When Eli Weinberg looks back on his life, it's going to be the "known unknowns" that he might most lament. The co-managing partner as SPO Partners and former Goldman Sachs analyst recognizes that it is what couldn’t be predicted that was part causation for his value-based hedge fund closing Thursday, as first reported by ValueWalk. Nearly 50 years after the hedge fund founded known for a concentrated portfolio was founded, one of the early Warren Buffett disciple hedge funds realized that “known and unknown risks” were issues with some of his stock picks.