Oceaneering International Inc
OII- Exchange
- NYSE
- Industry
- Oil & Gas Field Services, NEC
- SEC CIK
- 0000073756
In the last 90 days, Oceaneering International Inc insiders filed 0 open-market purchases and 5 sales; 376 institutions reported holding it in 13F filings for Q2 2026, worth $4.22B in total; no superinvestor holds it.
13F holders, Q2 2026
Institutional positions in Oceaneering International Inc as of Jun 30, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 376
- +14 vs. Q1 2026
- Shares held
- 104.3M
- +2.88M (+2.8%) vs. Q1 2026
- Total value
- $4.22B
- +$628.9M (+17.5%) vs. Q1 2026
- New holders
- 67
- 147 more added
- Sold out
- 53
- 111 more reduced
5 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting OII on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 376 | $4.22B |
| Q1 2026 | 367 | $3.61B |
| Q4 2025 | 314 | $2.41B |
| Q3 2025 | 301 | $2.37B |
| Q2 2025 | 288 | $1.99B |
| Q1 2025 | 286 | $2.10B |
| Q4 2024 | 287 | $2.62B |
| Q3 2024 | 260 | $2.51B |
| Q2 2024 | 234 | $2.36B |
| Q1 2024 | 233 | $2.24B |
| Q4 2023 | 235 | $2.01B |
| Q3 2023 | 243 | $2.39B |
| Q2 2023 | 224 | $1.76B |
| Q1 2023 | 228 | $1.67B |
| Q4 2022 | 206 | $1.63B |
| Q3 2022 | 200 | $725.9M |
| Q2 2022 | 200 | $986.3M |
| Q1 2022 | 220 | $1.36B |
| Q4 2021 | 200 | $984.8M |
| Q3 2021 | 196 | $1.16B |
| Q2 2021 | 190 | $1.37B |
| Q1 2021 | 179 | $994.6M |
Institutions, Q2 2026
Shares, value and share of portfolio for each institution holding Oceaneering International Inc; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Spears Abacus Advisors LLC | 121,769 | $4.93M | 0.09% | −42,709−26.0% | Reduced |
| Concurrent Investment Advisors, LLC | 131,457 | $5.33M | 0.05% | +14,910+12.8% | Added |
| Empowered Funds, LLC | 134,103 | $5.43M | 0.03% | +1,476+1.1% | Added |
| Leuthold Group, LLC | 142,936 | $5.79M | 0.58% | −7,236−4.8% | Reduced |
| Essex Investment Management Co LLC | 151,463 | $6.14M | 0.80% | −6,911−4.4% | Reduced |
| Millennium Management LLC | 154,688 | $6.27M | 0.00% | +154,688 | New |
| Jupiter Topco LLC | 156,318 | $6.33M | 0.00% | +156,318 | New |
| New York State Teachers Retirement System | 159,523 | $6.46M | 0.01% | +859+0.5% | Added |
| Manatuck Hill Partners, LLC | 160,600 | $6.51M | 2.16% | 00.0% | Unchanged |
| UBS Asset Management Americas Inc | 162,283 | $6.58M | 0.00% | −137,290−45.8% | Reduced |
| Alliancebernstein L.P. | 202,234 | $7.17M | 0.00% | +56,702+39.0% | Added |
| Gabelli Funds LLC | 194,079 | $7.86M | 0.05% | +12,054+6.6% | Added |
| Prudential Financial Inc | 196,196 | $7.95M | 0.01% | −24,675−11.2% | Reduced |
| Swiss National Bank | 199,448 | $8.08M | 0.00% | +1,900+1.0% | Added |
| Archon Capital Management LLC | 208,000 | $8.43M | 3.42% | 00.0% | Unchanged |
| Ameriprise Financial Inc | 208,057 | $8.43M | 0.00% | +7,092+3.5% | Added |
| RMB Capital Management, LLC | 208,552 | $8.45M | 0.13% | +42,275+25.4% | Added |
| Wells Fargo & Company | 236,766 | $9.59M | 0.00% | +54,051+29.6% | Added |
| Legal & General Group Plc | 242,503 | $9.83M | 0.00% | +8,577+3.7% | Added |
| Aristotle Capital Boston, LLC | 245,180 | $9.93M | 0.67% | −26,310−9.7% | Reduced |
| Rhumbline Advisers | 246,569 | $9.99M | 0.01% | +12,736+5.4% | Added |
| UBS Group AG | 254,309 | $10.3M | 0.00% | −61,519−19.5% | Reduced |
| Russell Investments Group, Ltd. | 258,066 | $10.5M | 0.01% | +12,604+5.1% | Added |
| Hennessy Advisors Inc | 267,086 | $10.8M | 0.35% | +267,086 | New |
| Sagefield Capital LP | 284,724 | $11.5M | 0.86% | +40,564+16.6% | Added |
| Gamco Investors, Inc. Et Al | 303,898 | $12.3M | 0.11% | −34,400−10.2% | Reduced |
| Nuveen, LLC | 307,461 | $12.5M | 0.00% | −127,689−29.3% | Reduced |
| Envestnet Asset Management Inc | 310,197 | $12.6M | 0.00% | +30,486+10.9% | Added |
| SEI Investments Co | 314,092 | $12.7M | 0.01% | −126,599−28.7% | Reduced |
| Granite Investment Partners, LLC | 328,414 | $13.3M | 0.68% | +1,361+0.4% | Added |
| Bessemer Group Inc | 331,212 | $13.4M | 0.02% | +329,327+17,470.9% | Added |
| Keating Investment Counselors Inc | 333,778 | $13.5M | 3.71% | −4,660−1.4% | Reduced |
| Public Sector Pension Investment Board | 342,697 | $13.9M | 0.04% | −14,286−4.0% | Reduced |
| FMR LLC | 349,342 | $14.2M | 0.00% | +3,810+1.1% | Added |
| Bank of America Corp | 364,827 | $14.8M | 0.00% | +103,596+39.7% | Added |
| Storebrand Asset Management AS | 366,188 | $14.8M | 0.04% | 00.0% | Unchanged |
| Schroder Investment Management Group | 399,661 | $15.8M | 0.01% | −204,558−33.9% | Reduced |
| First Trust Advisors LP | 421,475 | $17.1M | 0.01% | −13,701−3.1% | Reduced |
| AQR Capital Management LLC | 449,040 | $18.2M | 0.01% | +56,890+14.5% | Added |
| Boston Trust Walden Corp | 464,819 | $18.8M | 0.14% | −54,658−10.5% | Reduced |
| Panagora Asset Management Inc | 485,013 | $19.7M | 0.06% | +2,237+0.5% | Added |
| JPMorgan Chase & Co | 500,375 | $20.0M | 0.00% | −28,729−5.4% | Reduced |
| Principal Financial Group Inc | 593,561 | $24.1M | 0.01% | +8,203+1.4% | Added |
| Fisher Asset Management, LLC | 635,141 | $25.7M | 0.01% | −157,128−19.8% | Reduced |
| Invesco Ltd. | 638,880 | $25.9M | 0.00% | −62,785−8.9% | Reduced |
| Federated Hermes, Inc. | 666,525 | $27.0M | 0.04% | −21,695−3.2% | Reduced |
| Old West Investment Management, LLC | 693,549 | $28.1M | 2.98% | −3,644−0.5% | Reduced |
| Vanguard Fiduciary Trust Co | 711,899 | $28.8M | 0.01% | +21,291+3.1% | Added |
| Massachusetts Financial Services Co | 757,311 | $30.7M | 0.01% | +75,711+11.1% | Added |
| Goehring & Rozencwajg Associates, LLC | 775,476 | $31.4M | 1.81% | +61,890+8.7% | Added |
| Ranger Investment Management, L.P. | 777,643 | $31.5M | 1.99% | −18,952−2.4% | Reduced |
| Royal Bank of Canada | 932,192 | $37.8M | 0.01% | −116,018−11.1% | Reduced |
| Goldman Sachs Group Inc | 1,076,557 | $43.6M | 0.00% | +76,666+7.7% | Added |
| Bank of New York Mellon Corp | 1,126,793 | $45.7M | 0.01% | +371,522+49.2% | Added |
| Morgan Stanley | 1,207,487 | $48.9M | 0.00% | +167,154+16.1% | Added |
| Price T Rowe Associates Inc | 1,320,910 | $53.5M | 0.01% | +25,665+2.0% | Added |
| Nomura Asset Management International Inc. | 1,330,080 | $53.9M | 0.08% | +1,330,080 | New |
| Charles Schwab Investment Management Inc | 1,339,591 | $54.3M | 0.01% | −43,533−3.1% | Reduced |
| Northern Trust Corp | 1,371,471 | $55.6M | 0.01% | +103,543+8.2% | Added |
| Loomis Sayles & Co L P | 1,606,095 | $65.1M | 0.08% | −94,194−5.5% | Reduced |
| Reinhart Partners, Inc. | 1,648,423 | $66.8M | 1.53% | +1,648,423 | New |
| Van Eck Associates Corp | 1,849,926 | $75.0M | 0.05% | −211,561−10.3% | Reduced |
| Greenhouse Funds LLLP | 1,896,343 | $76.8M | 4.05% | −136,146−6.7% | Reduced |
| Barrow Hanley Mewhinney & Strauss LLC | 2,272,949 | $92.1M | 0.28% | +851,995+60.0% | Added |
| Geode Capital Management, LLC | 2,839,554 | $115.1M | 0.01% | +463,093+19.5% | Added |
| Franklin Resources Inc | 3,060,961 | $124.0M | 0.03% | +2,232,589+269.5% | Added |
| Morgan Stanley Institutional Investment Advisors LLC | 3,066,015 | $124.2M | 11.60% | −386,990−11.2% | Reduced |
| Neuberger Berman Group LLC | 3,228,635 | $130.8M | 0.09% | +10,376+0.3% | Added |
| Dimensional Fund Advisors LP | 3,546,908 | $143.7M | 0.03% | +85,159+2.5% | Added |
| Earnest Partners LLC | 3,547,295 | $143.7M | 0.52% | −137,018−3.7% | Reduced |
| American Century Companies Inc | 4,023,994 | $163.1M | 0.07% | +257,320+6.8% | Added |
| Vanguard Capital Management LLC | 4,485,268 | $181.7M | 0.00% | +6,505+0.1% | Added |
| Brown Advisory Inc | 4,967,307 | $201.3M | 0.31% | −821,294−14.2% | Reduced |
| State Street Corp | 4,994,403 | $202.4M | 0.01% | −39,793−0.8% | Reduced |
| Vanguard Portfolio Management LLC | 7,926,938 | $321.2M | 0.01% | +348,017+4.6% | Added |
| BlackRock, Inc. | 16,403,230 | $664.7M | 0.01% | +54,388+0.3% | Added |
| Boston Partners | 0 | $0 | 0.00% | −854,941−100.0% | Sold out |
| Qube Research & Technologies Ltd | 0 | $0 | 0.00% | −588,323−100.0% | Sold out |
| Fort Washington Investment Advisors Inc | 0 | $0 | 0.00% | −526,034−100.0% | Sold out |
| Agf Management Ltd | 0 | $0 | 0.00% | −365,938−100.0% | Sold out |
| EAM Investors, LLC | 0 | $0 | 0.00% | −127,269−100.0% | Sold out |
| Citadel Advisors LLC | 0 | $0 | 0.00% | −78,377−100.0% | Sold out |
| Y-Intercept (Hong Kong) Ltd | 0 | $0 | 0.00% | −62,516−100.0% | Sold out |
| Connor, Clark & Lunn Investment Management Ltd. | 0 | $0 | 0.00% | −48,333−100.0% | Sold out |
| Lord, Abbett & Co. LLC | 0 | $0 | 0.00% | −45,000−100.0% | Sold out |
| Melqart Asset Management (UK) Ltd | 0 | $0 | 0.00% | −42,922−100.0% | Sold out |
| Jane Street Group, LLC | 0 | $0 | 0.00% | −41,029−100.0% | Sold out |
| Carlson Capital L P | 0 | $0 | 0.00% | −32,800−100.0% | Sold out |
| Man Group plc | 0 | $0 | 0.00% | −24,178−100.0% | Sold out |
| Engineers Gate Manager LP | 0 | $0 | 0.00% | −24,050−100.0% | Sold out |
| Towarzystwo Funduszy Inwestycyjnych Pzu SA | 0 | $0 | 0.00% | −21,000−100.0% | Sold out |
| Oldfield Partners LLP | 0 | $0 | 0.00% | −28,729−100.0% | Sold out |
| XTX Topco Ltd | 0 | $0 | 0.00% | −18,018−100.0% | Sold out |
| Andina Capital Management, LLC | 0 | $0 | 0.00% | −14,766−100.0% | Sold out |
| Balyasny Asset Management LLC | 0 | $0 | 0.00% | −14,762−100.0% | Sold out |
| Ieq Capital, LLC | 0 | $0 | 0.00% | −14,394−100.0% | Sold out |
| Campbell & CO Investment Adviser LLC | 0 | $0 | 0.00% | −13,862−100.0% | Sold out |
| Elo Mutual Pension Insurance Co | 0 | $0 | 0.00% | −11,964−100.0% | Sold out |
| K.J. Harrison & Partners Inc | 0 | $0 | 0.00% | −11,600−100.0% | Sold out |
| Gallacher Capital Management LLC | 0 | $0 | 0.00% | −10,231−100.0% | Sold out |