Tech guru has curbed position in solar company 3 times in October. : Chase Coleman (Trades, Portfolio), founder of Tiger Global Management and one of Julian Robertson (Trades, Portfolio)'s former "tiger cubs," disclosed he trimmed his stake in Sunrun Inc. RUN (NASDAQ:RUN) for the third time this month. The guru's New York-based hedge fund is known for focusing on small-cap stocks and technology startups, having become an early investor in Facebook Inc. FB (NASDAQ:FB) and Spotify Technology SA (NYSE:SPOT).