Janney Montgomery Scott LLC raised its position in Arthur J. Gallagher & Co. (NYSE:AJG – Free Report) by 98.4% in the second quarter, HoldingsChannel.com reports. Janney Montgomery Scott LLC’s holdings in Arthur J. Gallagher & Co. were worth $20,177,000 as of its most recent SEC filing. Get Arthur J. Gallagher & Co. alerts:Insider Activity at Arthur J. Gallagher & Co. View Our Latest Analysis on AJGAbout Arthur J. Gallagher & Co.(Free Report)Arthur J. Gallagher & Co engages in the provision of insurance brokerage, reinsurance brokerage, consulting, and third-party claims settlement and administration services. Receive 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.