
Income taxes payable and deferred tax liabilities										4,473	2,768	(10,401)
Compensation payable										40,517	17,969	(6,369)
Accrued expenses and other liabilities										(714)	144	987
Total adjustments										48,882	(1,384)	29,831
Net cash provided by operating activities from continuing operations										126,691	115,737	117,130
Investing activities [Abstract]
Purchases of available for sale securities										(3,932)	(1,843)	(6,279)
Proceeds from sales of available for sale securities										4,169	408	81
Net cash provided by (used in) investing activities from continuing operations										237	(1,435)	(6,198)
Financing activities [Abstract]
Repurchase of Zero coupon subordinated debentures due December 31, 2015										0	0	(13,101)
Repurchase of 5.875% Senior note due June 1, 2021										0	0	(76,533)
Repayment of AC 4% PIK Note due November 30, 2020										(50,000)	(150,000)	0
Issuance of 4.5% Convertible note due August 15, 2021										0	109,826	0
Repayment of 4.5% Convertible note due August 15, 2021										(113,300)	0	0
Repayment of GGCP loan due December 28, 2016										0	(35,000)	0
Proceeds from GGCP loan due December 28, 2016										0	0	35,000
Proceeds from 1.6% AC Note de February 28, 2018										15,000	0	0
Margin loan borrowings										20,850	0	0
Margin loan repayments										(5,000)	0	0
Amortization of debt issuance costs										187	33	0
Proceeds from exercise of stock options										0	0	1,167
Dividends paid										(2,315)	(2,333)	(7,468)
Purchase of treasury stock										(14,324)	(10,773)	(27,249)
Net cash used in financing activities from continuing operations										(148,902)	(88,247)	(109,923)
Cash flows of discontinued operations [Abstract]
Net cash provided by operating activities										0	0	54,335
Net cash used in investing activities										0	0	(41,463)
Net cash used in financing activities										0	0	(12,871)
Net cash provided by discontinued operations										0	0	1
Net increase (decrease) in cash and cash equivalents										(21,991)	26,093	1,025
Cash and cash equivalents at beginning of period					39,812				13,719	39,812	13,719	12,694
Cash and cash equivalents at end of period		$ 17,821				39,812				17,821	39,812	13,719
Supplemental disclosures of cash flow information [Abstract]
Cash paid for interest										12,180	11,274	7,011
Cash paid for taxes										$ 62,259	75,238	59,657
5.875% Senior Notes [Member]
Adjustments to reconcile net income to net cash provided by operating activities [Abstract]
Loss on extinguishment of debt	$ 800
Supplemental disclosures of cash flow information [Abstract]
Debt instrument, interest rate		5.875%								5.875%					5.875%
Maturity date										Jun. 01, 2021
AC 4% PIK Note [Member]
Financing activities [Abstract]
Repayment of AC 4% PIK Note due November 30, 2020										$ (50,000)
Supplemental disclosures of cash flow information [Abstract]
Debt instrument, interest rate		4.00%								4.00%				4.00%
Maturity date										Nov. 30, 2020
4.5% Convertible Notes [Member]
Adjustments to reconcile net income to net cash provided by operating activities [Abstract]
Loss on extinguishment of debt		$ 3,300								$ 3,300
Supplemental disclosures of cash flow information [Abstract]
Debt instrument, interest rate		4.50%								4.50%			4.50%
Maturity date		Aug. 15, 2021								Aug. 15, 2021
Loan from GGCP [Member]
Supplemental disclosures of cash flow information [Abstract]
Maturity date										Dec. 28, 2016
AC 1.6% Note [Member]
Supplemental disclosures of cash flow information [Abstract]
Debt instrument, interest rate		1.60%								1.60%
Maturity date			Feb. 28, 2018							Feb. 28, 2018
Zero Coupon Subordinated Debentures [Member]
Supplemental disclosures of cash flow information [Abstract]
Debt instrument, interest rate		0.00%								0.00%
Maturity date										Dec. 31, 2015
Parent Company [Member]
Operating activities [Abstract]
Net income attributable to GAMCO Investors, Inc.'s shareholders										$ 77,809	117,121	83,412
Loss from discontinued operations, net of taxes										0	0	3,938
Income from continuing operations										77,809	117,121	87,350
Adjustments to reconcile net income to net cash provided by operating activities [Abstract]
Depreciation and amortization										570	607	595
Stock based compensation expense										8,670	3,959	9,868
Tax benefit from exercise of stock options										0	0	102
Donated securities										1,124	499	1,945
Gains on sales of available for sale securities										(62)	(4)	(6)
Accretion of zero coupon debentures										0	0	628
Loss on extinguishment of debt										3,300	0	1,067
(Increase) decrease in assets [Abstract]
Investments in trading securities										(1)	(5)	0
Receivable from affiliates										(53,797)	(25,510)	(31,205)
Receivable from brokers										(1,192)	580	976
Income tax receivable and deferred tax assets										(77,832)	11,991	29,164
Other assets										136	(330)	(478)
Increase (decrease) in liabilities [Abstract]
Payable to affiliates										133,856	(30,567)	31,017
Payable to brokers										(990)	54	(539)
Income taxes payable and deferred tax liabilities										12,281	(1,137)	3,920
Compensation payable										45,779	16,351	(3,319)
Accrued expenses and other liabilities										(2,205)	(700)	(424)
Total adjustments										69,637	(24,212)	43,311
Net cash provided by operating activities from continuing operations										147,446	92,909	130,661
Investing activities [Abstract]
Purchases of available for sale securities										(3,932)	(1,843)	(6,279)
Proceeds from sales of available for sale securities										4,169	408	81
Net cash provided by (used in) investing activities from continuing operations										237	(1,435)	(6,198)
Financing activities [Abstract]
Repurchase of Zero coupon subordinated debentures due December 31, 2015										0	0	(13,101)
Repurchase of 5.875% Senior note due June 1, 2021										0	0	(76,533)
Repayment of AC 4% PIK Note due November 30, 2020										(50,000)	(150,000)	0
Issuance of 4.5% Convertible note due August 15, 2021										0	109,826	0
Repayment of 4.5% Convertible note due August 15, 2021										(113,300)	0	0
Repayment of GGCP loan due December 28, 2016										0	(35,000)	0
Proceeds from GGCP loan due December 28, 2016										0	0	35,000
Proceeds from 1.6% AC Note de February 28, 2018										15,000	0	0
Margin loan borrowings										20,850	0	0
Margin loan repayments										(5,000)	0	0
Amortization of debt issuance costs										187	33	0
Dividends paid by subsidiaries to GBL										0	0	164,000
Net transfer to/(from) AC										0	0	(196,297)
Proceeds from exercise of stock options										0	0	1,167
Dividends paid										(2,315)	(2,333)	(7,468)
Purchase of treasury stock										(14,324)	(10,773)	(27,249)
Net cash used in financing activities from continuing operations										(148,902)	(88,247)	(120,481)
Cash flows of discontinued operations [Abstract]
Net cash provided by operating activities										0	0	82,759
Net cash used in investing activities										0	0	(35,216)
Net cash used in financing activities										0	0	(47,543)
Net cash provided by discontinued operations										0	0	0
Net increase (decrease) in cash and cash equivalents										(1,219)	3,227	3,982
Cash and cash equivalents at beginning of period					$ 7,209				$ 3,982	7,209	3,982	0
Cash and cash equivalents at end of period		$ 5,990				$ 7,209				5,990	7,209	3,982
Supplemental disclosures of cash flow information [Abstract]
Cash paid for interest										10,891	10,425	6,282
Cash paid for taxes										$ 61,704	$ 74,457	$ 58,353
Parent Company [Member] | 5.875% Senior Notes [Member]
Supplemental disclosures of cash flow information [Abstract]
Debt instrument, interest rate		5.875%								5.875%
Maturity date										Jun. 01, 2021
Parent Company [Member] | AC 4% PIK Note [Member]
Supplemental disclosures of cash flow information [Abstract]
Debt instrument, interest rate		4.00%								4.00%
Maturity date										Nov. 30, 2020
Parent Company [Member] | 4.5% Convertible Notes [Member]
Supplemental disclosures of cash flow information [Abstract]
Debt instrument, interest rate		4.50%								4.50%
Maturity date										Aug. 15, 2021
Parent Company [Member] | Loan from GGCP [Member]
Supplemental disclosures of cash flow information [Abstract]
Maturity date										Dec. 28, 2016
Parent Company [Member] | AC 1.6% Note [Member]
Supplemental disclosures of cash flow information [Abstract]
Debt instrument, interest rate		1.60%								1.60%
Maturity date										Feb. 28, 2018
Parent Company [Member] | Zero Coupon Subordinated Debentures [Member]
Supplemental disclosures of cash flow information [Abstract]
Debt instrument, interest rate		0.00%								0.00%
Maturity date										Dec. 31, 2015