Transocean (RIG) - Market capitalization

Market cap: £3.67 Billion

As of December 2025 Transocean has a market cap of £3.67 Billion. This makes Transocean the world's 3087th 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 Transocean from 1996 to 2025

End of year Market Cap

Year	Marketcap	Change
2025	£3.67 B	49.01%
2024	£2.46 B	-38.91%
2023	£4.03 B	48.2%
2022	£2.72 B	103.01%
2021	£1.34 B	28.57%
2020	£1.04 B	-67.53%
2019	£3.21 B	-3.69%
2018	£3.33 B	7.81%
2017	£3.09 B	-33.52%
2016	£4.65 B	52.92%
2015	£3.04 B	-28.7%
2014	£4.26 B	-60.54%
2013	£10.80 B	8.81%
2012	£9.93 B	25.74%
2011	£7.90 B	-45.01%
2010	£14.36 B	-12.59%
2009	£16.43 B	59.73%
2008	£10.28 B	-54.98%
2007	£22.85 B	89.26%
2006	£12.07 B	-7.98%
2005	£13.12 B	84.86%
2004	£7.09 B	65.33%
2003	£4.29 B	-7.03%
2002	£4.61 B	-37.89%
2001	£7.43 B	14.51%
2000	£6.49 B	48.24%
1999	£4.38 B	170.18%
1998	£1.62 B	-2.74%
1997	£1.66 B	60.41%
1996	£1.03 B

End of Day market cap according to different sources

On Dec 5th, 2025 the market cap of Transocean was reported to be:

£3.66 Billion

by Nasdaq

£3.67 Billion

by CompaniesMarketCap

Market capitalization for similar companies or competitors

Name	Marketcap	Market cap differencediff.	Country
Helmerich & Payne HP	£2.23 B	-39.24%	🇺🇸 USA
Nabors Industries NBR	£0.63 B	-82.59%	🇧🇲 Bermuda
Patterson-UTI Energy PTEN	£1.82 B	-50.22%	🇺🇸 USA

What is the market capitalization of a company?

The market capitalization sometimes referred as Marketcap, is the value of a publicly listed company.
In most cases it can be easily calculated by multiplying the share price with the amount of outstanding shares.

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Market capitalization of Transocean (RIG)

Market cap: £3.67 Billion