Oceaneering International Inc
OII- Exchange
- NYSE
- Industry
- Oil & Gas Field Services, NEC
- SEC CIK
- 0000073756
In the last 90 days, Oceaneering International Inc insiders filed 0 open-market purchases and 4 sales; 376 institutions reported holding it in 13F filings for Q2 2026, worth $4.22B in total; no superinvestor holds it.
13F holders, Q4 2025
Institutional positions in Oceaneering International Inc as of Dec 31, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 314
- +22 vs. Q3 2025
- Shares held
- 100.1M
- +5.35M (+5.6%) vs. Q3 2025
- Total value
- $2.41B
- +$57.8M (+2.5%) vs. Q3 2025
- New holders
- 48
- 113 more added
- Sold out
- 26
- 108 more reduced
9 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting OII on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 376 | $4.22B |
| Q1 2026 | 367 | $3.61B |
| Q4 2025 | 314 | $2.41B |
| Q3 2025 | 301 | $2.37B |
| Q2 2025 | 288 | $1.99B |
| Q1 2025 | 286 | $2.10B |
| Q4 2024 | 287 | $2.62B |
| Q3 2024 | 260 | $2.51B |
| Q2 2024 | 234 | $2.36B |
| Q1 2024 | 233 | $2.24B |
| Q4 2023 | 235 | $2.01B |
| Q3 2023 | 243 | $2.39B |
| Q2 2023 | 224 | $1.76B |
| Q1 2023 | 228 | $1.67B |
| Q4 2022 | 206 | $1.63B |
| Q3 2022 | 200 | $725.9M |
| Q2 2022 | 200 | $986.3M |
| Q1 2022 | 220 | $1.36B |
| Q4 2021 | 200 | $984.8M |
| Q3 2021 | 196 | $1.16B |
| Q2 2021 | 190 | $1.37B |
| Q1 2021 | 179 | $994.6M |
Institutions, Q4 2025
Shares, value and share of portfolio for each institution holding Oceaneering International Inc; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Charles Schwab Investment Management Inc | 1,442,874 | $34.7M | 0.01% | +25,451+1.8% | Added |
| Van Eck Associates Corp | 1,500,057 | $36.0M | 0.03% | +170,762+12.8% | Added |
| Loomis Sayles & Co L P | 1,831,434 | $44.0M | 0.05% | −65,603−3.5% | Reduced |
| Geode Capital Management, LLC | 2,304,738 | $55.4M | 0.00% | +51,871+2.3% | Added |
| Greenhouse Funds LLLP | 2,468,260 | $59.3M | 2.29% | −23,543−0.9% | Reduced |
| Neuberger Berman Group LLC | 3,335,121 | $80.1M | 0.06% | −204,437−5.8% | Reduced |
| Dimensional Fund Advisors LP | 3,477,068 | $83.6M | 0.02% | +191,117+5.8% | Added |
| American Century Companies Inc | 3,608,090 | $86.7M | 0.04% | −34,783−1.0% | Reduced |
| Earnest Partners LLC | 3,791,599 | $91.1M | 0.39% | −225,099−5.6% | Reduced |
| Morgan Stanley Institutional Investment Advisors LLC | 3,947,022 | $94.8M | 10.03% | +3,947,022 | New |
| State Street Corp | 4,647,252 | $111.7M | 0.00% | +215,366+4.9% | Added |
| Brown Advisory Inc | 7,426,981 | $178.5M | 0.25% | −275,282−3.6% | Reduced |
| Vanguard Group Inc | 12,371,147 | $297.3M | 0.00% | +187,707+1.5% | Added |
| BlackRock, Inc. | 16,003,350 | $384.6M | 0.01% | +334,417+2.1% | Added |
| SummitTX Capital, L.P. | 0 | $0 | 0.00% | −226,802−100.0% | Sold out |
| Empowered Funds, LLC | 0 | $0 | 0.00% | −125,279−100.0% | Sold out |
| Campbell & CO Investment Adviser LLC | 0 | $0 | 0.00% | −46,616−100.0% | Sold out |
| Fox Run Management, L.L.C. | 0 | $0 | 0.00% | −38,023−100.0% | Sold out |
| ISAM Funds (UK) Ltd | 0 | $0 | 0.00% | −18,887−100.0% | Sold out |
| Dynamic Technology Lab Private Ltd | 0 | $0 | 0.00% | −18,457−100.0% | Sold out |
| Aristeia Capital LLC | 0 | $0 | 0.00% | −16,061−100.0% | Sold out |
| Aigen Investment Management, LP | 0 | $0 | 0.00% | −12,539−100.0% | Sold out |
| Bridgefront Capital, LLC | 0 | $0 | 0.00% | −11,819−100.0% | Sold out |
| Healthcare of Ontario Pension Plan Trust Fund | 0 | $0 | 0.00% | −10,000−100.0% | Sold out |
| R Squared Ltd | 0 | $0 | 0.00% | −9,259−100.0% | Sold out |
| Commonwealth Equity Services, LLC | 0 | $0 | 0.00% | −8,980−100.0% | Sold out |
| Inspire Advisors, LLC | 0 | $0 | 0.00% | −8,846−100.0% | Sold out |
| Dark Forest Capital Management LP | 0 | $0 | 0.00% | −8,127−100.0% | Sold out |
| Omers Administration Corp | 0 | $0 | 0.00% | −8,100−100.0% | Sold out |
| Wealthspire Advisors, LLC | 0 | $0 | 0.00% | −216−100.0% | Sold out |
| MAI Capital Management | 0 | $0 | 0.00% | −195−100.0% | Sold out |
| Principal Securities, Inc. | 0 | $0 | 0.00% | −72−100.0% | Sold out |
| Atlantic Trust, LLC | 0 | $0 | 0.00% | −58−100.0% | Sold out |
| Salem Investment Counselors Inc | 0 | $0 | 0.00% | −50−100.0% | Sold out |
| Bell Investment Advisors, Inc | 0 | $0 | 0.00% | −36−100.0% | Sold out |
| UMA Financial Services, Inc. | 0 | $0 | 0.00% | −20−100.0% | Sold out |
| Advisory Services Network, LLC | 0 | $0 | 0.00% | −11−100.0% | Sold out |
| JPL Wealth Management, LLC | 0 | $0 | 0.00% | −5−100.0% | Sold out |
| True Wealth Design, LLC | 0 | $0 | 0.00% | −2−100.0% | Sold out |
| Cloud Capital Management, LLC | 0 | $0 | 0.00% | −9−100.0% | Sold out |
| Cubist Systematic Strategies, LLC | – | – | – | – | Not filed |
| EFG Asset Management (North America) Corp. | – | – | – | – | Not filed |
| AXA Investment Managers S.A. | – | – | – | – | Not filed |
| CIBC Bancorp USA Inc. | – | – | – | – | Not filed |
| Shell Asset Management Co | – | – | – | – | Not filed |
| Point72 Asia (Singapore) Pte. Ltd. | – | – | – | – | Not filed |
| Point72 (DIFC) Ltd | – | – | – | – | Not filed |
| Point72 Europe (London) LLP | – | – | – | – | Not filed |
| Hemington Wealth Management | – | – | – | – | Not filed |