David Tepper pumped $520 million into Alibaba (BABA)

David Tepper's Appaloosa fund added a large stake in Alibaba in the second quarter.The fund added 3.69 million shares valued at $520.5 million, making it one of the top positions held by the fund.Alibaba has been a popular bet this quarter. Shares are up 74.48% this year and other funds, like Daniel Loeb'sThird Point, have added positions in the company in the second quarter.Appaloosa also added positions ina Nasdaq 100 ETF from PowerShares and a Nasdaq Biotech ETF from iShares. The fund also increased its shares in Alphabet and Facebook, while it decreased its holdings in Southwest and General Motors.Those changes were disclosed in an SEC filing which reflects the firm's second quarter holdings, and Appaloosa's positions could have changed since the filing.Alibaba was up 1.93% on Monday, the same day Appaloosa's filing was released.Click here to watch Alibaba's share price in real time...SEE ALSO:Billionaire hedge fund manager Daniel Loeb made a big bet on AlibabaJoin the conversation about this storyNOW WATCH: Wells Fargo Funds equity chief: Companies were being rendered obsolete long before Amazon emerged
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