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13D/A · Passive 13G

Berkshire Hathaway → OXY

Warren Buffett / Berkshire Hathaway holds 28.2% of Occidental Petroleum Corporation.

Stake
28.2%
Shares held
252.0M
Latest filing
2024-06-18
Initial filing
2022-03-04
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SEC source

EDGAR · 13D/A
https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=0000797468&type=SC%2013D ↗
Filed 13D despite no activist intent — required once crossing 10%. OxyUSA is largest 13D/holding >10% by a passive investor on file.

More on OXY

Hedge fund ownership
OXY logoWho else owns OXY
Tracked superinvestor positions, live quote, smart-money activity
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Frequently asked questions

What stake does Berkshire Hathaway hold in OXY?

Berkshire Hathaway (Warren Buffett / Berkshire Hathaway) holds 28.2% of Occidental Petroleum Corporation (OXY) via 13D/A filed 2024-06-18. Initial filing date: 2022-03-04. Passive 13G — fund signals long-term holding without active campaign.

What is Berkshire Hathaway's thesis for OXY?

Passive accumulation past 10% threshold. Buffett has stated no intent to take majority. Position built Feb 2022 onward.

What's the difference between 13D and 13G filings?

Both are filed when a fund crosses 5% ownership of a public company. SCHEDULE 13D = active intent (the fund plans to influence management, board, M&A, or capital allocation). SCHEDULE 13G = passive intent (long-term position, no active influence). 13D filings carry stricter disclosure (10-day window from purchase); 13G is for long-only managers + index funds. OXY filing type: 13D/A.

Where does HoldLens get activist filing data?

SEC EDGAR Schedule 13D and 13G filings (10-day disclosure window for 13D; 45-day initial window for 13G then amendments as positions change). HoldLens federates campaigns across tracked activist funds and computes stake-change deltas over time. See /methodology for the full source list.

Data sourced from SEC EDGAR 13D / 13G filings. Activist intent and outcome reflect public disclosures and announcements only. Not investment advice.

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