Warren Buffett’s $9.7 billion acquisition of OxyChem from Occidental Petroleum was what you might call an interfamily negotiation. Buffett’s biggest deal since 2021 and perhaps his last big deal as CEO of Berkshire Hathaway (BRKB) came with Berkshire’s sixth-largest equity holding on the other side of the table. Berkshire’s latest disclosures show that it owned nearly 265 million shares of…
