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.
| Holder | Shares | Market Value | % Outstanding | Reported |
|---|---|---|---|---|
| BlackRock | 25712048.00 | $532.75M | 12.2% | 2026-03-31 |
| Vanguard | 23348447.00 | $483.78M | 11.1% | 2026-03-31 |
| Barrow Hanley Mewhinney & Strauss LLC | 13760167.00 | $285.11M | 6.5% | 2026-03-31 |
| Dimensional Fund Advisors | 10285747.00 | $213.12M | 4.9% | 2026-03-31 |
| Earnest Partners LLC | 9881880.00 | $204.75M | 4.7% | 2026-03-31 |
| State Street | 6990274.00 | $145.82M | 3.3% | 2026-03-31 |
| Bank of America | 6202460.00 | $128.51M | 2.9% | 2026-03-31 |
| SEI Investments | 5261426.00 | $109.02M | 2.5% | 2026-03-31 |
| Insider | Transaction | Value | Date |
|---|---|---|---|
| Sell | null | 2026-06-30 | |
| Sell | null | 2026-06-30 | |
| Sell | null | 2026-03-31 | |
| Sell | null | 2026-03-31 | |
| Sell | null | 2026-03-31 | |
| Sell | null | 2026-03-31 | |
| Buy | null | 2026-02-18 | |
| Buy | null | 2026-02-18 |
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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.