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, Q3 2025
Institutional positions in Oceaneering International Inc as of Sep 30, 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
- 301
- +17 vs. Q2 2025
- Shares held
- 95.6M
- −133.6K (−0.1%) vs. Q2 2025
- Total value
- $2.37B
- +$385.4M (+19.4%) vs. Q2 2025
- New holders
- 46
- 108 more added
- Sold out
- 29
- 102 more reduced
4 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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, Q3 2025
Shares, value and share of portfolio for each institution holding Oceaneering International Inc; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Cloud Capital Management, LLC | 9 | $0 | 0.00% | +9 | New |
| Erste Asset Management GmbH | 0 | $0 | 0.00% | −400−100.0% | Sold out |
| HRT Financial LP | 0 | $0 | 0.00% | −100,457−100.0% | Sold out |
| Zacks Investment Management | 0 | $0 | 0.00% | −71,887−100.0% | Sold out |
| Aquatic Capital Management LLC | 0 | $0 | 0.00% | −46,245−100.0% | Sold out |
| Centiva Capital, LP | 0 | $0 | 0.00% | −32,019−100.0% | Sold out |
| XTX Topco Ltd | 0 | $0 | 0.00% | −25,620−100.0% | Sold out |
| Corigliano Investment Advisers, LLC | 0 | $0 | 0.00% | −25,500−100.0% | Sold out |
| Oxford Asset Management LLP | 0 | $0 | 0.00% | −20,896−100.0% | Sold out |
| Two Sigma Advisers, LP | 0 | $0 | 0.00% | −19,800−100.0% | Sold out |
| Graham Capital Management, L.P. | 0 | $0 | 0.00% | −18,585−100.0% | Sold out |
| Magnetar Financial LLC | 0 | $0 | 0.00% | −17,181−100.0% | Sold out |
| AXA S.A. | 0 | $0 | 0.00% | −15,796−100.0% | Sold out |
| Corton Capital Inc. | 0 | $0 | 0.00% | −13,675−100.0% | Sold out |
| Teza Capital Management LLC | 0 | $0 | 0.00% | −12,613−100.0% | Sold out |
| Capital Fund Management S.A. | 0 | $0 | 0.00% | −11,610−100.0% | Sold out |
| Jain Global LLC | 0 | $0 | 0.00% | −11,396−100.0% | Sold out |
| Polymer Capital Management (US) LLC | 0 | $0 | 0.00% | −10,935−100.0% | Sold out |
| Headlands Technologies LLC | 0 | $0 | 0.00% | −4,418−100.0% | Sold out |
| Clear Street Markets LLC | 0 | $0 | 0.00% | −2,721−100.0% | Sold out |
| Cullen/Frost Bankers, Inc. | 0 | $0 | 0.00% | −1,249−100.0% | Sold out |
| Caitong International Asset Management Co., Ltd | 0 | $0 | 0.00% | −1,098−100.0% | Sold out |
| Marshall & Sullivan Inc | 0 | $0 | 0.00% | −400−100.0% | Sold out |
| Sierra Ocean, LLC | 0 | $0 | 0.00% | −328−100.0% | Sold out |
| Twin Peaks Wealth Advisors, LLC | 0 | $0 | 0.00% | −260−100.0% | Sold out |
| Skopos Labs, Inc. | 0 | $0 | 0.00% | −242−100.0% | Sold out |
| Pineridge Advisors LLC | 0 | $0 | 0.00% | −113−100.0% | Sold out |
| Riggs Asset Managment Co. Inc. | 0 | $0 | 0.00% | −100−100.0% | Sold out |
| Catherine Avery Investment Management LLC | 0 | $0 | 0.00% | −15−100.0% | Sold out |
| NewSquare Capital LLC | 0 | $0 | 0.00% | −9−100.0% | Sold out |
| Norges Bank | – | – | – | – | Not filed |
| EP Wealth Advisors, LLC | – | – | – | – | Not filed |
| CIBC World Markets Corp | – | – | – | – | Not filed |
| Parkworth Wealth Management, Inc. | – | – | – | – | Not filed |