Oceaneering International, Inc. (OII)
NYSE: OII · Real-Time Price · USD
43.53
-1.27 (-2.83%)
At close: Oct 14, 2026, 4:00 PM EDT
42.92
-0.61 (-1.40%)
After-hours: Oct 14, 2026, 7:41 PM EDT
Oceaneering International Market Cap
Oceaneering International has a market cap or net worth of $4.33 billion as of October 14, 2026. It is the 4,004th most valuable company in the world and the 1,243rd biggest in the United States. Its market cap has increased by 91.22% in one year.
Market Cap
4.33B
Enterprise Value
4.52B
1-Year Change
91.22%
Global Rank
Country Rank
#1,243 United States
Category
ChartMarket Cap Chart
Since December 1, 1998, Oceaneering International's market cap has increased from $286.30M to $4.33B, an increase of 1,413.28%. That is a compound annual growth rate of 10.23%.
| Date | Market Cap | % Change |
|---|---|---|
| Oct 14, 2026 | 4.33B | 80.70% |
| 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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Market Capitalization
Market capitalization, also called net worth, is the total value of all of a company's outstanding shares. It is calculated by multiplying the stock price by the number of shares outstanding.
Formula: Market Cap = Stock Price * Shares Outstanding
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