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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
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
Leonardo P. GranatoSVP IMDS2026-02-26202$37.34
$7.54kSell
Holly KriendlerSVP Chief H.R. Officer2026-02-265,798$37.31
$216.32kSell
Leonardo P. GranatoSVP IMDS2026-02-261,236$37.00
$45.73kSell
Benjamin LauraSVP Chief Operating Officer2026-02-265,106$36.88
$188.31kSell
Jennifer Fremont SimonsSVP CLO and Secretary2026-02-2510,284$38.96
$400.66kSell

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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$785.07MInstitution
Vanguard Portfolio Management LLC7.61%7,578,921$363.94MInstitution
Brown Advisory Inc5.82%5,788,601$277.97MInstitution
State Street Corp5.06%5,034,196$241.74MInstitution
Vanguard Capital Management LLC4.50%4,478,763$215.07MInstitution
American Century Companies Inc3.78%3,766,674$180.88MInstitution
Earnest Partners LLC3.70%3,684,313$176.92MInstitution
Dimensional Fund Advisors LP3.48%3,461,749$166.23MInstitution
Morgan Stanley Institutional Investment Advisors LLC3.47%3,453,005$165.81MInstitution
Neuberger Berman Group LLC3.23%3,218,259$154.54MInstitution

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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
KGS99.04%0.96%Net SellingNet Selling
VAL89.12%1.05%Net SellingNet Selling
WHD53.59%46.41%Net SellingNet Selling
WBI45.04%34.28%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, 3.65% 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 $862.07M.

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