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Equibles

MDU

Mdu Resources Group Inc

Company with tickers: MDU

CIK
67716
CUSIP
552690109
Shares Outstanding
209,006,024
13F Activity (30d)
242 filings 238 filers

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Holders: 417
Total Value: $3,968,356,808
Total Shares: 191,523,025
Showing 1–100 of 417 holdings by value · page 1 of 5

Institutional Ownership Trend

25 quarters

Holder Concentration

Across 417 13F filers · Δ vs Dec 31, 2025
Top Holder
13.4%
Jun 2023 → Mar 2026 · range 12.9% – 16.3%
−0.0 pts
Top 5
37.7%
Jun 2023 → Mar 2026 · range 37.7% – 48.5%
−4.9 pts
Top 10
54.3%
Jun 2023 → Mar 2026 · range 54.3% – 60.4%
−2.5 pts
HHI
425
Jun 2023 → Mar 2026 · range 425 – 612
Broadly held −76

Quarterly Activity

vs Dec 31, 2025
New
55
Increased
163
Decreased
108
Sold Out
51
Unchanged
91
Holder count: +4
Institutional value: +4.4%
Shares held: -1.6%

Top Buyers

vs Dec 31, 2025
Institution Added Now Holds Open
Large WESTWOOD HOLDINGS GROUP INC +1,789,472 3,542,046
Large JONES FINANCIAL COMPANIES LLLP +1,178,789 1,381,030
Large BARROW HANLEY MEWHINNEY & STRAUSS LLC +865,222 13,760,167
Mid HITE Hedge Asset Management LLC +860,000 1,550,000
Large RENAISSANCE TECHNOLOGIES LLC +616,794 929,844

Top Sellers

vs Dec 31, 2025
Institution Sold Now Holds Open
Mega FIRST TRUST ADVISORS LP −2,954,928 1,481,593
Large ADAGE CAPITAL PARTNERS GP, L.L.C. −700,000 500,000
Large Thrivent Financial for Lutherans −661,177 136,419
Mid Yaupon Capital Management LP −651,975 548,025
Mid River Road Asset Management, LLC −629,791 4,077,251

Top New Positions

vs Dec 31, 2025
Institution Acquired Value (USD) Open
Mega VANGUARD PORTFOLIO MANAGEMENT LLC 12,526,974 $259,558,901
Mega VANGUARD CAPITAL MANAGEMENT LLC 9,147,886 $189,544,197
Mid VAUGHAN NELSON INVESTMENT MANAGEMENT, L.P. 2,531,705 $52,456,926
Mega VANGUARD FIDUCIARY TRUST CO 1,268,614 $26,285,682
Large Balyasny Asset Management L.P. 284,992 $5,905,033

Top Sold-Out Positions

vs Dec 31, 2025
Institution Previously Held Last Value (USD) Open
Mega VANGUARD GROUP INC 23,828,483 $465,131,986
Mega NORGES BANK 3,054,154 $59,617,086
Large HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC 1,177,200 $22,978,944
Large Brandywine Global Investment Management, LLC 596,653 $11,646,666
Large Alyeska Investment Group, L.P. 550,000 $10,736,000
Filter: New 55 Increased 163 Reduced 108 Sold out 51 Unchanged 91
Showing 100 of 417
All Common Calls Puts
Export CSV
Holder Value (USD) % of 13F Shares Open
Mega BlackRock, Inc. $532,753,627 13.43% 25,712,048
Large BARROW HANLEY MEWHINNEY & STRAUSS LLC $285,110,660 7.18% 13,760,167
Mega VANGUARD PORTFOLIO MANAGEMENT LLC $259,558,901 6.54% 12,526,974
Mega DIMENSIONAL FUND ADVISORS LP $213,120,675 5.37% 10,285,747
Large EARNEST PARTNERS LLC $204,752,553 5.16% 9,881,880
Mega VANGUARD CAPITAL MANAGEMENT LLC $189,544,197 4.78% 9,147,886
Mega STATE STREET CORP $144,838,477 3.65% 6,990,274
Mega BANK OF AMERICA CORP /DE/ Bank $128,514,969 3.24% 6,202,460
Large SEI INVESTMENTS CO $109,016,745 2.75% 5,261,426
Mega MORGAN STANLEY $87,469,992 2.20% 4,221,525
Mid River Road Asset Management, LLC $84,480,640 2.13% 4,077,251
Large WESTWOOD HOLDINGS GROUP INC $73,391,193 1.85% 3,542,046
Mega GEODE CAPITAL MANAGEMENT, LLC $72,342,636 1.82% 3,491,440
Large NOMURA ASSET MANAGEMENT INTERNATIONAL INC. $53,789,140 1.36% 2,596,001
Mid VAUGHAN NELSON INVESTMENT MANAGEMENT, L.P. $52,456,926 1.32% 2,531,705
Mid FRONTIER CAPITAL MANAGEMENT CO LLC $51,935,695 1.31% 2,506,549
Mega Bank of New York Mellon Corp Bank $48,978,655 1.23% 2,363,835
Mega CHARLES SCHWAB INVESTMENT MANAGEMENT INC $46,921,724 1.18% 2,264,562
Mega T. Rowe Price Investment Management, Inc. $44,725,031 1.13% 2,158,544
Mega Invesco Ltd. $38,974,357 0.98% 1,881,002
Large MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. Mutual Fund $37,330,767 0.94% 1,801,678
Mega UBS Group AG $35,374,302 0.89% 1,707,254
Large NATIXIS ADVISORS, LLC $35,056,955 0.88% 1,691,938
Large US BANCORP \DE\ Bank $35,055,793 0.88% 1,691,882
Mid DEROY & DEVEREAUX PRIVATE INVESTMENT COUNSEL INC $32,193,492 0.81% 1,553,740
Mid HITE Hedge Asset Management LLC $32,116,000 0.81% 1,550,000
Mega NORTHERN TRUST CORP Bank $31,771,901 0.80% 1,533,393
Mega FIRST TRUST ADVISORS LP $30,698,606 0.77% 1,481,593
Large Allspring Global Investments Holdings, LLC $30,678,653 0.77% 1,480,630
Mid Bragg Financial Advisors, Inc $30,082,414 0.76% 1,451,854
Large NEW YORK STATE COMMON RETIREMENT FUND Pension $28,981,416 0.73% 1,398,717
Large JONES FINANCIAL COMPANIES LLLP $28,614,941 0.72% 1,381,030
Mid Perpetual Ltd $27,513,715 0.69% 1,327,882
Mega VANGUARD FIDUCIARY TRUST CO Bank $26,285,682 0.66% 1,268,614
Mega NEUBERGER BERMAN GROUP LLC $25,416,540 0.64% 1,226,667
Mega GOLDMAN SACHS GROUP INC $22,861,037 0.58% 1,103,332
Mega CITADEL ADVISORS LLC $22,684,442 0.57% 1,094,809
Small MANAGED ASSET PORTFOLIOS, LLC $21,495,052 0.54% 1,037,406
Mega PRINCIPAL FINANCIAL GROUP INC $20,519,533 0.52% 990,325
Large RENAISSANCE TECHNOLOGIES LLC $19,266,367 0.49% 929,844
Mega MASSACHUSETTS FINANCIAL SERVICES CO /MA/ $17,690,466 0.45% 853,787
Mega WELLS FARGO & COMPANY/MN $17,522,591 0.44% 845,685
Mega Legal & General Group Plc $16,892,620 0.43% 815,281
Large HRT FINANCIAL LP $15,249,712 0.38% 735,990
Large Public Sector Pension Investment Board Pension $15,150,401 0.38% 731,197
Large Quantinno Capital Management LP $13,520,836 0.34% 652,550
Large LOOMIS SAYLES & CO L P $13,501,586 0.34% 651,621
Mega VICTORY CAPITAL MANAGEMENT INC $13,252,864 0.33% 639,617
Mega FRANKLIN RESOURCES INC $12,229,461 0.31% 590,225
Mega JPMORGAN CHASE & CO $11,579,038 0.29% 558,834
Mid NEEDHAM INVESTMENT MANAGEMENT LLC $11,551,400 0.29% 557,500
Mid Yaupon Capital Management LP $11,355,078 0.29% 548,025
Mega ENVESTNET ASSET MANAGEMENT INC $10,914,943 0.28% 526,783
Large Gotham Asset Management, LLC $10,440,331 0.26% 503,877
Large ADAGE CAPITAL PARTNERS GP, L.L.C. $10,360,000 0.26% 500,000
Mega RHUMBLINE ADVISERS $10,092,090 0.25% 487,070
Mega TWO SIGMA INVESTMENTS, LP $9,998,974 0.25% 482,576
Mega UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC $9,835,803 0.25% 474,701
Mega RAYMOND JAMES FINANCIAL INC $9,792,126 0.25% 472,593
Mega D. E. Shaw & Co., Inc. $9,750,583 0.25% 470,588
Mega California Public Employees Retirement System Pension $8,682,757 0.22% 419,052
Large GABELLI FUNDS LLC $8,199,442 0.21% 395,726
Mega DEUTSCHE BANK AG\ Bank $8,107,816 0.20% 391,304
Mega Swiss National Bank Bank $7,960,416 0.20% 384,190
Large Man Group plc $7,840,966 0.20% 378,425
Small JOHN G ULLMAN & ASSOCIATES INC $7,803,980 0.20% 376,640
Mega AMERIPRISE FINANCIAL INC $7,785,248 0.20% 375,736
Large COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS $7,523,473 0.19% 363,102
Small Hudson Value Partners, LLC $7,266,773 0.18% 350,713
Mega MILLENNIUM MANAGEMENT LLC $6,919,754 0.17% 333,965
Large STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM Pension $6,623,562 0.17% 319,670
Mega AMERICAN CENTURY COMPANIES INC $6,622,339 0.17% 319,611
Large M&T Bank Corp Bank $6,532,019 0.16% 315,252
Mega Nuveen, LLC $6,470,274 0.16% 312,272
Large Creative Planning $6,236,947 0.16% 301,011
Large Verition Fund Management LLC $6,216,000 0.16% 300,000
Mid Burkehill Global Management, LP $6,216,000 0.16% 300,000
Large FIFTH THIRD BANCORP Bank $5,997,818 0.15% 289,470
Large Russell Investments Group, Ltd. $5,977,530 0.15% 288,491
Large BESSEMER GROUP INC $5,909,052 0.15% 285,186
Large Balyasny Asset Management L.P. $5,905,033 0.15% 284,992
Mega ARROWSTREET CAPITAL, LIMITED PARTNERSHIP $5,816,269 0.15% 280,708
Mid Advisors Asset Management, Inc. $5,768,510 0.15% 278,403
Large CAPTRUST FINANCIAL ADVISORS $5,697,109 0.14% 274,957
Micro Angeles Investment Advisors, LLC $5,084,978 0.13% 245,414
Mid Aventail Capital Group, LP $5,032,784 0.13% 242,895
Large CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM Pension $4,885,216 0.12% 235,773
Large NEW YORK STATE TEACHERS RETIREMENT SYSTEM Pension $4,472,101 0.11% 215,835
Large PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO Pension $4,153,759 0.10% 200,471
Mid Covalis Capital LLP $4,144,000 0.10% 200,000
Mega PRICE T ROWE ASSOCIATES INC /MD/ $3,867,388 0.10% 186,650
Mid GAMCO INVESTORS, INC. ET AL $3,862,643 0.10% 186,421
Large PRUDENTIAL FINANCIAL INC $3,855,971 0.10% 186,099
Mid Campbell & CO Investment Adviser LLC $3,760,825 0.09% 181,507
Large STIFEL FINANCIAL CORP $3,736,064 0.09% 180,312
Mid HENNESSY ADVISORS INC $3,723,529 0.09% 179,707
Large CANADA LIFE ASSURANCE Co Insurance $3,560,255 0.09% 171,827
Large Squarepoint Ops LLC $3,523,518 0.09% 170,054
Mega LPL Financial LLC $3,522,835 0.09% 170,021
Large Baird Financial Group, Inc. $3,479,281 0.09% 167,919

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