SuttonBrook Capital Partners, founded by John London and Steve Weinstein, is a multi-strategy fund with a penchant for event-driven investing. With an eye primarily on the U.S. exchanges, SuttonBrook Capital employs four main tactics: M&A activity, convertible arbitrage, relative value and special situation investing. According to most estimates, John London and Steve Weinstein's firm manages just under $1 billion in assets.