FORM 13F HOLDINGS REPORT

Company

Arthur J. Gallagher & Co.

Filed

November 8, 2011

Period of Report

September 30, 2011

Accession Number

0001019687-11-003415

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 →