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 |
|---|---|---|---|---|---|
| Ieq Capital, LLC | 14,394 | $510.6K | 0.00% | −28,999−66.8% | Reduced |
| Janney Montgomery Scott LLC | 14,215 | $504.0K | 0.00% | +14,215 | New |
| Public Employees Retirement Association of Colorado | 14,131 | $501.0K | 0.00% | 00.0% | Unchanged |
| Campbell & CO Investment Adviser LLC | 13,862 | $491.7K | 0.03% | +13,862 | New |
| Lido Advisors, LLC | 13,738 | $487.3K | 0.00% | +1,596+13.1% | Added |
| Canada Pension Plan Investment Board | 13,400 | $475.3K | 0.00% | −12,500−48.3% | Reduced |
| Tower Research Capital LLC (TRC) | 13,131 | $465.8K | 0.01% | +11,391+654.7% | Added |
| Cambridge Investment Research Advisors, Inc. | 12,400 | $440.0K | 0.00% | +12+0.1% | Added |
| LPL Financial LLC | 12,354 | $438.2K | 0.00% | −28,171−69.5% | Reduced |
| Teacher Retirement System of Texas | 12,303 | $436.4K | 0.00% | −28,365−69.7% | Reduced |
| PDT Partners, LLC | 12,188 | $432.3K | 0.03% | +12,188 | New |
| Elo Mutual Pension Insurance Co | 11,964 | $424.4K | 0.01% | +11,964 | New |
| Integrated Investment Consultants, LLC | 11,890 | $421.7K | 0.09% | −198−1.6% | Reduced |
| K.J. Harrison & Partners Inc | 11,600 | $411.5K | 0.07% | +11,600 | New |
| RSM US Wealth Management LLC | 11,532 | $409.0K | 0.01% | +793+7.4% | Added |
| Mutual of America Capital Management LLC | 11,418 | $405.0K | 0.00% | +14+0.1% | Added |
| Callan Family Office, LLC | 11,096 | $393.6K | 0.01% | +46+0.4% | Added |
| Great Lakes Advisors, LLC | 10,987 | $389.7K | 0.00% | 00.0% | Unchanged |
| CI Private Wealth, LLC | 10,816 | $383.6K | 0.00% | −1,784−14.2% | Reduced |
| MML Investors Services, LLC | 10,652 | $377.8K | 0.00% | +10,652 | New |
| Tannin Capital LLC | 10,546 | $374.1K | 0.27% | +582+5.8% | Added |
| Amundi | 10,526 | $373.4K | 0.00% | +10,526 | New |
| Gallacher Capital Management LLC | 10,231 | $362.9K | 0.14% | −2,579−20.1% | Reduced |
| Rathbone Brothers plc | 10,000 | $354.7K | 0.00% | 00.0% | Unchanged |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 10,000 | $354.7K | 0.00% | +10,000 | New |
| Blair William & Co | 9,910 | $351.5K | 0.00% | −20−0.2% | Reduced |
| Cerity Partners LLC | 9,726 | $345.0K | 0.00% | +192+2.0% | Added |
| The PNC Financial Services Group, Inc. | 9,721 | $344.8K | 0.00% | −1,000−9.3% | Reduced |
| Commerce Bank | 9,310 | $330.2K | 0.00% | +592+6.8% | Added |
| Xponance, Inc. | 9,294 | $329.7K | 0.00% | +9,294 | New |
| Mercer Global Advisors Inc | 9,177 | $325.5K | 0.00% | +9,177 | New |
| SG Americas Securities, LLC | 8,763 | $311.0K | 0.00% | −144,660−94.3% | Reduced |
| HSBC Holdings PLC | 8,669 | $310.9K | 0.00% | −29,244−77.1% | Reduced |
| Wiley Bros.-Aintree Capital, LLC | 8,564 | $303.8K | 0.00% | +8,564 | New |
| Mozayyx Management LLC | 8,180 | $290.1K | 0.30% | +8,180 | New |
| Ameritas Investment Partners, Inc. | 8,092 | $287.0K | 0.01% | +237+3.0% | Added |
| Abacus Wealth Partners, LLC | 8,091 | $287.0K | 0.03% | +8,091 | New |
| Inspire Advisors, LLC | 8,008 | $284.1K | 0.02% | +8,008 | New |
| AE Wealth Management LLC | 8,008 | $284.0K | 0.00% | +8,008 | New |
| Meridian Management Co | 8,000 | $283.8K | 0.07% | +8,000 | New |
| Steadtrust LLC | 8,000 | $283.8K | 0.16% | +8,000 | New |
| Brinker Capital Investments, LLC | 7,510 | $266.4K | 0.00% | +7,510 | New |
| Evergreen Capital Management LLC | 7,303 | $259.0K | 0.01% | +7,303 | New |
| Globeflex Capital L P | 7,283 | $258.3K | 0.04% | 00.0% | Unchanged |
| Quadrant Capital Group LLC | 6,771 | $240.2K | 0.01% | +127+1.9% | Added |
| Merit Financial Group, LLC | 6,741 | $239.1K | 0.00% | +6,741 | New |
| NorthCrest Asset Manangement, LLC | 6,686 | $237.8K | 0.01% | +6,686 | New |
| Twinbeech Capital LP | 6,600 | $234.1K | 0.02% | +6,600 | New |
| Abel Hall, LLC | 6,581 | $233.4K | 0.05% | +6,581 | New |
| Crossmark Global Holdings, Inc. | 6,521 | $231.3K | 0.00% | +6,521 | New |
| Dynamic Technology Lab Private Ltd | 6,449 | $228.7K | 0.04% | +6,449 | New |
| Cetera Investment Advisers | 6,378 | $226.2K | 0.00% | +6,378 | New |
| Mackenzie Financial Corp | 6,262 | $222.1K | 0.00% | −8,984−58.9% | Reduced |
| DnB Asset Management AS | 6,098 | $216.3K | 0.00% | +6,098 | New |
| M&T Bank Corp | 6,082 | $215.7K | 0.00% | +6,082 | New |
| Rockefeller Capital Management L.P. | 5,903 | $209.4K | 0.00% | +2,834+92.3% | Added |
| Fieldview Capital Management, LLC | 5,841 | $207.2K | 0.06% | +5,841 | New |
| Atria Investments LLC | 5,807 | $206.0K | 0.00% | +5,807 | New |
| Quadrature Capital Ltd | 5,797 | $205.6K | 0.00% | +5,797 | New |
| CIBC Asset Management Inc | 5,747 | $203.8K | 0.00% | +5,747 | New |
| CIBC World Markets Inc. | 5,665 | $200.9K | 0.00% | +5,665 | New |
| Group One Trading, L.P. | 4,694 | $166.5K | 0.01% | +4,433+1,698.5% | Added |
| Simplex Trading, LLC | 4,394 | $155.9K | 0.00% | +1,157+35.7% | Added |
| GAMMA Investing LLC | 4,032 | $143.0K | 0.01% | +203+5.3% | Added |
| KBC Group NV | 3,726 | $132.0K | 0.00% | 00.0% | Unchanged |
| New Age Alpha Advisors, LLC | 3,139 | $111.3K | 0.01% | −82−2.5% | Reduced |
| IFP Advisors, Inc | 3,048 | $108.1K | 0.00% | 00.0% | Unchanged |
| Covestor Ltd | 3,039 | $108.0K | 0.07% | +2,992+6,366.0% | Added |
| Harbour Investments, Inc. | 2,700 | $95.8K | 0.00% | +2,700 | New |
| Smartleaf Asset Management LLC | 2,747 | $94.7K | 0.00% | −2,331−45.9% | Reduced |
| Nkcfo LLC | 2,500 | $89.0K | 0.03% | +2,500 | New |
| Hantz Financial Services, Inc. | 2,269 | $80.0K | 0.00% | −12−0.5% | Reduced |
| Parkside Financial Bank & Trust | 2,058 | $73.0K | 0.01% | +1,943+1,689.6% | Added |
| Chilton Capital Management LLC | 2,000 | $70.9K | 0.00% | 00.0% | Unchanged |
| Pinnacle Wealth Planning Services, Inc. | 1,995 | $70.8K | 0.01% | +73+3.8% | Added |
| Bessemer Group Inc | 1,885 | $67.0K | 0.00% | −142−7.0% | Reduced |
| Signaturefd, LLC | 1,785 | $63.3K | 0.00% | 00.0% | Unchanged |
| Exchange Traded Concepts, LLC | 1,767 | $62.7K | 0.00% | +1,767 | New |
| US Bancorp | 1,711 | $60.7K | 0.00% | +63+3.8% | Added |
| Caitong International Asset Management Co., Ltd | 1,575 | $55.9K | 0.01% | +1,575 | New |
| SBI Securities Co., Ltd. | 1,573 | $55.8K | 0.00% | +178+12.8% | Added |
| Whittier Trust Co of Nevada Inc | 1,450 | $53.1K | 0.00% | +1,450 | New |
| Public Employees Retirement System of Ohio | 1,430 | $50.7K | 0.00% | −57−3.8% | Reduced |
| EverSource Wealth Advisors, LLC | 1,403 | $49.8K | 0.00% | +191+15.8% | Added |
| Freestone Grove Partners LP | 1,208 | $42.8K | 0.00% | +1,208 | New |
| Versant Capital Management, Inc | 1,192 | $42.3K | 0.00% | 00.0% | Unchanged |
| Salomon & Ludwin, LLC | 1,164 | $41.4K | 0.00% | +321+38.1% | Added |
| Farther Finance Advisors, LLC | 1,033 | $35.5K | 0.00% | +469+83.2% | Added |
| South State Corp. | 1,000 | $35.5K | 0.00% | 00.0% | Unchanged |
| Lloyd Advisory Services, LLC. | 1,000 | $35.5K | 0.01% | +1,000 | New |
| Kingdom Financial Group LLC. | 1,000 | $35.5K | 0.01% | +1,000 | New |
| Sterling Capital Management LLC | 947 | $33.6K | 0.00% | −275−22.5% | Reduced |
| Essential Partners LLC | 926 | $32.8K | 0.01% | 00.0% | Unchanged |
| Nomura Asset Management Co Ltd | 900 | $31.9K | 0.00% | 00.0% | Unchanged |
| CX Institutional | 870 | $31.0K | 0.00% | 00.0% | Unchanged |
| AdvisorNet Financial, Inc | 750 | $26.6K | 0.00% | −77−9.3% | Reduced |
| Umb Bank N A | 732 | $26.0K | 0.00% | +6+0.8% | Added |
| Massmutual Trust Co FSB | 693 | $24.6K | 0.00% | +259+59.7% | Added |
| Medallion Wealth Advisors, LLC | 660 | $23.4K | 0.01% | 00.0% | Unchanged |
| Allworth Financial LP | 641 | $22.7K | 0.00% | +254+65.6% | Added |