UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 13F FORM 13F COVER PAGE Report for the Calendar Year or Quarter Ended: March 31, 2010 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 AVE 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 April 28, 2010 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: 58 Form 13F Information Table Value Total: $917780553 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 26208 1200000 SH SOLE 1200000 0 0 Arch Capital Group Ltd. COMMON G0450A105 24019 315000 SH SOLE 315000 0 0 Adams Express Company COMMON 006212104 1358 128815 SH SOLE 128815 0 0 Alexander & Baldwin, Inc. COMMON 014482103 7803 236100 SH SOLE 236100 0 0 Alpha Natural Resources, Inc. COMMON 02076X102 12682 254200 SH SOLE 254200 0 0 Apache Corporation COMMON 037411105 29991 295478 SH SOLE 295478 0 0 ASML Holding N.V. COMMON N07059186 24780 700000 SH SOLE 700000 0 0 American Express Company COMMON 025816109 13410 325000 SH SOLE 325000 0 0 Berkshire Hathaway Inc. Class A COMMON 084670108 13398 110 SH SOLE 110 0 0 Cephalon, Inc. COMMON 156708109 23526 347100 SH SOLE 347100 0 0 Central Securities Corporation COMMON 155123102 702 35500 SH SOLE 35500 0 0 Costco Wholesale Corporation COMMON 22160K105 34333 575000 SH SOLE 575000 0 0 Cisco Systems, Inc. COMMON 17275R102 24989 960000 SH SOLE 960000 0 0 CEMEX, S.A. de C.V. ADR COMMON 151290889 19113 1872000 SH SOLE 1872000 0 0 Cytokinetics, Incorporated COMMON 23282W100 1696 529900 SH SOLE 529900 0 0 Dell Inc. COMMON 24702R101 19376 1290000 SH SOLE 1290000 0 0 Diageo plc ADR COMMON 25243Q205 23608 350000 SH SOLE 350000 0 0 Devon Energy Corporation COMMON 25179M103 6443 100000 SH SOLE 100000 0 0 Epoch Holding Corporation COMMON 29428R103 18817 1666667 SH SOLE 1666667 0 0 Fidelity National Financial, Inc COMMON 31620R105 11115 750000 SH SOLE 750000 0 0 Gilead Sciences, Inc. COMMON 375558103 5434 119500 SH SOLE 119500 0 0 Halliburton Company COMMON 406216101 24104 800000 SH SOLE 800000 0 0 Hewitt Associates, Inc.Class A COMMON 42822Q100 18541 466100 SH SOLE 466100 0 0 International Game Technology COMMON 459902102 13838 750000 SH SOLE 750000 0 0 J.C. Penney Company, Inc. COMMON 708160106 12868 400000 SH SOLE 400000 0 0 JPMorgan Chase & Co. COMMON 46625H100 13425 300000 SH SOLE 300000 0 0 Leap Wireless International, Inc COMMON 521863308 1276 78000 SH SOLE 78000 0 0 McDermott International, Inc. COMMON 580037109 8749 325000 SH SOLE 325000 0 0 MetLife, Inc. COMMON 59156R108 12135 280000 SH SOLE 280000 0 0 Microsoft Corporation COMMON 594918104 16694 570000 SH SOLE 570000 0 0 M&T Bank Corporation COMMON 55261F104 11113 140000 SH SOLE 140000 0 0 The Manitowoc Company, Inc. COMMON 563571108 3032 233198 SH SOLE 233198 0 0 MSCI Inc. Class A COMMON 55354G100 14621 405000 SH SOLE 405000 0 0 Nelnet, Inc. COMMON 64031N108 11786 635000 SH SOLE 635000 0 0 NetEase.com, Inc. COMMON 64110W102 5971 168100 SH SOLE 168100 0 0 Nucor Corporation COMMON 670346105 6807 150000 SH SOLE 150000 0 0 Poniard Pharmaceuticals, Inc. COMMON 732449301 225 195344 SH SOLE 195344 0 0 PepsiCo, Inc. COMMON 713448108 18856 285000 SH SOLE 285000 0 0 Pfizer Inc. COMMON 717081103 11247 655808 SH SOLE 655808 0 0 PartnerRe Ltd. COMMON G6852T105 21923 275000 SH SOLE 275000 0 0 QUALCOMM Incorporated COMMON 747525103 29372 700000 SH SOLE 700000 0 0 Everest Re Group, Ltd. COMMON G3223R108 20233 250000 SH SOLE 250000 0 0 Republic Services, Inc. COMMON 760759100 27540 949000 SH SOLE 949000 0 0 Royce Value Trust, Inc. COMMON 780910105 1717 144955 SH SOLE 144955 0 0 Symetra Financial Corporation COMMON 87151Q106 2636 200000 SH SOLE 200000 0 0 ProShares UltraShort 20+ Year COMMON 74347R297 10712 220000 SH SOLE 220000 0 0 Teradata Corporation COMMON 88076W103 13001 450000 SH SOLE 450000 0 0 The TJX Companies, Inc. COMMON 872540109 75473 1775000 SH SOLE 1775000 0 0 Transatlantic Holdings, Inc. COMMON 893521104 4382 83000 SH SOLE 83000 0 0 The Travelers Companies, Inc. COMMON 89417E109 10788 200000 SH SOLE 200000 0 0 Textron Inc. COMMON 883203101 4564 215000 SH SOLE 215000 0 0 United Technologies Corporation COMMON 913017109 23923 325000 SH SOLE 325000 0 0 Verifone Holdings, Inc. 1 3/8% NOTE 92342YAB5 9100 10000000 PRN SOLE 10000000 0 0 Weatherford International Ltd. COMMON G95089101 34099 2150000 SH SOLE 2150000 0 0 Waste Management, Inc. COMMON 94106L109 21691 630000 SH SOLE 630000 0 0 Wal-Mart Stores, Inc. COMMON 931142103 30580 550000 SH SOLE 550000 0 0 Xerox Corporation COMMON 984121103 18525 1900000 SH SOLE 1900000 0 0 XTO Energy Inc. COMMON 98385X106 9436 200000 SH SOLE 200000 0 0