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 4 sales; 376 institutions reported holding it in 13F filings for Q2 2026, worth $4.22B in total; no superinvestor holds it.
13F holders, Q1 2026
Institutional positions in Oceaneering International Inc as of Mar 31, 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
- 367
- +57 vs. Q4 2025
- Shares held
- 101.7M
- +14.2M (+16.3%) vs. Q4 2025
- Total value
- $3.61B
- +$1.50B (+71.5%) vs. Q4 2025
- New holders
- 90
- 132 more added
- Sold out
- 33
- 104 more reduced
4 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2025: 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, Q1 2026
Shares, value and share of portfolio for each institution holding Oceaneering International Inc; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Swiss National Bank | 197,548 | $7.01M | 0.00% | 00.0% | Unchanged |
| Ameriprise Financial Inc | 200,965 | $7.13M | 0.00% | −9,714−4.6% | Reduced |
| BNP Paribas Arbitrage, SA | 207,336 | $7.35M | 0.00% | +13,384+6.9% | Added |
| Archon Capital Management LLC | 208,000 | $7.38M | 4.16% | +208,000 | New |
| Janus Henderson Group PLC | 217,255 | $7.71M | 0.00% | +173,237+393.6% | Added |
| Prudential Financial Inc | 220,871 | $7.83M | 0.01% | −38,440−14.8% | Reduced |
| Rhumbline Advisers | 233,833 | $8.29M | 0.01% | +7,210+3.2% | Added |
| Legal & General Group Plc | 233,926 | $8.30M | 0.00% | −20,133−7.9% | Reduced |
| Sagefield Capital LP | 244,160 | $8.66M | 0.62% | −135,910−35.8% | Reduced |
| Russell Investments Group, Ltd. | 245,462 | $8.71M | 0.01% | −22,714−8.5% | Reduced |
| Bank of America Corp | 261,231 | $9.27M | 0.00% | −366,703−58.4% | Reduced |
| Aristotle Capital Boston, LLC | 271,490 | $9.63M | 0.60% | −178,816−39.7% | Reduced |
| Envestnet Asset Management Inc | 279,711 | $9.92M | 0.00% | +51,022+22.3% | Added |
| Barclays PLC | 298,709 | $10.6M | 0.00% | −118,083−28.3% | Reduced |
| UBS Asset Management Americas Inc | 299,573 | $10.6M | 0.00% | +8,669+3.0% | Added |
| UBS Group AG | 315,828 | $11.2M | 0.00% | −142,383−31.1% | Reduced |
| Granite Investment Partners, LLC | 327,053 | $11.6M | 0.71% | +88,673+37.2% | Added |
| Gamco Investors, Inc. Et Al | 338,298 | $12.0M | 0.12% | −3,542−1.0% | Reduced |
| Keating Investment Counselors Inc | 338,438 | $12.0M | 2.97% | −15,918−4.5% | Reduced |
| FMR LLC | 345,532 | $12.3M | 0.00% | +75,767+28.1% | Added |
| Public Sector Pension Investment Board | 356,983 | $12.7M | 0.04% | +11,713+3.4% | Added |
| Agf Management Ltd | 365,938 | $13.0M | 0.06% | −8,780−2.3% | Reduced |
| Storebrand Asset Management AS | 366,188 | $13.0M | 0.04% | +366,188 | New |
| AQR Capital Management LLC | 392,150 | $13.9M | 0.01% | +19,401+5.2% | Added |
| Nuveen, LLC | 435,150 | $15.4M | 0.00% | −265,131−37.9% | Reduced |
| First Trust Advisors LP | 435,176 | $15.4M | 0.01% | −127,310−22.6% | Reduced |
| SEI Investments Co | 440,691 | $15.6M | 0.01% | +21,905+5.2% | Added |
| Algert Global LLC | 452,885 | $16.1M | 0.24% | −246,761−35.3% | Reduced |
| Panagora Asset Management Inc | 482,776 | $17.1M | 0.06% | +98,810+25.7% | Added |
| JPMorgan Chase & Co | 529,104 | $18.2M | 0.00% | +21,221+4.2% | Added |
| Boston Trust Walden Corp | 519,477 | $18.4M | 0.15% | −12,702−2.4% | Reduced |
| Fort Washington Investment Advisors Inc | 526,034 | $18.7M | 0.10% | −330,610−38.6% | Reduced |
| Principal Financial Group Inc | 585,358 | $20.8M | 0.01% | +8,536+1.5% | Added |
| Qube Research & Technologies Ltd | 588,323 | $20.9M | 0.03% | −577,613−49.5% | Reduced |
| Schroder Investment Management Group | 604,219 | $21.4M | 0.02% | +102,305+20.4% | Added |
| Massachusetts Financial Services Co | 681,600 | $24.2M | 0.01% | +681,600 | New |
| Federated Hermes, Inc. | 688,220 | $24.4M | 0.04% | +578,319+526.2% | Added |
| Vanguard Fiduciary Trust Co | 690,608 | $24.5M | 0.01% | +690,608 | New |
| Old West Investment Management, LLC | 697,193 | $24.7M | 2.68% | +153,922+28.3% | Added |
| Invesco Ltd. | 701,665 | $24.9M | 0.00% | +104,302+17.5% | Added |
| Goehring & Rozencwajg Associates, LLC | 713,586 | $25.3M | 1.36% | +144,852+25.5% | Added |
| Bank of New York Mellon Corp | 755,271 | $26.8M | 0.00% | −14,975−1.9% | Reduced |
| Fisher Asset Management, LLC | 792,269 | $28.1M | 0.01% | −829−0.1% | Reduced |
| Ranger Investment Management, L.P. | 796,595 | $28.3M | 2.04% | −6,040−0.8% | Reduced |
| Franklin Resources Inc | 828,372 | $29.4M | 0.01% | +382,168+85.6% | Added |
| Boston Partners | 854,941 | $30.3M | 0.03% | +854,941 | New |
| Goldman Sachs Group Inc | 999,891 | $35.5M | 0.00% | −273,778−21.5% | Reduced |
| Morgan Stanley | 1,040,333 | $36.9M | 0.00% | −720−0.1% | Reduced |
| Royal Bank of Canada | 1,048,210 | $37.2M | 0.01% | −173,579−14.2% | Reduced |
| Northern Trust Corp | 1,267,928 | $45.0M | 0.01% | +51,069+4.2% | Added |
| Price T Rowe Associates Inc | 1,295,245 | $45.9M | 0.01% | +1,193,937+1,178.5% | Added |
| Charles Schwab Investment Management Inc | 1,383,124 | $49.1M | 0.01% | −59,750−4.1% | Reduced |
| Barrow Hanley Mewhinney & Strauss LLC | 1,420,954 | $50.4M | 0.17% | +1,420,954 | New |
| Loomis Sayles & Co L P | 1,700,289 | $60.3M | 0.08% | −131,145−7.2% | Reduced |
| Greenhouse Funds LLLP | 2,032,489 | $72.1M | 3.42% | −435,771−17.7% | Reduced |
| Van Eck Associates Corp | 2,061,487 | $73.1M | 0.05% | +561,430+37.4% | Added |
| Geode Capital Management, LLC | 2,376,461 | $84.3M | 0.01% | +71,723+3.1% | Added |
| Neuberger Berman Group LLC | 3,218,259 | $114.2M | 0.09% | −116,862−3.5% | Reduced |
| Morgan Stanley Institutional Investment Advisors LLC | 3,453,005 | $122.5M | 11.81% | −494,017−12.5% | Reduced |
| Dimensional Fund Advisors LP | 3,461,749 | $122.8M | 0.03% | −15,319−0.4% | Reduced |
| Earnest Partners LLC | 3,684,313 | $130.7M | 0.54% | −107,286−2.8% | Reduced |
| American Century Companies Inc | 3,766,674 | $133.6M | 0.07% | +158,584+4.4% | Added |
| Vanguard Capital Management LLC | 4,478,763 | $158.9M | 0.00% | +4,478,763 | New |
| State Street Corp | 5,034,196 | $178.6M | 0.01% | +386,944+8.3% | Added |
| Brown Advisory Inc | 5,788,601 | $205.3M | 0.34% | −1,638,380−22.1% | Reduced |
| Vanguard Portfolio Management LLC | 7,578,921 | $268.8M | 0.01% | +7,578,921 | New |
| BlackRock, Inc. | 16,348,842 | $579.9M | 0.01% | +345,492+2.2% | Added |
| Point72 Asset Management, L.P. | 0 | $0 | 0.00% | −699,212−100.0% | Sold out |
| Tudor Investment Corp Et Al | 0 | $0 | 0.00% | −539,676−100.0% | Sold out |
| SIR Capital Management, L.P. | 0 | $0 | 0.00% | −120,000−100.0% | Sold out |
| Trexquant Investment LP | 0 | $0 | 0.00% | −112,759−100.0% | Sold out |
| Millennium Management LLC | 0 | $0 | 0.00% | −88,022−100.0% | Sold out |
| D. E. Shaw & Co., Inc. | 0 | $0 | 0.00% | −77,348−100.0% | Sold out |
| Brevan Howard Capital Management LP | 0 | $0 | 0.00% | −69,859−100.0% | Sold out |
| Wedge Capital Management L L P | 0 | $0 | 0.00% | −60,742−100.0% | Sold out |
| Dockside LLC | 0 | $0 | 0.00% | −58,772−100.0% | Sold out |
| Schonfeld Strategic Advisors LLC | 0 | $0 | 0.00% | −35,082−100.0% | Sold out |
| ExodusPoint Capital Management, LP | 0 | $0 | 0.00% | −34,827−100.0% | Sold out |
| West Tower Group, LLC | 0 | $0 | 0.00% | −27,000−100.0% | Sold out |
| Versor Investments LP | 0 | $0 | 0.00% | −22,942−100.0% | Sold out |
| O'Shaughnessy Asset Management, LLC | 0 | $0 | 0.00% | −20,509−100.0% | Sold out |
| DRW Securities, LLC | 0 | $0 | 0.00% | −19,171−100.0% | Sold out |
| Inceptionr LLC | 0 | $0 | 0.00% | −15,595−100.0% | Sold out |
| Gsa Capital Partners LLP | 0 | $0 | 0.00% | −14,739−100.0% | Sold out |
| Quest Partners LLC | 0 | $0 | 0.00% | −13,100−100.0% | Sold out |
| MQS Management LLC | 0 | $0 | 0.00% | −10,211−100.0% | Sold out |
| Verition Fund Management LLC | 0 | $0 | 0.00% | −9,865−100.0% | Sold out |
| Prelude Capital Management, LLC | 0 | $0 | 0.00% | −9,013−100.0% | Sold out |
| Aster Capital Management (DIFC) Ltd | 0 | $0 | 0.00% | −3,325−100.0% | Sold out |
| Investors Research Corp | 0 | $0 | 0.00% | −1,100−100.0% | Sold out |
| Flagship Harbor Advisors, LLC | 0 | $0 | 0.00% | −433−100.0% | Sold out |
| DV Trading LLC | 0 | $0 | 0.00% | −300−100.0% | Sold out |
| SageView Advisory Group, LLC | 0 | $0 | 0.00% | −200−100.0% | Sold out |
| Neo Ivy Capital Management | 0 | $0 | 0.00% | −64−100.0% | Sold out |
| Optiver Holding B.V. | 0 | $0 | 0.00% | −56−100.0% | Sold out |
| Quarry LP | 0 | $0 | 0.00% | −56−100.0% | Sold out |
| McGuire Capital Advisors Inc | 0 | $0 | 0.00% | −37−100.0% | Sold out |
| Optima Capital LLC | 0 | $0 | 0.00% | −22−100.0% | Sold out |
| Basecamp Wealth Advisors LLC | 0 | $0 | 0.00% | −16−100.0% | Sold out |
| Clearstead Advisors, LLC | 0 | $0 | 0.00% | −14−100.0% | Sold out |