Oceaneering International
OII
#3961
Rank
S$3.89 B
Marketcap
S$38.87
Share price
1.43%
Change (1 day)
14.87%
Change (1 year)

Market capitalization of Oceaneering International (OII)

Market cap: S$3.89 Billion

As of February 2026 Oceaneering International has a market cap of S$3.89 Billion. This makes Oceaneering International the world's 3961th most valuable company by market cap according to our data. The market capitalization, commonly called market cap, is the total market value of a publicly traded company's outstanding shares and is commonly used to measure how much a company is worth.

Market cap history of Oceaneering International from 1996 to 2026

End of year Market Cap

Year Marketcap Change
2026S$3.89 B25.3%
2025S$3.10 B-10.21%
2024S$3.46 B22.28%
2023S$2.83 B20.42%
2022S$2.35 B54.06%
2021S$1.52 B46.1%
2020S$1.04 B-47.48%
2019S$1.98 B22.09%
2018S$1.62 B-41.38%
2017S$2.77 B-30.6%
2016S$4.00 B-22.9%
2015S$5.19 B-32.91%
2014S$7.74 B-28.41%
2013S$10.81 B52.34%
2012S$7.09 B9.98%
2011S$6.45 B25.75%
2010S$5.13 B13.76%
2009S$4.51 B98.75%
2008S$2.27 B-57.47%
2007S$5.33 B61.06%
2006S$3.31 B49.31%
2005S$2.21 B41.19%
2004S$1.57 B35.52%
2003S$1.15 B10.31%
2002S$1.05 B8.05%
2001S$0.97 B25.4%
2000S$0.77 B36.92%
1999S$0.56 B1.13%
1998S$0.56 B-26.52%
1997S$0.76 B46.88%
1996S$0.51 B

End of Day market cap according to different sources

On Feb 1st, 2026 the market cap of Oceaneering International was reported to be:

S$3.82 Billion
by Nasdaq info icon info icon
S$3.84 Billion
by CompaniesMarketCap info icon info icon

Market capitalization for similar companies or competitors

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Tetra Technologies
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Helix Energy Solutions
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