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 |
|---|---|---|---|---|---|
| IFP Advisors, Inc | 3,048 | $108.1K | 0.00% | 00.0% | Unchanged |
| New Age Alpha Advisors, LLC | 3,139 | $111.3K | 0.01% | −82−2.5% | Reduced |
| KBC Group NV | 3,726 | $132.0K | 0.00% | 00.0% | Unchanged |
| GAMMA Investing LLC | 4,032 | $143.0K | 0.01% | +203+5.3% | Added |
| Simplex Trading, LLC | 4,394 | $155.9K | 0.00% | +1,157+35.7% | Added |
| Group One Trading, L.P. | 4,694 | $166.5K | 0.01% | +4,433+1,698.5% | Added |
| CIBC World Markets Inc. | 5,665 | $200.9K | 0.00% | +5,665 | New |
| CIBC Asset Management Inc | 5,747 | $203.8K | 0.00% | +5,747 | New |
| Quadrature Capital Ltd | 5,797 | $205.6K | 0.00% | +5,797 | New |
| Atria Investments LLC | 5,807 | $206.0K | 0.00% | +5,807 | New |
| Fieldview Capital Management, LLC | 5,841 | $207.2K | 0.06% | +5,841 | New |
| Rockefeller Capital Management L.P. | 5,903 | $209.4K | 0.00% | +2,834+92.3% | Added |
| M&T Bank Corp | 6,082 | $215.7K | 0.00% | +6,082 | New |
| DnB Asset Management AS | 6,098 | $216.3K | 0.00% | +6,098 | New |
| Mackenzie Financial Corp | 6,262 | $222.1K | 0.00% | −8,984−58.9% | Reduced |
| Cetera Investment Advisers | 6,378 | $226.2K | 0.00% | +6,378 | New |
| Dynamic Technology Lab Private Ltd | 6,449 | $228.7K | 0.04% | +6,449 | New |
| Crossmark Global Holdings, Inc. | 6,521 | $231.3K | 0.00% | +6,521 | New |
| Abel Hall, LLC | 6,581 | $233.4K | 0.05% | +6,581 | New |
| Twinbeech Capital LP | 6,600 | $234.1K | 0.02% | +6,600 | New |
| NorthCrest Asset Manangement, LLC | 6,686 | $237.8K | 0.01% | +6,686 | New |
| Merit Financial Group, LLC | 6,741 | $239.1K | 0.00% | +6,741 | New |
| Quadrant Capital Group LLC | 6,771 | $240.2K | 0.01% | +127+1.9% | Added |
| Globeflex Capital L P | 7,283 | $258.3K | 0.04% | 00.0% | Unchanged |
| Evergreen Capital Management LLC | 7,303 | $259.0K | 0.01% | +7,303 | New |
| Brinker Capital Investments, LLC | 7,510 | $266.4K | 0.00% | +7,510 | New |
| Meridian Management Co | 8,000 | $283.8K | 0.07% | +8,000 | New |
| Steadtrust LLC | 8,000 | $283.8K | 0.16% | +8,000 | New |
| AE Wealth Management LLC | 8,008 | $284.0K | 0.00% | +8,008 | New |
| Inspire Advisors, LLC | 8,008 | $284.1K | 0.02% | +8,008 | New |
| Abacus Wealth Partners, LLC | 8,091 | $287.0K | 0.03% | +8,091 | New |
| Ameritas Investment Partners, Inc. | 8,092 | $287.0K | 0.01% | +237+3.0% | Added |
| Mozayyx Management LLC | 8,180 | $290.1K | 0.30% | +8,180 | New |
| Wiley Bros.-Aintree Capital, LLC | 8,564 | $303.8K | 0.00% | +8,564 | New |
| HSBC Holdings PLC | 8,669 | $310.9K | 0.00% | −29,244−77.1% | Reduced |
| SG Americas Securities, LLC | 8,763 | $311.0K | 0.00% | −144,660−94.3% | Reduced |
| Mercer Global Advisors Inc | 9,177 | $325.5K | 0.00% | +9,177 | New |
| Xponance, Inc. | 9,294 | $329.7K | 0.00% | +9,294 | New |
| Commerce Bank | 9,310 | $330.2K | 0.00% | +592+6.8% | Added |
| The PNC Financial Services Group, Inc. | 9,721 | $344.8K | 0.00% | −1,000−9.3% | Reduced |
| Cerity Partners LLC | 9,726 | $345.0K | 0.00% | +192+2.0% | Added |
| Blair William & Co | 9,910 | $351.5K | 0.00% | −20−0.2% | Reduced |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 10,000 | $354.7K | 0.00% | +10,000 | New |
| Rathbone Brothers plc | 10,000 | $354.7K | 0.00% | 00.0% | Unchanged |
| Gallacher Capital Management LLC | 10,231 | $362.9K | 0.14% | −2,579−20.1% | Reduced |
| Amundi | 10,526 | $373.4K | 0.00% | +10,526 | New |
| Tannin Capital LLC | 10,546 | $374.1K | 0.27% | +582+5.8% | Added |
| MML Investors Services, LLC | 10,652 | $377.8K | 0.00% | +10,652 | New |
| CI Private Wealth, LLC | 10,816 | $383.6K | 0.00% | −1,784−14.2% | Reduced |
| Great Lakes Advisors, LLC | 10,987 | $389.7K | 0.00% | 00.0% | Unchanged |
| Callan Family Office, LLC | 11,096 | $393.6K | 0.01% | +46+0.4% | Added |
| Mutual of America Capital Management LLC | 11,418 | $405.0K | 0.00% | +14+0.1% | Added |
| RSM US Wealth Management LLC | 11,532 | $409.0K | 0.01% | +793+7.4% | Added |
| K.J. Harrison & Partners Inc | 11,600 | $411.5K | 0.07% | +11,600 | New |
| Integrated Investment Consultants, LLC | 11,890 | $421.7K | 0.09% | −198−1.6% | Reduced |
| Elo Mutual Pension Insurance Co | 11,964 | $424.4K | 0.01% | +11,964 | New |
| PDT Partners, LLC | 12,188 | $432.3K | 0.03% | +12,188 | New |
| Teacher Retirement System of Texas | 12,303 | $436.4K | 0.00% | −28,365−69.7% | Reduced |
| LPL Financial LLC | 12,354 | $438.2K | 0.00% | −28,171−69.5% | Reduced |
| Cambridge Investment Research Advisors, Inc. | 12,400 | $440.0K | 0.00% | +12+0.1% | Added |
| Tower Research Capital LLC (TRC) | 13,131 | $465.8K | 0.01% | +11,391+654.7% | Added |
| Canada Pension Plan Investment Board | 13,400 | $475.3K | 0.00% | −12,500−48.3% | Reduced |
| Lido Advisors, LLC | 13,738 | $487.3K | 0.00% | +1,596+13.1% | Added |
| Campbell & CO Investment Adviser LLC | 13,862 | $491.7K | 0.03% | +13,862 | New |
| Public Employees Retirement Association of Colorado | 14,131 | $501.0K | 0.00% | 00.0% | Unchanged |
| Janney Montgomery Scott LLC | 14,215 | $504.0K | 0.00% | +14,215 | New |
| Ieq Capital, LLC | 14,394 | $510.6K | 0.00% | −28,999−66.8% | Reduced |
| Bank of Montreal | 14,433 | $511.9K | 0.00% | −700−4.6% | Reduced |
| Nisa Investment Advisors, LLC | 14,543 | $515.8K | 0.00% | +30+0.2% | Added |
| Maryland State Retirement & Pension System | 14,545 | $515.9K | 0.01% | 00.0% | Unchanged |
| CSM Advisors, LLC | 14,613 | $518.0K | 0.01% | +215+1.5% | Added |
| Legacy Capital Group California, Inc. | 14,627 | $518.8K | 0.20% | −5,571−27.6% | Reduced |
| Balyasny Asset Management LLC | 14,762 | $523.6K | 0.00% | +4,640+45.8% | Added |
| Andina Capital Management, LLC | 14,766 | $523.8K | 0.46% | +14,766 | New |
| Captrust Financial Advisors | 14,864 | $527.2K | 0.00% | +428+3.0% | Added |
| Alps Advisors Inc | 14,879 | $527.8K | 0.00% | −4,081−21.5% | Reduced |
| Central Pacific Bank - Trust Division | 14,960 | $530.6K | 0.07% | +8,986+150.4% | Added |
| State of Wyoming | 15,099 | $535.6K | 0.06% | +3,800+33.6% | Added |
| ProShare Advisors LLC | 15,393 | $546.0K | 0.00% | −3,829−19.9% | Reduced |
| Chelsea Counsel Co | 16,000 | $567.5K | 0.25% | +16,000 | New |
| Pictet Asset Management Holding SA | 16,345 | $579.8K | 0.00% | +4,016+32.6% | Added |
| Aristeia Capital LLC | 16,421 | $582.5K | 0.01% | +16,421 | New |
| Truist Financial Corp | 16,607 | $589.1K | 0.00% | +16,607 | New |
| Connable Office Inc | 16,754 | $594.3K | 0.06% | −3,026−15.3% | Reduced |
| Wealth Enhancement Advisory Services, LLC | 23,754 | $607.0K | 0.00% | +429+1.8% | Added |
| Round Rock Advisors, LLC | 17,312 | $614.1K | 0.09% | +5,938+52.2% | Added |
| Los Angeles Capital Management LLC | 17,446 | $618.8K | 0.00% | −1,302−6.9% | Reduced |
| XTX Topco Ltd | 18,018 | $639.1K | 0.01% | −15,611−46.4% | Reduced |
| Advisor Group Holdings, Inc. | 18,286 | $648.6K | 0.00% | −9,118−33.3% | Reduced |
| Quantinno Capital Management LP | 18,588 | $659.3K | 0.00% | +2,150+13.1% | Added |
| CWM Advisors, LLC | 18,806 | $667.0K | 0.04% | −4,816−20.4% | Reduced |
| South Dakota Investment Council | 19,100 | $677.0K | 0.01% | −16,800−46.8% | Reduced |
| Oldfield Partners LLP | 28,729 | $690.4K | 0.18% | 00.0% | Unchanged |
| Bleakley Financial Group, LLC | 19,614 | $695.7K | 0.01% | +1,639+9.1% | Added |
| Citigroup Inc | 19,811 | $702.7K | 0.00% | −8,271−29.5% | Reduced |
| Diversified Trust Co | 20,781 | $737.1K | 0.01% | +3,707+21.7% | Added |
| CWM, LLC | 20,810 | $738.1K | 0.00% | +837+4.2% | Added |
| Towarzystwo Funduszy Inwestycyjnych Pzu SA | 21,000 | $744.9K | 0.25% | +21,000 | New |
| QRG Capital Management, Inc. | 21,263 | $754.2K | 0.01% | +21,263 | New |
| EP Wealth Advisors, LLC | 21,267 | $754.3K | 0.00% | −4,958−18.9% | Reduced |