UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
Form 13F
Form 13F COVER PAGE
Report for the Calendar Year or Quarter Ended: June 30, 2011
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: Arthur J. Gallagher & Co.
Address: Two Pierce Place
Itasca, Illinois 60143
Form 13F File Number: 28-
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: April J. Hanes-Dowd
Title: Assistant Secretary
Phone: (630) 773-3800
Signature, Place, and Date of Signing:
/s/ April J. Hanes-Dowd Itasca, Illinois August 12, 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)).
List of Other Managers Reporting for this Manager:
Form 13F SUMMARY PAGE
Report Summary:
Number of Other Included Managers: __2_________________
Form 13F Information Table Entry Total: __4_________________
Form 13F Information Table Value Total: $_460,046___________
(thousands)
Provide a numbered list of the name(s) and Form 13F file number(s) of all
institutional investment managers with respect to which this report is filed,
other than the manager filing this report.
No. Form 13F File Number Name
1 28-__________________ Gallagher Fiduciary Advisors, LLC
2 28-__________________ Gallagher Benefit Services, Inc.
-2-
COLUMN 1 COLUMN 2 COLUMN 3 COLUMN 4 COLUMN 5 COLUMN 6 COLUMN 7 COLUMN 8
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VOTING AUTHORITY
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SHRS
OR
TITLE OF VALUE PRN SH/ PUT/ INVESTMENT OTHER
NAME OF ISSUER CLASS CUSIP (x$1000) AMT PRN CALL DISCRETION MANAGERS SOLE SHARED NONE
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Franklin Resources Inc. COM 354613101 113069 861213 SH DEFINED 1, 2 861213
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Kaiser Aluminum Corporation COM 483007704 147278 3306938 SH DEFINED 1, 2 3306938
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PPG Industries Inc. COM 693506107 171788 1804305 SH DEFINED 1, 2 1804305
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Solutia Inc. COM 834376501 27911 1221493 SH DEFINED 1, 2 1221493
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