Why Buffett's OXY stake changes the trading calculus
Warren Buffett began accumulating OXY in 2022 and has since built Berkshire Hathaway's position to over 28% of the company. This is not a passive index holding — Buffett has received regulatory approval to acquire up to 50%, signaling potential for further accumulation. The Berkshire presence creates an unusual dynamic: when OXY sells off sharply, there is a reasonable probability that Berkshire is buying on the dip, which creates a quasi-floor.
For traders, the Berkshire angle means two things: first, OXY is less likely to experience the catastrophic drawdowns that plague smaller energy names because institutional confidence in the management team is elevated; second, news of Berkshire buying more shares (disclosed quarterly in 13F filings and monthly in 13D/A amendments) can act as a positive catalyst.
- Berkshire 13F and 13D/A filings reveal accumulation activity — these are published with a delay.
- Buffett's OXY thesis is based on Permian Basin assets and the low-carbon business — not just oil prices.
- The Berkshire stake creates an informal support level — aggressive sellers compete with patient Buffett buying.