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, 2008 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: 100 Park Avenue 35th Floor 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 04, 2008 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: $1218983742 List of Other Included Managers: No. 13F File Number Name VALUE SHARES/ SH/ PUT/ INVSTMT -----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 28320 1000000 SH SOLE 1000000 0 0 Arch Capital Group Ltd. COMMON G0450A105 21554 325000 SH SOLE 325000 0 0 Adams Express Company COMMON 006212104 1396 117798 SH SOLE 117798 0 0 American International Group,Inc COMMON 026874107 8600 325000 SH SOLE 325000 0 0 Alexander & Baldwin, Inc. COMMON 014482103 10754 236100 SH SOLE 236100 0 0 The Allstate Corporation COMMON 020002101 14817 325000 SH SOLE 325000 0 0 Apache Corporation COMMON 037411105 76422 549800 SH SOLE 549800 0 0 Activision Blizzard, Inc. COMMON 004930202 23849 700000 SH SOLE 700000 0 0 American Express Company COMMON 025816109 16952 450000 SH SOLE 450000 0 0 AXIS Capital Holdings Limited COMMON G0692U109 5515 185000 SH SOLE 185000 0 0 The Boeing Company COMMON 097023105 19716 300000 SH SOLE 300000 0 0 Biogen Idec Inc. COMMON 09062X103 3912 70000 SH SOLE 70000 0 0 Berkshire Hathaway Inc. Class A COMMON 084670108 24150 200 SH SOLE 200 0 0 Central Securities Corporation COMMON 155123102 789 30578 SH SOLE 30578 0 0 Cougar Biotechnology, Inc. COMMON 222083107 1680 70500 SH SOLE 70500 0 0 Cleveland-Cliffs Inc COMMON 185896107 14303 120000 SH SOLE 120000 0 0 Costco Wholesale Corporation COMMON 22160K105 40331 575000 SH SOLE 575000 0 0 Carpenter Technology Corporation COMMON 144285103 16194 371000 SH SOLE 371000 0 0 Cisco Systems, Inc. COMMON 17275R102 21283 915000 SH SOLE 915000 0 0 CEMEX, S.A. de C.V. ADR COMMON 151290889 56973 2306590 SH SOLE 2306590 0 0 Cytokinetics, Incorporated COMMON 23282W100 1966 529900 SH SOLE 529900 0 0 Dell Inc. COMMON 24702R101 34023 1555000 SH SOLE 1555000 0 0 Diageo plc ADR COMMON 25243Q205 25855 350000 SH SOLE 350000 0 0 Genentech, Inc. COMMON 368710406 15180 200000 SH SOLE 200000 0 0 Fidelity National Information COMMON 31620M106 1846 50000 SH SOLE 50000 0 0 Fidelity National Financial, Inc COMMON 31620R105 16065 1275000 SH SOLE 1275000 0 0 Gilead Sciences, Inc. COMMON 375558103 6328 119500 SH SOLE 119500 0 0 Halliburton Company COMMON 406216101 42456 800000 SH SOLE 800000 0 0 The Home Depot, Inc. COMMON 437076102 16980 725000 SH SOLE 725000 0 0 Hewitt Associates, Inc.Class A COMMON 42822Q100 17866 466100 SH SOLE 466100 0 0 Hatteras Financial Corporation COMMON 41902R103 646 28100 SH SOLE 28100 0 0 Lamar Advertising Company COMMON 512815101 11677 324100 SH SOLE 324100 0 0 Leap Wireless International, Inc COMMON 521863308 6583 152500 SH SOLE 152500 0 0 MetLife, Inc. COMMON 59156R108 13984 265000 SH SOLE 265000 0 0 Microsoft Corporation COMMON 594918104 15681 570000 SH SOLE 570000 0 0 M&T Bank Corporation COMMON 55261F104 21162 300000 SH SOLE 300000 0 0 Nelnet, Inc. COMMON 64031N108 11511 1025000 SH SOLE 1025000 0 0 NetEase.com, Inc. COMMON 64110W102 8934 410000 SH SOLE 410000 0 0 VeriFone Holdings, Inc. COMMON 92342Y109 11950 1000000 SH SOLE 1000000 0 0 MetroPCS Communications, Inc. COMMON 591708102 18392 1038500 SH SOLE 1038500 0 0 PepsiCo, Inc. COMMON 713448108 15262 240000 SH SOLE 240000 0 0 PartnerRe Ltd. COMMON G6852T105 19011 275000 SH SOLE 275000 0 0 Patterson-UTI Energy, Inc. COMMON 703481101 21678 600000 SH SOLE 600000 0 0 QUALCOMM Incorporated COMMON 747525103 35496 800000 SH SOLE 800000 0 0 Everest Re Group, Ltd. COMMON G3223R108 25109 315000 SH SOLE 315000 0 0 Republic Services, Inc. COMMON 760759100 26181 881500 SH SOLE 881500 0 0 Royce Value Trust COMMON 780910105 1994 127159 SH SOLE 127159 0 0 Sovereign Bancorp, Inc. COMMON 845905108 9752 1325000 SH SOLE 1325000 0 0 Teradata Corporation COMMON 88076W103 20595 890000 SH SOLE 890000 0 0 Target Corporation COMMON 87612E106 15486 333100 SH SOLE 333100 0 0 THQ Inc. COMMON 872443403 6787 335000 SH SOLE 335000 0 0 The TJX Companies, Inc. COMMON 872540109 52712 1675000 SH SOLE 1675000 0 0 Transatlantic Holdings, Inc. COMMON 893521104 5647 100000 SH SOLE 100000 0 0 Textron Inc. COMMON 883203101 28792 600700 SH SOLE 600700 0 0 United Technologies Corporation COMMON 913017109 20053 325000 SH SOLE 325000 0 0 Wachovia Corporation COMMON 929903102 7532 485000 SH SOLE 485000 0 0 Weatherford International Ltd. COMMON G95089101 122487 2470000 SH SOLE 2470000 0 0 Waste Management, Inc. COMMON 94106L109 25643 680000 SH SOLE 680000 0 0 Wal-Mart Stores, Inc. COMMON 931142103 26414 470000 SH SOLE 470000 0 0 Xerox Corporation COMMON 984121103 25764 1900000 SH SOLE 1900000 0 0