Throughout 2023, the Oracle of Omaha and his investment aides, Todd Combs and Ted Weschler, were very selective about their purchases. One core holding that's continued to see somewhat regular additions is energy stock Occidental Petroleum (OXY 0.56%).
https://www.fool.com/investing/2024/03/04/warren-buffett-latest-buy-74-billion-in-6-years/