As of March 2025 AltaGas has a market cap of S$10.45 Billion. This makes AltaGas the world's 2026th 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.
On Mar 18th, 2025 the market cap of AltaGas was reported to be: