Company overview
MDU Resources Group, Inc. engages in the regulated energy delivery businesses in the United States. The company operates through three segments: Electric, Natural Gas Distribution, and Pipeline. It generates, transmits, and distributes electricity in Montana, North Dakota, South Dakota, and Wyoming. The company also distributes natural gas in Idaho, Minnesota, Montana, North Dakota, Oregon, South Dakota, Washington, and Wyoming; and supplies related value-added services. In addition, it provides natural gas transportation and underground storage services through a regulated pipeline system primarily in the Rocky Mountain and northern Great Plains regions; and cathodic protection non-regulated energy-related services. Further, the company offers transportation and storage services. MDU Resources Group, Inc. was incorporated in 1924 and is headquartered in Bismarck, North Dakota.
Daily valuation snapshot
These values come from the daily market snapshot dated 2026-10-08. TTM means trailing twelve months. Use the market date when comparing MDU with another company.
| Daily close (USD) | $18.81 |
| Market capitalization (USD) | $3,956,673,267.36 |
| Price / earnings (TTM) | 20.11 |
| Price / book | 1.35 |
No matching rows. Clear the filter to see all records.
Read MDU's valuation metrics
Company size
MDU Resources Group, Inc.'s recorded market capitalization is $3,956,673,267.36. It measures the market value of the company's equity, rather than its revenue or cash balance.
Price relative to earnings
MDU's recorded P/E is 20.11: about $20.11 of share price for each $1 of trailing annual earnings per share. Compare that multiple with earnings growth and companies in the same business.
Price relative to book equity
MDU's recorded price-to-book ratio is 1.35. That compares its market equity value with recorded book equity. Examine its business and balance sheet to understand why those values differ.
Research MDU Resources Group, Inc. with Aurora
Use the snapshot above to ask a specific question about MDU. Ask for the report period and the figures behind the explanation, then compare the answer with the company's business description.
Continue the research
Follow MDU's ownership disclosures to see who filed a transaction or position and when it became public. To turn a research idea into a strategy, define an entry rule and test its dated observations.