New York State Common Retirement Fund owned about 0.13% of Arthur J. Gallagher & Co. worth $101,483,000 at the end of the most recent quarter. Sands Capital Management LLC grew its holdings in Arthur J. Gallagher & Co. by 453.3% during the second quarter. Here are the key news stories impacting Arthur J. Gallagher & Co. this week:Insider Transactions at Arthur J. Gallagher & Co. About Arthur J. Gallagher & Co.(Free Report)Arthur J. Gallagher & Co is a global insurance brokerage and risk management firm headquartered in Rolling Meadows, Illinois. Featured ArticlesReceive News & Ratings for Arthur J. Gallagher & Co. Daily - Enter your email address below to receive a concise daily summary of the latest news and analysts' ratings for Arthur J. Gallagher & Co. and related companies with MarketBeat.com's FREE daily email newsletter.