Published:
Shares of Under Armour Inc. got a boost after hours on Monday after Fairfax Financial Holdings continued to build up a large stake in the athleisure giant, whose stock has struggled over the past year.
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filing on Monday showed that as of Dec. 30, Fairfax owned a little under 42 million shares of Under Armour UAA, representing a stake of around 22%. Over the past month, the Toronto-based firm has disclosed other investments in Under Armour. Fairfax was founded in 1985 by Prem Watsa, who has over the years has occasionally been called the “Warren Buffett of Canada.”

