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Peter Thiel’s hedge fund takes $76m stake in Argentina’s Vaca Muerta oil producer Vista

Reported by Hedgeweek ·Business-standard ·Investopedia +2 more
Aug 17, 2026· 2 min read
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Key Takeaways
  • • Thiel Macro, the hedge fund of billionaire Peter Thiel, acquired a position of roughly $76m in Vista, an Argentine oil producer, per an SEC filing reported by Reuters.
  • • The fund bought approximately 1.2 million American Depositary Shares, representing around 1% of Vista's outstanding capital.
  • • The stake gives Thiel Macro exposure to Vaca Muerta, one of Argentina's key shale basins.
  • • The SEC filing shows Thiel Macro's total reported portfolio at approximately $418.7m, including Amazon, Vistra and several US power companies.
  • • The position follows Thiel's growing engagement with Argentina, including April talks with President Javier Milei on economic policy and opposition to wealth taxes.
Summary
Peter Thiel's Macro hedge fund has acquired a position of roughly $76m in Vista, the Argentine oil producer operating in the Vaca Muerta shale basin, according to a report by Reuters citing a US Securities and Exchange Commission filing. The filing shows the fund bought approximately 1.2 million American Depositary Shares, equal to around 1% of the company's outstanding capital.

The investment adds a significant Argentine energy exposure to a portfolio that the filing shows is otherwise weighted toward technology, electricity and broader energy businesses. According to the SEC filing, Thiel Macro's portfolio was worth approximately $418.7m, with other disclosed holdings including Amazon, Vistra and a range of US power companies. Those energy holdings include American Electric Power, DTE Energy, FirstEnergy, CMS Energy and nuclear-energy company X-Energy, reflecting a broader focus on power and energy infrastructure alongside technology.

Thiel, the venture capitalist and Palantir co-founder, has taken a growing interest in Argentina. He met President Javier Milei at the presidential palace in April, where the pair discussed economic policy and Milei's opposition to wealth taxes. Local media have also reported that Thiel recently purchased a property in an affluent Buenos Aires neighbourhood.

The position gives the fund direct exposure to one of the key operators in Vaca Muerta, a basin that has drawn sustained institutional interest as Argentina's energy sector develops.

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Sources

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