Jim Balsillie, the former co-CEO of Research in Motion (now known as BlackBerry), has been until recently the third-largest shareholder in the company with 5.1 percent ownership. According to Financial Post, however, he's cut his stake in BlackBerry altogether, now reporting a grand total of zero shares. Balsillie stepped down as co-CEO in January and resigned from the board in March; this next big move away from the company will likely lead to speculation that his interest or faith in
