UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 13F FORM 13F COVER PAGE Report for the Calendar Year or Quarter Ended: June 30, 2007 Check here if Amendment [ ]; Amendment Number: This Amendment (Check only one.): [ ] is a restatement. [ ] adds new holdings entries. Institutional Investment Manager Filing this Report: Name:GENERAL AMERICAN INVESTORS COMPANY, INC. Address: 450 Lexington Ave, Suite 3300 New York, NY 10017 13F File Number: 28-461 The institutional investment manager filing this report and the person by whom it is signed hereby represent that the person signing the report is authorized to submit it, that all information contained herein is true, correct and complete, and that it is understood that all required items, statements, schedules, lists, and tables, are considered integral parts of this form. Person Signing this Report on Behalf of Reporting Manager: Name: Eugene S. Stark Title: Vice-President, Administration Phone: 212-916-8447 Signature, Place, and Date of Signing: Eugene S. Stark New York, NY August 06, 2007 Report Type (Check only one.): [X] 13F HOLDINGS REPORT. [ ] 13F NOTICE. [ ] 13F COMBINATION REPORT. List of Other Managers Reporting for this Manager: Form 13F File Number Name I AM SIGNING THIS REPORT AS REQUIRED BY THE SECURITIES EXCHANGE ACT OF 1934. FORM 13F SUMMARY PAGE Report Summary: Number of Other Included Managers: 0 Form 13F Information Table Entry Total: 60 Form 13F Information Table Value Total: $1390934616 List of Other Included Managers: No. 13F File Number Name COLUMN 1 COLUMN 2 COLUMN 3 COLUMN 4 COLUMN 5 COLUMN 6 COLUMN 7 COLUMN 8 --------------- ---------- ---------- --------- ---------- --------- ------- ----------- VALUE SHARES/ SH/ PUT/ INVSTMT OTHER -----VOTING AUTHORITY----- NAME OF ISSUER -TITLE OF CLASS- --CUSIP-- x$1000 PRN AMT PRN CALL DSCRETN -MANAGERS- SOLE SHARED NONE ABB Ltd. ADR COMMON 000375204 25990 1150000 SH SOLE 1150000 0 0 Arch Capital Group Ltd. COMMON G0450A105 24301 335000 SH SOLE 335000 0 0 Adams Express Company COMMON 006212104 1650 110806 SH SOLE 110806 0 0 American International Group,Inc COMMON 026874107 23460 335000 SH SOLE 335000 0 0 Alexander & Baldwin, Inc. COMMON 014482103 11212 211100 SH SOLE 211100 0 0 Alkermes, Inc. COMMON 01642T108 1460 100000 SH SOLE 100000 0 0 The Allstate Corporation COMMON 020002101 16915 275000 SH SOLE 275000 0 0 Ameriprise Financial, Inc. COMMON 03076C106 3814 60000 SH SOLE 60000 0 0 Apache Corporation COMMON 037411105 48954 600000 SH SOLE 600000 0 0 Activision, Inc. COMMON 004930202 13069 700000 SH SOLE 700000 0 0 Avaya Inc. COMMON 053499109 5827 346000 SH SOLE 346000 0 0 AXIS Capital Holdings Limited COMMON G0692U109 14837 365000 SH SOLE 365000 0 0 Bank of America Corporation COMMON 060505104 17112 350000 SH SOLE 350000 0 0 BearingPoint, Inc. COMMON 074002106 13524 1850000 SH SOLE 1850000 0 0 Biogen Idec Inc. COMMON 09062X103 9095 170000 SH SOLE 170000 0 0 Berkshire Hathaway Inc. Class A COMMON 084670108 30106 275 SH SOLE 275 0 0 Central Securities Corporation COMMON 155123102 820 28226 SH SOLE 28226 0 0 Costco Wholesale Corporation COMMON 22160K105 36868 630000 SH SOLE 630000 0 0 Carpenter Technology Corporation COMMON 144285103 19038 146100 SH SOLE 146100 0 0 Cisco Systems, Inc. COMMON 17275R102 25065 900000 SH SOLE 900000 0 0 CEMEX, S.A. de C.V. ADR COMMON 151290889 84150 2280483 SH SOLE 2280483 0 0 Cytokinetics, Incorporated COMMON 23282W100 3418 604900 SH SOLE 604900 0 0 Dell Inc. COMMON 24702R101 38828 1360000 SH SOLE 1360000 0 0 Diageo plc ADR COMMON 25243Q205 29159 350000 SH SOLE 350000 0 0 Dollar General Corporation COMMON 256669102 12955 591000 SH SOLE 591000 0 0 Dow Jones & Company, Inc. COMMON 260561105 30161 525000 SH SOLE 525000 0 0 Genentech, Inc. COMMON 368710406 15132 200000 SH SOLE 200000 0 0 Halliburton Company COMMON 406216101 29325 850000 SH SOLE 850000 0 0 The Home Depot, Inc. COMMON 437076102 54224 1378000 SH SOLE 1378000 0 0 Hewitt Associates, Inc.Class A COMMON 42822Q100 16000 500000 SH SOLE 500000 0 0 Intermec, Inc. COMMON 458786100 3290 130000 SH SOLE 130000 0 0 Lamar Advertising Company COMMON 512815101 20341 324100 SH SOLE 324100 0 0 Medtronic, Inc. COMMON 585055106 8816 170000 SH SOLE 170000 0 0 MetLife, Inc. COMMON 59156R108 17087 265000 SH SOLE 265000 0 0 MFA Mortgage Investments, Inc. COMMON 55272X102 6649 913300 SH SOLE 913300 0 0 Microsoft Corporation COMMON 594918104 12377 420000 SH SOLE 420000 0 0 M&T Bank Corporation COMMON 55261F104 33674 315000 SH SOLE 315000 0 0 Nelnet, Inc. COMMON 64031N108 14664 600000 SH SOLE 600000 0 0 NetEase.com, Inc. COMMON 64110W102 4170 245000 SH SOLE 245000 0 0 MetroPCS Communications Inc. COMMON 591708102 1156 35000 SH SOLE 35000 0 0 PepsiCo, Inc. COMMON 713448108 15240 235000 SH SOLE 235000 0 0 PartnerRe Ltd. COMMON G6852T105 24025 310000 SH SOLE 310000 0 0 Patterson-UTI Energy, Inc. COMMON 703481101 26210 1000000 SH SOLE 1000000 0 0 QUALCOMM Incorporated COMMON 747525103 34712 800000 SH SOLE 800000 0 0 Everest Re Group, Ltd. COMMON G3223R108 42370 390000 SH SOLE 390000 0 0 Republic Services, Inc. COMMON 760759100 27009 881500 SH SOLE 881500 0 0 Royce Value Trust COMMON 780910105 2448 114272 SH SOLE 114272 0 0 Sprint Nextel Corporation COMMON 852061100 25370 1225000 SH SOLE 1225000 0 0 Target Corporation COMMON 87612E106 30719 483000 SH SOLE 483000 0 0 THQ Inc. COMMON 872443403 9614 315000 SH SOLE 315000 0 0 The TJX Companies, Inc. COMMON 872540109 57750 2100000 SH SOLE 2100000 0 0 Talisman Energy Inc. COMMON 87425E103 57990 3000000 SH SOLE 3000000 0 0 Transatlantic Holdings, Inc. COMMON 893521104 12448 175000 SH SOLE 175000 0 0 Textron Inc. COMMON 883203101 28067 254900 SH SOLE 254900 0 0 United Technologies Corporation COMMON 913017109 23052 325000 SH SOLE 325000 0 0 Wachovia Corporation COMMON 929903102 32031 625000 SH SOLE 625000 0 0 Weatherford International Ltd. COMMON G95089101 67393 1220000 SH SOLE 1220000 0 0 Waste Management, Inc. COMMON 94106L109 26554 680000 SH SOLE 680000 0 0 Wal-Mart Stores, Inc. COMMON 931142103 27663 575000 SH SOLE 575000 0 0 Xerox Corporation COMMON 984121103 41580 2250000 SH SOLE 2250000 0 0