Oceaneering IntlOII
13F holders, Q4 2025 (December 31)At the end of Q4 2025, 314 institutions reported holding Oceaneering Intl Inc. (OII) in their 13F filings, up 13 from Q3 2025. 37 opened new positions and 26 sold out. The largest holders were BlackRock, Inc. ($384.6M), Vanguard Group Inc. ($297.3M) and Brown Advisory Inc. ($178.5M). 10 famous investors held it, including Mario Gabelli (0.1% of GAMCO Investors's portfolio), Paul Tudor Jones (0.1% of Tudor Investment Corporation's portfolio) and Steve Cohen (0.0% of Point72 Asset Management's portfolio).
- Company
- Oceaneering Intl Inc.
- CUSIP
- 675232102
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q3 2025 → Q4 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 37 | $129.0M |
| Exits | 26 | $14.1M |
All 13F filers, Q3 2025 → Q4 2025: 10,178,495 shares bought and 5,075,477 shares sold, net +5,103,018 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 314 holders
| BlackRock, Inc. | 0.01% | Add +2.1% | 16,003,350 | $384.6M |
| Vanguard Group Inc. | 0.00% | Add +1.5% | 12,371,147 | $297.3M |
| Brown Advisory Inc. | 0.25% | Reduce -3.6% | 7,426,981 | $178.5M |
| State Street Corp. | 0.00% | Add +4.9% | 4,647,252 | $111.7M |
| Morgan Stanley Institutional Investment Advisors LLC | 10.03% | New | 3,947,022 | $94.8M |
| Earnest Partners LLC | 0.39% | Reduce -5.6% | 3,791,599 | $91.1M |
| American Century Companies Inc. | 0.04% | Reduce -0.9% | 3,608,090 | $86.7M |
| Dimensional Fund Advisors LP | 0.02% | Add +5.8% | 3,477,068 | $83.6M |
| Neuberger Berman Group LLC | 0.06% | Reduce -5.8% | 3,335,121 | $80.1M |
| Greenhouse Funds LLLP | 2.29% | Reduce -0.9% | 2,468,260 | $59.3M |
| Geode Capital Management, LLC | 0.00% | Add +2.3% | 2,304,738 | $55.4M |
| Loomis Sayles & Co. L P | 0.05% | Reduce -3.5% | 1,831,434 | $44.0M |
| Van Eck Associates Corp. | 0.03% | Add +12.8% | 1,500,057 | $36.0M |
| Charles Schwab Investment Management Inc. | 0.01% | Add +1.8% | 1,442,874 | $34.7M |
| Goldman Sachs Group Inc. | 0.00% | Reduce -10.6% | 1,273,669 | $30.6M |
| Royal Bank of Canada | 0.01% | Reduce -5.2% | 1,221,789 | $29.4M |
| Northern Trust Corp. | 0.00% | Add +7.5% | 1,216,859 | $29.2M |
| Qube Research & Technologies Ltd | 0.04% | Add +66.7% | 1,165,936 | $28.0M |
| Morgan Stanley | 0.00% | Add +2.6% | 1,041,053 | $25.0M |
| Fort Washington Investment Advisors Inc. | 0.11% | Reduce -34.2% | 856,644 | $20.6M |
| Ranger Investment Management, L.P. | 1.32% | Add +34.7% | 802,635 | $19.3M |
| Fisher Asset Management | 0.01% | Add +23.9% | 793,098 | $19.1M |
| Bank of New York Mellon Corp | 0.00% | Add +24.6% | 770,246 | $18.5M |
| Nuveen, LLC | 0.00% | Reduce -2.7% | 700,281 | $16.8M |
| Algert Global LLC | 0.26% | Add +7.7% | 699,646 | $16.8M |
| Point72 Asset Management | 0.03% | Add +495.1% | 699,212 | $16.8M |
| Bank of America Corp. | 0.00% | Reduce -10.3% | 627,934 | $15.1M |
| Invesco Ltd. | 0.00% | Reduce -2.7% | 597,363 | $14.4M |
| Principal Financial Group Inc. | 0.01% | Add +5.5% | 576,822 | $13.9M |
| Goehring & Rozencwajg Associates, LLC | 1.35% | Add +22.0% | 568,734 | $13.7M |
| First Trust Advisors LP | 0.01% | Add +26.8% | 562,486 | $13.5M |
| Old West Investment Management, LLC | 2.33% | Add +128.2% | 543,271 | $13.1M |
| Tudor Investment Corporation | 0.07% | Add +9.7% | 539,676 | $13.0M |
| Boston Trust Walden Corp | 0.10% | Reduce -10.6% | 532,179 | $12.8M |
| JPMorgan Chase & Co. | 0.00% | Reduce -33.5% | 507,883 | $12.2M |
| Schroder Investment Management Group | 0.01% | Add +5.2% | 501,914 | $12.2M |
| UBS Group AG | 0.00% | Reduce -6.8% | 458,211 | $11.0M |
| Aristotle Capital Boston, LLC | 0.59% | Reduce -46.6% | 450,306 | $10.8M |
| Franklin Resources Inc. | 0.00% | Reduce -36.5% | 446,204 | $10.7M |
| Sei Investments Co. | 0.01% | Reduce -10.2% | 418,786 | $10.1M |
| Barclays PLC | 0.00% | Add +8.0% | 416,792 | $10.0M |
| Panagora Asset Management Inc. | 0.03% | Add +20.2% | 383,966 | $9.2M |
| Sagefield Capital LP | 0.77% | Reduce -25.4% | 380,070 | $9.1M |
| Agf Management Ltd. | 0.04% | New | 374,718 | $9.0M |
| AQR Capital Management | 0.00% | Add +23.1% | 372,749 | $9.0M |
| Keating Investment Counselors Inc. | 2.36% | Reduce -1.0% | 354,356 | $8.5M |
| Public Sector Pension Investment Board | 0.03% | Reduce -11.7% | 345,270 | $8.3M |
| GAMCO Investors | 0.08% | Add +11.6% | 341,840 | $8.2M |
| Intech Investment Management LLC | 0.06% | Add +71.2% | 298,125 | $7.2M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Add +109.2% | 290,904 | $7.0M |
| FMR LLC | 0.00% | Add +78.0% | 269,765 | $6.5M |
| Russell Investments Group, Ltd. | 0.01% | Add +4.7% | 268,176 | $6.4M |
| Wells Fargo & Company | 0.00% | Add +7.2% | 265,905 | $6.4M |
| State of Wisconsin Investment Board | 0.01% | Add +7.8% | 261,453 | $6.3M |
| Prudential Financial Inc. | 0.01% | Reduce -9.6% | 259,311 | $6.2M |
| Legal & General Group Plc | 0.00% | Reduce -4.2% | 254,059 | $6.1M |
| Granite Investment Partners, LLC | 0.34% | New | 238,380 | $5.7M |
| Envestnet Asset Management Inc. | 0.00% | Reduce -10.7% | 228,689 | $5.5M |
| Brandywine Global Investment Management, LLC | 0.04% | New | 228,424 | $5.5M |
| Rhumbline Advisers | 0.00% | Reduce -5.0% | 226,623 | $5.4M |
| Ameriprise Financial Inc. | 0.00% | Add +1.4% | 210,679 | $5.1M |
| Swiss National Bank | 0.00% | Add +1.3% | 197,548 | $4.7M |
| BNP Paribas Financial Markets | 0.00% | Add +17.3% | 193,952 | $4.7M |
| Gabelli Funds LLC | 0.03% | Reduce -0.7% | 186,973 | $4.5M |
| New York State Teachers Retirement System | 0.01% | Reduce -0.7% | 164,257 | $3.9M |
| Essex Investment Management Co. LLC | 0.57% | Reduce -2.4% | 155,434 | $3.7M |
| SG Americas Securities, LLC | 0.00% | Reduce -2.0% | 153,423 | $3.7M |
| EFG International AG | 0.07% | — | 152,292 | $3.7M |
| Leuthold Group, LLC | 0.38% | New | 147,639 | $3.5M |
| SIR Capital Management, L.P. | 0.32% | Reduce -56.0% | 120,000 | $2.9M |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 0.00% | Add +5621.4% | 118,548 | $2.8M |
| Concurrent Investment Advisors, LLC | 0.03% | Reduce 0.0% | 116,159 | $2.8M |
| Trexquant Investment LP | 0.02% | Add +276.4% | 112,759 | $2.7M |
| Alliancebernstein L.P. | 0.00% | Reduce -1.7% | 111,822 | $2.7M |
| Federated Hermes, Inc. | 0.00% | Add +72.4% | 109,901 | $2.6M |
| Squarepoint Ops LLC | 0.01% | New | 106,916 | $2.6M |
| T. Rowe Price Associates Inc. | 0.00% | Add +8.9% | 101,308 | $2.4M |
| CenterBook Partners LP | 0.12% | Add +506.8% | 100,220 | $2.4M |
| Isthmus Partners, LLC | 0.26% | Add +0.7% | 97,629 | $2.3M |
| Bridgeway Capital Management, LLC | 0.05% | Reduce -5.0% | 93,600 | $2.2M |
| California State Teachers Retirement System | 0.00% | Add +0.2% | 93,563 | $2.2M |
| State of New Jersey Common Pension Fund D | 0.01% | Reduce -0.9% | 91,781 | $2.2M |
| Engineers Gate Manager LP | 0.03% | Reduce -32.2% | 88,549 | $2.1M |
| Millennium Management | 0.00% | Reduce -59.0% | 88,022 | $2.1M |
| Jennison Associates LLC | 0.00% | Add +8.7% | 87,910 | $2.1M |
| Mitsubishi UFJ Asset Management Co., Ltd. | 0.00% | Reduce -6.2% | 84,416 | $2.1M |
| CANADA LIFE ASSURANCE Co | 0.00% | No change | 85,445 | $2.1M |
| Y-Intercept (Hong Kong) Ltd | 0.05% | New | 84,594 | $2.0M |
| Deutsche Bank AG | 0.00% | Reduce -44.5% | 78,977 | $1.9M |
| D. E. Shaw & Co. | 0.00% | Reduce -55.4% | 77,348 | $1.9M |
| New York State Common Retirement Fund | 0.00% | Add +135.0% | 73,422 | $1.8M |
| Glenorchy Capital Ltd | 1.14% | Reduce -0.8% | 72,995 | $1.8M |
| Pathstone Holdings, LLC | 0.01% | Add +7.8% | 71,338 | $1.7M |
| Thrivent Financial for Lutherans | 0.00% | Reduce -26.8% | 70,638 | $1.7M |
| Brevan Howard Capital Management LP | 0.04% | Add +37.1% | 69,859 | $1.7M |
| Legato Capital Management LLC | 0.14% | Add +48.6% | 68,361 | $1.6M |
| State of Tennessee, Department of Treasury | 0.01% | Add +7.2% | 52,577 | $1.6M |
| Citadel Advisors | 0.00% | Reduce -40.3% | 62,773 | $1.5M |
| Oppenheimer Asset Management Inc. | 0.02% | Reduce -8.8% | 60,804 | $1.5M |
| Wedge Capital Management L L P | 0.03% | Add +10.3% | 60,742 | $1.5M |
"% of holder's portfolio" is OII's weight in each manager's 13F, not the share of Oceaneering Intl Inc. the manager owns.