Harley-Davidson has been Impala s largest U.S. long since the second quarter of 2020. (George Frey/Bloomberg) Impala Asset Management is on a roll.Through April, the hedge fund firm headed by Tiger Cub Robert Bishop has posted a 34.7 percent gain in its flagship Impala Fund and a 43.8 percent gain in Impala Resource Fund, according to the firm’s first quarter letter seen by Institutional Investor.Given the To continue reading, subscribe now to Premium Journalism. Already a subscriber? Login. Related Content