OCEANEERING INTERNATIONAL INC - OII
Ownership (Schedule 13D / 13G) · latest 50 filings
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| Filed | Form | Reporting person | Percent | Shares | SEC |
|---|---|---|---|---|---|
| Aug 14, 2026 | SCHEDULE 13G/A | BROWN ADVISORY INC | 5.09% | 5,077,853 | View |
| Aug 14, 2026 | SCHEDULE 13G/A | BROWN INVESTMENT ADVISORY & TRUST CO | 0.04% | 43,543 | View |
| Aug 14, 2026 | SCHEDULE 13G/A | BROWN ADVISORY LLC | 5.04% | 5,031,166 | View |
| Aug 14, 2026 | SCHEDULE 13G/A | SIGNATURE FINANCIAL MANAGEMENT, INC. | 0.0% | 3,144 | View |
| Apr 30, 2026 | SCHEDULE 13G | Vanguard Capital Management | 5.26% | 5,229,683 | View |
| Apr 29, 2026 | SCHEDULE 13G | Vanguard Portfolio Management | 7.7% | 7,660,752 | View |
| Mar 27, 2026 | SCHEDULE 13G/A | The Vanguard Group | 0.0% | 0 | View |
Percent = "% of class represented by amount beneficially owned" for this reporting person in the filed 13D/13G.
Shares = reported beneficial ownership amount for the same row (not portfolio shares from 13F).
Amendments (/A) can repeat the same holder over time, so rows should not be summed.
Extraction is best-effort from filing text and can be missing or noisy; verify exact figures via the SEC link in each row.