Occidental Petroleum Corporation
Occidental Petroleum Corporation (OXY) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · OXY · as of Mar 31, 2025
Ownership Breakdown
1,277
Institutional Holders
▼ 22 vs Q4
$36.62B
Total Inst. Value
▲ $1.09B vs Q4
994.63M
Shares Outstanding
freeFloat 99.59%
742.33M
13F Shares Held
▲ 23.17M vs Q4
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
OXY largest shareholders · institutional ownership
Q1 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
BERKSHIRE HATHAWAY INC crude petroleum & natural gas | 264.94M | 28.15% | 28.15% | $13.08T | May 15, 2025 | ▲ 763.0K |
DODGE & COX crude petroleum & natural gas | 80.84M | 8.59% | 8.59% | $3.99T | May 14, 2025 | ▲ 10.84M |
VANGUARD GROUP INC crude petroleum & natural gas | 80.23M | 8.52% | 8.52% | $3.96T | May 9, 2025 | ▲ 12.11M |
BLACKROCK, INC. crude petroleum & natural gas | 43.09M | 4.58% | 4.58% | $2.13T | May 2, 2025 | ▲ 792.4K |
STATE STREET CORP crude petroleum & natural gas | 38.43M | 4.08% | 4.08% | $1.91T | May 15, 2025 | ▼ 1.46M |
GEODE CAPITAL MANAGEMENT, LLC crude petroleum & natural gas | 14.82M | 1.57% | 1.57% | $728.90B | May 13, 2025 | ▲ 577.3K |
H&H INTERNATIONAL INVESTMENT, LLC crude petroleum & natural gas | 13.83M | 1.47% | 1.47% | $682.46B | May 15, 2025 | ▲ 249.1K |
MORGAN STANLEY crude petroleum & natural gas | 12.24M | 1.30% | 1.30% | $604.11B | May 15, 2025 | ▼ 1.96M |
DIMENSIONAL FUND ADVISORS LP crude petroleum & natural gas | 8.13M | 86.35% | 86.35% | $401.16B | May 13, 2025 | ▲ 710.2K |
SUSQUEHANNA INTERNATIONAL GROUP, LLP crude petroleum & natural gas | 7.69M | 81.71% | 81.71% | $379.63B | May 14, 2025 | ▼ 2.98M |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q1 2025 vs prior quarter
Q1 2025
27
Increased
+45.52M shares1
New Positions
first time holders20
Decreased
−15.55M shares0
Sold Out
fully exitedNet shares change (top 50)
+29.96M
+45.52M / −15.55M
Net new holders
+8
1 new / 0 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
OXY insider trading · insider activity
Source: SEC Form 4
10
Buy transactions
8
Sell transactions
1.25
Buy/Sell ratio
$0M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
Jackson Richard A. President and CEO | Jun 1, 2026 | Award | 101,833 | — | — | 439.3K | Form 4 ↗ |
Hollub Vicki A. director | Jun 1, 2026 | Award | 3,183 | — | — | 1.11M | Form 4 ↗ |
Hollub Vicki A. director | Jun 1, 2026 | Tax Withhold | 701 | $58.92 | $41.3K | 1.11M | Form 4 ↗ |
Hollub Vicki A. director | Jun 1, 2026 | Tax Withhold | 73,477 | $58.92 | $4.33M | 1.04M | Form 4 ↗ |
MOORE JACK B director | May 4, 2026 | Award | 6,720 | — | — | 77.9K | Form 4 ↗ |
MOORE JACK B director | May 4, 2026 | Tax Withhold | 1,479 | $60.27 | $89.1K | 76.4K | Form 4 ↗ |
BAILEY VICKY A director | May 4, 2026 | Award | 3,734 | — | — | 16.7K | Form 4 ↗ |
BAILEY VICKY A director | May 4, 2026 | Tax Withhold | 1,223 | $60.27 | $73.7K | 15.5K | Form 4 ↗ |
Robinson Kenneth B. director | May 4, 2026 | Award | 4,149 | — | — | 16.3K | Form 4 ↗ |
Robinson Kenneth B. director | May 4, 2026 | Tax Withhold | 913 | $60.27 | $55.0K | 15.4K | Form 4 ↗ |
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
Occidental Petroleum Corporation (OXY) is primarily owned by institutional investors, who hold approximately 74.6% of total shares outstanding. Company insiders own approximately 0.41%, while retail and public investors account for the remaining 24.96%.
The largest institutional shareholder of Occidental Petroleum Corporation is BERKSHIRE HATHAWAY INC, holding approximately 264.94 million shares — equal to 28.15% of outstanding shares — as of March 31, 2025.
A total of 1,277 institutional investors currently hold OXY stock, with a combined institutional value of approximately $36.62 billion as of the most recent 13F filing period.
Frequently asked questions
OXY ownershipOccidental Petroleum Corporation (OXY) is primarily owned by institutional investors, who hold approximately 74.6% of shares. The largest shareholder is BERKSHIRE HATHAWAY INC with a 28.15% stake. Company insiders hold 0.41%. Data sourced from SEC Form 13F as of March 31, 2025.