OII Institutional Ownership
Top institutional (13F) holders of OII and activist (13D/G) positions, sourced from SEC EDGAR.
Institutional owners
45
Institutional value
$2.75B
Top holder
BlackRock, Inc.
Couldn’t find the data you were looking for?
We haven’t added OCEANEERING INTERNATIONAL INC’s filings yet. We add companies and filings all the time.
Track OII and we’ll email you the moment its filings are in, free and with no account. Or create a free account to request coverage.
Top holders
| Holder | Filed | Value |
|---|---|---|
| BlackRock, Inc.holding company | Aug 7, 2026 | $664.66M |
| Vanguard Portfolio Managementinvestment advisor | Aug 13, 2026 | $321.2M |
| STATE STREET CORPORATIONholding company | Sep 22, 2026 | $202.37M |
| BROWN ADVISORY INCinvestment advisor | Aug 15, 2026 | $201.28M |
| Vanguard Capital Managementinvestment advisor | Aug 13, 2026 | $181.74M |
| Dimensional Fund Advisors LPinvestment advisor | Aug 11, 2026 | $143.71M |
| Neuberger Berman Group LLCinvestment advisor | Aug 13, 2026 | $130.82M |
| FRANKLIN RESOURCES INCinvestment advisor | Aug 13, 2026 | $124.03M |
| GEODE CAPITAL MANAGEMENT, LLCinvestment advisor | Aug 12, 2026 | $115.08M |
| Loomis, Sayles & Co., L.P.investment advisor | Aug 14, 2026 | $65.08M |
| NORTHERN TRUST CORPinvestment advisor | Aug 13, 2026 | $55.57M |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INCinvestment advisor | Aug 14, 2026 | $54.28M |
| T. Rowe Price Associates, Inc.investment advisor | Aug 14, 2026 | $53.52M |
| MORGAN STANLEYinvestment advisor | Aug 13, 2026 | $48.93M |
| Bank of New York Mellon Corpholding company | Aug 6, 2026 | $45.66M |
| GOLDMAN SACHS GROUP INCinvestment advisor | Aug 14, 2026 | $43.62M |
| ROYAL BANK OF CANADAinvestment advisor | Aug 14, 2026 | $37.77M |
| Massachusetts Financial Services Companyinvestment advisor | Aug 3, 2026 | $30.69M |
| Boston Partnersinvestment advisor | May 11, 2026 | $30.34M |
| Invesco Ltd.holding company | Aug 14, 2026 | $25.89M |
| Fisher Asset Management, LLCinvestment advisor | Aug 4, 2026 | $25.74M |
| JPMORGAN CHASE & COholding company | Aug 12, 2026 | $19.96M |
| AQR CAPITAL MANAGEMENT LLCinvestment advisor | Aug 14, 2026 | $18.2M |
| BANK OF AMERICA CORP /DE/investment advisor | Aug 14, 2026 | $14.78M |
| FMR LLCinvestment advisor | Aug 13, 2026 | $14.16M |
Never miss a OII filing.
Get an email when OII files its next 8-K, Form 4, 10-K or 10-Q with the SEC. Free, no account needed.
Free foreverNo account requiredOne-click unsubscribe
Source: SEC EDGAR Schedule 13D / 13G and 13F filings.