Oceaneering IntlOII
13F holders, Q2 2026 (June 30)376holders +9
59new positions
52sold out
8famous investors
$40.50avg. 13F price*
At the end of Q2 2026, 376 institutions reported holding Oceaneering Intl Inc. (OII) in their 13F filings, up 9 from Q1 2026. 59 opened new positions and 52 sold out. The largest holders were BlackRock, Inc. ($664.7M), Vanguard Portfolio Management LLC ($321.2M) and State Street Corp. ($202.4M). 8 famous investors held it, including Mario Gabelli (0.1% of GAMCO Investors's portfolio), Ken Fisher (0.0% of Fisher Asset Management's portfolio) and Joel Greenblatt (0.0% of Gotham Asset Management's portfolio).
- Company
- Oceaneering Intl Inc.
- CUSIP
- 675232102
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q1 2026 → Q2 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 59 | $159.6M |
| Exits | 52 | $109.1M |
All 13F filers, Q1 2026 → Q2 2026: 10,502,837 shares bought and 7,838,439 shares sold, net +2,664,398 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 376 holders
| BlackRock, Inc. | 0.01% | Add +0.3% | 16,403,230 | $664.7M |
| Vanguard Portfolio Management LLC | 0.01% | Add +4.6% | 7,926,938 | $321.2M |
| State Street Corp. | 0.01% | Reduce -0.8% | 4,994,403 | $202.4M |
| Brown Advisory Inc. | 0.31% | Reduce -14.2% | 4,967,307 | $201.3M |
| Vanguard Capital Management LLC | 0.00% | Add +0.1% | 4,485,268 | $181.7M |
| American Century Companies Inc. | 0.07% | Add +6.8% | 4,023,994 | $163.1M |
| Earnest Partners LLC | 0.52% | Reduce -3.7% | 3,547,295 | $143.7M |
| Dimensional Fund Advisors LP | 0.03% | Add +2.5% | 3,546,908 | $143.7M |
| Neuberger Berman Group LLC | 0.09% | Add +0.3% | 3,228,635 | $130.8M |
| Morgan Stanley Institutional Investment Advisors LLC | 11.60% | Reduce -11.2% | 3,066,015 | $124.2M |
| Franklin Resources Inc. | 0.03% | Add +269.5% | 3,060,961 | $124.0M |
| Geode Capital Management, LLC | 0.01% | Add +19.5% | 2,839,554 | $115.1M |
| Barrow Hanley Mewhinney & Strauss LLC | 0.28% | Add +60.0% | 2,272,949 | $92.1M |
| Greenhouse Funds LLLP | 4.05% | Reduce -6.7% | 1,896,343 | $76.8M |
| Van Eck Associates Corp. | 0.05% | Reduce -10.3% | 1,849,926 | $75.0M |
| Reinhart Partners, Llc. | 1.52% | New | 1,648,423 | $66.8M |
| Loomis Sayles & Co. L P | 0.08% | Reduce -5.5% | 1,606,095 | $65.1M |
| Northern Trust Corp. | 0.01% | Add +8.2% | 1,371,471 | $55.6M |
| Charles Schwab Investment Management Inc. | 0.01% | Reduce -3.1% | 1,339,591 | $54.3M |
| Nomura Asset Management International Inc. | 0.08% | New | 1,330,080 | $53.9M |
| T. Rowe Price Associates Inc. | 0.01% | Add +2.0% | 1,320,910 | $53.5M |
| Morgan Stanley | 0.00% | Add +16.1% | 1,207,487 | $48.9M |
| Bank of New York Mellon Corp | 0.01% | Add +49.2% | 1,126,793 | $45.7M |
| Goldman Sachs Group Inc. | 0.00% | Add +7.7% | 1,076,557 | $43.6M |
| Royal Bank of Canada | 0.01% | Reduce -11.1% | 932,192 | $37.8M |
| Ranger Investment Management, L.P. | 1.99% | Reduce -2.4% | 777,643 | $31.5M |
| Goehring & Rozencwajg Associates, LLC | 1.81% | Add +8.7% | 775,476 | $31.4M |
| Massachusetts Financial Services Co. | 0.01% | Add +11.1% | 757,311 | $30.7M |
| Vanguard Fiduciary Trust Co. | 0.01% | Add +3.1% | 711,899 | $28.8M |
| Old West Investment Management, LLC | 2.98% | Reduce -0.5% | 693,549 | $28.1M |
| Federated Hermes, Inc. | 0.04% | Reduce -3.1% | 666,525 | $27.0M |
| Invesco Ltd. | 0.00% | Reduce -8.9% | 638,880 | $25.9M |
| Fisher Asset Management | 0.01% | Reduce -19.8% | 635,141 | $25.7M |
| Principal Financial Group Inc. | 0.01% | Add +1.4% | 593,561 | $24.1M |
| JPMorgan Chase & Co. | 0.00% | Reduce -5.4% | 500,375 | $20.0M |
| Panagora Asset Management Inc. | 0.06% | Add +0.5% | 485,013 | $19.7M |
| Boston Trust Walden Corp | 0.14% | Reduce -10.5% | 464,819 | $18.8M |
| AQR Capital Management | 0.01% | Add +14.5% | 449,040 | $18.2M |
| First Trust Advisors LP | 0.01% | Reduce -3.1% | 421,475 | $17.1M |
| Schroder Investment Management Group | 0.01% | Reduce -33.9% | 399,661 | $15.8M |
| Storebrand Asset Management As | 0.04% | No change | 366,188 | $14.8M |
| Bank of America Corp. | 0.00% | Add +39.7% | 364,827 | $14.8M |
| FMR LLC | 0.00% | Add +1.1% | 349,342 | $14.2M |
| Public Sector Pension Investment Board | 0.04% | Reduce -4.0% | 342,697 | $13.9M |
| Keating Investment Counselors Inc. | 3.71% | Reduce -1.4% | 333,778 | $13.5M |
| Bessemer Group Inc. | 0.02% | Add +17470.9% | 331,212 | $13.4M |
| Granite Investment Partners, LLC | 0.68% | Add +0.4% | 328,414 | $13.3M |
| Sei Investments Co. | 0.01% | Reduce -28.7% | 314,092 | $12.7M |
| Envestnet Asset Management Inc. | 0.00% | Add +10.9% | 310,197 | $12.6M |
| Nuveen, LLC | 0.00% | Reduce -29.3% | 307,461 | $12.5M |
| GAMCO Investors | 0.11% | Reduce -10.2% | 303,898 | $12.3M |
| Sagefield Capital LP | 0.86% | Add +16.6% | 284,724 | $11.5M |
| Hennessy Advisors Inc. | 0.35% | New | 267,086 | $10.8M |
| Russell Investments Group, Ltd. | 0.01% | Add +5.1% | 258,066 | $10.5M |
| UBS Group AG | 0.00% | Reduce -19.5% | 254,309 | $10.3M |
| Rhumbline Advisers | 0.01% | Add +5.5% | 246,569 | $10.0M |
| Aristotle Capital Boston, LLC | 0.67% | Reduce -9.7% | 245,180 | $9.9M |
| Legal & General Group Plc | 0.00% | Add +3.7% | 242,503 | $9.8M |
| Wells Fargo & Company | 0.00% | Add +29.6% | 236,766 | $9.6M |
| Curi Capital, LLC | 0.13% | Add +25.4% | 208,552 | $8.5M |
| Ameriprise Financial Inc. | 0.00% | Add +3.5% | 208,057 | $8.4M |
| Archon Capital Management LLC | 3.42% | No change | 208,000 | $8.4M |
| Swiss National Bank | 0.00% | Add +1.0% | 199,448 | $8.1M |
| Prudential Financial Inc. | 0.01% | Reduce -11.2% | 196,196 | $7.9M |
| Gabelli Funds LLC | 0.05% | Add +6.6% | 194,079 | $7.9M |
| Alliancebernstein L.P. | 0.00% | Add +39.0% | 202,234 | $7.2M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Reduce -45.8% | 162,283 | $6.6M |
| Manatuck Hill Partners, LLC | 2.16% | No change | 160,600 | $6.5M |
| New York State Teachers Retirement System | 0.01% | Add +0.5% | 159,523 | $6.5M |
| Jupiter Topco LLC | 0.00% | — | 156,318 | $6.3M |
| Millennium Management | 0.00% | New | 154,688 | $6.3M |
| Essex Investment Management Co. LLC | 0.80% | Reduce -4.4% | 151,463 | $6.1M |
| Leuthold Group, LLC | 0.58% | Reduce -4.8% | 142,936 | $5.8M |
| Empowered Funds, LLC | 0.03% | Add +1.1% | 134,103 | $5.4M |
| Concurrent Investment Advisors, LLC | 0.05% | Add +12.8% | 131,457 | $5.3M |
| Cannell & Spears LLC | 0.09% | Reduce -26.0% | 121,769 | $4.9M |
| California State Teachers Retirement System | 0.00% | Reduce -2.8% | 116,278 | $4.7M |
| Vident Advisory, LLC | 0.03% | Add +50.4% | 106,691 | $4.3M |
| Marshall Wace, LLP | 0.00% | New | 104,778 | $4.2M |
| Deutsche Bank AG | 0.00% | Add +18.8% | 104,689 | $4.2M |
| State of Wisconsin Investment Board | 0.01% | Reduce -9.1% | 102,088 | $4.1M |
| Isthmus Partners, LLC | 0.38% | Reduce -0.6% | 95,786 | $3.9M |
| New York State Common Retirement Fund | 0.00% | Add +4.6% | 95,768 | $3.9M |
| EFG International AG | 0.07% | Reduce -22.1% | 91,994 | $3.7M |
| Royce & Associates LP | 0.03% | Add +8.4% | 90,020 | $3.6M |
| VANGUARD ASSET MANAGEMENT, Ltd | 0.00% | Add +5.8% | 79,314 | $3.2M |
| Gotham Asset Management | 0.01% | Add +19.6% | 78,820 | $3.2M |
| CANADA LIFE ASSURANCE Co | 0.01% | Reduce -3.2% | 78,603 | $3.2M |
| Intech Investment Management LLC | 0.03% | Reduce -21.6% | 76,280 | $3.1M |
| Creative Planning | 0.00% | Add +50.6% | 74,796 | $3.0M |
| Glenorchy Capital Ltd | 1.88% | Add +0.1% | 74,354 | $3.0M |
| Legato Capital Management LLC | 0.24% | Add +4.7% | 72,601 | $2.9M |
| Citigroup Inc. | 0.00% | Add +264.1% | 72,139 | $2.9M |
| Harbor Capital Advisors, Inc. | 0.20% | Add +141.4% | 71,652 | $2.9M |
| Mitsubishi UFJ Asset Management Co., Ltd. | 0.00% | Reduce -29.5% | 71,302 | $2.9M |
| Oppenheimer Asset Management Inc. | 0.03% | Add +18.7% | 70,143 | $2.8M |
| GeoSphere Capital Management, LLC | 1.46% | Reduce -41.9% | 69,689 | $2.8M |
| Thrivent Financial for Lutherans | 0.00% | Reduce -1.6% | 67,579 | $2.7M |
| Annex Advisory Services, LLC | 0.05% | Add +29.3% | 67,302 | $2.7M |
| Edgestream Partners, L.P. | 0.08% | Reduce -43.7% | 65,581 | $2.7M |
"% of holder's portfolio" is OII's weight in each manager's 13F, not the share of Oceaneering Intl Inc. the manager owns.