MDU Resources Group, Inc. (MDU) Holders & Ownership

MDU Resources Group, Inc. (MDU) ownership: Barrow Hanley Mewhinney & Strauss LLC 7% · institutions 82% · index and ETF funds 12% (13F 2026-03-31). Insider activity, 90 days: 0 sales, 0 open-market buys. SEC EDGAR first-party data.

Top Institutional Holders (13F, rolled up by parent)

Source: SEC Form 13F
HolderSharesMarket Value% OutstandingReported
BlackRock25712048.00$532.75M12.2%2026-03-31
Vanguard23348447.00$483.78M11.1%2026-03-31
Barrow Hanley Mewhinney & Strauss LLC13760167.00$285.11M6.5%2026-03-31
Dimensional Fund Advisors10285747.00$213.12M4.9%2026-03-31
Earnest Partners LLC9881880.00$204.75M4.7%2026-03-31
State Street6990274.00$145.82M3.3%2026-03-31
Bank of America6202460.00$128.51M2.9%2026-03-31
SEI Investments5261426.00$109.02M2.5%2026-03-31

Insider Trading Activity (Form 4)

Source: SEC Form 4
InsiderTransactionValueDate
Sellnull2026-06-30
Sellnull2026-06-30
Sellnull2026-03-31
Sellnull2026-03-31
Sellnull2026-03-31
Sellnull2026-03-31
Buynull2026-02-18
Buynull2026-02-18

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Institutional data from SEC Form 13F. Insider data from SEC Form 4. Congressional data from STOCK Act disclosures. Not personalized investment advice.