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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 [X]; Amendment Number: 2
This Amendment (Check only one.): [_] is a restatement.
[X] 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: 28-14530
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 September 8, 2011
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[Signature] [City, State] [Date]
Explanatory Note:
Due to an inadvertent administrative error, the Form 13F filed by this reporting
manager on August 12, 2011 did not contain the General Motors Company holdings
listed below.
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:
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Form 13F SUMMARY PAGE
Report Summary:
Number of Other Included Managers: 2
Form 13F Information Table Entry Total: 3
Form 13F Information Table Value Total: $ 230,043
(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 28-14533 Gallagher Fiduciary Advisors, LLC
2 28-14532 Gallagher Benefit Services, Inc.
-2-
COLUMN 1 COLUMN 2 COLUMN 3 COLUMN 4 COLUMN 5 COLUMN 6 COLUMN 7 COLUMN 8
SHRS
NAME OF ISSUER TITLE OF VALUE OR PRN SH/ PUT/ INVESTMENT OTHER VOTING AUTHORITY
CLASS CUSIP (x$1000) AMT PRN CALL DISCRETION MANAGERS SOLE SHARED NONE
General Motors
Company COM 37045V100 39671 1306685 SH DEFINED 1, 2 1055329 251356
General Motors W EXP
Company 7/10/2016 37045V118 66104 2177350 SH DEFINED 1, 2 1758571 418779
General Motors W EXP
Company 7/10/2019 37045V126 124268 3423350 SH DEFINED 1, 2 2764881 658469