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Oceaneering International (OII) Institutional Ownership

Oceaneering International logo
$21.23 +0.51 (+2.47%)
Closing price 07/1/2025 03:59 PM Eastern
Extended Trading
$21.28 +0.05 (+0.25%)
As of 07:12 AM Eastern
Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Polygon.io. Learn more.
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Institutional Ownership Changes (13F Filings) for Oceaneering International (NYSE:OII)

Current
Institutional Ownership
Percentage
93.93%
Number of
Institutional Buyers
(last 12 months)
167
Total
Institutional Inflows
(last 12 months)
$385.56M
Number of
Institutional Sellers
(last 12 months)
119
Total
Institutional Outflows
(last 12 months)
$249.25M
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OII Institutional Buying and Selling by Quarter

Oceaneering International Major Shareholders & Ownership History

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Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
6/3/2025Inspire Investing LLC18,352$400K0.0%+7.2%0.018%
5/29/2025Rhumbline Advisers258,594$5.64M0.0%+0.8%0.257%
5/28/2025Strs Ohio7,700$168K0.0%N/A0.008%
5/20/2025Intech Investment Management LLC93,627$2.04M0.0%+51.7%0.093%
5/19/2025UBS AM A Distinct Business Unit of UBS Asset Management Americas LLC157,436$3.43M0.0%-2.0%0.157%
5/16/2025Empowered Funds LLC120,776$2.63M0.0%+1.9%0.120%
5/16/2025Great Lakes Advisors LLC24,488$534K0.0%-47.5%0.024%
5/16/2025Aristeia Capital L.L.C.15,842$346K0.0%+12.5%0.016%
5/16/2025Goldman Sachs Group Inc.766,592$16.72M0.0%-18.2%0.762%
5/16/2025Dynamic Technology Lab Private Ltd13,680$298K0.0%+28.2%0.014%
5/16/2025Teza Capital Management LLC19,535$426K0.2%-3.4%0.019%
5/16/2025MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.60,154$1.31M0.0%+4.6%0.060%
5/16/2025Jacobs Levy Equity Management Inc.91,217$1.99M0.0%N/A0.091%
5/16/2025Greenhouse Funds LLLP2,268,079$49.47M2.3%-15.7%2.255%
5/16/2025EFG Asset Management North America Corp.153,471$3.35M0.6%-0.6%0.153%
5/15/2025EP Wealth Advisors LLC25,721$561K0.0%+12.4%0.026%
5/15/2025Cubist Systematic Strategies LLC408,844$8.92M0.1%+25.6%0.406%
5/15/2025Royal Bank of Canada1,239,342$27.03M0.0%-6.2%1.232%
5/15/2025Graham Capital Management L.P.79,770$1.74M0.0%+161.7%0.079%
5/15/2025Nomura Holdings Inc.19,456$424K0.0%N/A0.019%
5/15/2025Panagora Asset Management Inc.160,513$3.50M0.0%+705.7%0.160%
5/15/2025Trexquant Investment LP99,137$2.16M0.0%+35.2%0.099%
5/15/2025Earnest Partners LLC4,217,394$91.98M0.4%-22.4%4.192%
5/14/2025Ieq Capital LLC17,842$389K0.0%N/A0.018%
5/14/2025Gamco Investors INC. ET AL370,190$8.07M0.1%-0.2%0.368%
5/14/2025Gabelli Funds LLC173,973$3.79M0.0%-5.4%0.173%
5/14/2025Keeley Teton Advisors LLC30,547$666K0.1%+36.4%0.030%
5/14/2025Corebridge Financial Inc.52,782$1.15M0.0%-1.9%0.052%
5/14/2025Old West Investment Management LLC263,200$5.74M2.1%+338.7%0.262%
5/14/2025Comerica Bank54,153$1.18M0.0%-3.5%0.054%
5/14/2025MetLife Investment Management LLC59,651$1.30M0.0%-3.3%0.059%
5/14/2025Walleye Capital LLC18,077$394K0.0%N/A0.018%
5/14/2025Smartleaf Asset Management LLC2,248$49K0.0%-44.5%0.002%
5/14/2025AlphaQuest LLC65,466$1.43M0.2%+443.7%0.065%
5/14/2025Kestra Advisory Services LLC61,765$1.35M0.0%+8.7%0.061%
5/14/2025CW Advisors LLC210,298$4.59M0.1%+2.7%0.209%
5/14/2025Hsbc Holdings PLC49,377$1.07M0.0%+17.5%0.049%
5/13/2025Northern Trust Corp1,203,892$26.26M0.0%-2.2%1.197%
5/13/2025Versor Investments LP21,293$464K0.1%+115.1%0.021%
5/13/2025Algert Global LLC305,899$6.67M0.2%+10.3%0.304%
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5/13/2025American Century Companies Inc.3,113,578$67.91M0.0%+9.6%3.095%
5/13/2025Fox Run Management L.L.C.91,609$2.00M0.3%N/A0.091%
5/13/2025Russell Investments Group Ltd.153,353$3.35M0.0%+57.1%0.152%
5/13/2025HighTower Advisors LLC11,224$245K0.0%-6.6%0.011%
5/12/2025Public Sector Pension Investment Board320,489$6.99M0.0%+26.1%0.319%
5/12/2025Nuveen LLC549,898$11.99M0.0%N/A0.547%
5/12/2025Aigen Investment Management LP11,599$253K0.0%N/A0.012%
5/12/2025Invesco Ltd.601,806$13.13M0.0%+0.1%0.598%
5/12/2025Townsquare Capital LLC107,263$2.34M0.0%+10.1%0.107%
5/12/2025Swiss National Bank195,748$4.27M0.0%-2.0%0.195%
5/12/2025Mitsubishi UFJ Asset Management Co. Ltd.66,189$1.44M0.0%+4.2%0.066%
5/12/2025Maryland State Retirement & Pension System29,511$644K0.0%-13.2%0.029%
5/9/2025Mutual of America Capital Management LLC14,717$321K0.0%-3.9%0.015%
5/9/2025Deutsche Bank AG147,642$3.22M0.0%+64.2%0.147%
5/9/2025Charles Schwab Investment Management Inc.1,331,297$29.04M0.0%+2.5%1.323%
5/9/2025Vanguard Group Inc.12,361,546$269.61M0.0%-1.0%12.288%
5/9/2025New Age Alpha Advisors LLC5,175$113K0.0%-13.2%0.005%
5/9/2025PNC Financial Services Group Inc.11,102$242K0.0%+12.8%0.011%
5/8/2025Natixis Advisors LLC33,542$732K0.0%-11.6%0.033%
5/8/2025Vestcor Inc7,138$156K0.0%N/A0.007%
5/8/2025XTX Topco Ltd17,523$382K0.0%N/A0.017%
5/8/2025GSA Capital Partners LLP30,356$662K0.1%N/A0.030%
5/8/2025Federated Hermes Inc.144,127$3.14M0.0%+14.5%0.143%
5/7/2025Mackenzie Financial Corp16,905$369K0.0%-6.5%0.017%
5/7/2025Oldfield Partners LLP28,729$627K0.2%-26.2%0.029%
5/7/2025Nikko Asset Management Americas Inc.27,675$604K0.0%+62.3%0.028%
5/6/2025Royce & Associates LP43,017$938K0.0%-21.8%0.043%
5/5/2025Foundry Partners LLC13,918$304K0.0%+8.5%0.014%
5/5/2025Jennison Associates LLC57,463$1.25M0.0%+27.2%0.057%
5/2/2025Victory Capital Management Inc.198,042$4.32M0.0%-58.9%0.197%
5/2/2025Edgestream Partners L.P.231,018$5.04M0.2%N/A0.230%
5/1/2025Bleakley Financial Group LLC10,333$225K0.0%-13.7%0.010%
5/1/2025CWM LLC3,634$79K0.0%-48.6%0.004%
5/1/2025Louisiana State Employees Retirement System47,600$1.04M0.0%-2.7%0.047%
5/1/2025New York State Common Retirement Fund31,248$682K0.0%-97.3%0.031%
5/1/2025Mutual of America Capital Management LLC14,717$321K0.0%-3.9%0.015%
4/30/2025Nisa Investment Advisors LLC14,201$310K0.0%-16.6%0.014%
4/30/2025Brown Advisory Inc.6,545,919$142.77M0.2%+27.6%6.477%
4/29/2025Envestnet Asset Management Inc.326,978$7.13M0.0%+1.5%0.324%
4/29/2025Bank of New York Mellon Corp652,692$14.24M0.0%-68.2%0.646%
4/29/2025Goehring & Rozencwajg Associates LLC470,545$10.23M1.9%+2.3%0.466%
4/28/2025Principal Financial Group Inc.539,234$11.76M0.0%+2.3%0.534%
4/28/2025Oregon Public Employees Retirement Fund23,110$504K0.0%-2.9%0.023%
4/28/2025Teacher Retirement System of Texas30,508$665K0.0%+49.8%0.030%
4/25/2025New York State Teachers Retirement System172,052$3.75M0.0%-4.8%0.170%
4/25/2025Amalgamated Bank28,796$628K0.0%-2.7%0.028%
4/25/2025Sumitomo Mitsui Trust Group Inc.27,675$604K0.0%+62.3%0.027%
4/24/2025Illinois Municipal Retirement Fund57,987$1.27M0.0%-3.0%0.057%
4/24/2025Diversified Trust Co13,726$299K0.0%N/A0.014%
4/23/2025Oppenheimer Asset Management Inc.70,139$1.53M0.0%-1.3%0.069%
A new rule goes live in July — and the banks are quietly cashing in (Ad)

A little-known regulation quietly goes into effect this July. And it's already being exploited by Wall Street and the Big Banks… It gives them the green light to treat a certain tangible asset as equivalent to cold, hard cash. Not stocks. Not real estate. And definitely not the U.S. dollar. We're talking about something they don't want you to notice — because the fewer people who act on this, the better it is for them.

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4/22/2025Cambridge Investment Research Advisors Inc.12,605$275K0.0%-42.7%0.012%
4/21/2025State of Alaska Department of Revenue55,997$1.22M0.0%-2.5%0.055%
4/16/2025Wealth Enhancement Advisory Services LLC10,037$219K0.0%-44.8%0.010%
4/16/2025Fort Washington Investment Advisors Inc. OH984,542$21.47M0.1%+15.2%0.974%
4/15/2025GAMMA Investing LLC3,104$68K0.0%+29.7%0.003%
4/14/2025Yousif Capital Management LLC37,279$813K0.0%-3.0%0.037%
4/14/2025Harbor Capital Advisors Inc.25,044$546K0.0%N/A0.025%
4/14/2025Wedge Capital Management L L P NC69,897$1.52M0.0%+21.1%0.069%
4/11/2025Congress Asset Management Co.1,790,545$39.05M0.3%+3.1%1.772%
4/10/2025Portside Wealth Group LLC9,609$210K0.0%N/A0.010%
(Data available from 1/1/2016 forward)

OII Institutional Ownership - Frequently Asked Questions

Who are the largest shareholders of OII shares?

During the previous two years, 281 institutional investors and hedge funds held shares of Oceaneering International. The most heavily invested institutionals were Vanguard Group Inc. ($269.61M), Brown Advisory Inc. ($142.77M), State Street Corp ($129.85M), Earnest Partners LLC ($91.98M), FMR LLC ($72.02M), Dimensional Fund Advisors LP ($69.50M), and American Century Companies Inc. ($67.91M).Learn more on Oceaneering International's institutional investors.

What percentage of Oceaneering International's stock is owned by institutional investors?

93.93% of Oceaneering International's stock is owned by institutional investors. Learn more on OII's institutional investor holdings.

Which institutional investors have been buying Oceaneering International's stock?

Of the 236 institutional investors that purchased Oceaneering International's stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: Brown Advisory Inc. ($2.36M), Hennessy Advisors Inc. ($1.84M), Congress Asset Management Co. ($1.79M), Loomis Sayles & Co. L P ($1.67M), Earnest Partners LLC ($1.55M), American Century Companies Inc. ($962.09K), and Norges Bank ($950.86K).

How much institutional buying is happening at Oceaneering International?

Institutional investors have bought a total of 15,808,857 shares in the last 24 months. This purchase volume represents approximately $385.31M in transactions.

Which of Oceaneering International's major shareholders have been selling company stock?

Of the 119 institutional investors that sold Oceaneering International's stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: New York State Common Retirement Fund ($1.91M), Bank of New York Mellon Corp ($1.89M), Earnest Partners LLC ($1.72M), Van ECK Associates Corp ($636.21K), Janus Henderson Group PLC ($569.39K), Greenhouse Funds LLLP ($421.72K), and Victory Capital Management Inc. ($362.14K).

How much institutional selling is happening at Oceaneering International?

Institutional investors have sold a total of 10,593,459 shares in the last 24 months. This volume of shares sold represents approximately $249.25M in transactions.


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This page (NYSE:OII) was last updated on 7/2/2025 by MarketBeat.com Staff
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