Fairfax, one other, approached investors on BlackBerry: source - Reuters

BlackBerry's biggest shareholder has approached several large Canadian investment funds about forging a deal to take the smartphone maker private, but the proposal is still "an airy-fairy, 'what if' kind of thing," according to a source with direct knowledge of the situation. The shareholder, Fairfax Financial Holdings Ltd., has a 10 percent stake. The funds, including Canada Pension Plan Investment Board and Ontario Teachers' Pension Plan, declined to comment.

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