Oceaneering International, Inc. (OII)

Oceaneering International Market Cap

Oceaneering International has a market cap or net worth of $3.61 billion as of June 22, 2026. Its market cap has increased by 78.71% in one year.

• Market Cap: 3.61B
• Enterprise Value: 3.84B
• 1-Year Change: 78.71%
• Ranking: #1654
• Category: Mid-Cap
• Stock Price: $36.19

Market Cap Chart

Since December 1, 1998, Oceaneering International's market cap has increased from $286.30M to $3.61B, an increase of 1,160.84%. That is a compound annual growth rate of 9.63%.

Market Cap History

Date	Market Cap	% Change
Jun 22, 2026	3.61B	50.56%
Dec 31, 2025	2.40B	-9.03%
Dec 31, 2024	2.64B	22.96%
Dec 29, 2023	2.14B	22.24%
Dec 30, 2022	1.75B	55.36%
Dec 31, 2021	1.13B	42.96%
Dec 31, 2020	789.50M	-46.47%
Dec 31, 2019	1.48B	23.72%
Dec 31, 2018	1.19B	-42.62%
Dec 29, 2017	2.08B	-24.90%
Dec 30, 2016	2.77B	-24.64%
Dec 31, 2015	3.67B	-40.56%
Dec 31, 2014	6.18B	-27.64%
Dec 31, 2013	8.53B	47.04%
Dec 31, 2012	5.80B	16.47%
Dec 30, 2011	4.98B	25.08%
Dec 31, 2010	3.98B	24.06%
Dec 31, 2009	3.21B	102.33%
Dec 31, 2008	1.59B	-57.20%
Dec 31, 2007	3.71B	72.34%
Dec 29, 2006	2.15B	61.80%
Dec 30, 2005	1.33B	39.03%
Dec 31, 2004	956.80M	40.62%
Dec 31, 2003	680.40M	11.09%
Dec 31, 2002	612.50M	17.16%

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Data Source: Nasdaq Data Link Last updated: Jun 18, 2026

Market cap data is provided by Nasdaq Data Link. The current market cap updates continuously throughout the trading day, while the historical market cap is updated daily after market close.

Update frequency:

Daily

Last checked:

Jun 22, 2026

Data Sources Report a data error

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