As of April 2025 NorthWestern Corporation has a market cap of C$5.10 Billion. This makes NorthWestern Corporation the world's 3227th 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 31st, 2025 the market cap of NorthWestern Corporation was reported to be: