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NYSE: OII
Oceaneering International Inc Stock Ownership - Who owns Oceaneering International?

OverviewForecastEarningsRevenueDividendOwnership

Insider buying vs selling

Have Oceaneering International Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Paul B. Murphy Jr.Director2026-08-0710,000$48.37
$483.69kSell
Christopher J. DyerSVP2026-07-301,200$47.65
$57.18kSell
Earl ChildressCCO;SVP2026-07-3012,701$46.71
$593.31kSell
M. Kevin McEvoyDirector2026-07-303,000$47.93
$143.78kSell
Deanna L. GoodwinDirector2026-06-307,000$40.69
$284.83kSell
Roderick A. LarsonPresident and CEO2026-05-185,000$38.27
$191.35kSell
Martin J. McDonaldSVP Subsea Robotics2026-05-1343,947$38.49
$1.69MSell
Martin J. McDonaldSVP Subsea Robotics2026-05-1226,053$38.33
$998.61kSell
M. Kevin McEvoyDirector2026-03-1125,678$35.27
$905.66kSell
Holly KriendlerSVP Chief H.R. Officer2026-02-265,798$37.31
$216.32kSell

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Net Insider Buy/Sell (L12M) Ownership

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OII Shareholders

What type of owners hold Oceaneering International Inc stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Blackrock Inc16.43%16,348,842$834.12MInstitution
Vanguard Portfolio Management LLC7.61%7,578,921$386.68MInstitution
Brown Advisory Inc5.82%5,788,601$295.33MInstitution
State Street Corp5.06%5,034,196$256.84MInstitution
Vanguard Capital Management LLC4.50%4,478,763$228.51MInstitution
American Century Companies Inc3.78%3,766,674$192.18MInstitution
Earnest Partners LLC3.70%3,684,313$187.97MInstitution
Dimensional Fund Advisors LP3.48%3,461,749$176.62MInstitution
Morgan Stanley Institutional Investment Advisors LLC3.47%3,453,005$176.17MInstitution
Neuberger Berman Group LLC3.23%3,218,259$164.20MInstitution

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OII vs Oil & Gas Equipment & Service Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
OII96.57%3.43%Net SellingNet Selling
SEI58.87%41.13%Net SellingNet Selling
TDW85.12%14.88%Net BuyingNet Selling
WHD47.40%52.60%Net SellingNet Selling
AROC62.61%37.39%Net SellingNet Selling
View Top Oil & Gas Equipment & Service Stocks

Oceaneering International Stock Ownership FAQ

Who owns Oceaneering International?

Oceaneering International (NYSE: OII) is owned by 102.21% institutional shareholders, 3.63% Oceaneering International insiders, and 0.00% retail investors. Blackrock Inc is the largest individual Oceaneering International shareholder, owning 16.35M shares representing 16.43% of the company. Blackrock Inc's Oceaneering International shares are currently valued at $839.51M.

If you're new to stock investing, here's how to buy Oceaneering International stock.
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