The amortized cost and estimated fair value of the Company's Marketable Securities as of June 30, 2019 and December 31, 2018 were as follows:



	June 30, 2019								December 31, 2018
	Cost		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value		Cost		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value
Securities Investments - Debt Securities	$	1,933	$	35	$	—	$	1,968	$	1,622	$	10	$	—	$	1,632
Securities Investments - Equity Securities	666		—		218		448		666		—		410		256
Debt Securities Carried by EGL	148,179		1,538		—		149,717		147,009		954		—		147,963
Investment Funds	61,784		3,132		—		64,916		56,296		402		1,922		54,776
Total	$	212,562	$	4,705	$	218	$	217,049	$	205,593	$	1,366	$	2,332	$	204,627

Scheduled maturities of the Company's available-for-sale debt securities within the Securities Investments portfolio as of June 30, 2019 and December 31, 2018 were as follows:



	June 30, 2019				December 31, 2018
	Amortized Cost		Fair Value		Amortized Cost		Fair Value
Due within one year	$	618	$	620	$	391	$	391
Due after one year through five years	1,315		1,348		1,231		1,241
Total	$	1,933	$	1,968	$	1,622	$	1,632

Since the Company has the ability and intent to hold available-for-sale securities until a recovery of fair value is equal to an amount approximating its amortized cost, which may be at maturity, and has not incurred credit losses on its securities, it does not consider such unrealized loss positions to be other-than-temporarily impaired at June 30, 2019.

Securities Investments - Debt Securities are classified as available-for-sale securities within Marketable Securities on the Unaudited Condensed Consolidated Statements of Financial Condition. These securities are stated at fair value with unrealized gains and losses included in Accumulated Other Comprehensive Income (Loss) and realized gains and losses included in earnings. The Company had net realized losses of ($3) and ($6) for the three and six months ended June 30, 2019, respectively, and ($22) and ($35) for the three and six months ended June 30, 2018, respectively.

Securities Investments - Equity Securities are carried at fair value with changes in fair value recorded in Other Revenue, Including Interest and Investments, on the Unaudited Condensed Consolidated Statements of Operations. The Company had net realized and unrealized gains (losses) of $41 and $193 for the three and six months ended June 30, 2019, respectively, and ($54) and ($65) for the three and six months ended June 30, 2018, respectively.

EGL invests in a fixed income portfolio consisting primarily of U.S. Treasury bills and municipal bonds. These securities are carried at fair value, with changes in fair value recorded in Other Revenue, Including Interest and Investments, on the Unaudited Condensed Consolidated Statements of Operations, as required for broker-dealers in securities. The Company had net realized and unrealized gains (losses) of $465 and $514 for the three and six months ended June 30, 2019, respectively, and ($136) and ($36) for the three and six months ended June 30, 2018, respectively.

The Company invests in a portfolio of exchange-traded funds and mutual funds as an economic hedge against the Company's deferred cash compensation program. See Note 16 for further information. These securities are carried at fair value, with changes in fair value recorded in Other Revenue, Including Interest and Investments, on the Unaudited Condensed Consolidated Statements of Operations. The Company had net realized and unrealized gains of $2,112 and $8,699 for the three and six months ended June 30, 2019, respectively, and $1,304 and $1,116 for the three and six months ended June 30, 2018, respectively.

In April 2019, the Company entered into three month futures contracts on a stock index fund with a notional amount of $14,815 for $680, as an economic hedge against the Company's deferred cash compensation program. These contracts settled in June 2019. In accordance with ASC 815, "Derivatives and Hedging," ("ASC 815") these contracts are carried at fair value, with changes in fair value recorded in Other Revenue, Including Interest and Investments, on the Unaudited Condensed Consolidated Statements of Operations. The Company had net realized gains of $59 for the three and six months ended June 30, 2019.

At December 31, 2018, the Company held certificates of deposit of $100,000 with certain banks with original maturities of six months or less when purchased. These certificates of deposit matured during the first quarter of 2019.