Occidental Petroleum
1,121 hedge funds and large institutions have $31.4B invested in Occidental Petroleum in 2025 Q4 according to their latest regulatory filings, with 162 funds opening new positions, 324 increasing their positions, 449 reducing their positions, and 171 closing their positions.
29% more call options, than puts
Call options by funds: $1.83B | Put options by funds: $1.42B
0.2% more ownership
Funds ownership: 77.33% → 77.53% (+0.2%)
5% less first-time investments, than exits
New positions opened: 162 | Existing positions closed: 171
3% less funds holding
Funds holding: 1,153 → 1,121 (-32)
12% less funds holding in top 10
Funds holding in top 10: 17 → 15 (-2)
13% less capital invested
Capital invested by funds: $36B → $31.4B (-$4.55B)
28% less repeat investments, than reductions
Existing positions increased: 324 | Existing positions reduced: 449
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Citadel Advisors
Miami,
Florida
|
+$98.9M |
| 2 |
Susquehanna International Group
Bala Cynwyd,
Pennsylvania
|
+$81.6M |
| 3 |
Dimensional Fund Advisors
Austin,
Texas
|
+$78.6M |
| 4 |
Two Sigma Investments
New York
|
+$70.2M |
| 5 |
UBS AM
Chicago,
Illinois
|
+$58.2M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
HighTower Advisors
Chicago,
Illinois
|
-$91.4M |
| 2 |
American Century Companies
Kansas City,
Missouri
|
-$90M |
| 3 |
Morgan Stanley
New York
|
-$77.3M |
| 4 |
Pacer Advisors
Malvern,
Pennsylvania
|
-$77M |
| 5 |
Renaissance Technologies
New York
|
-$69.1M |
OXY Hedge Fund Activity: Q4 2025 in Review
1,121 of the 8,264 institutional investors tracked by Wall St. Rank reported a position in Occidental Petroleum (OXY) for Q4 2025, worth a combined $31.4B — down 13% from $36B a quarter earlier.
Sellers outnumbered buyers: 171 funds closed out of OXY and 162 opened new positions — a net loss of 9 holders — while 449 trimmed existing stakes and 324 added.
The largest buyer was Citadel Advisors, adding an estimated $98.9M. The largest seller was HighTower Advisors, cutting an estimated $91.4M.
- 1,121 institutional investors held Occidental Petroleum (OXY) as of Q4 2025, down from 1,153 in Q3 2025.
- Funds reported $31.4B of Occidental Petroleum stock for Q4 2025, down 13% quarter-over-quarter.
- 162 funds opened new Occidental Petroleum positions in Q4 2025 and 171 closed out, a net change of -9 holders.
- The largest Occidental Petroleum buyer in Q4 2025 was Citadel Advisors, an estimated $98.9M added.
- The largest Occidental Petroleum seller in Q4 2025 was HighTower Advisors, an estimated $91.4M sold.
Based on aggregated 13F filings for Q4 2025.