OCEANEERING INTERNATIONAL INC (OII) Stock

EnergyOil & Gas Equipment & Services Website

4 of the hedge funds AlphaScala tracks reported OII in 13F filings for the quarter ended Jun 30, 2026; the largest reported position is Millennium Management's at $6.27M. Company insiders reported 0 open-market buys and 5 sales on SEC Form 4 in the 90 days to Nov 4, 2026.

Which hedge funds own OII?

From 13F filings
FundShares HeldPosition ValueChange vs prior Q
Millennium Management
Israel Englander
155K$6.27MNEW
Marshall Wace105K$4.25MNEW
Renaissance Technologies
Jim Simons (founder)
45K$1.81M-47%
D.E. Shaw
David Shaw
9K$366.7KNEW

13F holdings as of Jun 30, 2026

Explore all tracked funds →

Are OCEANEERING INTERNATIONAL INC insiders buying or selling?

SEC Form 4 filings
90 days to Nov 4, 2026
Buys
0
Sells
5
Net $
-$1.0M
Unique insiders
2
DateInsiderRoleTypeSharesValue
Nov 2, 26Larson Roderick A.President and CEOSELL1.7K$74K
Nov 2, 26Larson Roderick A.President and CEOSELL4.3K$191K
Oct 1, 26Larson Roderick A.President and CEOSELL1.7K$74K
Oct 1, 26Larson Roderick A.President and CEOSELL4.3K$191K
Aug 7, 26Murphy Paul B JrDirectorSELL10.0K$484K
Jul 30, 26Childress EarlSVP, Chief Commercial Ofc.SELL12.7K$593K
Jul 30, 26Dyer Christopher JSVP, OPGroupSELL1.2K$57K
Jul 30, 26Mcevoy M KevinDirectorSELL3.0K$144K

SEC Form 4 filings as of Nov 4, 2026

See cluster-buy signals across all tickers →

OII price chart

Powered by TradingView

What does OCEANEERING INTERNATIONAL INC do?

Oceaneering International, Inc. is a diversified oilfield services company specializing in engineered services and products primarily for the offshore energy industry. Its core objective is to support the safe and efficient extraction of oil, gas, and renewable resources from underwater environments. A significant portion of its offerings is centered around remotely operated vehicles (ROVs), which are crucial for subsea exploration and construction tasks. Oceaneering also provides services such as asset integrity management, remotely operated vehicles, manned diving, and mobile offshore production systems. In addition to energy, the company caters to sectors like defense and aerospace, where its expertise in robotics and deep-sea operations are highly valued. Founded in 1964 and headquartered in Houston, Texas, Oceaneering has developed a global presence. It plays a pivotal role in the technology-driven side of offshore engineering, offering solutions that address complex operational challenges in challenging marine environments. Through its integration of advanced technology and specialized equipment, Oceaneering enhances oil and gas production efficiency and safety, while also expanding its impact into burgeoning markets like subsea mining and renewable energy.

CEO
Mr. Roderick A. Larson
Employees
10,400
Ask about OIIAI research agent