(Bloomberg/Vlad Savov and Tom Metcalf) — Peter Thiel’s hedge fund Thiel Macro LLC sold off its holdings in Nvidia Corp. during the third quarter, marking another retreat from the leading provider of artificial-intelligence chips.

The fund offloaded its entire position of 537,742 shares in the world’s premier AI chipmaker, which would have been worth about $100 million based on the closing price from Sept. 30. The Thiel Macro fund now counts Apple Inc., Microsoft Corp. and a reduced stake in Tesla Inc. as its main bets, according to a 13F filing.

Thiel’s move comes at a time of rising concerns about an AI investment bubble, which turned Nvidia into the world’s most valuable company. Hedge fund manager Michael Burry has been perhaps the highest profile critic, disclosing bearish wagers aga

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