Key TakeawaysThiel Macro LLC, Peter Thiel’s investment fund, revealed ownership of approximately 1.2 million ADS in Vista Energy valued at roughly $76 million at the end of Q2Shares of Vista Energy surged up to 5.77% during Monday’s premarket session following the public disclosure of the SEC filingAmong Thiel Macro’s holdings, the Vista Energy stake ranked as the fund’s second-biggest position, trailing only Amazon’s $118 million valuationEnergy sector bets dominated Thiel Macro’s portfolio, with six out of seven fresh positions targeting energy or utility firmsPeter Thiel established residency in Buenos Aires this year and has engaged in discussions with President Milei and top Argentine government figuresShares of Vista Energy (VIST) rallied by as much as 5.77% during Monday’s premarket session following regulatory filings that disclosed Peter Thiel’s investment vehicle, Thiel Macro LLC, had established a significant position in the Argentine shale oil company.Vista Energy, S.A.B. de C.V., VISTAccording to the regulatory document filed on Friday, Thiel Macro controlled roughly 1.2 million American Depositary Shares of Vista Energy as of the second quarter’s conclusion, representing a market value of approximately $76 million.This position established Vista Energy as Thiel Macro’s second-most significant publicly disclosed investment, surpassed only by Amazon, where the fund maintained approximately 495,000 shares worth about $118 million.Thiel Macro reported owning almost 1.2 million shares in Vista at the end of the second quarter, then worth about $76 million https://t.co/2lWYZBcqGx— Bloomberg (@business) August 15, 2026During the second quarter, Thiel Macro reconstructed its entire disclosed U.S. stock portfolio, bringing total holdings to over $400 million. This marked a dramatic shift after the fund reported no holdings whatsoever during the previous two reporting periods.A pronounced energy sector focus emerged as the defining characteristic. Among the fund’s seven newly initiated positions revealed in the regulatory disclosure, six targeted energy or utility sector companies.The energy-focused investments encompassed American Electric Power, DTE Energy, FirstEnergy, CMS Energy, X-Energy, and Vista Energy. Additionally, Thiel Macro reestablished its Vistra position, accumulating 372,755 shares worth approximately $59.1 million by Q2’s close.The Vaca Muerta OpportunityVista Energy maintains operations within Argentina’s Vaca Muerta shale formation, located in the Neuquén province, representing one of the planet’s most significant geological resource deposits.The Vaca Muerta formation contains the globe’s second-most extensive shale gas reserves alongside the fourth-largest shale oil deposits. Vista’s current production stands at approximately 160,000 barrels of oil equivalent daily, with more than $6.5 billion in capital investment throughout Argentina.This operational scale positions Vista as Argentina’s dominant independent energy producer and a prominent investment vehicle for exposure to the nation’s resource wealth.Peter Thiel’s Argentine PresenceThe investment carries additional significance beyond pure financial metrics. Thiel established Buenos Aires residency along with his family during the current year, acquiring residential property in the city.Following his April arrival, Thiel engaged in direct conversations with President Javier Milei at the Casa Rosada presidential residence, where economic policy formed the central discussion topic.Additional meetings occurred with Economy Minister Luis Caputo, Deregulation Minister Federico Sturzenegger, and Santiago Caputo, a key presidential adviser.The Milei government has implemented comprehensive economic restructuring initiatives specifically engineered to draw international investment capital toward Argentina’s natural resource industries, encompassing petroleum, lithium deposits, and rare earth element extraction.Thiel’s established connections within Argentina and direct relationships with government leadership suggest the Vista Energy investment represents more than standard portfolio allocation.VIST shares registered a 5.77% gain as of Monday morning during NYSE trading.The post Vista Energy (VIST) Stock Surges 6% Following Thiel Macro’s $76M Investment Disclosure appeared first on Blockonomi.