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
- +$629.1M (+17.5%) vs. Q1 2026
- New holders
- 67
- 148 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 | $2.39B |
| Q2 2025 | 288 | $2.01B |
| Q1 2025 | 286 | $2.10B |
| Q4 2024 | 287 | $2.62B |
| Q3 2024 | 260 | $2.53B |
| Q2 2024 | 234 | $2.38B |
| Q1 2024 | 233 | $2.32B |
| Q4 2023 | 235 | $2.04B |
| Q3 2023 | 243 | $2.39B |
| Q2 2023 | 224 | $1.76B |
| Q1 2023 | 228 | $1.74B |
| Q4 2022 | 207 | $1.63B |
| Q3 2022 | 201 | $727.9M |
| Q2 2022 | 200 | $988.4M |
| Q1 2022 | 220 | $1.37B |
| Q4 2021 | 200 | $987.7M |
| Q3 2021 | 196 | $1.16B |
| Q2 2021 | 190 | $1.37B |
| Q1 2021 | 179 | $994.7M |
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 |
|---|---|---|---|---|---|
| BlackRock, Inc. | 16,403,230 | $664.7M | 0.01% | +54,388+0.3% | Added |
| Vanguard Portfolio Management LLC | 7,926,938 | $321.2M | 0.01% | +348,017+4.6% | Added |
| State Street Corp | 4,994,403 | $202.4M | 0.01% | −39,793−0.8% | Reduced |
| Brown Advisory Inc | 4,967,307 | $201.3M | 0.31% | −821,294−14.2% | Reduced |
| Vanguard Capital Management LLC | 4,485,268 | $181.7M | 0.00% | +6,505+0.1% | Added |
| American Century Companies Inc | 4,023,994 | $163.1M | 0.07% | +257,320+6.8% | Added |
| Earnest Partners LLC | 3,547,295 | $143.7M | 0.52% | −137,018−3.7% | Reduced |
| Dimensional Fund Advisors LP | 3,546,908 | $143.7M | 0.03% | +85,159+2.5% | Added |
| Neuberger Berman Group LLC | 3,228,635 | $130.8M | 0.09% | +10,376+0.3% | Added |
| Morgan Stanley Institutional Investment Advisors LLC | 3,066,015 | $124.2M | 11.60% | −386,990−11.2% | Reduced |
| Franklin Resources Inc | 3,060,961 | $124.0M | 0.03% | +2,232,589+269.5% | Added |
| Geode Capital Management, LLC | 2,839,554 | $115.1M | 0.01% | +463,093+19.5% | Added |
| Barrow Hanley Mewhinney & Strauss LLC | 2,272,949 | $92.1M | 0.28% | +851,995+60.0% | Added |
| Greenhouse Funds LLLP | 1,896,343 | $76.8M | 4.05% | −136,146−6.7% | Reduced |
| Van Eck Associates Corp | 1,849,926 | $75.0M | 0.05% | −211,561−10.3% | Reduced |
| Reinhart Partners, Inc. | 1,648,423 | $66.8M | 1.53% | +1,648,423 | New |
| Loomis Sayles & Co L P | 1,606,095 | $65.1M | 0.08% | −94,194−5.5% | Reduced |
| Northern Trust Corp | 1,371,471 | $55.6M | 0.01% | +103,543+8.2% | Added |
| Charles Schwab Investment Management Inc | 1,339,591 | $54.3M | 0.01% | −43,533−3.1% | Reduced |
| Nomura Asset Management International Inc. | 1,330,080 | $53.9M | 0.08% | +1,330,080 | New |
| Price T Rowe Associates Inc | 1,320,910 | $53.5M | 0.01% | +25,665+2.0% | Added |
| Morgan Stanley | 1,207,487 | $48.9M | 0.00% | +167,154+16.1% | Added |
| Bank of New York Mellon Corp | 1,126,793 | $45.7M | 0.01% | +371,522+49.2% | Added |
| Goldman Sachs Group Inc | 1,076,557 | $43.6M | 0.00% | +76,666+7.7% | Added |
| Royal Bank of Canada | 932,192 | $37.8M | 0.01% | −116,018−11.1% | Reduced |
| Ranger Investment Management, L.P. | 777,643 | $31.5M | 1.99% | −18,952−2.4% | Reduced |
| Goehring & Rozencwajg Associates, LLC | 775,476 | $31.4M | 1.81% | +61,890+8.7% | Added |
| Massachusetts Financial Services Co | 757,311 | $30.7M | 0.01% | +75,711+11.1% | Added |
| Vanguard Fiduciary Trust Co | 711,899 | $28.8M | 0.01% | +21,291+3.1% | Added |
| Old West Investment Management, LLC | 693,549 | $28.1M | 2.98% | −3,644−0.5% | Reduced |
| Federated Hermes, Inc. | 666,525 | $27.0M | 0.04% | −21,695−3.2% | Reduced |
| Invesco Ltd. | 638,880 | $25.9M | 0.00% | −62,785−8.9% | Reduced |
| Fisher Asset Management, LLC | 635,141 | $25.7M | 0.01% | −157,128−19.8% | Reduced |
| Principal Financial Group Inc | 593,561 | $24.1M | 0.01% | +8,203+1.4% | Added |
| JPMorgan Chase & Co | 500,375 | $20.0M | 0.00% | −28,729−5.4% | Reduced |
| Panagora Asset Management Inc | 485,013 | $19.7M | 0.06% | +2,237+0.5% | Added |
| Boston Trust Walden Corp | 464,819 | $18.8M | 0.14% | −54,658−10.5% | Reduced |
| AQR Capital Management LLC | 449,040 | $18.2M | 0.01% | +56,890+14.5% | Added |
| First Trust Advisors LP | 421,475 | $17.1M | 0.01% | −13,701−3.1% | Reduced |
| Schroder Investment Management Group | 399,661 | $15.8M | 0.01% | −204,558−33.9% | Reduced |
| Storebrand Asset Management AS | 366,188 | $14.8M | 0.04% | 00.0% | Unchanged |
| Bank of America Corp | 364,827 | $14.8M | 0.00% | +103,596+39.7% | Added |
| FMR LLC | 349,342 | $14.2M | 0.00% | +3,810+1.1% | Added |
| Public Sector Pension Investment Board | 342,697 | $13.9M | 0.04% | −14,286−4.0% | Reduced |
| Keating Investment Counselors Inc | 333,778 | $13.5M | 3.71% | −4,660−1.4% | Reduced |
| Bessemer Group Inc | 331,212 | $13.4M | 0.02% | +329,327+17,470.9% | Added |
| Granite Investment Partners, LLC | 328,414 | $13.3M | 0.68% | +1,361+0.4% | Added |
| SEI Investments Co | 314,092 | $12.7M | 0.01% | −126,599−28.7% | Reduced |
| Envestnet Asset Management Inc | 310,197 | $12.6M | 0.00% | +30,486+10.9% | Added |
| Nuveen, LLC | 307,461 | $12.5M | 0.00% | −127,689−29.3% | Reduced |
| Gamco Investors, Inc. Et Al | 303,898 | $12.3M | 0.11% | −34,400−10.2% | Reduced |
| Sagefield Capital LP | 284,724 | $11.5M | 0.86% | +40,564+16.6% | Added |
| Hennessy Advisors Inc | 267,086 | $10.8M | 0.35% | +267,086 | New |
| Russell Investments Group, Ltd. | 258,066 | $10.5M | 0.01% | +12,604+5.1% | Added |
| UBS Group AG | 254,309 | $10.3M | 0.00% | −61,519−19.5% | Reduced |
| Rhumbline Advisers | 246,569 | $9.99M | 0.01% | +12,736+5.4% | Added |
| Aristotle Capital Boston, LLC | 245,180 | $9.93M | 0.67% | −26,310−9.7% | Reduced |
| Legal & General Group Plc | 242,503 | $9.83M | 0.00% | +8,577+3.7% | Added |
| Wells Fargo & Company | 236,766 | $9.59M | 0.00% | +54,051+29.6% | Added |
| RMB Capital Management, LLC | 208,552 | $8.45M | 0.13% | +42,275+25.4% | Added |
| Ameriprise Financial Inc | 208,057 | $8.43M | 0.00% | +7,092+3.5% | Added |
| Archon Capital Management LLC | 208,000 | $8.43M | 3.42% | 00.0% | Unchanged |
| Swiss National Bank | 199,448 | $8.08M | 0.00% | +1,900+1.0% | Added |
| Prudential Financial Inc | 196,196 | $7.95M | 0.01% | −24,675−11.2% | Reduced |
| Gabelli Funds LLC | 194,079 | $7.86M | 0.05% | +12,054+6.6% | Added |
| Alliancebernstein L.P. | 202,234 | $7.17M | 0.00% | +56,702+39.0% | Added |
| UBS Asset Management Americas Inc | 162,283 | $6.58M | 0.00% | −137,290−45.8% | Reduced |
| Manatuck Hill Partners, LLC | 160,600 | $6.51M | 2.16% | 00.0% | Unchanged |
| New York State Teachers Retirement System | 159,523 | $6.46M | 0.01% | +859+0.5% | Added |
| Jupiter Topco LLC | 156,318 | $6.33M | 0.00% | +156,318 | New |
| Millennium Management LLC | 154,688 | $6.27M | 0.00% | +154,688 | New |
| Essex Investment Management Co LLC | 151,463 | $6.14M | 0.80% | −6,911−4.4% | Reduced |
| Leuthold Group, LLC | 142,936 | $5.79M | 0.58% | −7,236−4.8% | Reduced |
| Empowered Funds, LLC | 134,103 | $5.43M | 0.03% | +1,476+1.1% | Added |
| Concurrent Investment Advisors, LLC | 131,457 | $5.33M | 0.05% | +14,910+12.8% | Added |
| Spears Abacus Advisors LLC | 121,769 | $4.93M | 0.09% | −42,709−26.0% | Reduced |
| California State Teachers Retirement System | 116,278 | $4.71M | 0.00% | −3,343−2.8% | Reduced |
| Vident Advisory, LLC | 106,691 | $4.32M | 0.03% | +35,762+50.4% | Added |
| Marshall Wace, LLP | 104,778 | $4.25M | 0.00% | +104,778 | New |
| Deutsche Bank AG | 104,689 | $4.24M | 0.00% | +16,591+18.8% | Added |
| State of Wisconsin Investment Board | 102,088 | $4.14M | 0.01% | −10,230−9.1% | Reduced |
| Isthmus Partners, LLC | 95,786 | $3.88M | 0.38% | −578−0.6% | Reduced |
| New York State Common Retirement Fund | 95,768 | $3.88M | 0.00% | +4,200+4.6% | Added |
| EFG International AG | 91,994 | $3.73M | 0.07% | −26,145−22.1% | Reduced |
| Royce & Associates LP | 90,020 | $3.65M | 0.03% | +7,003+8.4% | Added |
| Vanguard Asset Management, Ltd | 79,314 | $3.21M | 0.00% | +4,366+5.8% | Added |
| Gotham Asset Management, LLC | 78,820 | $3.19M | 0.01% | +12,892+19.6% | Added |
| Great West Life Assurance Co | 78,603 | $3.18M | 0.01% | −2,612−3.2% | Reduced |
| Intech Investment Management LLC | 76,280 | $3.09M | 0.03% | −21,039−21.6% | Reduced |
| Creative Planning | 74,796 | $3.03M | 0.00% | +25,122+50.6% | Added |
| Glenorchy Capital Ltd | 74,354 | $3.01M | 1.88% | +89+0.1% | Added |
| Legato Capital Management LLC | 72,601 | $2.94M | 0.24% | +3,273+4.7% | Added |
| Citigroup Inc | 72,139 | $2.92M | 0.00% | +52,328+264.1% | Added |
| Harbor Capital Advisors, Inc. | 71,652 | $2.90M | 0.20% | +41,972+141.4% | Added |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 71,302 | $2.89M | 0.00% | −29,829−29.5% | Reduced |
| Oppenheimer Asset Management Inc. | 70,143 | $2.84M | 0.03% | +11,056+18.7% | Added |
| GeoSphere Capital Management, LLC | 69,689 | $2.82M | 1.46% | −50,311−41.9% | Reduced |
| Thrivent Financial for Lutherans | 67,579 | $2.74M | 0.00% | −1,099−1.6% | Reduced |
| Annex Advisory Services, LLC | 67,302 | $2.73M | 0.05% | +15,254+29.3% | Added |
| Edgestream Partners, L.P. | 65,581 | $2.66M | 0.08% | −50,963−43.7% | Reduced |