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MDU — MDU RES GROUP INC

Reported value held$2.02B
Funds holding (latest)47
SectorIndustrials
Funds holding (Q2 2026)35
Institutional value$1.40B · 66.12M sh
New / Add / Cut / Exit1 / 20 / 14 / 2
Top-5 / Top-10 concentration66.3% / 81.6%
Institutional holdings change Accumulating +9.0% (+5.43M sh)
Institutional value change Up +11.5%

As of Q2 2026, 35 SEC-registered investment managers reported holding MDU (MDU RES GROUP INC) in their latest 13F filings, with a combined reported value of $1.40B across 66.12M shares. That is +9.0% by share count (+5.43M shares) versus the previous quarter, while reported value moved +11.5%. Ownership is concentrated: the five largest holders account for 66.3% of reported value and the top ten for 81.6%.

Compared with the prior quarter, 1 opened new positions, 20 added to existing stakes, 14 trimmed, 2 exited entirely. 13F holdings are quarter-end snapshots, so these moves reflect positioning as of Q2 2026, not real-time trading.

MDU is classified in the Industrials sector.

All figures on this page are computed from SEC Form 13F quarterly filings. 13F filers disclose long positions of $100,000 or more within 45 days of quarter end; short positions, options overlays and intra-quarter trades are not included, so treat the numbers as a quarterly snapshot of institutional ownership rather than real-time positioning.

FundQuarterSharesValuePortfolio WeightChange
BlackRock Inc history Q2 2026 27.35M $580.13M 0.01% Add
Vanguard Group history Q4 2025 23.83M $465.13M 0.01% Add
Bank of America Corp history Q2 2026 6.09M $129.16M 0.01% Reduce
Morgan Stanley history Q2 2026 4.09M $86.68M 0.01% Reduce
Geode Capital Management history Q2 2026 3.55M $75.40M 0.00% Add
Corvex Management history Q3 2025 4.18M $74.50M 2.47% Hold
Norges Bank Investment Management history Q2 2026 2.63M $55.85M 0.01% Reduce
BNY Mellon history Q2 2026 2.33M $49.43M 0.01% Reduce
Charles Schwab Investment Management history Q2 2026 2.24M $47.43M 0.01% Reduce
Invesco Ltd history Q2 2026 2.05M $43.43M 0.00% Add
Citadel Advisors history Q2 2026 1.91M $40.50M 0.01% Add
Scopia Capital Management history Q1 2023 1.28M $39.14M 3.72% Add
Northern Trust Corp history Q2 2026 1.56M $33.17M 0.00% Add
Goldman Sachs Group history Q2 2026 1.18M $24.96M 0.00% Add
Legal & General Investment Management America history Q2 2026 1.10M $23.38M 0.01% Add
Principal Global Investors history Q2 2026 1.01M $21.38M 0.01% Add
UBS Group AG history Q2 2026 1.01M $21.34M 0.00% Reduce
Renaissance Technologies history Q2 2026 957.15K $20.30M 0.03% Add
Pzena Investment Management history Q1 2024 795.20K $20.04M 0.07% Hold
Two Sigma Investments history Q2 2026 898.51K $19.06M 0.01% Add

View all 47 fund holders →

New Positions (Q2 2026)

Fully Exited (vs previous quarter)

Fund Position History — shares by quarter (top 20 funds)

FundQ3 2021Q4 2021Q1 2022Q2 2022Q3 2022Q4 2022Q1 2023Q2 2023Q3 2023Q4 2023Q1 2024Q2 2024Q3 2024Q4 2024Q1 2025Q2 2025Q3 2025Q4 2025Q1 2026Q2 2026
BlackRock Inc — — — — — — — — — — — — 18.54M 26.58M 25.79M 25.02M 25.79M 26.23M 25.71M 27.35M
Bank of America Corp 507.15K 508.19K 593.44K 539.38K 448.99K 479.71K 530.16K 567.51K 799.47K 774.04K 939.35K 476.31K 531.47K 535.93K 609.87K 1.00M 1.14M 6.11M 6.20M 6.09M
Morgan Stanley 1.01M 927.13K 1.35M 1.34M 1.46M 1.82M 1.72M 2.24M 2.62M 2.63M 2.76M 3.03M 2.65M 3.48M 4.51M 3.58M 3.66M 4.01M 4.22M 4.09M
Geode Capital Management 3.28M 3.39M 2.63M 2.83M 2.84M 2.97M 3.05M 3.19M 3.28M 3.37M 3.55M 3.65M 3.72M 3.51M 3.42M 3.43M 3.39M 3.42M 3.49M 3.55M
Norges Bank Investment Management — — — — — 2.02M — — — 1.97M — 2.35M — 2.27M — 2.40M — 3.05M — 2.63M
BNY Mellon 3.05M 2.60M 2.52M 3.23M 3.22M 2.97M 2.96M 2.96M 2.82M 2.09M 1.96M 1.96M 1.79M 2.11M 2.02M 1.92M 2.59M 2.44M 2.36M 2.33M
Charles Schwab Investment Management 1.67M 1.72M 1.79M 1.78M 1.84M 1.89M 1.89M 1.89M 1.86M 1.92M 1.98M 1.98M 2.08M 2.18M 2.33M 2.46M 1.99M 2.21M 2.26M 2.24M
Invesco Ltd 1.22M 1.19M 1.85M 1.96M 1.68M 2.04M 1.06M 985.25K 1.30M 1.41M 1.88M 3.11M 3.16M 2.40M 3.12M 2.34M 1.97M 1.94M 1.88M 2.05M
Citadel Advisors 154.55K 83.48K 529.73K 789.67K 384.84K 628.35K 553.44K 428.01K 1.94M 1.60M 102.66K 23.60K 1.10M 290.37K 111.51K 282.45K 1.18M 1.72M 1.09M 1.91M
Northern Trust Corp 1.87M 1.57M 1.55M 1.65M 1.63M 1.50M 1.49M 1.43M 1.41M 1.44M 1.26M 1.40M 1.63M 1.58M 1.58M 1.51M 1.58M 1.49M 1.53M 1.56M
Goldman Sachs Group 946.70K 1.04M 571.51K 843.13K 1.66M 1.61M 274.19K 621.09K 447.61K 325.12K 243.35K 386.75K 355.81K 958.34K 502.80K 494.87K 1.27M 593.45K 1.10M 1.18M
Legal & General Investment Management America 422.43K 424.65K 432.63K 439.63K 438.12K 473.13K 477.01K 509.58K 503.44K 496.06K 481.00K 438.29K 449.57K 692.78K 690.67K 688.30K 971.21K 874.58K 815.28K 1.10M
Principal Global Investors 700.79K 692.02K 691.34K 800.42K 792.57K 797.31K 804.60K 764.53K 751.07K 747.57K 766.64K 678.90K 472.13K 988.01K 1.01M 1.01M 980.15K 970.64K 990.33K 1.01M
UBS Group AG 162.72K 182.95K 111.64K 95.05K 94.91K 136.55K 175.54K 93.45K 180.24K 158.70K 150.47K 152.79K 131.89K 789.92K 1.02M 1.06M 975.64K 1.56M 1.71M 1.01M
Renaissance Technologies 280.25K 520.55K 1.03M 613.65K 266.85K 171.00K 126.70K — 527.35K 46.95K — 26.53K — — 346.55K 185.80K 46.75K 313.05K 929.84K 957.15K
Two Sigma Investments — — 215.99K — 32.54K — 157.69K 327.26K 600.80K 965.83K 606.59K 470.34K 384.75K — — 120.47K 26.06K 199.11K 482.58K 898.51K
MFS Investment Management 42.71K — — — — — — — — — 1.08M 1.15M 1.12M 1.04M 1.01M 964.50K 931.32K 899.15K 853.79K 811.30K
Wells Fargo & Co 999.70K 691.24K 667.51K 380.96K 370.66K 375.09K 368.99K 358.52K 320.69K 334.81K 207.19K 188.54K 196.20K 160.35K 158.00K 284.66K 164.01K 818.50K 845.68K 808.79K
PSP Investments — — — — — — — — — — — — — 507.93K 646.58K 696.60K 796.98K 707.20K 731.20K 718.06K
Millennium Management 551.32K 1.84M 1.95M 133.52K 265.83K 997.93K 939.33K 2.08M 2.22M 1.35M 720.51K 240.80K 327.17K 661.88K 1.34M 1.07M 1.13M 353.56K 333.96K 624.80K

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