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, 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: 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 10, 2011 ------------------------------------- ----------------- -------------------- [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: 61 Form 13F Information Table Value Total: $1,500,686 (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 12/31/10 COLUMN 1 COLUMN 2 COLUMN 3 COLUMN 4 COLUMN 5 COLUMN 6 COLUMN 7 COLUMN 8 ---------------------------- ------------- --------- --------- ------------------- --------------- -------- -------------- INVESTMENT VOTING DISCRETION AUTHORITY MARKET --------------- -------------- TITLE OF VALUE SHRS OR SH/ PUT/ SOLE SHRD OTHER SOLE SHRD NONE NAME OF ISSUER CLASS CUSIP (X 1000) PRIN AMT PRN CALL (A) (B) (C) MANAGER (A) (B) (C) ---------------------------- ------------- --------- --------- ---------- --- ---- ---- ---- ----- -------- ---- ---- ---- COOPER INDUSTRIES PLC SHS G24140108 729 12,500 SH X 2 X EVEREST RE GROUP LTD COM G3223R108 84,820 1,000,000 SH X 3 X AT&T INC COM 00206R102 1,763 60,000 SH X 2 X AGILENT TECHNOLOGIES INC COM 00846U101 1,243 30,000 SH X 2 X ALEXANDER & BALDWIN INC COM 014482103 801 20,000 SH X 2 X AMERICAN EXPRESS CO COM 025816109 1,502 35,000 SH X 2 X APPLIED MATLS INC COM 038222105 983 70,000 SH X 2 X AUTODESK INC COM 052769106 955 25,000 SH X 2 X AUTOMATIC DATA PROCESSING IN COM 053015103 926 20,000 SH X 2 X BARRICK GOLD CORP COM 067901108 11,115 209,000 SH X 1 X BARRICK GOLD CORP COM 067901108 42,065 791,000 SH X 2 X BARRICK GOLD CORP COM 067901108 5,318 100,000 SH X 3 X BERKSHIRE HATHAWAY INC DEL CL B 084670207 1,602 20,000 SH X 2 X BOEING CO COM 097023105 979 15,000 SH X 2 X CHUBB CORP COM 171232101 1,789 30,000 SH X 2 X COCA COLA CO COM 191216100 1,973 30,000 SH X 2 X CONOCOPHILLIPS COM 20825C104 8,853 130,000 SH X 1 X CONOCOPHILLIPS COM 20825C104 27,240 400,000 SH X 2 X CONOCOPHILLIPS COM 20825C104 81,720 1,200,000 SH X 3 X COSTCO WHSL CORP NEW COM 22160K105 1,805 25,000 SH X 2 X COVANTA HLDG CORP COM 22282E102 2 124 SH X 1 X DEERE & CO COM 244199105 2,491 30,000 SH X 2 X DEVON ENERGY CORP NEW COM 25179M103 39,255 500,000 SH X 2 X DEVON ENERGY CORP NEW COM 25179M103 7,851 100,000 SH X 3 X DISNEY WALT CO COM DISNEY 254687106 1,688 45,000 SH X 2 X DU PONT EI DE NEMOURS & CO COM 263534109 1,746 35,000 SH X 2 X EMERSON ELEC CO COM 291011104 2,001 35,000 SH X 2 X EXELON CORP COM 30161N101 7,287 175,000 SH X 3 X EXELON CORP COM 30161N101 21,861 525,000 SH X 2 X EXXON MOBIL CORP COM 30231G102 530,120 7,250,000 SH X 1 X EXXON MOBIL CORP COM 30231G102 57,034 780,000 SH X 2 X FEDEX CORP COM 31428X106 6,045 65,000 SH X 2 X FEDEX CORP COM 31428X106 4,651 50,000 SH X 3 X GENERAL ELECTRIC CO COM 369604103 914 50,000 SH X 2 X GLOBAL INDS LTD COM 379336100 7,034 1,015,000 SH X 1 X GLOBAL INDS LTD COM 379336100 13,063 1,885,000 SH X 2 X HESS CORP COM 42809H107 17,604 230,000 SH X 1 X HESS CORP COM 42809H107 47,455 620,000 SH X 2 X HESS CORP COM 42809H107 34,443 450,000 SH X 3 X HEWLETT PACKARD CO COM 428236103 1,052 25,000 SH X 2 X HOME DEPOT INC COM 437076102 701 20,000 SH X 2 X INTEL CORP COM 458140100 1,788 85,000 SH X 2 X INTERNATIONAL BUSINESS MACHS COM 459200101 1,761 12,000 SH X 2 X JPMORGAN CHASE & CO COM 46625H100 1,273 30,000 SH X 2 X JOHNSON AND JOHNSON COM 478160104 1,546 25,000 SH X 2 X KELLOGG CO COM 487836108 1,277 25,000 SH X 2 X LAUDER ESTEE COS INC CL A 518439104 2,017 25,000 SH X 2 X LILLY ELI & CO COM 532457108 1,752 50,000 SH X 2 X LOCKHEED MARTIN CORP COM 539830109 5,593 80,000 SH X 1 X LOCKHEED MARTIN CORP COM 539830109 15,380 220,000 SH X 2 X LOCKHEED MARTIN CORP COM 539830109 41,946 600,000 SH X 3 X LOEWS CORP COM 540424108 973 25,000 SH X 2 X MEDTRONIC INC COM 585055106 1,669 45,000 SH X 2 X MICROSOFT CORP COM 594918104 26,654 955,000 SH X 1 X MICROSOFT CORP COM 594918104 59,448 2,130,000 SH X 2 X MICROSOFT CORP COM 594918104 27,910 1,000,000 SH X 3 X NEWMONT MINING CORP COM 651639106 9,092 148,000 SH X 1 X NEWMONT MINING CORP COM 651639106 40,052 652,000 SH X 2 X NEWMONT MINING CORP COM 651639106 6,143 100,000 SH X 3 X NEWS CORP CL A 65248E104 1,019 70,000 SH X 2 X NOBLE ENERGY INC COM 655044105 1,722 20,000 SH X 2 X NORDSTROM INC COM 655664100 1,271 30,000 SH X 2 X NOVARTIS AG SPONSORED ADR 66987V109 1,474 25,000 SH X 2 X OCCIDENTAL PETE CORP DEL COM 674599105 18,149 185,000 SH X 1 X OCCIDENTAL PETE CORP DEL COM 674599105 52,974 540,000 SH X 2 X OCCIDENTAL PETE CORP DEL COM 674599105 66,217 675,000 SH X 3 X PACCAR INC COM 693718108 1,147 20,000 SH X 2 X PENTAIR INC COM 709631105 730 20,000 SH X 2 X PHILIP MORRIS INTL INC COM 718172109 878 15,000 SH X 2 X PROCTER & GAMBLE CO COM 742718109 1,930 30,000 SH X 2 X SCHLUMBERGER LTD COM 806857108 2,088 25,000 SH X 2 X SEABRIGHT INSURANCE HLDGS IN COM 811656107 507 55,000 SH X 1 X SEABRIGHT INSURANCE HLDGS IN COM 811656107 1,337 145,000 SH X 2 X SEABRIGHT INSURANCE HLDGS IN COM 811656107 4,610 500,000 SH X 3 X SIGMA ALDRICH CORP COM 826552101 1,331 20,000 SH X 2 X SYSCO CORP COM 871829107 1,176 40,000 SH X 2 X 3M CO COM 88579Y101 1,899 22,000 SH X 2 X US BANCORP DEL COM NEW 902973304 674 25,000 SH X 2 X UNITED PARCEL SERVICE INC CL B 911312106 3,629 50,000 SH X 2 X UNITED PARCEL SERVICE INC CL B 911312106 3,629 50,000 SH X 3 X WAL MART STORES INC COM 931142103 1,888 35,000 SH X 2 X WASHINGTON POST CO CL B 939640108 879 2,000 SH X 2 X WELLS FARGO & CO NEW COM 949746101 775 25,000 SH X 2 X GRAND TOTAL 1,500,686 26,938,624