Current position

Warren Buffett’s Occidental Pete Corp (OXY) position

Reported position history, portfolio importance and verified filing changes from public SEC disclosures.

Berkshire HathawayVerified through Q2 2026
Relationship snapshot

At a glance

The full verified relationship, including prior ownership episodes and exits where supported.

First reportedQ3 2019Earliest verified positive filing snapshot
Latest statusCurrent positionBased on the latest supported relationship state
Peak shares264.94MHighest verified quarter-end share count
Quarters reported21Verified quarters with shares above zero
What happened?

Berkshire Hathaway first reported Occidental Pete Corp in Q3 2019. After an earlier exit, the position later appeared again in a verified filing. The reported position was increased across later filings. Berkshire Hathaway currently reports 264.94M shares. The latest verified filing showed: No change.

Verified SEC history

Position over time

See the same verified relationship through reported shares, portfolio weight or reported value.

Metric

Gaps indicate periods that cannot be safely connected or where a verified corporate action changes the raw share scale. Stock price, when available, is market context and not a transaction price.

Key filing events

What changed

Latest filing plus the most meaningful reported changes. Unchanged quarters are collapsed by default.

Q2 2026
No change264.94M shares reported
Filing context

Quarter-end price $48.57 · Estimated holding basis $58.28

Q1 2025
Bought 0.3% more+763.02K shares · 264.94M shares reported after the change
Filing context

Quarter-end price $49.36 · Estimated holding basis $58.28

Q4 2024
Bought 3.5% more+8.90M shares · 264.18M shares reported after the change
Filing context

Quarter-end price $49.41 · Estimated holding basis $58.31

Q2 2024
Bought 2.9% more+7.26M shares · 255.28M shares reported after the change
Filing context

Quarter-end price $63.03 · Estimated holding basis $58.62

Q1 2024
Bought 1.8% more+4.30M shares · 248.02M shares reported after the change
Filing context

Quarter-end price $64.99 · Estimated holding basis $58.49

Q4 2023
Bought 8.7% more+19.59M shares · 243.72M shares reported after the change
Filing context

Quarter-end price $59.71 · Estimated holding basis $58.38

8 unchanged quarters are collapsed by default.

Portfolio importance

How important is Occidental Pete Corp in Berkshire Hathaway’s reported portfolio?

Relative importance is measured only within the verified primary non-option reported portfolio for each quarter.

Current portfolio weight4.3%Q2 2026
Current rank#7of 29 reported positions
Peak portfolio weight6.5%Q1 2026
Best historical rank#6Q3 2022
At peak importanceQ1 2026
OXY
6.5%
Largest holding
22.0%
Cross-investor discovery

Who else owns Occidental Pete Corp?

Also reported by 1 other tracked investor in their latest verified filings.

Joel GreenblattGotham Asset Management
OXY0.1% of reported portfolio
Explore Occidental Pete Corp across all tracked investors →
SEC evidence & methodology

SEC filing evidence

Market context and filing-derived values are kept separate from actual transaction prices, which 13F filings do not disclose.

Latest verified stock price$58.842026-09-18

Market context only; not an investor transaction price.

Latest filing quarter-end price$48.57Q2 2026

Derived from validated reported value and shares where supported.

Estimated holding basis$58.28Historical reference — not actual purchase price

Calculated from supported filing history.

Latest verified investor filingQ2 2026 · filed 2026-08-14
Open SEC filing ↗

This tracker follows Berkshire Hathaway’s Form 13F disclosures. It is not Warren Buffett’s personal brokerage account, and 13F filings do not reveal exact trade dates or execution prices.