Chart o’ the Day: Icahn Haz Profits? Posted May 21, 2013 by Joshua M Brown Carl Icahn filed his 13D on Halloween, October 31st 2012. The stock was at 66 before his announcement hit. Get ’em Carl. hat tip @michaelbatnick Now go talk about it. facebook twitter linkedin Read this next.August 13, 2013 Carl Icahn announces his next big investing idea. On Twitter…where else?May 21, 2012 Hedge Fund Heatmapping at Street of WallsMay 17, 2013 Chart o’ the Day: Buy Monday, Sell Tuesday.