Oceaneering International, Inc. · NYSE:OII
Oceaneering International, Inc. shareholders
As of Jun 30, 2026, 368 institutions reported holding Oceaneering International, Inc. Largest: BlackRock, Vanguard and State Street. New holders, exits, insiders and big stakes, each with its filing.
| Holder | Shares | % of Oceaneering International, Inc. | Change | Filed |
|---|---|---|---|---|
| BlackRock | 16.4M | +54,388 | Aug 7, 2026 | |
| Vanguard | 13.3M | +377K | Aug 13, 2026 | |
| State Street | 4.99M | −39,793 | Aug 7, 2026 | |
| Brown Advisory Inc | 4.97M | −821K | Aug 14, 2026 | |
| Morgan Stanley | 4.27M | −220K | Aug 13, 2026 | |
| American Century | 4.02M | +257K | Aug 12, 2026 | |
| Earnest Partners LLC | 3.55M | −137K | Aug 13, 2026 | |
| Dimensional | 3.55M | +85,159 | Aug 11, 2026 | |
| Neuberger Berman Group LLC | 3.23M | +10,376 | Aug 13, 2026 | |
| Franklin Templeton | 3.06M | +2.23M | Aug 13, 2026 |