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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
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
Benjamin LauraSVP Chief Operating Officer2026-02-265,106$36.88
$188.31kSell
Leonardo P. GranatoSVP IMDS2026-02-261,236$37.00
$45.73kSell
Leonardo P. GranatoSVP IMDS2026-02-26202$37.34
$7.54kSell
Holly KriendlerSVP Chief H.R. Officer2026-02-265,798$37.31
$216.32kSell
Karen H. BeachyDirector2026-02-259,800$37.41
$366.62kSell
Earl ChildressSVP Chief Commercial Ofc.2026-02-2522,518$37.41
$842.40kSell

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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 Inc16.39%16,348,842$607.36MInstitution
Vanguard Portfolio Management LLC7.60%7,578,921$281.56MInstitution
Brown Advisory Inc5.80%5,788,601$215.05MInstitution
State Street Corp5.05%5,034,196$187.02MInstitution
Vanguard Capital Management LLC4.49%4,478,763$166.39MInstitution
American Century Companies Inc3.78%3,766,674$139.93MInstitution
Earnest Partners LLC3.69%3,684,313$136.87MInstitution
Dimensional Fund Advisors LP3.47%3,461,749$128.60MInstitution
Morgan Stanley Institutional Investment Advisors LLC3.46%3,453,005$128.28MInstitution
Neuberger Berman Group LLC3.23%3,218,259$119.56MInstitution

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OII vs Oil & Gas Equipment & Service Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
OII96.55%3.45%Net SellingNet Selling
WBI21.33%78.67%Net Buying
TDW85.11%14.89%Net BuyingNet Buying
USAC26.05%73.95%Net Selling
EFXT67.81%0.00%
View Top Oil & Gas Equipment & Service Stocks

Oceaneering International Stock Ownership FAQ

Who owns Oceaneering International?

Oceaneering International (NYSE: OII) is owned by 101.99% institutional shareholders, 3.65% Oceaneering International insiders, and 0.00% retail investors. Blackrock Inc is the largest individual Oceaneering International shareholder, owning 16.35M shares representing 16.39% of the company. Blackrock Inc's Oceaneering International shares are currently valued at $607.36M.

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