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 5 sales; 376 institutions reported holding it in 13F filings for Q2 2026, worth $4.22B in total; no superinvestor holds it.
Key figures
- Insider buysOpen market, last 90 days
- 0
- Insider sellsLast 90 days, $1.56M in total
- 5
- 13F holdersQ2 2026, +14 vs. previous quarter
- 376
- 13F valueReported value at the end of Q2 2026
- $4.22B
- Superinvestors holdingAt the end of Q2 2026
- 0
Price chart
Superinvestors holding OII, Q2 2026
No superinvestor reported holding OII at the end of Q2 2026.
Latest insider trades
Open-market purchases and sales by Oceaneering International Inc insiders from Form 4, newest first.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Aug 10, 2026 (view filing)4:34 PM ET | Aug 7 | 3 days | Murphy Paul B JrDirector | SSale | −10.0K | $48.37 | −$483.7K | −12.7%68.9K after | |
| Jul 31, 2026 (view filing)4:55 PM ET | Jul 30 | 1 day | Dyer Christopher JSVP, OPGroup | SSale | −1.20K | $47.65 | −$57.2K | −7.5%14.7K after | |
| Jul 31, 2026 (view filing)4:55 PM ET | Jul 30 | 1 day | McEvoy M KevinDirector | SSale | −3.00K | $47.93 | −$143.8K | −2.2%134.1K after | |
| Jul 31, 2026 (view filing)4:54 PM ET | Jul 30 | 1 day | Childress EarlSVP, Chief Commercial Ofc. | SSale | −12.7K | $46.71 | −$593.3K | −35.7%22.9K after | |
| Jul 1, 2026 (view filing)4:46 PM ET | Jun 30 | 1 day | Goodwin Deanna LDirector | SSale | −7.00K | $40.69 | −$284.8K | −16.3%35.9K after | |
| May 19, 2026 (view filing) | May 18 | 1 day | Larson Roderick A.President and CEO | SSale | −5.00K | $38.27 | −$191.3K | −1.2%397.3K after | |
| May 14, 2026 (view filing) | May 12-13 | 2 days | McDonald Martin JSVP, Subsea Robotics | SSale | −70.0K | $38.43 | −$2.69M | −58.7%49.2K after | 2 lots |
| Mar 13, 2026 (view filing) | Mar 11 | 2 days | McEvoy M KevinDirector | SSale | −25.7K | $35.27 | −$905.7K | −16.5%130.4K after | |
| Feb 26, 2026 (view filing) | Feb 25 | 1 day | Dunn Catherine EVP, Chief Accounting Officer | SSale | −2.87K | $37.97 | −$108.8K | −21.1%10.7K after | |
| Feb 26, 2026 (view filing) | Feb 25 | 1 day | Dunn Catherine EVP, Chief Accounting Officer | SSale | −6.20K | $37.52 | −$232.8K | −100.0%0 after |
Top 10 13F holders, Q2 2026
The largest institutional positions in Oceaneering International Inc at the end of Q2 2026; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock, Inc. | 16,403,230 | $664.7M | 0.01% | +54,388+0.3% | Added |
| Vanguard Portfolio Management LLC | 7,926,938 | $321.2M | 0.01% | +348,017+4.6% | Added |
| State Street Corp | 4,994,403 | $202.4M | 0.01% | −39,793−0.8% | Reduced |
| Brown Advisory Inc | 4,967,307 | $201.3M | 0.31% | −821,294−14.2% | Reduced |
| Vanguard Capital Management LLC | 4,485,268 | $181.7M | 0.00% | +6,505+0.1% | Added |
| American Century Companies Inc | 4,023,994 | $163.1M | 0.07% | +257,320+6.8% | Added |
| Earnest Partners LLC | 3,547,295 | $143.7M | 0.52% | −137,018−3.7% | Reduced |
| Dimensional Fund Advisors LP | 3,546,908 | $143.7M | 0.03% | +85,159+2.5% | Added |
| Neuberger Berman Group LLC | 3,228,635 | $130.8M | 0.09% | +10,376+0.3% | Added |
| Morgan Stanley Institutional Investment Advisors LLC | 3,066,015 | $124.2M | 11.60% | −386,990−11.2% | Reduced |