Oceaneering International Inc (NYSE:OII) showed up in the 13F filings of 308 institutional investors as of December 2025.
| Owner Name | Date | Shares Held | Change (QoQ) | Change (%) | Value (USD) |
|---|---|---|---|---|---|
| BlackRock, Inc. | 31 Mar, 2026 | 16,348,842 | 345,492 | 2.16% | $579,893,415.00 |
| BlackRock, Inc. | 31 Mar, 2026 | 16,003,350 | 334,417 | 2.13% | $384,560,495.00 |
| VANGUARD GROUP INC | 31 Mar, 2026 | 12,371,147 | 187,707 | 1.54% | $297,278,664.00 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 31 Mar, 2026 | 7,578,921 | 7,578,921 | 0.00% | $268,824,328.00 |
| BROWN ADVISORY INC | 31 Mar, 2026 | 7,426,981 | -275,282 | -3.57% | $178,470,371.00 |
| BROWN ADVISORY INC | 31 Mar, 2026 | 5,788,601 | -1,638,380 | -22.06% | $205,321,688.00 |
| State Street Corp | 31 Mar, 2026 | 5,034,196 | 386,944 | 8.33% | $178,562,932.00 |
| State Street Corp | 31 Mar, 2026 | 4,647,252 | 215,366 | 4.86% | $111,673,466.00 |
| VANGUARD CAPITAL MANAGEMENT LLC | 31 Mar, 2026 | 4,478,763 | 4,478,763 | 0.00% | $158,861,724.00 |
| Morgan Stanley Institutional Investment Advisors LLC | 31 Mar, 2026 | 3,947,022 | 3,947,022 | 0.00% | $94,846,948.00 |
| EARNEST PARTNERS LLC | 31 Mar, 2026 | 3,791,599 | -225,099 | -5.60% | $91,112,124.00 |
| AMERICAN CENTURY COMPANIES INC | 31 Mar, 2026 | 3,766,674 | 158,584 | 4.40% | $133,603,927.00 |
| EARNEST PARTNERS LLC | 31 Mar, 2026 | 3,684,313 | -107,286 | -2.83% | $130,682,582.00 |
| AMERICAN CENTURY COMPANIES INC | 31 Mar, 2026 | 3,608,090 | -34,783 | -0.95% | $86,702,403.00 |
| DIMENSIONAL FUND ADVISORS LP | 31 Mar, 2026 | 3,477,068 | 191,117 | 5.82% | $83,556,317.00 |
| DIMENSIONAL FUND ADVISORS LP | 31 Mar, 2026 | 3,461,749 | -15,319 | -0.44% | $122,780,112.00 |
| Morgan Stanley Institutional Investment Advisors LLC | 31 Mar, 2026 | 3,453,005 | -494,017 | -12.52% | $122,478,102.00 |
| Neuberger Berman Group LLC | 31 Mar, 2026 | 3,335,121 | -204,437 | -5.78% | $80,142,958.00 |
| Neuberger Berman Group LLC | 31 Mar, 2026 | 3,218,259 | -116,862 | -3.50% | $114,151,647.00 |
| Goldman Sachs Group Inc | 31 Mar, 2026 | 2,547,338 | 1,121,960 | 78.71% | $61,212,532.00 |