MDU RESOURCES GROUP INC (MDU) Institutional Shareholders
MDU RESOURCES GROUP INC (MDU) is currently reported in institutional portfolios tracked by InsiderSet based on the latest available SEC Form 13F filings for the quarter ended June 30, 2026. The institutional investors covered on this page collectively reported approximately $3.74B in MDU holdings during the latest filing period.
Blackrock, Inc. is currently the largest disclosed institutional shareholder of MDU tracked by InsiderSet, reporting ownership valued at approximately $532.75M in its March 31, 2026 SEC Form 13F filing. Based on current market prices and the latest disclosed share count, the position is now estimated to be worth approximately $512.96M, representing an estimated loss of -3.72% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 58% of the total disclosed MDU value among the investors covered in this analysis. Major shareholders include Blackrock, Inc., Barrow Hanley Mewhinney & Strauss Llc, Vanguard Portfolio Management Llc, and several other long-term asset managers with concentrated positions in MDU RESOURCES GROUP INC (MDU).
This page ranks the largest institutional MDU shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
Institutional Holders
418
Total Reported Value
$3.74B
Largest Holder
Blackrock, Inc.
Largest Position
$532.75M
Insider Transactions (90d)
2
Latest Filing Quarter
Q2 2026
New Institutional Positions
63
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Blackrock, Inc. | 0.01% | 25,712,048 | $532,753,628 | $512,955,358 | -$19,798,270 | -3.72% | |
| Barrow Hanley Mewhinney & Strauss Llc | 0.93% | 13,760,167 | $285,110,660 | $274,515,332 | -$10,595,328 | -3.72% | |
| Vanguard Portfolio Management Llc | 0.01% | 12,526,974 | $259,558,901 | $249,913,131 | -$9,645,770 | -3.72% | |
| Dimensional Fund Advisors Lp | 0.04% | 10,285,747 | $213,119,983 | $205,200,653 | -$7,919,330 | -3.72% | |
| Earnest Partners Llc | 0.84% | 9,881,880 | $204,752,554 | $197,143,506 | -$7,609,048 | -3.72% | |
| Vanguard Capital Management Llc | 0.00% | 9,147,886 | $189,544,198 | $182,500,326 | -$7,043,872 | -3.72% | |
| State Street Corp | 0.01% | 6,990,274 | $145,817,917 | $139,455,966 | -$6,361,951 | -4.36% | |
| Bank Of America Corp | 0.01% | 6,202,460 | $128,514,967 | $123,739,077 | -$4,775,890 | -3.72% | |
| Sei Investments Co | 0.10% | 5,261,426 | $109,016,836 | $104,965,449 | -$4,051,387 | -3.72% | |
| Morgan Stanley | 0.01% | 4,221,525 | $87,470,034 | $84,219,424 | -$3,250,610 | -3.72% | |
| Westwood Holdings Group Inc | 0.53% | 3,542,046 | $73,391,193 | $70,663,818 | -$2,727,375 | -3.72% | |
| Geode Capital Management, Llc | 0.00% | 3,491,440 | $72,369,288 | $69,654,228 | -$2,715,060 | -3.75% | |
| River Road Asset Management, Llc | 0.80% | 3,403,955 | $72,197,886 | $67,908,902 | -$4,288,984 | -5.94% | |
| Nomura Asset Management International Inc. | 0.09% | 2,596,001 | $53,789,000 | $51,790,220 | -$1,998,780 | -3.72% | |
| Frontier Capital Management Co Llc | 0.53% | 2,506,549 | $51,935,695 | $50,005,653 | -$1,930,042 | -3.72% | |
| Bank Of New York Mellon Corp | 0.01% | 2,363,835 | $48,978,658 | $47,158,508 | -$1,820,150 | -3.72% | |
| Charles Schwab Investment Management Inc | 0.01% | 2,264,562 | $46,921,725 | $45,178,012 | -$1,743,713 | -3.72% | |
| Invesco Ltd. | 0.01% | 1,881,002 | $38,974,361 | $37,525,990 | -$1,448,371 | -3.72% | |
| Mirae Asset Global Etfs Holdings Ltd. | 0.05% | 1,801,678 | $37,330,465 | $35,943,476 | -$1,386,989 | -3.72% | |
| Ubs Group Ag | 0.01% | 1,707,254 | $35,374,302 | $34,059,717 | -$1,314,585 | -3.72% | |
| Us Bancorp \De\ | 0.04% | 1,691,882 | $35,055,795 | $33,753,046 | -$1,302,749 | -3.72% | |
| Hite Hedge Asset Management Llc | 1.81% | 1,550,000 | $32,116,000 | $30,922,500 | -$1,193,500 | -3.72% | |
| Northern Trust Corp | 0.00% | 1,533,393 | $31,771,903 | $30,591,190 | -$1,180,713 | -3.72% | |
| Allspring Global Investments Holdings, Llc | 0.05% | 1,480,630 | $31,137,654 | $29,538,569 | -$1,599,086 | -5.14% | |
| First Trust Advisors Lp | 0.02% | 1,481,593 | $30,698,606 | $29,557,780 | -$1,140,826 | -3.72% | |
| Bragg Financial Advisors, Inc | 0.95% | 1,451,854 | $30,082,415 | $28,964,487 | -$1,117,928 | -3.72% | |
| New York State Common Retirement Fund | 0.04% | 1,404,875 | $29,797,399 | $28,027,256 | -$1,770,143 | -5.94% | |
| Perpetual Ltd | 0.41% | 1,369,442 | $29,045,865 | $27,320,368 | -$1,725,497 | -5.94% | |
| Jones Financial Companies Lllp | 0.01% | 1,381,030 | $28,463,333 | $27,551,549 | -$911,785 | -3.20% | |
| Vanguard Fiduciary Trust Co | 0.01% | 1,268,614 | $26,285,682 | $25,308,849 | -$976,833 | -3.72% | |
| Neuberger Berman Group Llc | 0.02% | 1,226,667 | $25,497,896 | $24,472,007 | -$1,025,889 | -4.02% | |
| Goldman Sachs Group Inc | 0.00% | 1,103,332 | $22,861,045 | $22,011,473 | -$849,572 | -3.72% | |
| Citadel Advisors Llc | 0.02% | 1,094,809 | $22,684,442 | $21,841,440 | -$843,002 | -3.72% | |
| Managed Asset Portfolios, Llc | 2.58% | 1,037,406 | $21,495,062 | $20,696,250 | -$798,812 | -3.72% | |
| Principal Financial Group Inc | 0.01% | 990,325 | $20,519,534 | $19,756,984 | -$762,550 | -3.72% | |
| Renaissance Technologies LLC | Jim Simons | 0.03% | 929,844 | $19,266,368 | $18,550,388 | -$715,980 | -3.72% |
| Massachusetts Financial Services Co | 0.01% | 853,787 | $17,690,467 | $17,033,051 | -$657,416 | -3.72% | |
| Wells Fargo & Company/Mn | 0.00% | 845,685 | $17,522,613 | $16,871,416 | -$651,197 | -3.72% | |
| Legal & General Group Plc | 0.00% | 815,281 | $16,892,622 | $16,264,856 | -$627,766 | -3.72% | |
| Public Sector Pension Investment Board | 0.05% | 731,197 | $15,150,402 | $14,587,380 | -$563,022 | -3.72% | |
| Quantinno Capital Management Lp | 0.02% | 652,550 | $13,520,845 | $13,018,373 | -$502,473 | -3.72% | |
| Loomis Sayles & Co L P | 0.02% | 651,621 | $13,501,587 | $12,999,839 | -$501,748 | -3.72% | |
| Victory Capital Management Inc | 0.01% | 639,617 | $13,252,864 | $12,760,359 | -$492,505 | -3.72% | |
| Franklin Resources Inc | 0.00% | 590,225 | $12,229,462 | $11,774,989 | -$454,473 | -3.72% | |
| Needham Investment Management Llc | 0.59% | 557,500 | $11,551,400 | $11,122,125 | -$429,275 | -3.72% | |
| Yaupon Capital Management Lp | 0.56% | 548,025 | $11,355,078 | $10,933,099 | -$421,979 | -3.72% | |
| Envestnet Asset Management Inc | 0.00% | 526,783 | $10,914,935 | $10,509,321 | -$405,614 | -3.72% | |
| Gotham Asset Management, Llc | 0.03% | 503,877 | $10,440,331 | $10,052,346 | -$387,985 | -3.72% | |
| Adage Capital Partners Gp, L.L.C. | 0.02% | 500,000 | $10,360,000 | $9,975,000 | -$385,000 | -3.72% | |
| Rhumbline Advisers | 0.01% | 487,070 | $10,092,050 | $9,717,047 | -$375,004 | -3.72% |
Frequently asked questions about MDU
Who owns the most MDU stock?
The largest holders of MDU are typically major institutional investors such as asset managers and hedge funds reporting on Form 13F. The table above ranks tracked superinvestors by reported position size using the latest available filings for MDU RESOURCES GROUP INC (MDU).
Is MDU widely held by superinvestors?
Many widely followed stocks like MDU appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly MDU is represented among the institutional managers we track.
What do “Current Estimated Value”, “Gain/loss Since Filing”, and “Estimated Portfolio Performance” mean?
Current Estimated Value is reported share quantity from the latest 13F times our most recent split-adjusted U.S. session close. Gain/loss Since Filing is that estimate minus the reported 13F dollar value; Estimated Portfolio Performance is that difference as a percent of the reported value. Green means the estimate is above the filing value; red means below (not purchase cost). If many filers share the same implied filing price per share, the performance % may match across rows. These are not official fund marks or live quotes.