AltaGas (ALA.TO) - Market capitalization

Market cap: NZ$16.06 Billion

As of December 2025 AltaGas has a market cap of NZ$16.06 Billion. This makes AltaGas the world's 2045th 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 2025

End of year Market Cap

Year	Marketcap	Change
2025	NZ$16.06 B	32.16%
2024	NZ$12.15 B	24.29%
2023	NZ$9.77 B	27.46%
2022	NZ$7.67 B	-12.72%
2021	NZ$8.78 B	54.55%
2020	NZ$5.68 B	-9.38%
2019	NZ$6.27 B	49.89%
2018	NZ$4.18 B	-24.55%
2017	NZ$5.54 B	-7.41%
2016	NZ$5.99 B	25.87%
2015	NZ$4.76 B	-25.43%
2014	NZ$6.38 B	12.01%
2013	NZ$5.70 B	31.86%
2012	NZ$4.32 B	28.95%
2011	NZ$3.35 B	44.36%
2010	NZ$2.32 B	20.67%
2009	NZ$1.92 B	9.8%
2008	NZ$1.75 B	-22.78%
2007	NZ$2.26 B	26.03%
2006	NZ$1.80 B	-6.38%
2005	NZ$1.92 B	33.89%
2004	NZ$1.43 B	67%
2003	NZ$0.86 B	63.93%
2002	NZ$0.52 B	23.55%
2001	NZ$0.42 B	44.86%
2000	NZ$0.29 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)