As of January 2026 MDU Resources has a market cap of $4.24 Billion USD. This makes MDU Resources the world's 3409th 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 Jan 15th, 2026 the market cap of MDU Resources was reported to be: