As of February 2025 NiSource has a market cap of C$26.62 Billion. This makes NiSource the world's 1039th 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 Feb 20th, 2025 the market cap of NiSource was reported to be: