https://www.live-feeds.com/feed/billionaire-peter-thiel-buys-1-stake-in-argentine-vaca-muerta-oil-firm-filing-showsContinuously updated, source-cited coverage. https://www.live-feeds.com/feed/billionaire-peter-thiel-buys-1-stake-in-argentine-vaca-muerta-oil-firm-filing-showshttps://www.live-feeds.com/feed/billionaire-peter-thiel-buys-1-stake-in-argentine-vaca-muerta-oil-firm-filing-shows#u44506Mon, 17 Aug 2026 15:30:30 +0000Billionaire Peter Thiel has purchased a 1% interest in Vista Energy, an Argentine shale oil exporter operating in the Vaca Muerta region. Public filings confirm the investment in the NYSE-listed firm. This move signals a shift in Thiel's portfolio, as reports indicate his second-largest investment is no longer a technology stock. The acquisition coincides with Thiel's planned appearance at a libertarian summit in Buenos Aires, where he is expected to engage with the mining sector and far-right political figures from Chile.Why it mattersVista Energy is a key player in Argentina's