Position: 1,376,050 Percent of Arconic outstanding: 0.28% Potential loss: $4.4 million Source: BloombergPosition: 1,539,091 Percent of Arconic outstanding: 0.32% Potential loss: $4.9 million Citadel did not immediately respond to request for comment. Source: BloombergPosition: 1,783,500 Percent of Arconic outstanding: 0.37% Potential loss: $5.7 million Source: BloombergPosition: 4,923,816 Percent of Arconic outstanding: 1.02% Potential loss: $15.8 million Source: BloombergPosition: 6,945,000 Percent of Arconic outstanding: 1.44% Potential loss: $22.2 million Source: BloombergPosition: 8,500,768 Percent of Arconic outstanding: 1.76% Potential loss: $27.2 million Source: BloombergPosition: 51,902,133 Percent of Arconic outstanding: 10.74% Potential loss: $166.1 million Elliott Management did not immediately respond to request for comment. Source: BloombergSome of the biggest names in the hedge-fund industry may have gotten whacked by betting on PG&E at exactly the wrong time