Violinist Stefani Collins, violist Matthew Lipman and cellist Matthew Zalkind won first prizes at the Washington International Competition for Strings.

Collins, 23, is a student of Sylvia Rosenberg at the Juilliard School. Lipman, 20, studies with Heidi Castleman and Misha Amory, also at Juilliard. Zalkind, 25, is a student of Richard Aaron and Timothy Eddy at Juilliard and the University of Michigan. Each first-prize winner received $8,000.

Cellist Meta Weiss, 25, took second prize. Third prize went to 22-year-old violinist Ryan Meehan.