Mdu Resources Group Inc
MDU- Exchange
- NYSE
- Industry
- Mining & Quarrying of Nonmetallic Minerals (No Fuels)
- SEC CIK
- 0000067716
No open-market purchases or sales by Mdu Resources Group Inc insiders were filed in the last 90 days; 438 institutions reported holding it in 13F filings for Q2 2026, worth $4.12B in total; no superinvestor holds it.
Key figures
- Insider buysOpen market, last 90 days
- 0
- Insider sellsOpen market, last 90 days
- 0
- 13F holdersQ2 2026, +19 vs. previous quarter
- 438
- 13F valueReported value at the end of Q2 2026
- $4.12B
- Superinvestors holdingAt the end of Q2 2026
- 0
Price chart
Superinvestors holding MDU, Q2 2026
No superinvestor reported holding MDU at the end of Q2 2026.
Latest insider trades
Open-market purchases and sales by Mdu Resources Group Inc insiders from Form 4, newest first.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Feb 17, 2026 (view filing) | Feb 13 | 4 days | Kelley Charles MDirector | PPurchase | +5.00K | $20.85 | +$104.3K | +165.0%8.03K after | |
| Sep 9, 2025 (view filing) | Sep 8 | 1 day | Vollmer Jason LCFO | PPurchase | +5.00K | $16.08 | +$80.4K | +1.5%344.5K after | |
| Aug 19, 2025 (view filing) | Aug 19 | Same day | Vollmer Jason LCFO | PPurchase | +5.00K | $16.28 | +$81.4K | +1.5%339.5K after | |
| Feb 10, 2025 (view filing) | Feb 10 | Same day | Johnson Dennis WDirector | PPurchase | +30.0K | $16.64 | +$499.2K | +20.0%180.2K after | |
| May 8, 2024 (view filing) | May 7 | 1 day | Johnson Rob L.President-WBI Holdings | PPurchaseCommon Stock - 401(k) | +36.3K | $25.46 | +$924.0K | +643.2%41.9K after | |
| Mar 13, 2024 (view filing) | Mar 12 | 1 day | Rosenthal DaleDirector | PPurchase | +375 | $22.55 | +$8.46K | +2.3%16.5K after |
Top 10 13F holders, Q2 2026
The largest institutional positions in Mdu Resources Group Inc at the end of Q2 2026; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock, Inc. | 27,351,603 | $580.1M | 0.01% | +1,639,555+6.4% | Added |
| Barrow Hanley Mewhinney & Strauss LLC | 13,056,724 | $276.9M | 0.84% | −703,443−5.1% | Reduced |
| Vanguard Portfolio Management LLC | 12,692,333 | $269.2M | 0.01% | +165,359+1.3% | Added |
| Dimensional Fund Advisors LP | 10,435,060 | $221.3M | 0.04% | +149,313+1.5% | Added |
| Earnest Partners LLC | 9,726,856 | $206.3M | 0.74% | −155,024−1.6% | Reduced |
| Vanguard Capital Management LLC | 9,416,562 | $199.7M | 0.00% | +268,676+2.9% | Added |
| State Street Corp | 7,376,161 | $157.4M | 0.00% | +385,887+5.5% | Added |
| Bank of America Corp | 6,089,546 | $129.2M | 0.01% | −112,914−1.8% | Reduced |
| SEI Investments Co | 5,228,758 | $110.9M | 0.10% | −32,668−0.6% | Reduced |
| Morgan Stanley | 4,086,803 | $86.7M | 0.00% | −134,722−3.2% | Reduced |