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, 2012
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: 28-14530
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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 131, 2012
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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)).
List of Other Managers Reporting for this Manager:
None.
Form 13F SUMMARY PAGE
Report Summary:
Number of Other Included Managers: 2
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Form 13F Information Table Entry Total: 8
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Form 13F Information Table Value Total: $ 379,366
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(thousands)
List of Other Included Managers:
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-
June 30, 2012
FORM 13F INFORMATION TABLE
Voting Authority
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Title
of Value Shares/ Sh/ Put/ Investment Other
Name of Issuer Class CUSIP (x$1000) Prn Amt Prn Call Discretion Managers Sole Shared None
-------------- ----- ----- -------- ------- --- ---- ----------- -------- ---- ------ ----
Clear Channel Outdoor
Holdings CL A 18451C109 1,488 247,199 SH DEFINED 1, 2 247,199
General Motors Company COM 37045V100 7,596 385,191 SH DEFINED 1, 2 311,047 74,144
General Motors Company W EXP 37045V118 13,855 1,257,254 SH DEFINED 1, 2 1,015,453 241,801
7/10/2016
General Motors Company W EXP 37045V126 23,206 3,421,154 SH DEFINED 1, 2 2,763,123 658,031
7/10/2019
Franklin Resources Inc. COM 354613101 96,770 871,876 SH DEFINED 1, 2 871,876
Kaiser Aluminum
Corporation COM 483007704 39,278 881,010 SH DEFINED 1, 2 881,010
Kaman Corp. COM 483548103 5,700 184,210 SH DEFINED 1, 2 184,210
PPG Industries Inc. COM 693506107 191,473 1,804,305 SH DEFINED 1, 2 1,804,305
REPORT SUMMARY 8 DATA RECORDS $379,366 ALL OTHER MANAGERS ON WHOSE BEHALF REPORT IS FILED - 2