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

Insider buying vs selling

Have Oceaneering International Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Jennifer Fremont SimonsSVP CLO and Secretary2026-01-05843$26.85
$22.63kSell
Jennifer Fremont SimonsSVP CLO and Secretary2026-01-0528,312$26.33
$745.45kSell
Jennifer Fremont SimonsSVP CLO and Secretary2026-01-0219,578$24.03
$470.46kSell
Paul B. Murphy Jr.Director2025-09-0210,000$24.25
$242.50kSell
Alan R. CurtisSVP and CFO2025-08-2714,840$24.36
$361.47kSell
Karen H. BeachyDirector2025-05-225,300$18.94
$100.38kSell
Christopher J. DyerSVP OPGroup2025-02-251,160$22.09
$25.62kSell
Leonardo P. GranatoSVP IMDS2025-02-25522$22.09
$11.53kSell
Holly KriendlerSVP Chief H.R. Officer2025-02-254,202$22.09
$92.82kSell
Roderick A. LarsonPresident and CEO2025-02-2541,046$22.09
$906.71kSell

1 of 2

OII insiders have sold more... subscribe to Premium to read more.
Net Insider Buy/Sell (L12M) Ownership

Be the first to know when OII insiders and whales buy or sell their stock.

OII Shareholders

What type of owners hold Oceaneering International Inc stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Blackrock Inc15.70%15,668,933$416.32MInstitution
Vanguard Group Inc12.21%12,183,440$323.71MInstitution
Brown Advisory Inc7.72%7,702,263$204.65MInstitution
State Street Corp4.44%4,431,886$117.76MInstitution
Earnest Partners LLC4.03%4,016,698$106.72MInstitution
American Century Companies Inc3.65%3,642,873$96.79MInstitution
Neuberger Berman Group LLC3.55%3,539,558$94.05MInstitution
Dimensional Fund Advisors LP3.29%3,285,951$87.31MInstitution
Greenhouse Funds LLLP2.50%2,491,803$66.21MInstitution
Geode Capital Management LLC2.26%2,252,867$59.86MInstitution

1 of 3

OII vs Oil & Gas Equipment & Service Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
OII95.79%3.88%Net SellingNet Selling
TDW84.70%15.30%Net BuyingNet Selling
WBI14.07%85.93%Net BuyingNet Buying
USAC29.80%70.20%Net SellingNet Selling
LBRT64.81%35.19%Net Selling

Oceaneering International Stock Ownership FAQ

Who owns Oceaneering International?

Oceaneering International (NYSE: OII) is owned by 95.79% institutional shareholders, 3.88% Oceaneering International insiders, and 0.33% retail investors. Roderick A. Larson is the largest individual Oceaneering International shareholder, owning 691,937.00 shares representing 0.69% of the company. Roderick A. Larson's Oceaneering International shares are currently valued at $17.77M.

If you're new to stock investing, here's how to buy Oceaneering International stock.
WallStreetZen does not provide financial advice and does not issue recommendations or offers to buy stock or sell any security.

Information is provided 'as-is' and solely for informational purposes and is not advice. WallStreetZen does not bear any responsibility for any losses or damage that may occur as a result of reliance on this data.