O'Leary is teaming up with billionaire Frank McCourt to make a play for the app, which faces a nationwide-looking U.S. ban.

U.S. President-elect Donald Trump says he would use economic force to annex Canada. Canadian celebrity investor Kevin O’Leary ...

"Kevin and I, along with the thousands of supporters who have come forward to back The People's Bid, firmly believe we can build a better TikTok," McCourt said.

Kevin O'Leary, Shark Tank's "wonderful" investor, has revealed his plan to purchase TikTok's US operations in an extraordinary move consistent with his business approach and risk-taking personality.