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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
Leonardo P. GranatoSVP IMDS2026-02-26202$37.34
$7.54kSell
Benjamin LauraSVP Chief Operating Officer2026-02-265,106$36.88
$188.31kSell
Holly KriendlerSVP Chief H.R. Officer2026-02-265,798$37.31
$216.32kSell
Leonardo P. GranatoSVP IMDS2026-02-261,236$37.00
$45.73kSell
Karen H. BeachyDirector2026-02-259,800$37.41
$366.62kSell
Catherine E. DunnVP Chief Accounting Officer2026-02-252,866$37.97
$108.81kSell
Benjamin LauraSVP Chief Operating Officer2026-02-2533,176$37.51
$1.24MSell
Catherine E. DunnVP Chief Accounting Officer2026-02-256,204$37.52
$232.77kSell
Earl ChildressSVP Chief Commercial Ofc.2026-02-2522,518$37.41
$842.40kSell
Christopher J. DyerSVP OPGroup2026-02-256,000$38.08
$228.48kSell

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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 Inc16.10%16,003,350$547.47MInstitution
Vanguard Group Inc12.45%12,371,147$423.22MInstitution
Brown Advisory Inc7.47%7,426,981$254.08MInstitution
State Street Corp4.68%4,647,252$158.98MInstitution
Morgan Stanley Institutional Investment Advisors LLC3.97%3,947,022$135.03MInstitution
Earnest Partners LLC3.81%3,791,599$129.71MInstitution
American Century Companies Inc3.63%3,608,090$123.43MInstitution
Dimensional Fund Advisors LP3.50%3,477,068$118.95MInstitution
Neuberger Berman Group LLC3.36%3,335,121$114.09MInstitution
Greenhouse Funds LLLP2.48%2,468,260$84.44MInstitution

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OII vs Oil & Gas Equipment & Service Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
OII96.44%3.56%Net SellingNet Selling
SEI56.15%43.85%Net SellingNet Selling
WBI14.01%85.99%Net BuyingNet Buying
TDW84.41%15.59%Net BuyingNet Selling
WHD53.09%46.91%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 100.75% institutional shareholders, 3.72% Oceaneering International insiders, and 0.00% retail investors. Blackrock Inc is the largest individual Oceaneering International shareholder, owning 16.00M shares representing 16.10% of the company. Blackrock Inc's Oceaneering International shares are currently valued at $547.47M.

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