Mdu Resources GroupMDU
13F holders, Q1 2026 (March 31)At the end of Q1 2026, 422 institutions reported holding Mdu Resources Group Inc. (MDU) in their 13F filings, up 6 from Q4 2025. 47 opened new positions and 40 sold out. The largest holders were BlackRock, Inc. ($532.8M), Barrow Hanley Mewhinney & Strauss LLC ($285.1M) and Vanguard Portfolio Management LLC ($259.6M). 8 famous investors held it, including Mario Gabelli (0.0% of GAMCO Investors's portfolio), Joel Greenblatt (0.0% of Gotham Asset Management's portfolio) and Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio).
- Company
- Mdu Resources Group Inc.
- CUSIP
- 552690109
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2025 → Q1 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 47 | $93.3M |
| Exits | 40 | $66.9M |
All 13F filers, Q4 2025 → Q1 2026: 16,241,614 shares bought and 14,834,580 shares sold, net +1,407,034 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 422 holders
| BlackRock, Inc. | 0.01% | Reduce -2.0% | 25,712,048 | $532.8M |
| Barrow Hanley Mewhinney & Strauss LLC | 0.93% | Add +6.7% | 13,760,167 | $285.1M |
| Vanguard Portfolio Management LLC | 0.01% | — | 12,526,974 | $259.6M |
| Dimensional Fund Advisors LP | 0.04% | Add +2.5% | 10,285,747 | $213.1M |
| Earnest Partners LLC | 0.84% | Reduce -0.7% | 9,881,880 | $204.8M |
| Vanguard Capital Management LLC | 0.00% | — | 9,147,886 | $189.5M |
| State Street Corp. | 0.01% | Reduce -1.8% | 6,990,274 | $145.8M |
| Bank of America Corp. | 0.01% | Add +1.6% | 6,202,460 | $128.5M |
| Sei Investments Co. | 0.10% | Reduce -1.2% | 5,261,426 | $109.0M |
| Morgan Stanley | 0.01% | Add +5.2% | 4,221,525 | $87.5M |
| River Road Asset Management, LLC | 0.96% | Reduce -13.4% | 4,077,251 | $84.5M |
| Westwood Holdings Group Inc. | 0.54% | Add +102.1% | 3,542,046 | $73.4M |
| Geode Capital Management, LLC | 0.00% | Add +2.2% | 3,491,440 | $72.4M |
| Nomura Asset Management International Inc. | 0.09% | Reduce -13.6% | 2,596,001 | $53.8M |
| Vaughan Nelson Investment Management, L.P. | 0.53% | New | 2,531,705 | $52.5M |
| Frontier Capital Management Co. LLC | 0.53% | Reduce -4.2% | 2,506,549 | $51.9M |
| Bank of New York Mellon Corp | 0.01% | Reduce -3.2% | 2,363,835 | $49.0M |
| Charles Schwab Investment Management Inc. | 0.01% | Add +2.6% | 2,264,562 | $46.9M |
| T. Rowe Price Investment Management, Inc. | 0.03% | Reduce -6.2% | 2,158,544 | $44.7M |
| Invesco Ltd. | 0.00% | Reduce -3.2% | 1,881,002 | $39.0M |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.05% | Add +12.0% | 1,801,678 | $37.3M |
| UBS Group AG | 0.01% | Add +9.2% | 1,707,254 | $35.4M |
| Natixis Advisors, LLC | 0.05% | Add +50.2% | 1,691,938 | $35.1M |
| US Bancorp \de | 0.04% | Reduce -0.4% | 1,691,882 | $35.1M |
| Deroy & Devereaux Private Investment Counsel Inc. | 1.56% | Reduce -0.1% | 1,553,740 | $32.2M |
| HITE Hedge Asset Management LLC | 1.82% | Add +124.6% | 1,550,000 | $32.1M |
| Northern Trust Corp. | 0.00% | Add +2.9% | 1,533,393 | $31.8M |
| Allspring Global Investments Holdings, LLC | 0.05% | Reduce -7.6% | 1,480,630 | $31.1M |
| First Trust Advisors LP | 0.02% | Reduce -66.6% | 1,481,593 | $30.7M |
| Bragg Financial Advisors, Inc | 0.95% | Add +1.0% | 1,451,854 | $30.1M |
| New York State Common Retirement Fund | 0.04% | Reduce -0.7% | 1,398,717 | $29.0M |
| Jones Financial Companies LLLP | 0.01% | Add +582.9% | 1,381,030 | $28.5M |
| Perpetual Ltd | 0.42% | Add +17.7% | 1,327,882 | $27.5M |
| Vanguard Fiduciary Trust Co. | 0.01% | — | 1,268,614 | $26.3M |
| Neuberger Berman Group LLC | 0.02% | Add +3.1% | 1,226,667 | $25.5M |
| Goldman Sachs Group Inc. | 0.00% | Add +85.9% | 1,103,332 | $22.9M |
| Citadel Advisors | 0.02% | Reduce -35.8% | 1,094,809 | $22.7M |
| Managed Asset Portfolios, LLC | 2.58% | Reduce -2.8% | 1,037,406 | $21.5M |
| Principal Financial Group Inc. | 0.01% | Add +2.0% | 990,325 | $20.5M |
| Renaissance Technologies | 0.03% | Add +197.0% | 929,844 | $19.3M |
| Massachusetts Financial Services Co. | 0.01% | Reduce -5.0% | 853,787 | $17.7M |
| Wells Fargo & Company | 0.00% | Add +3.3% | 845,685 | $17.5M |
| Legal & General Group Plc | 0.00% | Reduce -6.8% | 815,281 | $16.9M |
| HRT Financial LP | 0.04% | Add +131.8% | 735,990 | $15.2M |
| Public Sector Pension Investment Board | 0.05% | Add +3.4% | 731,197 | $15.2M |
| Quantinno Capital Management LP | 0.02% | Add +27.2% | 652,550 | $13.5M |
| Loomis Sayles & Co. L P | 0.02% | Reduce -3.5% | 651,621 | $13.5M |
| Victory Capital Management Inc. | 0.01% | Add +3.3% | 639,617 | $13.3M |
| Franklin Resources Inc. | 0.00% | Add +5437.9% | 590,225 | $12.2M |
| Needham Investment Management LLC | 0.59% | Add +2.9% | 557,500 | $11.6M |
| JPMorgan Chase & Co. | 0.00% | Add +3.6% | 558,834 | $11.5M |
| Yaupon Capital Management LP | 0.56% | Reduce -54.3% | 548,025 | $11.4M |
| Envestnet Asset Management Inc. | 0.00% | Add +10.9% | 526,783 | $10.9M |
| Gotham Asset Management | 0.03% | Reduce -2.3% | 503,877 | $10.4M |
| Adage Capital Partners Gp, L.L.C. | 0.02% | Reduce -58.3% | 500,000 | $10.4M |
| Rhumbline Advisers | 0.01% | Reduce -0.3% | 487,070 | $10.1M |
| Two Sigma Investments, LP | 0.01% | Add +142.4% | 482,576 | $10.0M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Reduce -1.2% | 474,701 | $9.8M |
| Raymond James Financial Inc. | 0.00% | Reduce -2.7% | 472,593 | $9.8M |
| D. E. Shaw & Co. | 0.01% | Add +2698.3% | 470,588 | $9.8M |
| California Public Employees Retirement System | 0.01% | Reduce -2.0% | 419,052 | $8.7M |
| Gabelli Funds LLC | 0.06% | Reduce -5.2% | 395,726 | $8.2M |
| Deutsche Bank AG | 0.00% | Add +7.5% | 391,304 | $8.1M |
| Swiss National Bank | 0.00% | Add +0.4% | 384,190 | $8.0M |
| Man Group plc | 0.02% | Add +72.8% | 378,425 | $7.8M |
| John G Ullman & Associates Inc. | 1.03% | Reduce -3.3% | 376,640 | $7.8M |
| Ameriprise Financial Inc. | 0.00% | Reduce -15.2% | 375,736 | $7.8M |
| Commonwealth of Pennsylvania Public School Empls Retrmt SYS | 0.04% | Reduce -5.5% | 363,102 | $7.5M |
| Hudson Value Partners, LLC | 2.17% | Add +2.8% | 350,713 | $7.3M |
| Millennium Management | 0.01% | Reduce -5.5% | 333,965 | $6.9M |
| State Board of Administration of Florida Retirement System | 0.01% | No change | 319,670 | $6.6M |
| American Century Companies Inc. | 0.00% | Add +75.8% | 319,611 | $6.6M |
| M&T Bank Corp | 0.02% | Reduce -0.5% | 315,717 | $6.5M |
| Nuveen, LLC | 0.00% | Add +5.2% | 312,272 | $6.5M |
| Creative Planning | 0.00% | Add +3.4% | 301,011 | $6.2M |
| Burkehill Global Management, LP | 0.33% | No change | 300,000 | $6.2M |
| Verition Fund Management LLC | 0.06% | Add +213.2% | 300,000 | $6.2M |
| Fifth Third Bancorp | 0.01% | Add +388.8% | 289,470 | $6.0M |
| Russell Investments Group, Ltd. | 0.01% | Reduce -26.4% | 288,491 | $6.0M |
| Bessemer Group Inc. | 0.01% | Add +47.0% | 285,186 | $5.9M |
| Balyasny Asset Management L.P. | 0.01% | New | 284,992 | $5.9M |
| Arrowstreet Capital, Limited Partnership | 0.00% | New | 280,708 | $5.8M |
| Advisors Asset Management, Inc. | 0.10% | Add +9.0% | 278,403 | $5.8M |
| Captrust Financial Advisors | 0.01% | Add +0.8% | 274,957 | $5.7M |
| Angeles Investment Advisors, LLC | 0.34% | No change | 245,414 | $5.1M |
| Aventail Capital Group, LP | 0.24% | New | 242,895 | $5.0M |
| California State Teachers Retirement System | 0.01% | Add +21.9% | 235,773 | $4.9M |
| New York State Teachers Retirement System | 0.01% | Reduce -9.6% | 215,835 | $4.5M |
| Public Employees Retirement System of Ohio | 0.01% | Add +52.6% | 200,471 | $4.2M |
| Covalis Capital LLP | 0.26% | Reduce -60.0% | 200,000 | $4.1M |
| T. Rowe Price Associates Inc. | 0.00% | Add +13.3% | 186,650 | $3.9M |
| GAMCO Investors | 0.04% | Reduce -0.8% | 186,421 | $3.9M |
| Prudential Financial Inc. | 0.00% | Reduce -1.8% | 186,099 | $3.9M |
| Campbell & CO Investment Adviser LLC | 0.21% | Add +109.1% | 181,507 | $3.8M |
| Stifel Financial Corp. | 0.00% | Add +12.3% | 180,312 | $3.7M |
| Hennessy Advisors Inc. | 0.13% | No change | 179,707 | $3.7M |
| CANADA LIFE ASSURANCE Co | 0.01% | Reduce -4.1% | 171,827 | $3.6M |
| Squarepoint Ops LLC | 0.01% | New | 170,054 | $3.5M |
| LPL Financial LLC | 0.00% | Add +8.6% | 170,021 | $3.5M |
| Baird Financial Group, Inc. | 0.01% | Reduce -46.3% | 167,919 | $3.5M |
"% of holder's portfolio" is MDU's weight in each manager's 13F, not the share of Mdu Resources Group Inc. the manager owns.