Institutional Ownership
Oceaneering Intl Inc
CUSIP 675232102COMOIIQ1 2026
13D / 13G Filings
27
Schedule 13D/13G on record
Beneficial Filers
9
Distinct reporting persons
Largest Stake
18.9%
Max % of class reported
Institutional Holders
355
13F filers (latest quarter)
Beneficial Owners — Schedule 13D / 13G
27 filings · latest Jul 17, 2025
| # | Filed | Reporting Person | Form | % of Class | Shares | Filing |
|---|---|---|---|---|---|---|
| 1 | Jul 17, 2025 | Blackrock, Inc. | 13G/A | 14.2% | 14.27M | SEC |
| 2 | May 15, 2025 | Earnest Partners LLC | 13G/A | 4.2% | 4.22M | SEC |
| 3 | Apr 18, 2025 | Brown Advisory Inc | 13G/A | 6.6% | 6.62M | SEC |
| 4 | Apr 10, 2025 | Brown Advisory Inc | 13G | 5.1% | 5.15M | SEC |
| 5 | Feb 6, 2025 | State Street Corporation | 13G | 4.9% | 4.99M | SEC |
| 6 | Mar 11, 2024 | Earnest Partners LLC | 13G/A | 5.1% | 5.17M | SEC |
| 7 | Feb 13, 2024 | Vanguard Group Inc | 13G/A | 12.4% | 12.46M | SEC |
| 8 | Jan 24, 2024 | State Street Corp | 13G | 5.0% | — | SEC |
| 9 | Jan 22, 2024 | Blackrock Inc. | 13G/A | 15.9% | 16.02M | SEC |
| 10 | Oct 6, 2023 | Earnest Partners LLC | 13G/A | 5.0% | 5.01M | SEC |
17 more beneficial-ownership filings on Premium
See the full Schedule 13D/13G history for Oceaneering Intl Inc.
Unlock full historyTop Institutional Holders (13F)
Largest reported positions · latest quarter
| # | Fund | Shares | Value |
|---|---|---|---|
| 1 | Blackrock, Inc. | 16.35M | $579.89M |
| 2 | Brown Advisory Inc | 5.79M | $205.32M |
| 3 | State Street Corp | 5.03M | $178.56M |
| 4 | American Century Companies Inc | 3.77M | $133.60M |
| 5 | Earnest Partners LLC | 3.68M | $130.68M |
| 6 | Dimensional Fund Advisors LP | 3.46M | $122.78M |
| 7 | Morgan Stanley Institutional Investment Advisors LLC | 3.45M | $122.48M |
| 8 | Neuberger Berman Group LLC | 3.22M | $114.15M |
| 9 | Geode Capital Management, LLC | 2.38M | $84.31M |
| 10 | Greenhouse Funds Lllp | 2.03M | $72.09M |