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, 2006
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: Peter R. Sismondo
Title: Vice President
Phone: 212-752-1356
Signature, Place, and Date of Signing:
/s/ Peter R. Sismondo New York, NY February 12, 2007
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[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: 3
Form 13F Information Table Entry Total: 68
Form 13F Information Table Value Total: $1,092,658
(thousands)
List of Other Included Managers:
No. Form 13F File Number Name
2 RSUI Indemnity Company
3 Capitol Indemnity Corporation
4 Alleghany Insurance Holdings LLC
SECURITIES AND EXCHANGE COMMISSIONS FORM 13F INFORMATION
PREPARED FOR ALLEGHANY CORPORATION
AS OF 12/31/06
COLUMN 1 COLUMN 2 COLUMN 3 COLUMN 4 COLUMN 5 COLUMN 6 COLUMN 7 COLUMN 8
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INVESTMENT
MARKET DISCRETION VOTING AUTHORITY
NAME OF TITLE OF VALUE SHRS OR SH/ PUT/ SOLE SHRD OTHER SOLE SHRD NONE
ISSUER CLASS CUSIP (x$1000) PRN AMT PRN CALL (A) (B) (C) MANAGER (A) (B) (C)
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AT&T INC COM 00206R102 1,788 50,000 SH X 4 X
AGILENT TECHNO-
LOGIES INC COM 00846U101 697 20,000 SH X 4 X
ALEXANDER &
BALDWIN INC COM 014482103 887 20,000 SH X 4 X
AMERICAN EXPRESS
CO COM 025816109 1,517 25,000 SH X 4 X
AMERICAN INTL
GROUP INC COM 026874107 1,433 20,000 SH X 4 X
AMERIPRISE FINL
INC COM 03076C106 273 5,000 SH X 4 X
ANADARKO PETE CORP COM 032511107 32,640 750,000 SH X 2 X
ANADARKO PETE CORP COM 032511107 10,880 250,000 SH X 3 X
APACHE CORP COM 037411105 32,424 487,500 SH X 2 X
APACHE CORP COM 037411105 10,808 162,500 SH X 3 X
APPLERA CORP COM AP BIO
GRP 038080103 1,835 50,000 SH X 4 X
APPLIED MATLS INC COM 038222105 923 50,000 SH X 4 X
AUTODESK INC COM 052769106 1,214 30,000 SH X 4 X
BELO CORP COM SER A 080555105 919 50,000 SH X 4 X
BERKSHIRE HATHAWAY
INC DEL CL B 084670207 1,466 400 SH X 4 X
BERKSHIRE HATHAWAY
INC DEL CL B 084670207 4,147 1,131 SH X 3 X
BOEING CO COM 097023105 1,333 15,000 SH X 4 X
BURLINGTON NORTHN
SANTA FE C COM 12189T104 428,786 5,809,319 SH X 1 X
CATERPILLAR INC
DEL COM 149123101 1,840 30,000 SH X 4 X
CHEVRON CORP NEW COM 166764100 1,471 20,000 SH X 1 X
CHEVRON CORP NEW COM 166764100 30,515 415,000 SH X 2 X
CHEVRON CORP NEW COM 166764100 11,397 155,000 SH X 3 X
CHEVRON CORP NEW COM 166764100 8,088 110,000 SH X 4 X
CHUBB CORP COM 171232101 1,587 30,000 SH X 4 X
CIMAREX ENERGY CO COM 171798101 10,950 300,000 SH X 2 X
CIMAREX ENERGY CO COM 171798101 7,300 200,000 SH X 3 X
COCA COLA CO COM 191216100 1,206 25,000 SH X 4 X
CONOCOPHILLIPS COM 20825C104 1,439 20,000 SH X 1 X
CONOCOPHILLIPS COM 20825C104 23,024 320,000 SH X 2 X
CONOCOPHILLIPS COM 20825C104 12,951 180,000 SH X 3 X
CONOCOPHILLIPS COM 20825C104 36,695 510,000 SH X 4 X
COSTCO WHSL CORP
NEW COM 22160K105 1,586 30,000 SH X 4 X
DTE ENERGY CO COM 233331107 5,810 120,000 SH X 2 X
DTE ENERGY CO COM 233331107 1,936 40,000 SH X 3 X
COLUMN 1 COLUMN 2 COLUMN 3 COLUMN 4 COLUMN 5 COLUMN 6 COLUMN 7 COLUMN 8
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INVESTMENT
MARKET DISCRETION VOTING AUTHORITY
NAME OF TITLE OF VALUE SHRS OR SH/ PUT/ SOLE SHRD OTHER SOLE SHRD NONE
ISSUER CLASS CUSIP (x$1000) PRN AMT PRN CALL (A) (B) (C) MANAGER (A) (B) (C)
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DARWIN
PROFESSIONAL
UNDERWRI COM 237502109 219,752 9,371 SH X 4 X
DEERE & CO COM 244199105 1,426 15,000 SH X 4 X
DEVON ENERGY CORP
NEW COM 25179M103 37,732 562,500 SH X 2 X
DEVON ENERGY CORP
NEW COM 25179M103 12,578 187,500 SH X 3 X
DISNEY WALT CO COM DISNEY 254687106 1,542 45,000 SH X 4 X
DOMINION RES INC
VA NEW COM 25746U109 11,318 135,000 SH X 2 X
DOMINION RES INC
VA NEW COM 25746U109 5,450 65,000 SH X 3 X
DOW CHEM CO COM 260543103 798 20,000 SH X 4 X
DU PONT EI DE
NEMOURS & CO COM 263534109 1,461 30,000 SH X 4 X
EXXON MOBIL CORP COM 30231G102 2,299 30,000 SH X 4 X
FEDEX CORP COM 31428X106 1,629 15,000 SH X 4 X
FIFTH THIRD BANCOP COM 316773100 819 20,000 SH X 4 X
GENERAL ELECTRIC
CO COM 369604103 1,674 45,000 SH X 4 X
GREAT PLAINS
ENERGY INC COM 391164100 3,180 100,000 SH X 2 X
GREAT PLAINS
ENERGY INC COM 391164100 1,908 60,000 SH X 3 X
HSBC HLDGS PLC SPON ADR NEW 404280406 18,330 200,000 SH X 2 X
HSBC HLDGS PLC SPON ADR NEW 404280406 9,165 100,000 SH X 3 X
HOME DEPOT INC COM 437076102 402 10,000 SH X 4 X
IDEARC INC COM 451663108 430 15,000 SH X 2 X
IDEARC INC COM 451663108 286 10,000 SH X 3 X
INTEL CORP COM 458140100 1,418 70,000 SH X 4 X
INTERNATIONAL
BUSINESS MACHS COM 459200101 1,166 12,000 SH X 4 X
INTUIT COM 461202103 610 20,000 SH X 4 X
LAUDER ESTEE COS
INC CL A 518439104 1,021 25,000 SH X 4 X
LIBERTY MEDIA HLDG
CORP CAP COM SER A 53071M302 539 5,500 SH X 4 X
LILLY ELI & CO COM 532457108 1,563 30,000 SH X 4 X
LINCOLN NATIONAL
CORP IND COM 534187109 1,193 17,963 SH X 4 X
MAGNA INTL INC CL A 559222401 5,369 66,650 SH X 2 X
MAGNA INTL INC CL A 559222401 2,686 33,350 SH X 3 X
MANPOWER INC COM 56418H100 1,499 20,000 SH X 4 X
MCCLATCHY CO COM 579489105 1,299 30,000 SH X 4 X
MEDTRONIC INC COM 585055106 1,605 30,000 SH X 4 X
MICROSOFT CORP COM 594918104 2,090 70,000 SH X 4 X
MILLIPORE CORP COM 601073109 1,332 20,000 SH X 4 X
NEWS CORP CL A 65248E104 1,504 70,000 SH X 4 X
NOBLE ENERGY INC COM 655044105 1,472 30,000 SH X 4 X
NORDSTROM INC COM 655664100 1,974 40,000 SH X 4 X
NOVARTIS AG SPONSORED ADR 66987V109 1,436 25,000 SH X 4 X
PFIZER INC COM 717081103 3,367 130,000 SH X 2 X
PFIZER INC COM 717081103 1,813 70,000 SH X 3 X
COLUMN 1 COLUMN 2 COLUMN 3 COLUMN 4 COLUMN 5 COLUMN 6 COLUMN 7 COLUMN 8
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INVESTMENT
MARKET DISCRETION VOTING AUTHORITY
NAME OF TITLE OF VALUE SHRS OR SH/ PUT/ SOLE SHRD OTHER SOLE SHRD NONE
ISSUER CLASS CUSIP (x$1000) PRN AMT PRN CALL (A) (B) (C) MANAGER (A) (B) (C)
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PROCTER & GAMBLE
CO COM 742718109 1,928 30,000 SH X 4 X
SCHLUMBERGER LTD COM 806857108 2,526 40,000 SH X 4 X
SIGMA ALDRICH CORP COM 826552101 1,166 15,000 SH X 4 X
SONY CORP ADR NEW 835699307 1,071 25,000 SH X 4 X
STATE STR CORP COM 857477103 1,012 15,000 SH X 4 X
TEXAS INSTRS INC COM 882508104 576 20,000 SH X 4 X
3M CO COM 88579Y101 1,714 22,000 SH X 4 X
VERIZON COMMUNI-
CATIONS COM 92343V104 11,172 300,000 SH X 2 X
VERIZON COMMUNI-
CATIONS COM 92343V104 7,448 200,000 SH X 3 X
WACHOVIA CORP
2ND NEW COM 929903102 1,139 20,000 SH X 4 X
WAL MART STORES
INC COM 931142103 1,847 40,000 SH X 4 X
WASHINGTON POST CO CL B 939640108 746 1,000 SH X 4 X
WEYERHAUSER CO COM 962166104 1,413 20,000 SH X 4 X
GRAND TOTAL 1,092,658 13,538,684