FORM 13F HOLDINGS REPORT

Company

Arthur J. Gallagher & Co.

Filed

February 10, 2012

Period of Report

December 31, 2011

Accession Number

0001019687-12-000413

A 13F is a quarterly report filed by institutional investment managers with over $100M in assets, disclosing their equity holdings. Learn more about 13F-HR filings →