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.
13F holders, Q1 2026
Institutional positions in Mdu Resources Group Inc as of Mar 31, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 422
- +13 vs. Q4 2025
- Shares held
- 191.6M
- +24.7M (+14.8%) vs. Q4 2025
- Total value
- $3.97B
- +$711.4M (+21.8%) vs. Q4 2025
- New holders
- 55
- 165 more added
- Sold out
- 42
- 109 more reduced
7 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting MDU on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 438 | $4.12B |
| Q1 2026 | 422 | $3.97B |
| Q4 2025 | 416 | $3.80B |
| Q3 2025 | 407 | $2.96B |
| Q2 2025 | 407 | $2.70B |
| Q1 2025 | 403 | $2.81B |
| Q4 2024 | 400 | $2.94B |
| Q3 2024 | 404 | $4.18B |
| Q2 2024 | 386 | $3.82B |
| Q1 2024 | 393 | $3.78B |
| Q4 2023 | 375 | $2.88B |
| Q3 2023 | 378 | $2.81B |
| Q2 2023 | 380 | $3.09B |
| Q1 2023 | 412 | $4.41B |
| Q4 2022 | 404 | $4.41B |
| Q3 2022 | 378 | $4.00B |
| Q2 2022 | 393 | $3.91B |
| Q1 2022 | 411 | $3.73B |
| Q4 2021 | 405 | $4.41B |
| Q3 2021 | 392 | $4.20B |
| Q2 2021 | 394 | $4.39B |
| Q1 2021 | 399 | $4.39B |
Institutions, Q1 2026
Shares, value and share of portfolio for each institution holding Mdu Resources Group Inc; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| UBS Group AG | 1,707,254 | $35.4M | 0.01% | +143,788+9.2% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 1,801,678 | $37.3M | 0.05% | +193,442+12.0% | Added |
| Invesco Ltd. | 1,881,002 | $39.0M | 0.00% | −62,149−3.2% | Reduced |
| T. Rowe Price Investment Management, Inc. | 2,158,544 | $44.7M | 0.03% | −141,825−6.2% | Reduced |
| Charles Schwab Investment Management Inc | 2,264,562 | $46.9M | 0.01% | +57,039+2.6% | Added |
| Bank of New York Mellon Corp | 2,363,835 | $49.0M | 0.01% | −78,106−3.2% | Reduced |
| Frontier Capital Management Co LLC | 2,506,549 | $51.9M | 0.53% | −109,420−4.2% | Reduced |
| Vaughan Nelson Investment Management, L.P. | 2,531,705 | $52.5M | 0.53% | +2,531,705 | New |
| Nomura Asset Management International Inc. | 2,596,001 | $53.8M | 0.09% | −408,536−13.6% | Reduced |
| Geode Capital Management, LLC | 3,491,440 | $72.4M | 0.00% | +76,207+2.2% | Added |
| Westwood Holdings Group Inc. | 3,542,046 | $73.4M | 0.53% | +1,789,472+102.1% | Added |
| River Road Asset Management, LLC | 4,077,251 | $84.5M | 0.96% | −629,791−13.4% | Reduced |
| Morgan Stanley | 4,221,525 | $87.5M | 0.01% | +209,186+5.2% | Added |
| SEI Investments Co | 5,261,426 | $109.0M | 0.10% | −62,482−1.2% | Reduced |
| Bank of America Corp | 6,202,460 | $128.5M | 0.01% | +97,389+1.6% | Added |
| State Street Corp | 6,990,274 | $145.8M | 0.01% | −131,111−1.8% | Reduced |
| Vanguard Capital Management LLC | 9,147,886 | $189.5M | 0.00% | +9,147,886 | New |
| Earnest Partners LLC | 9,881,880 | $204.8M | 0.84% | −64,316−0.6% | Reduced |
| Dimensional Fund Advisors LP | 10,285,747 | $213.1M | 0.04% | +253,950+2.5% | Added |
| Vanguard Portfolio Management LLC | 12,526,974 | $259.6M | 0.01% | +12,526,974 | New |
| Barrow Hanley Mewhinney & Strauss LLC | 13,760,167 | $285.1M | 0.93% | +865,222+6.7% | Added |
| BlackRock, Inc. | 25,712,048 | $532.8M | 0.01% | −514,333−2.0% | Reduced |
| Hotchkis & Wiley Capital Management LLC | 0 | $0 | 0.00% | −1,177,200−100.0% | Sold out |
| Alyeska Investment Group, L.P. | 0 | $0 | 0.00% | −550,000−100.0% | Sold out |
| Ghisallo Capital Management LLC | 0 | $0 | 0.00% | −451,229−100.0% | Sold out |
| Hudson Bay Capital Management LP | 0 | $0 | 0.00% | −164,190−100.0% | Sold out |
| Jain Global LLC | 0 | $0 | 0.00% | −148,308−100.0% | Sold out |
| Consolidated Planning Corp | 0 | $0 | 0.00% | −140,351−100.0% | Sold out |
| BlueCrest Capital Management Ltd | 0 | $0 | 0.00% | −100,000−100.0% | Sold out |
| Entropy Technologies, LP | 0 | $0 | 0.00% | −68,315−100.0% | Sold out |
| Occudo Quantitative Strategies LP | 0 | $0 | 0.00% | −68,304−100.0% | Sold out |
| Fortress Investment Group LLC | 0 | $0 | 0.00% | −67,304−100.0% | Sold out |
| VARCOV Co. | 0 | $0 | 0.00% | −53,391−100.0% | Sold out |
| SummitTX Capital, L.P. | 0 | $0 | 0.00% | −46,978−100.0% | Sold out |
| Maven Securities LTD | 0 | $0 | 0.00% | −44,178−100.0% | Sold out |
| Elo Mutual Pension Insurance Co | 0 | $0 | 0.00% | −32,682−100.0% | Sold out |
| Inspire Advisors, LLC | 0 | $0 | 0.00% | −30,798−100.0% | Sold out |
| Two Sigma Advisers, LP | 0 | $0 | 0.00% | −30,600−100.0% | Sold out |
| Harbor Capital Advisors, Inc. | 0 | $0 | 0.00% | −30,411−100.0% | Sold out |
| HBK Investments L P | 0 | $0 | 0.00% | −30,000−100.0% | Sold out |
| Jefferies Financial Group Inc. | 0 | $0 | 0.00% | −24,893−100.0% | Sold out |
| Mitsubishi UFJ Trust & Banking Corp | 0 | $0 | 0.00% | −23,978−100.0% | Sold out |
| Profund Advisors LLC | 0 | $0 | 0.00% | −21,020−100.0% | Sold out |
| XTX Topco Ltd | 0 | $0 | 0.00% | −14,535−100.0% | Sold out |
| Colony Group, LLC | 0 | $0 | 0.00% | −13,665−100.0% | Sold out |
| Schonfeld Strategic Advisors LLC | 0 | $0 | 0.00% | −13,238−100.0% | Sold out |
| Mariner, LLC | 0 | $0 | 0.00% | −11,768−100.0% | Sold out |
| Calton & Associates, Inc. | 0 | $0 | 0.00% | −11,259−100.0% | Sold out |
| Aster Capital Management (DIFC) Ltd | 0 | $0 | 0.00% | −10,965−100.0% | Sold out |
| Vident Advisory, LLC | 0 | $0 | 0.00% | −10,515−100.0% | Sold out |
| Burrus Financial Services, Inc. | 0 | $0 | 0.00% | −4,207−100.0% | Sold out |
| Foster & Motley Inc | 0 | $0 | 0.00% | −10,352−100.0% | Sold out |
| Banco Bilbao Vizcaya Argentaria, S.A. | 0 | $0 | 0.00% | −10,225−100.0% | Sold out |
| NewEdge Wealth, LLC | 0 | $0 | 0.00% | −10,015−100.0% | Sold out |
| Simplex Trading, LLC | 0 | $0 | 0.00% | −7,170−100.0% | Sold out |
| Quest Partners LLC | 0 | $0 | 0.00% | −6,945−100.0% | Sold out |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 0 | $0 | 0.00% | −6,808−100.0% | Sold out |
| Clear Street Markets LLC | 0 | $0 | 0.00% | −4,238−100.0% | Sold out |
| Concord Wealth Partners | 0 | $0 | 0.00% | −3,389−100.0% | Sold out |
| Flagship Harbor Advisors, LLC | 0 | $0 | 0.00% | −1,407−100.0% | Sold out |
| Walleye Trading LLC | 0 | $0 | 0.00% | −1,133−100.0% | Sold out |
| Elyxium Wealth, LLC | 0 | $0 | 0.00% | −723−100.0% | Sold out |
| Clearstead Advisors, LLC | 0 | $0 | 0.00% | −576−100.0% | Sold out |
| Team Financial Group, LLC | 0 | $0 | 0.00% | −55−100.0% | Sold out |
| Vanguard Group Inc | – | – | – | – | Not filed |
| Norges Bank | – | – | – | – | Not filed |
| Brandywine Global Investment Management, LLC | – | – | – | – | Not filed |
| Comerica Bank | – | – | – | – | Not filed |
| Sandia Investment Management LP | – | – | – | – | Not filed |
| CIBC Private Wealth Group, LLC | – | – | – | – | Not filed |
| Global Retirement Partners, LLC | – | – | – | – | Not filed |