XOP - Buffett Buys Oil And Gas Stocks: Chevron And Occidental Petroleum June, 27 2022 11:11 AM SPDR S&P Oil & Gas Explor & Product Buffett has been buying OXY and Chevron recently in size. Buffett's history in oil and gas investments is poorly understood. Considering Buffett's history, his purchases are meaningful. For further details see: Buffett Buys Oil And Gas Stocks: Chevron And Occidental Petroleum