AltaGas (ALA.TO) - Market capitalization

Market cap: S$11.78 Billion

As of January 2026 AltaGas has a market cap of S$11.78 Billion. This makes AltaGas the world's 2131th 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 AltaGas from 2000 to 2026

End of year Market Cap

Year	Marketcap	Change
2026	S$11.78 B	-4.32%
2025	S$12.32 B	32.24%
2024	S$9.31 B	14.08%
2023	S$8.16 B	25.08%
2022	S$6.52 B	-19.55%
2021	S$8.11 B	49.51%
2020	S$5.42 B	-4.73%
2019	S$5.69 B	48.52%
2018	S$3.83 B	-27.21%
2017	S$5.27 B	-12.27%
2016	S$6.00 B	30.35%
2015	S$4.60 B	-30.27%
2014	S$6.60 B	11.38%
2013	S$5.93 B	36.47%
2012	S$4.34 B	28.34%
2011	S$3.38 B	46.83%
2010	S$2.30 B	17.6%
2009	S$1.96 B	34.9%
2008	S$1.45 B	-41.86%
2007	S$2.50 B	28.6%
2006	S$1.94 B	-11.14%
2005	S$2.18 B	30.89%
2004	S$1.67 B	76.02%
2003	S$0.95 B	99.38%
2002	S$0.47 B	45.95%
2001	S$0.32 B	44.99%
2000	S$0.22 B

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 AltaGas (ALA.TO)