Oceaneering International
OII
#4129
Rank
โ‚น242.52 B
Marketcap
โ‚น2,420
Share price
-1.10%
Change (1 day)
5.52%
Change (1 year)

Market capitalization of Oceaneering International (OII)

Market cap: โ‚น242.52 Billion

As of December 2025 Oceaneering International has a market cap of โ‚น242.52 Billion. This makes Oceaneering International the world's 4129th 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 2025

End of year Market Cap

Year Marketcap Change
2025โ‚น242.52 B11.01%
2024โ‚น218.47 B22.44%
2023โ‚น178.43 B22.97%
2022โ‚น145.10 B72.72%
2021โ‚น84.01 B45.51%
2020โ‚น57.73 B-45.11%
2019โ‚น105.18 B26.17%
2018โ‚น83.37 B-37.15%
2017โ‚น132.65 B-29.43%
2016โ‚น187.99 B-22.95%
2015โ‚น243.97 B-34.29%
2014โ‚น371.28 B-29.58%
2013โ‚น527.26 B65.91%
2012โ‚น317.80 B20.55%
2011โ‚น263.63 B47.66%
2010โ‚น178.54 B19.73%
2009โ‚น149.11 B95.44%
2008โ‚น76.29 B-47.59%
2007โ‚น145.57 B52.08%
2006โ‚น95.72 B59.57%
2005โ‚น59.98 B43.75%
2004โ‚น41.73 B34.25%
2003โ‚น31.08 B6.96%
2002โ‚น29.06 B14.57%
2001โ‚น25.36 B21.37%
2000โ‚น20.90 B41.21%
1999โ‚น14.80 B2.52%
1998โ‚น14.43 B-18.81%
1997โ‚น17.78 B33.29%
1996โ‚น13.34 B

End of Day market cap according to different sources

On Dec 6th, 2025 the market cap of Oceaneering International was reported to be:

โ‚น241.47 Billion
by Nasdaq info icon info icon
โ‚น242.52 Billion
by CompaniesMarketCap info icon info icon

Market capitalization for similar companies or competitors

Name Marketcap Market cap differencediff. Country
Helix Energy Solutions
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โ‚น96.85 B-60.06%๐Ÿ‡บ๐Ÿ‡ธ USA
Tetra Technologies
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โ‚น101.16 B-58.28%๐Ÿ‡บ๐Ÿ‡ธ USA
Halliburton
HAL
โ‚น2.179 T 798.53%๐Ÿ‡บ๐Ÿ‡ธ USA
Forum Energy Technologies
FET
โ‚น37.68 B-84.46%๐Ÿ‡บ๐Ÿ‡ธ USA