N-Q 1 n-q.txt OMB APPROVAL OMB Number: 3235-0578 Expires: April 30, 2010 Estimated average burden hours per response..... 10.5 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM N-Q CERTIFIED SHAREHOLDER REPORT OF REGISTERED MANAGEMENT INVESTMENT COMPANIES Investment Company Act file number 811-06106 Pioneer Mid Cap Value Fund (Exact name of registrant as specified in charter) 60 State Street, Boston, MA 02109 (Address of principal executive offices) (ZIP code) Dorothy E. Bourassa, Pioneer Investment Management, Inc., 60 State Street, Boston, MA 02109 (Name and address of agent for service) Registrant's telephone number, including area code: (617) 742-7825 Date of fiscal year end: October 31 Date of reporting period: July 31, 2007 Form N-Q is to be used by management investment companies, other than small business investment companies registered on Form N-5 (239.24 and 274.5 of this chapter), to file reports with the Commission, not later than 60 days after close of the first and third fiscal quarters, pursuant to Rule 30b1-5under the Investment Company Act of 1940 (17 CFR 270.30b-5). The Commission may use the information provided on Form N-Q in its regulatory, disclosure review, inspection, and policymaking roles. A registrant is required to disclose the information specified by Form N-Q, and the Commission will make this information public. A registrant is not required to respond to the collection of information contained in Form N-Q unless the Form displays a currently valid Office of Management and Budget ("OMB") control number. Please direct comments concerning the accuracy of the information collection burden estimate and any suggestions for reducing the burden to Secretary, Securities and Exchange Commission, 450 Fifth Street, NW, Washington, DC 20549-0609. The OMB has reviewed this collection of information under the clearance requirements of 44 U.S.C. ss. 3507. ITEM 1. Schedule of Investments. Pioneer Mid Cap Value Fund Schedule of Investments 7/31/07 (unaudited) Shares Value COMMON STOCKS - 98.7 % Energy - 5.1 % Integrated Oil & Gas - 1.2 % 550,000 Hess Corp. $33,660,000 Oil & Gas Equipment & Services - 1.1 % 550,000 Weatherford International, Inc. * $30,431,500 Oil & Gas Exploration & Production - 1.8 % 556,400 Plains Exploration & Product * (a) $24,042,044 625,000 Southwestern Energy Co. * 25,393,750 $49,435,794 Oil & Gas Refining & Marketing - 1.0 % 550,000 Tesoro Petroleum Corp. $27,390,000 Total Energy $140,917,294 Materials - 7.6 % Diversified Metals & Mining - 1.2 % 350,000 Freeport-McMoRan Copper & Gold, Inc. (Class B ) $32,893,000 Gold - 1.1 % 700,000 Newmont Mining Corp. $29,225,000 Industrial Gases - 2.1 % 675,000 Air Products & Chemicals, Inc. $58,299,750 Metal & Glass Containers - 1.8 % 950,000 Ball Corp. $48,706,500 Specialty Chemicals - 1.4 % 800,000 International Flavor & Fragrances, Inc. $40,088,000 Total Materials $209,212,250 Capital Goods - 7.0 % Aerospace & Defense - 1.5 % 425,000 L-3 Communications Holdings, Inc. $41,463,000 Construction & Engineering - 0.9 % 750,000 KBR, Inc. * $24,067,500 Electrical Component & Equipment - 1.9 % 850,000 Thomas & Betts Corp. * $52,530,000 Industrial Machinery - 1.0 % 588,925 Crane Co. $27,008,101 Trading Companies & Distributors - 1.7 % 550,000 W.W. Grainger, Inc. $48,048,000 Total Capital Goods $193,116,601 Commercial Services & Supplies - 4.3 % Diversified Commercial Services - 1.4 % 1,000,000 Equifax, Inc. $40,460,000 Environmental & Facilities Services - 2.9 % 1,175,000 Republic Services, Inc. $37,541,250 1,100,000 Waste Management, Inc. 41,833,000 $79,374,250 Total Commercial Services & Supplies $119,834,250 Transportation - 0.9 % Railroads - 0.9 % 550,000 CSX Corp. $26,075,500 Total Transportation $26,075,500 Automobiles & Components - 1.3 % Auto Parts & Equipment - 1.3 % 400,000 BorgWarner, Inc. $34,580,000 Total Automobiles & Components $34,580,000 Consumer Durables & Apparel - 2.2 % Consumer Electronics - 0.9 % 200,000 Harman Interantional Industries, Inc. $23,200,000 Housewares & Specialties - 1.3 % 450,000 Fortune Brands, Inc. $36,585,000 Total Consumer Durables & Apparel $59,785,000 Consumer Services - 4.5 % Casinos & Gaming - 1.7 % 550,000 Harrah's Entertainment, Inc. $46,579,500 Education Services - 1.7 % 775,000 Apollo Group, Inc.* $45,810,250 Hotels, Resorts & Cruise Lines - 1.1 % 700,000 Carnival Corp. $31,017,000 Total Consumer Services $123,406,750 Media - 3.3 % Advertising - 1.9 % 4,850,000 The Interpublic Group of Companies, Inc. * $50,876,500 Broadcasting & Cable TV - 0.3 % 380,920 Entercom Communications Corp. (a) $ 8,601,174 Movies & Entertainment - 1.1 % 800,000 Viacom, Inc. (Class B) * $30,640,000 Total Media $90,117,674 Retailing - 2.6 % Apparel Retail - 0.6 % 1,000,000 Gap, Inc. $17,200,000 Department Stores - 2.0 % 300,000 J.C. Penney Co., Inc. $20,412,000 250,000 Sears Holdings Corp. * (a) 34,197,500 $54,609,500 Total Retailing $71,809,500 Food & Drug Retailing - 4.8 % Drug Retail - 1.5 % 950,000 Walgreen Co. $41,971,000 Food Retail - 3.3 % 1,900,000 Kroger Co. $49,324,000 850,000 Safeway, Inc. 27,089,500 523,214 Winn-Dixie Stores, Inc. * 13,975,046 $90,388,546 Total Food & Drug Retailing $132,359,546 Food, Beverage & Tobacco - 4.3 % Brewers - 1.1 % 325,000 Molson Coors Brewing Co. (Class B) $28,905,500 Packaged Foods & Meats - 1.3 % 625,000 William Wrigley Jr. Co. $36,050,000 Tobacco - 1.9 % 700,000 Loews Corp. Carolina Group $53,053,000 Total Food, Beverage & Tobacco $118,008,500 Health Care Equipment & Services - 8.1 % Health Care Equipment - 0.5 % 1,100,000 Boston Scientific Corp. * $14,465,000 Health Care Services - 3.6 % 700,000 Laboratory Corp. of America Holdings * $51,695,000 1,400,000 Omnicare, Inc. (a) 46,424,000 $98,119,000 Health Care Supplies - 1.8 % 1,000,000 Cooper Co., Inc. (a) $50,130,000 Managed Health Care - 2.2 % 950,000 Aetna, Inc. $45,666,500 275,000 CIGNA Corp. 14,201,000 $59,867,500 Total Health Care Equipment & Services $222,581,500 Pharmaceuticals & Biotechnology - 1.3 % Life Sciences Tools & Services - 0.6 % 550,000 PerkinElmer, Inc. $15,306,500 Pharmaceuticals - 0.7 % 400,000 Barr Laboratorie, Inc. * $20,488,000 Total Pharmaceuticals & Biotechnology $35,794,500 Banks - 4.3 % Regional Banks - 3.4 % 500,000 Key Corp. $17,345,000 300,000 Marshall & Ilsley Corp. 12,363,000 500,000 PNC Bank Corp. 33,325,000 400,000 Zions Bancorporation 29,820,000 $92,853,000 Thrifts & Mortgage Finance - 0.9 % 800,000 Hudson City Bancorp, Inc. $ 9,776,000 450,000 The PMI Group, Inc. 15,331,500 $25,107,500 Total Banks $117,960,500 Diversified Financials - 4.5 % Asset Management & Custody Banks - 1.7 % 525,000 Legg Mason, Inc. (a) $47,250,000 Consumer Finance - 1.3 % 1,133,580 The First Marblehead Corp. (a) $37,362,797 Investment Banking & Brokerage - 1.5 % 2,200,000 E*TRADE Financial Corp. * $40,744,000 Total Diversified Financials $125,356,797 Insurance - 8.0 % Insurance Brokers - 1.2 % 850,000 Aon Corp. $34,034,000 Life & Health Insurance - 2.8 % 3,200,000 Unum Group $77,760,000 Property & Casualty Insurance - 3.0 % 675,000 Ambac Financial Group, Inc. $45,326,250 1,800,000 Progressive Corp. 37,764,000 $83,090,250 Reinsurance - 1.0 % 475,000 Renaissancere Holdings, Ltd. $27,312,500 Total Insurance $222,196,750 Real Estate - 2.4 % Industrial Real Estate Investment Trust - 0.8 % 400,000 ProLogis Trust $22,760,000 Mortgage Real Estate Investment Trust - 1.0 % 2,000,000 Annaly Capital Management, Inc. $28,900,000 Specialized Real Estate Investment Trust - 0.6 % 725,000 Host Hotels & Resorts, Inc. (a) $15,312,000 Total Real Estate $66,972,000 Software & Services - 1.6 % Data Processing & Outsourced Services - 1.1 % 525,000 Computer Sciences Corp. * $29,232,000 Systems Software - 0.5 % 800,000 Symantec Corp. * $15,360,000 Total Software & Services $44,592,000 Technology Hardware & Equipment - 6.8 % Communications Equipment - 2.0 % 900,000 Andrew Corp. * $12,654,000 1,000,000 Juniper Networks, Inc. * 29,960,000 1,121,532 Tellabs, Inc. * 12,729,388 $55,343,388 Computer Hardware - 2.7 % 1,400,000 NCR Corp. * $73,108,000 Computer Storage & Peripherals - 1.0 % 900,000 Imation Corp. $28,152,000 Office Electronics - 1.1 % 1,800,000 Xerox Corp. * $31,428,000 Total Technology Hardware & Equipment $188,031,388 Semiconductors - 1.3 % Semiconductors - 1.3 % 1,350,000 National Semiconductor Corp. $35,086,500 Total Semiconductors $35,086,500 Telecommunication Services - 1.0 % Wireless Telecommunication Services - 1.0 % 1,400,000 Sprint Nextel Corp. $28,742,000 Total Telecommunication Services $28,742,000 Utilities - 11.6 % Electric Utilities - 5.7 % 850,000 American Electric Power Co., Inc. $36,966,500 824,400 Edison International 43,602,516 500,000 Firstenergy Corp. 30,375,000 1,000,000 PPL Corp. 47,140,000 $158,084,016 Gas Utilities - 1.8 % 950,000 Questar Corp. $48,915,500 Independent Power Producer & Energy Traders - 1.7 % 1,200,000 NRG Energy, Inc. * $46,260,000 Multi-Utilities - 2.4 % 875,000 NSTAR $27,518,750 459,600 Public Service Enterprise Group, Inc. 39,594,540 $67,113,290 Total Utilities $320,372,806 TOTAL COMMON STOCKS (Cost $2,344,671,982) $2,726,909,606 Principal Amount ($) TEMPORARY CASH INVESTMENT - 6.0 % Repurchase Agreement - 0.6 % 17,600,000 UBS Warburg, Inc., 5.07%, dated 7/31/07, repurchase price of $17,600,000 plus accrued interest on 8/1/07 collateralized by $17,819,000 U.S. Treasury Note, 4.875%, 6/30/$17,600,000 Shares Security Lending Collateral - 5.4 % 148,421,970Securities Lending Investment Fund, 5.26% $148,421,970 TOTAL TEMPORARY CASH INVESTMENT (Cost $166,021,970) $166,021,970 TOTAL INVESTMENT IN SECURITIES - 104.7% (Cost $2,510,693,952)(b) $2,892,931,576 OTHER ASSETS AND LIABILITIES - (4.7)% $(128,875,560) TOTAL NET ASSETS - 100.0% $2,764,056,016 * Non-income producing security. (a) At July 31, 2007, the following securities were out on loan: Shares Security Value 297,000 Cooper Co., Inc. $14,888,610 304,600 Entercom Communications Corp. 6,877,868 1,058,827 The First Marblehead Corp. 34,898,938 717,750 Host Hotels & Resorts, Inc. 15,158,880 427,513 Legg Mason, Inc. 38,476,170 588,687 Omnicare, Inc. 19,520,861 330,767 Plains Exploration & Product * 14,292,442 68,870 Sears Holdings Corp. * 9,420,727 Total $153,534,496 (b) At July 31, 2007, the net unrealized gain on investments based on cost for federal income tax purposes of $2,515,819,490 was as follows: Aggregate gross unrealized gain for all investments in which there is an excess of value over tax cost $440,060,010 Aggregate gross unrealized loss for all investments in which there is an excess of tax cost over value (62,947,924) Net unrealized gain $377,112,086 ITEM 2. CONTROLS AND PROCEDURES. (a) Disclose the conclusions of the registrant's principal executive officer or officers and principal financial officer or officers, or persons performing similar functions, about the effectiveness of the registrant's disclosure controls and procedures (as defined in Rule 30a-3(c) under the Act (17 CFR 270.30a-3(c))) as of a date within 90 days of the filing date of the report that includes the disclosure required by this paragraph, based on their evaluation of these controls and procedures required by Rule 30a-3(b) under the Act (17 CFR270.30a-3(b))) and Rule 13a-15(b) or 15d-15(b) under the Exchange Act (17 CFR240.13a-15(b) or 240.15d-15(b)). The registrant's principal executive officer and principal financial officer have concluded that the registrant's disclosure controls and procedures are effective based on their evaluation of these controls and procedures as of a date within 90 days of the filing date of this report. (b) Disclose any change in the registrant's internal controls over financial reporting (as defined in Rule 30a-3(d) under the Act (17 CFR270.30a-3(d)) that occurred during the registrant's last fiscal quarter that has materially affected, or is reasonably likely to materially affect, the registrant's internal control over financial reporting. There were no significant changes in the registrant's internal control over financial reporting that occurred during the second fiscal quarter of the period covered by this report that have materially affected, or are reasonably likely to materially affect, the registrant's internal control over financial reporting. ITEM 3. EXHIBITS. (a) A separate certification for each principal executive officer and principal financial officer of the registrant as required by Rule 30a-2 under the Act (17 CFR 270.30a-2). Filed herewith. SIGNATURES [See General Instruction F] Pursuant to the requirements of the Securities Exchange Act of 1934 and the Investment Company Act of 1940, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized. (Registrant) Pioneer Mid Cap Value Fund By (Signature and Title)* /s/ John F. Cogan, Jr. John F. Cogan, Jr, President Date September 28, 2007 Pursuant to the requirements of the Securities Exchange Act of 1934 and the Investment Company Act of 1940, this report has been signed below by the following persons on behalf of the registrant and in the capacities and on the dates indicated. By (Signature and Title)* /s/ John F. Cogan, Jr. John F. Cogan, Jr., President Date September 28, 2007 By (Signature and Title)* /s/ Vincent Nave Vincent Nave, Treasurer Date September 28, 2007 * Print the name and title of each signing officer under his or her signature.