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 |
|---|---|---|---|---|---|
| Wealth Enhancement Advisory Services, LLC | 25,557 | $801.0K | 0.00% | +1,803+7.6% | Added |
| Amundi | 19,778 | $801.4K | 0.00% | +9,252+87.9% | Added |
| Hantz Financial Services, Inc. | 19,833 | $804.0K | 0.01% | +17,564+774.1% | Added |
| Round Rock Advisors, LLC | 20,056 | $812.7K | 0.10% | +2,744+15.9% | Added |
| CWM Advisors, LLC | 20,075 | $813.4K | 0.03% | +1,269+6.7% | Added |
| Diversified Trust Co | 20,699 | $838.7K | 0.01% | −82−0.4% | Reduced |
| LPL Financial LLC | 21,069 | $853.7K | 0.00% | +8,715+70.5% | Added |
| EP Wealth Advisors, LLC | 21,106 | $855.2K | 0.00% | −161−0.8% | Reduced |
| Central Pacific Bank - Trust Division | 21,696 | $879.1K | 0.09% | +6,736+45.0% | Added |
| KLP Kapitalforvaltning AS | 22,000 | $891.4K | 0.00% | 00.0% | Unchanged |
| Oregon Public Employees Retirement Fund | 22,678 | $918.9K | 0.01% | −100−0.4% | Reduced |
| Walleye Trading LLC | 23,023 | $932.9K | 0.01% | −41,221−64.2% | Reduced |
| Group One Trading, L.P. | 23,298 | $944.0K | 0.03% | +18,604+396.3% | Added |
| SG Americas Securities, LLC | 23,332 | $945.0K | 0.00% | +14,569+166.3% | Added |
| Diametric Capital, LP | 23,592 | $955.9K | 0.10% | +23,592 | New |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 23,653 | $958.4K | 0.00% | −1,021−4.1% | Reduced |
| Weiss Asset Management LP | 23,694 | $960.1K | 0.01% | +23,694 | New |
| Hennion & Walsh Asset Management, Inc. | 24,000 | $972.5K | 0.03% | 00.0% | Unchanged |
| QRG Capital Management, Inc. | 24,006 | $972.7K | 0.01% | +2,743+12.9% | Added |
| BNP Paribas Arbitrage, SA | 24,229 | $981.8K | 0.00% | −183,107−88.3% | Reduced |
| CSM Advisors, LLC | 24,462 | $992.0K | 0.02% | +9,849+67.4% | Added |
| Susquehanna International Group, LLP | 24,742 | $1.00M | 0.00% | −47,393−65.7% | Reduced |
| Vanguard Investments Australia, Ltd. | 24,979 | $1.01M | 0.00% | 00.0% | Unchanged |
| Capstone Investment Advisors, LLC | 25,094 | $1.02M | 0.01% | +25,094 | New |
| Teachers Retirement System of the State of Kentucky | 25,176 | $1.02M | 0.01% | 00.0% | Unchanged |
| Holocene Advisors, LP | 25,369 | $1.03M | 0.00% | +25,369 | New |
| Quantinno Capital Management LP | 25,428 | $1.03M | 0.00% | +6,840+36.8% | Added |
| Riverwater Partners LLC | 25,798 | $1.05M | 0.31% | +25,798 | New |
| Janney Montgomery Scott LLC | 26,214 | $1.06M | 0.00% | +11,999+84.4% | Added |
| Yousif Capital Management, LLC | 26,621 | $1.08M | 0.01% | +33+0.1% | Added |
| Nikko Asset Management Americas, Inc. | 26,763 | $1.08M | 0.01% | −255−0.9% | Reduced |
| Sumitomo Mitsui Trust Holdings, Inc. | 26,763 | $1.08M | 0.00% | −255−0.9% | Reduced |
| Amalgamated Bank | 26,822 | $1.09M | 0.01% | −1,875−6.5% | Reduced |
| STRS Ohio | 27,100 | $1.10M | 0.00% | +4,900+22.1% | Added |
| Arizona State Retirement System | 27,426 | $1.11M | 0.01% | +35+0.1% | Added |
| Mariner, LLC | 27,542 | $1.12M | 0.00% | −4,668−14.5% | Reduced |
| JustInvest LLC | 28,326 | $1.15M | 0.01% | −2,261−7.4% | Reduced |
| Bleakley Financial Group, LLC | 29,189 | $1.18M | 0.02% | +9,575+48.8% | Added |
| CWA Asset Management Group, LLC | 29,554 | $1.20M | 0.04% | +5,667+23.7% | Added |
| Police & Firemen's Retirement System of New Jersey | 29,728 | $1.20M | 0.01% | +2,365+8.6% | Added |
| Toroso Investments, LLC | 30,209 | $1.22M | 0.00% | +2,341+8.4% | Added |
| Fifth Third Bancorp | 30,246 | $1.23M | 0.00% | +720+2.4% | Added |
| Mutual Advisors, LLC | 30,555 | $1.24M | 0.02% | +30,555 | New |
| Victory Capital Management Inc | 32,464 | $1.32M | 0.00% | −5,970−15.5% | Reduced |
| GWM Advisors LLC | 32,640 | $1.32M | 0.00% | +6,367+24.2% | Added |
| Fulcrum Asset Management LLP | 33,530 | $1.33M | 0.13% | −5,287−13.6% | Reduced |
| Caxton Associates LLP | 32,859 | $1.33M | 0.03% | +4,765+17.0% | Added |
| Stifel Financial Corp | 35,208 | $1.43M | 0.00% | +35,208 | New |
| SummerHaven Investment Management, LLC | 36,155 | $1.47M | 0.79% | 00.0% | Unchanged |
| Natixis Advisors, L.P. | 36,318 | $1.47M | 0.00% | +2,375+7.0% | Added |
| State of Alaska, Department of Revenue | 36,503 | $1.48M | 0.01% | −16,404−31.0% | Reduced |
| Guggenheim Capital LLC | 37,522 | $1.52M | 0.01% | +16,242+76.3% | Added |
| Winton Group Ltd | 37,534 | $1.52M | 0.05% | −2,464−6.2% | Reduced |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 37,647 | $1.53M | 0.00% | +14,688+64.0% | Added |
| Dockside LLC | 38,430 | $1.56M | 0.36% | +38,430 | New |
| Vanguard Global Advisers, LLC | 41,385 | $1.68M | 0.00% | −831−2.0% | Reduced |
| State of New Jersey Common Pension Fund D | 41,636 | $1.69M | 0.01% | −20,523−33.0% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 42,922 | $1.74M | 0.00% | 00.0% | Unchanged |
| Louisiana State Employees Retirement System | 43,700 | $1.77M | 0.03% | −500−1.1% | Reduced |
| Renaissance Technologies LLC | 44,792 | $1.81M | 0.00% | −40,208−47.3% | Reduced |
| State of Tennessee, Treasury Department | 46,250 | $1.87M | 0.01% | −6,327−12.0% | Reduced |
| Mirae Asset Global ETFs Holdings Ltd. | 46,413 | $1.88M | 0.00% | +73+0.2% | Added |
| CoreCommodity Management, LLC | 47,617 | $1.93M | 0.38% | +1,527+3.3% | Added |
| Kestra Advisory Services, LLC | 48,607 | $1.97M | 0.01% | +170+0.4% | Added |
| Manufacturers Life Insurance Company, The | 49,067 | $1.99M | 0.00% | +4,179+9.3% | Added |
| Illinois Municipal Retirement Fund | 51,306 | $2.08M | 0.02% | +210+0.4% | Added |
| State Board of Administration of Florida Retirement System | 51,673 | $2.09M | 0.00% | −6,120−10.6% | Reduced |
| Bridgeway Capital Management, LLC | 53,000 | $2.15M | 0.04% | −15,000−22.1% | Reduced |
| Algert Global LLC | 53,793 | $2.18M | 0.03% | −399,092−88.1% | Reduced |
| Raymond James Financial Inc | 54,613 | $2.21M | 0.00% | +5,084+10.3% | Added |
| Voya Investment Management LLC | 55,638 | $2.25M | 0.00% | +2,791+5.3% | Added |
| MetLife Investment Management | 58,718 | $2.38M | 0.01% | +3,888+7.1% | Added |
| Integrated Quantitative Investments LLC | 59,747 | $2.42M | 0.40% | −1,052−1.7% | Reduced |
| Jennison Associates LLC | 60,963 | $2.47M | 0.00% | +951+1.6% | Added |
| Squarepoint Ops LLC | 62,023 | $2.51M | 0.00% | +26,478+74.5% | Added |
| Pathstone Holdings, LLC | 65,026 | $2.63M | 0.01% | −3,310−4.8% | Reduced |
| Edgestream Partners, L.P. | 65,581 | $2.66M | 0.08% | −50,963−43.7% | Reduced |
| Annex Advisory Services, LLC | 67,302 | $2.73M | 0.05% | +15,254+29.3% | Added |
| Thrivent Financial for Lutherans | 67,579 | $2.74M | 0.00% | −1,099−1.6% | Reduced |
| GeoSphere Capital Management, LLC | 69,689 | $2.82M | 1.46% | −50,311−41.9% | Reduced |
| Oppenheimer Asset Management Inc. | 70,143 | $2.84M | 0.03% | +11,056+18.7% | Added |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 71,302 | $2.89M | 0.00% | −29,829−29.5% | Reduced |
| Harbor Capital Advisors, Inc. | 71,652 | $2.90M | 0.20% | +41,972+141.4% | Added |
| Citigroup Inc | 72,139 | $2.92M | 0.00% | +52,328+264.1% | Added |
| Legato Capital Management LLC | 72,601 | $2.94M | 0.24% | +3,273+4.7% | Added |
| Glenorchy Capital Ltd | 74,354 | $3.01M | 1.88% | +89+0.1% | Added |
| Creative Planning | 74,796 | $3.03M | 0.00% | +25,122+50.6% | Added |
| Intech Investment Management LLC | 76,280 | $3.09M | 0.03% | −21,039−21.6% | Reduced |
| Great West Life Assurance Co | 78,603 | $3.18M | 0.01% | −2,612−3.2% | Reduced |
| Gotham Asset Management, LLC | 78,820 | $3.19M | 0.01% | +12,892+19.6% | Added |
| Vanguard Asset Management, Ltd | 79,314 | $3.21M | 0.00% | +4,366+5.8% | Added |
| Royce & Associates LP | 90,020 | $3.65M | 0.03% | +7,003+8.4% | Added |
| EFG International AG | 91,994 | $3.73M | 0.07% | −26,145−22.1% | Reduced |
| New York State Common Retirement Fund | 95,768 | $3.88M | 0.00% | +4,200+4.6% | Added |
| Isthmus Partners, LLC | 95,786 | $3.88M | 0.38% | −578−0.6% | Reduced |
| State of Wisconsin Investment Board | 102,088 | $4.14M | 0.01% | −10,230−9.1% | Reduced |
| Deutsche Bank AG | 104,689 | $4.24M | 0.00% | +16,591+18.8% | Added |
| Marshall Wace, LLP | 104,778 | $4.25M | 0.00% | +104,778 | New |
| Vident Advisory, LLC | 106,691 | $4.32M | 0.03% | +35,762+50.4% | Added |
| California State Teachers Retirement System | 116,278 | $4.71M | 0.00% | −3,343−2.8% | Reduced |