Williams Companies (WMB) - Market capitalization

Market cap: S$121.65 Billion

As of May 2026 Williams Companies has a market cap of S$121.65 Billion. This makes Williams Companies the world's 239th 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 Williams Companies from 1996 to 2026

End of year Market Cap

Year	Marketcap	Change
2026	S$121.65 B	30.36%
2025	S$93.32 B	4.42%
2024	S$89.37 B	59.72%
2023	S$55.95 B	4.14%
2022	S$53.73 B	25.63%
2021	S$42.77 B	32.88%
2020	S$32.19 B	-16.95%
2019	S$38.75 B	6.33%
2018	S$36.44 B	8.11%
2017	S$33.71 B	-0.37%
2016	S$33.83 B	24.28%
2015	S$27.22 B	-38.62%
2014	S$44.35 B	32.9%
2013	S$33.37 B	22.41%
2012	S$27.26 B	8.18%
2011	S$25.20 B	35.31%
2010	S$18.62 B	7.97%
2009	S$17.25 B	43.98%
2008	S$11.98 B	-60.28%
2007	S$30.17 B	26.16%
2006	S$23.91 B	8.11%
2005	S$22.12 B	49.17%
2004	S$14.82 B	71.52%
2003	S$8.64 B	257.16%
2002	S$2.42 B	-90.06%
2001	S$24.35 B	-21.45%
2000	S$31.00 B	38.24%
1999	S$22.42 B	1.69%
1998	S$22.05 B	43.35%
1997	S$15.38 B	86.16%
1996	S$8.26 B

End of Day market cap according to different sources

On May 20th, 2026 the market cap of Williams Companies was reported to be:

S$121.65 Billion

by Nasdaq

S$121.65 Billion

by CompaniesMarketCap

Market capitalization for similar companies or competitors

Name	Marketcap	Market cap differencediff.	Country
TC Energy TRP	S$93.25 B	-23.34%	🇨🇦 Canada
Enbridge ENB	S$159.19 B	30.87%	🇨🇦 Canada
Ultrapar Participacoes UGP	S$7.98 B	-93.44%	🇧🇷 Brazil
Southwestern Energy SWN	S$10.01 B	-91.77%	🇺🇸 USA
Sea Limited SE	S$67.70 B	-44.34%	🇸🇬 Singapore
EQT Corporation EQT	S$46.19 B	-62.02%	🇺🇸 USA
Enterprise Products EPD	S$108.84 B	-10.53%	🇺🇸 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 Williams Companies (WMB)

Market cap: S$121.65 Billion