Oceaneering International, Inc. (OII)

Oceaneering International Market Cap

Oceaneering International has a market cap or net worth of $4.72 billion as of October 24, 2025. Its market cap has increased by 81.85% in one year.

• Market Cap: 4.72B
• Enterprise Value: 5.10B
• 1-Year Change: 81.85%
• Ranking: #1389
• Category: Mid-Cap
• Stock Price: $23.59

Market Cap Chart

Since December 1, 1998, Oceaneering International's market cap has increased from $286.30M to $4.72B, an increase of 1,546.96%. That is a compound annual growth rate of 10.97%.

Market Cap History

Date	Market Cap	% Change
Oct 24, 2025	2.35B	-10.70%
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%
Dec 31, 2001	522.80M	17.01%

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