Occidental Petroleum Corp
OXY · US
Occidental Petroleum Corp is held by 3 of the 24 tracked investors in their latest 13F filings. The largest position is Berkshire Hathaway's at $12.9B, 4.30% of that portfolio. Versus the prior quarter, 1 added, 1 trimmed and 0 bought new.
Big investors holding this stock
Latest 13F of the 24 tracked investors. Common shares only.
| Investor | Value ($) | vs prior quarter |
|---|---|---|
| Berkshire Hathaway weight 4.30% · Q2 2026 |
12.9B | – |
| National Pension Service (Korea) weight 0.04% · Q2 2026 |
55.5M | ▼ 1% |
| Korea Investment Corporation weight 0.04% · Q2 2026 |
18.9M | ▲ 138% |
Questions
Which big investors own Occidental Petroleum Corp?
Berkshire Hathaway ($12.9B), National Pension Service (Korea) ($55.5M), Korea Investment Corporation ($18.9M), per their latest 13F filings.
Does Warren Buffett own Occidental Petroleum Corp?
Yes. Berkshire Hathaway reported $12.9B (4.30% of its 13F portfolio) as of 2026-06-30.
Does Korea's National Pension Service own Occidental Petroleum Corp?
Yes, $55.5M as of 2026-06-30 (0.04% of its US holdings).
Restated and computed from SEC (13F, 13D/G, Form 4) and DART filings and NPS public data. Filings describe a past date and may differ from current holdings (13F: quarter end, up to 45 days later). Not investment advice.
Sources: SEC EDGAR, DART, data.go.kr (NPS), OpenFIGI. See Methodology for how figures are computed.