UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 13F Form 13F COVER PAGE Report for the Calendar Year or Quarter Ended: December 31, 2009 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: Alleghany Corporation Address: 7 Times Square Tower, 17th Floor New York, NY 10036 Form 13F File Number: 28-1590 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: Roger B. Gorham Title: Senior Vice President Phone: 212-752-1356 Signature, Place, and Date of Signing: /s/ Roger B. Gorham New York, NY February 12, 2010 ------------------------- -------------------------- ----------------------- [Signature] [City, State] [Date] Report Type (Check only one): [X] 13F HOLDINGS REPORT. (Check here if all holdings of this reporting manager are reported in this report.) [ ] 13F NOTICE. (Check here if no holdings reported are in this report, and all holdings are reported by other reporting manager(s).) [ ] 13F COMBINATION REPORT. (Check here if a portion of the holdings for this reporting manager are reported in this report and a portion are reported by other reporting manager(s).) Form 13F SUMMARY PAGE Report Summary: Number of Other Included Managers: 2 Form 13F Information Table Entry Total: 66 Form 13F Information Table Value Total: $ 637,051 (thousands) List of Other Included Managers: No. Form 13F File Number Name --- -------------------- -------------------------------- 2 RSUI Indemnity Company 3 Alleghany Insurance Holdings LLC SECURITIES AND EXCHANGE COMMISSIONS FORM 13F INFORMATION PREPARED FOR ALLEGHANY CORPORATION AS OF 12/31/09 COLUMN 1 COLUMN 2 COLUMN 3 COLUMN 4 COLUMN 5 COLUMN 6 COLUMN 7 COLUMN 8 ---------------------------- -------------- --------- -------- ------------------- --------------- -------- -------------- INVESTMENT VOTING DISCRETION AUTHORITY MARKET --------------- -------------- VALUE SHRS OR SH/ PUT/ SOLE SHRD OTHER SOLE SHRD NONE NAME OF ISSUER TITLE OF CLASS CUSIP (X 1000) PRIN AMT PRN CALL (A) (B) (C) MANAGER (A) (B) (C) ---------------------------- -------------- --------- -------- ---------- --- ---- ---- ---- ----- -------- ---- ---- ---- AT&T INC COM 00206R102 1,682 60,000 SH X 2 X AGILENT TECHNOLOGIES INC COM 00846U101 932 30,000 SH X 2 X ALEXANDER & BALDWIN INC COM 014482103 685 20,000 SH X 2 X AMERICAN EXPRESS CO COM 025816109 1,418 35,000 SH X 2 X APACHE CORP COM 037411105 7,738 75,000 SH X 1 X APACHE CORP COM 037411105 23,213 225,000 SH X 2 X APPLIED MATLS INC COM 038222105 976 70,000 SH X 2 X AUTODESK INC COM 052769106 762 30,000 SH X 2 X AUTOMATIC DATA PROCESSING IN COM 053015103 856 20,000 SH X 2 X BARRICK GOLD CORP COM 067901108 4,726 120,000 SH X 1 X BARRICK GOLD CORP COM 067901108 14,964 380,000 SH X 2 X BERKSHIRE HATHAWAY INC DEL CLB 084670207 1,314 400 SH X 2 X BOEING CO COM 097023105 812 15,000 SH X 2 X CHEVRON CORP NEW COM 166764100 4,620 60,000 SH X 1 X CHEVRON CORP NEW COM 166764100 16,168 210,000 SH X 2 X CHEVRON CORP NEW COM 166764100 2,310 30,000 SH X 3 X CHUBB CORP COM 171232101 1,475 30,000 SH X 2 X CINCINNATI FINL CORP COM 172062101 18,368 700,000 SH X 1 X COCA COLA CO COM 191216100 1,710 30,000 SH X 2 X CONOCOPHILLIPS COM 20825C104 13,789 270,000 SH X 1 X CONOCOPHILLIPS COM 20825C104 31,459 616,000 SH X 2 X CONOCOPHILLIPS COM 20825C104 35,748 700,000 SH X 3 X COSTCO WHSL CORP NEW COM 22160K105 1,479 25,000 SH X 2 X DEERE & CO COM 244199105 1,623 30,000 SH X 2 X DEVON ENERGY CORP NEW COM 25179M103 9,187 125,000 SH X 1 X DEVON ENERGY CORP NEW COM 25179M103 27,563 375,000 SH X 2 X DISNEY WALT CO COM DISNEY 254687106 1,451 45,000 SH X 2 X DOMINION RES INC VA NEW COM 25746U109 1,946 50,000 SH X 1 X DOMINION RES INC VA NEW COM 25746U109 5,838 150,000 SH X 2 X DU PONT EI DE NEMOURS & CO COM 263534109 1,177 35,000 SH X 2 X EMERSON ELEC CO COM 291011104 1,491 35,000 SH X 2 X EXELON CORP COM 30161N101 4,643 95,000 SH X 1 X EXELON CORP COM 30161N101 14,905 305,000 SH X 2 X EXXON MOBIL CORP COM 30231G102 2,046 30,000 SH X 2 X EXXON MOBIL CORP COM 30231G102 34,095 500,000 SH X 3 X FPL GROUP INC COM 302571104 5,546 105,000 SH X 1 X FPL GROUP INC COM 302571104 13,839 262,000 SH X 2 X FEDEX CORP COM 31428X106 1,252 15,000 SH X 2 X GENERAL ELECTRIC CO COM 369604103 1,135 75,000 SH X 2 X GLOBAL INDS LTD COM 379336100 9,326 1,308,000 SH X 1 X GLOBAL INDS LTD COM 379336100 20,620 2,892,000 SH X 2 X HESS CORP COM 42809H107 13,613 225,000 SH X 1 X HESS CORP COM 42809H107 37,812 625,000 SH X 2 X HESS CORP COM 42809H107 9,075 150,000 SH X 3 X HOME DEPOT INC COM 437076102 579 20,000 SH X 2 X INTEL CORP COM 458140100 1,734 85,000 SH X 2 X INTERNATIONAL BUSINESS MACHS COM 459200101 1,571 12,000 SH X 2 X INTUIT COM 461202103 615 20,000 SH X 2 X JOHNSON AND JOHNSON COM 478160104 1,610 25,000 SH X 2 X KELLOGG CO COM 487836108 1,330 25,000 SH X 2 X LAUDER ESTEE COS INC CLA 518439104 1,209 25,000 SH X 2 X LILLY ELI & CO COM 532457108 1,786 50,000 SH X 2 X LOCKHEED MARTIN CORP COM 539830109 10,172 135,000 SH X 1 X LOCKHEED MARTIN CORP COM 539830109 19,968 265,000 SH X 2 X LOEWS CORP COM 540424108 727 20,000 SH X 2 X MARRIOTT INTL INC NEW CLA 571903202 964 35,382 SH X 2 X MEDTRONIC INC COM 585055106 1,759 40,000 SH X 2 X MICROSOFT CORP COM 594918104 4,115 135,000 SH X 1 X MICROSOFT CORP COM 594918104 13,716 450,000 SH X 2 X NEWMONT MINING CORP COM 651639106 4,021 85,000 SH X 1 X NEWMONT MINING CORP COM 651639106 14,903 315,000 SH X 2 X NEWS CORP CLA 65248E104 958 70,000 SH X 2 X NOBLE ENERGY INC COM 655044105 1,424 20,000 SH X 2 X NORDSTROM INC COM 655664100 1,127 30,000 SH X 2 X NOVARTIS AG SPONSORED ADR 66987V109 1,361 25,000 SH X 2 X 1 SECURITIES AND EXCHANGE COMMISSIONS FORM 13F INFORMATION PREPARED FOR ALLEGHANY CORPORATION AS OF 12/31/09 COLUMN 1 COLUMN 2 COLUMN 3 COLUMN 4 COLUMN 5 COLUMN 6 COLUMN 7 COLUMN 8 ---------------------------- -------------- --------- -------- ------------------- --------------- -------- -------------- INVESTMENT VOTING DISCRETION AUTHORITY MARKET --------------- -------------- VALUE SHRS OR SH/ PUT/ SOLE SHRD OTHER SOLE SHRD NONE NAME OF ISSUER TITLE OF CLASS CUSIP (X 1000) PRIN AMT PRN CALL (A) (B) (C) MANAGER (A) (B) (C) ---------------------------- -------------- --------- -------- ---------- --- ---- ---- ---- ----- -------- ---- ---- ---- NUSTAR ENERGY LP UNIT COM 67058H102 4,038 72,000 SH X 1 X NUSTAR ENERGY LP UNIT COM 67058H102 8,582 153,000 SH X 2 X OCCIDENTAL PETE CORP DEL COM 674599105 20,338 250,000 SH X 3 X OLD REP INTL CORP COM 680223104 20,080 2,000,000 SH X 3 X PLAINS EXPL& PRODTN CO COM 726505100 7,911 286,000 SH X 1 X PLAINS EXPL& PRODTN CO COM 726505100 20,579 744,000 SH X 2 X PROCTER & GAMBLE CO COM 742718109 1,819 30,000 SH X 2 X SCHLUMBERGER LTD COM 806857108 1,627 25,000 SH X 2 X SIEMENS A G SPONSORED ADR 826197501 1,146 12,500 SH X 2 X SIGMA ALDRICH CORP COM 826552101 1,011 20,000 SH X 2 X STATE STR CORP COM 857477103 653 15,000 SH X 2 X SYSCO CORP COM 871829107 1,118 40,000 SH X 2 X 3M CO COM 88579Y101 1,819 22,000 SH X 2 X TRICO MARINE SERVICES INC COM NEW 896106200 1,635 360,000 SH X 1 X TRICO MARINE SERVICES INC COM NEW 896106200 3,927 865,000 SH X 2 X US BANCORP DEL COM NEW 902973304 563 25,000 SH X 2 X WAL MART STORES INC COM 931142103 1,871 35,000 SH X 2 X WASHINGTON POST CO CLB 939640108 879 2,000 SH X 2 X WELLS FARGO & CO NEW COM 949746101 540 20,000 SH X 2 X WILLIAMS CO INC DEL COM 969457100 9,274 440,000 SH X 1 X WILLIAMS CO INC DEL COM 969457100 18,129 860,000 SH X 2 X WILLIAMS CO INC DEL COM 969457100 2,108 100,000 SH X 3 X ZENITH NATL INS CORP COM 989390109 4,018 135,000 SH X 1 X ZENITH NATL INS CORP COM 989390109 12,350 415,000 SH X 2 X GRAND TOTAL 637,051 19,997,282 2