PAGE 1 000 B000000 12/31/2005 000 C000000 0000040417 000 D000000 N 000 E000000 NF 000 F000000 Y 000 G000000 N 000 H000000 N 000 I000000 6.1 000 J000000 U 001 A000000 GENERAL AMERICAN INVESTORS COMPANY, INC. 001 B000000 811-41 001 C000000 2129168400 002 A000000 450 LEXINGTON AVENUE - SUITE 3300 002 B000000 NEW YORK 002 C000000 NY 002 D010000 10017 002 D020000 3911 003 000000 N 004 000000 N 005 000000 N 006 000000 N 007 A000000 N 007 B000000 0 020 A000001 BEAR, STEARNS & CO. INC. 020 B000001 13-3299429 020 C000001 81 020 A000002 MORGAN STANLEY 020 B000002 13-2655998 020 C000002 68 020 A000003 MERRILL LYNCH, PIERCE, FENNER & SMITH INC. 020 B000003 13-5674085 020 C000003 62 020 A000004 J.P. MORGAN SECURITIES INC. 020 B000004 13-3224016 020 C000004 58 020 A000005 SANFORD C. BERNSTEIN & CO.,LLC 020 B000005 13-2625874 020 C000005 49 020 A000006 LEHMAN BROTHERS INC. 020 B000006 13-2518466 020 C000006 48 020 A000007 DOWLING & PARTNERS SECURITIES LLC 020 B000007 06-1400223 020 C000007 48 020 A000008 UBS FINANCIAL SERVICES INC. 020 B000008 13-2638166 020 C000008 42 020 A000009 KEEFE, BRUYETTE & WOODS, INC. 020 B000009 13-1964616 020 C000009 41 020 A000010 FOX-PITT KELTON INC. PAGE 2 020 B000010 06-1058201 020 C000010 40 021 000000 770 022 A000001 GENERAL ELECTRIC CREDIT CORPORATION 022 B000001 13-1500700 022 C000001 60943 022 D000001 11988 022 A000002 AMERICAN GENERAL FINANCE CORPORATION 022 B000002 35-0416090 022 C000002 56561 022 D000002 5994 022 A000003 AMERICAN EXPRESS CREDIT CORPORATION 022 B000003 11-1988350 022 C000003 56862 022 D000003 0 022 A000004 PRUDENTIAL FUNDING CREDIT CORPORATION 022 B000004 22-2231168 022 C000004 38120 022 D000004 0 022 A000005 BEAR, STEARNS & CO. INC. 022 B000005 13-3299429 022 C000005 14513 022 D000005 9047 022 A000006 S.G.COWEN & CO., INC. 022 B000006 13-5616116 022 C000006 0 022 D000006 11813 022 A000007 STONE & YOUNGBERG LLC 022 B000007 94-1052545 022 C000007 9395 022 D000007 0 022 A000008 LEHMAN BROTHERS INC. 022 B000008 13-2518466 022 C000008 8900 022 D000008 0 022 A000009 MERRILL LYNCH, PIERCE, FENNER & SMITH INC. 022 B000009 13-5674085 022 C000009 181 022 D000009 3878 022 A000010 CREDIT SUISSE FIRST BOSTON CORPORATION 022 B000010 13-5659485 022 C000010 699 022 D000010 0 023 C000000 247221 023 D000000 42719 062 A000000 N 062 B000000 0.0 062 C000000 0.0 062 D000000 0.0 062 E000000 0.0 062 F000000 0.0 PAGE 3 062 G000000 0.0 062 H000000 0.0 062 I000000 0.0 062 J000000 0.0 062 K000000 0.0 062 L000000 0.0 062 M000000 0.0 062 N000000 0.0 062 O000000 0.0 062 P000000 0.0 062 Q000000 0.0 062 R000000 0.0 066 A000000 Y 066 B000000 N 066 C000000 N 066 D000000 Y 066 E000000 N 066 F000000 N 066 G000000 N 067 000000 N 068 A000000 N 068 B000000 N 069 000000 N 070 A010000 Y 070 A020000 N 070 B010000 Y 070 B020000 Y 070 C010000 Y 070 C020000 N 070 D010000 Y 070 D020000 N 070 E010000 Y 070 E020000 N 070 F010000 Y 070 F020000 N 070 G010000 Y 070 G020000 N 070 H010000 Y 070 H020000 N 070 I010000 Y 070 I020000 N 070 J010000 Y 070 J020000 Y 070 K010000 Y 070 K020000 Y 070 L010000 Y 070 L020000 Y 070 M010000 Y 070 M020000 N 070 N010000 Y 070 N020000 N PAGE 4 070 O010000 Y 070 O020000 N 070 P010000 Y 070 P020000 N 070 Q010000 Y 070 Q020000 N 070 R010000 Y 070 R020000 Y 071 A000000 254596 071 B000000 274239 071 C000000 1247472 071 D000000 20 072 A000000 12 072 B000000 2318 072 C000000 16403 072 D000000 0 072 E000000 0 072 F000000 0 072 G000000 0 072 H000000 9144 072 I000000 66 072 J000000 60 072 K000000 7 072 L000000 60 072 M000000 218 072 N000000 51 072 O000000 101 072 P000000 0 072 Q000000 0 072 R000000 112 072 S000000 105 072 T000000 0 072 U000000 0 072 V000000 70 072 W000000 3319 072 X000000 13313 072 Y000000 0 072 Z000000 5408 072AA000000 63024 072BB000000 0 072CC010000 103639 072CC020000 0 072DD010000 4334 072DD020000 0 072EE000000 56061 073 A010000 0.5482 073 A020000 0.0000 073 B000000 1.5735 073 C000000 0.0000 074 A000000 13 074 B000000 0 PAGE 5 074 C000000 3823 074 D000000 25813 074 E000000 0 074 F000000 1301855 074 G000000 0 074 H000000 0 074 I000000 0 074 J000000 5734 074 K000000 0 074 L000000 1029 074 M000000 7928 074 N000000 1346195 074 O000000 1468 074 P000000 0 074 Q000000 0 074 R010000 0 074 R020000 0 074 R030000 0 074 R040000 11785 074 S000000 200000 074 T000000 1132942 074 U010000 29050 074 U020000 0 074 V010000 39.00 074 V020000 0.00 074 W000000 0.0000 074 X000000 4123 074 Y000000 0 075 A000000 0 075 B000000 1068805 076 000000 34.54 077 A000000 Y 077 B000000 Y 077 Q010000 Y 077 Q020000 N 077 Q030000 N 078 000000 N 080 A000000 VIGILANT INSURANCE COMPANY 080 C000000 2250 081 A000000 Y 081 B000000 2 082 A000000 N 082 B000000 0 083 A000000 N 083 B000000 0 084 A000000 N 084 B000000 0 085 A000000 Y 085 B000000 N 086 A010000 0 086 A020000 0 PAGE 6 086 B010000 1222 086 B020000 39812 086 C010000 0 086 C020000 0 086 D010000 0 086 D020000 0 086 E010000 0 086 E020000 0 086 F010000 0 086 F020000 0 087 A010000 COMMON STOCK, $1 PAR VALUE 087 A020000 368802104 087 A030000 GAM 087 B010000 5.95% CUM PRFD STOCK, SERIES B, $1 PAR VALUE 087 B020000 368802401 087 B030000 GAMPR B 088 A000000 N 088 B000000 N 088 C000000 N 088 D000000 Y SIGNATURE EUGENE S. STARK TITLE V.P., ADMINISTRATION