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 |
|---|---|---|---|---|---|
| Guggenheim Capital LLC | 21,280 | $754.8K | 0.01% | +11,344+114.2% | Added |
| KLP Kapitalforvaltning AS | 22,000 | $780.3K | 0.00% | +600+2.8% | Added |
| STRS Ohio | 22,200 | $787.4K | 0.00% | +22,100+22,100.0% | Added |
| Oregon Public Employees Retirement Fund | 22,778 | $807.9K | 0.01% | −50−0.2% | Reduced |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 22,959 | $814.4K | 0.00% | +22,959 | New |
| CWA Asset Management Group, LLC | 23,887 | $847.3K | 0.03% | +23,887 | New |
| Hennion & Walsh Asset Management, Inc. | 24,000 | $851.3K | 0.03% | 00.0% | Unchanged |
| Engineers Gate Manager LP | 24,050 | $853.1K | 0.01% | −64,499−72.8% | Reduced |
| Man Group plc | 24,178 | $857.6K | 0.00% | +4,832+25.0% | Added |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 24,674 | $875.2K | 0.00% | −27−0.1% | Reduced |
| Profund Advisors LLC | 24,711 | $876.5K | 0.03% | +8,278+50.4% | Added |
| Vanguard Investments Australia, Ltd. | 24,979 | $886.0K | 0.00% | +24,979 | New |
| Teachers Retirement System of the State of Kentucky | 25,176 | $893.0K | 0.01% | 00.0% | Unchanged |
| GWM Advisors LLC | 26,273 | $931.9K | 0.00% | +6,713+34.3% | Added |
| Yousif Capital Management, LLC | 26,588 | $943.1K | 0.01% | −391−1.4% | Reduced |
| Sumitomo Mitsui Trust Holdings, Inc. | 27,018 | $958.3K | 0.00% | +885+3.4% | Added |
| Nikko Asset Management Americas, Inc. | 27,018 | $958.9K | 0.01% | +885+3.4% | Added |
| Police & Firemen's Retirement System of New Jersey | 27,363 | $970.6K | 0.01% | +1,306+5.0% | Added |
| Arizona State Retirement System | 27,391 | $971.6K | 0.01% | −354−1.3% | Reduced |
| Toroso Investments, LLC | 27,868 | $988.5K | 0.00% | +6,420+29.9% | Added |
| Caxton Associates LLP | 28,094 | $996.5K | 0.02% | −6,583−19.0% | Reduced |
| Amalgamated Bank | 28,697 | $1.02M | 0.01% | −377−1.3% | Reduced |
| Fifth Third Bancorp | 29,526 | $1.05M | 0.00% | +29,097+6,782.5% | Added |
| Harbor Capital Advisors, Inc. | 29,680 | $1.05M | 0.09% | −1,030−3.4% | Reduced |
| HighTower Advisors, LLC | 30,309 | $1.08M | 0.00% | +18,786+163.0% | Added |
| JustInvest LLC | 30,587 | $1.08M | 0.01% | +16,897+123.4% | Added |
| Mariner, LLC | 32,210 | $1.14M | 0.00% | +930+3.0% | Added |
| Carlson Capital L P | 32,800 | $1.16M | 0.46% | +800+2.5% | Added |
| CenterBook Partners LP | 33,144 | $1.18M | 0.06% | −67,076−66.9% | Reduced |
| Natixis Advisors, L.P. | 33,943 | $1.20M | 0.00% | +2,894+9.3% | Added |
| Squarepoint Ops LLC | 35,545 | $1.26M | 0.00% | −71,371−66.8% | Reduced |
| SummerHaven Investment Management, LLC | 36,155 | $1.28M | 0.79% | −2,885−7.4% | Reduced |
| Fulcrum Asset Management LLP | 38,817 | $1.34M | 0.20% | −65−0.2% | Reduced |
| Victory Capital Management Inc | 38,434 | $1.36M | 0.00% | +2,603+7.3% | Added |
| Winton Group Ltd | 39,998 | $1.42M | 0.05% | −4,675−10.5% | Reduced |
| Jane Street Group, LLC | 41,029 | $1.46M | 0.00% | −828−2.0% | Reduced |
| Vanguard Global Advisers, LLC | 42,216 | $1.50M | 0.00% | +42,216 | New |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 42,922 | $1.52M | 0.00% | +12,465+40.9% | Added |
| Melqart Asset Management (UK) Ltd | 42,922 | $1.52M | 0.15% | +42,922 | New |
| Louisiana State Employees Retirement System | 44,200 | $1.57M | 0.03% | −1,500−3.3% | Reduced |
| Manufacturers Life Insurance Company, The | 44,888 | $1.59M | 0.00% | −1,395−3.0% | Reduced |
| Lord, Abbett & Co. LLC | 45,000 | $1.60M | 0.01% | +45,000 | New |
| CoreCommodity Management, LLC | 46,090 | $1.63M | 0.30% | −5,403−10.5% | Reduced |
| Mirae Asset Global ETFs Holdings Ltd. | 46,340 | $1.64M | 0.00% | +424+0.9% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 48,333 | $1.71M | 0.00% | +48,333 | New |
| Kestra Advisory Services, LLC | 48,437 | $1.72M | 0.01% | −8,183−14.5% | Reduced |
| Raymond James Financial Inc | 49,529 | $1.76M | 0.00% | +842+1.7% | Added |
| Creative Planning | 49,674 | $1.76M | 0.00% | +17,858+56.1% | Added |
| Illinois Municipal Retirement Fund | 51,096 | $1.81M | 0.02% | +2,650+5.5% | Added |
| Annex Advisory Services, LLC | 52,048 | $1.85M | 0.03% | −1,731−3.2% | Reduced |
| State of Tennessee, Treasury Department | 52,577 | $1.86M | 0.01% | 00.0% | Unchanged |
| Voya Investment Management LLC | 52,847 | $1.87M | 0.00% | +3,574+7.3% | Added |
| State of Alaska, Department of Revenue | 52,907 | $1.88M | 0.02% | −1,551−2.8% | Reduced |
| MetLife Investment Management | 54,830 | $1.94M | 0.01% | +996+1.9% | Added |
| Swiss Life Asset Management Ltd | 37,018 | $1.95M | 0.01% | +25,839+231.1% | Added |
| Horizon Investments, LLC | 56,212 | $1.99M | 0.02% | +24,580+77.7% | Added |
| State Board of Administration of Florida Retirement System | 57,793 | $2.05M | 0.00% | +13,319+29.9% | Added |
| Oppenheimer Asset Management Inc. | 59,087 | $2.10M | 0.02% | −1,717−2.8% | Reduced |
| Jennison Associates LLC | 60,012 | $2.13M | 0.00% | −27,898−31.7% | Reduced |
| Integrated Quantitative Investments LLC | 60,799 | $2.16M | 0.39% | +43,084+243.2% | Added |
| State of New Jersey Common Pension Fund D | 62,159 | $2.20M | 0.01% | −29,622−32.3% | Reduced |
| Y-Intercept (Hong Kong) Ltd | 62,516 | $2.22M | 0.04% | −22,078−26.1% | Reduced |
| Walleye Trading LLC | 64,244 | $2.28M | 0.05% | +64,244 | New |
| Gotham Asset Management, LLC | 65,928 | $2.34M | 0.01% | +19,518+42.1% | Added |
| Bridgeway Capital Management, LLC | 68,000 | $2.41M | 0.05% | −25,600−27.4% | Reduced |
| Pathstone Holdings, LLC | 68,336 | $2.42M | 0.01% | −3,002−4.2% | Reduced |
| Thrivent Financial for Lutherans | 68,678 | $2.44M | 0.00% | −1,960−2.8% | Reduced |
| Legato Capital Management LLC | 69,328 | $2.46M | 0.22% | +967+1.4% | Added |
| Vident Advisory, LLC | 70,929 | $2.52M | 0.02% | +70,929 | New |
| Susquehanna International Group, LLP | 72,135 | $2.56M | 0.00% | +14,635+25.5% | Added |
| Glenorchy Capital Ltd | 74,265 | $2.63M | 1.42% | +1,270+1.7% | Added |
| Vanguard Asset Management, Ltd | 74,948 | $2.66M | 0.00% | +74,948 | New |
| Citadel Advisors LLC | 78,377 | $2.78M | 0.00% | +15,604+24.9% | Added |
| Great West Life Assurance Co | 81,215 | $2.89M | 0.01% | −4,230−5.0% | Reduced |
| Corigliano Investment Advisers, LLC | 82,600 | $2.93M | 1.14% | +82,600 | New |
| Royce & Associates LP | 83,017 | $2.94M | 0.03% | +30,000+56.6% | Added |
| Renaissance Technologies LLC | 85,000 | $3.01M | 0.00% | +56,900+202.5% | Added |
| Deutsche Bank AG | 88,098 | $3.12M | 0.00% | +9,121+11.5% | Added |
| New York State Common Retirement Fund | 91,568 | $3.25M | 0.00% | +18,146+24.7% | Added |
| Isthmus Partners, LLC | 96,364 | $3.42M | 0.36% | −1,265−1.3% | Reduced |
| Intech Investment Management LLC | 97,319 | $3.45M | 0.03% | −200,806−67.4% | Reduced |
| Alliancebernstein L.P. | 145,532 | $3.50M | 0.00% | +33,710+30.1% | Added |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 101,131 | $3.59M | 0.00% | +16,715+19.8% | Added |
| State of Wisconsin Investment Board | 112,318 | $3.98M | 0.01% | −149,135−57.0% | Reduced |
| Edgestream Partners, L.P. | 116,544 | $4.13M | 0.14% | +87,851+306.2% | Added |
| Concurrent Investment Advisors, LLC | 116,547 | $4.13M | 0.05% | +388+0.3% | Added |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 117,754 | $4.18M | 0.00% | −794−0.7% | Reduced |
| EFG International AG | 118,139 | $4.20M | 0.09% | −34,153−22.4% | Reduced |
| California State Teachers Retirement System | 119,621 | $4.24M | 0.00% | +26,058+27.9% | Added |
| GeoSphere Capital Management, LLC | 120,000 | $4.26M | 2.56% | +120,000 | New |
| EAM Investors, LLC | 127,269 | $4.51M | 0.52% | +127,269 | New |
| Empowered Funds, LLC | 132,627 | $4.70M | 0.03% | +132,627 | New |
| Leuthold Group, LLC | 150,172 | $5.33M | 0.57% | +2,533+1.7% | Added |
| Essex Investment Management Co LLC | 158,374 | $5.62M | 0.89% | +2,940+1.9% | Added |
| New York State Teachers Retirement System | 158,664 | $5.63M | 0.01% | −5,593−3.4% | Reduced |
| Manatuck Hill Partners, LLC | 160,600 | $5.70M | 1.87% | +150,000+1,415.1% | Added |
| Spears Abacus Advisors LLC | 164,478 | $5.83M | 0.11% | +164,478 | New |
| RMB Capital Management, LLC | 166,277 | $5.90M | 0.11% | +166,277 | New |
| Gabelli Funds LLC | 182,025 | $6.46M | 0.04% | −4,948−2.6% | Reduced |
| Wells Fargo & Company | 182,715 | $6.48M | 0.00% | −83,190−31.3% | Reduced |