MDU RESOURCES GROUP INC (MDU) Institutional Ownership Changes & 13F Activity

MDU RESOURCES GROUP INC (MDU) institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC 13F filings (Q1 2026). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions among tracked filers. Notable filers include Renaissance Technologies LLC, Sequoia Financial Advisors, Hancock Classic Value, Mairs & Power Growth Fund, and Parnassus Endeavor Fund.

Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q1 2026Renaissance Technologies LLCBuy616,794929,844$19,266,368
Q1 2026Sequoia Financial AdvisorsBuy2,94527,128$562,089
Q4 2025Renaissance Technologies LLCBuy266,300313,050$6,110,736
Q4 2025Sequoia Financial AdvisorsBuy8,20024,183$472,048
Q3 2025Renaissance Technologies LLCSell-139,05046,750$832,618
Q3 2025Sequoia Financial AdvisorsBuy8,31115,983$284,664
Q2 2025Renaissance Technologies LLCSell-160,750185,800$3,097,286
Q1 2025Renaissance Technologies LLCBuy320,023346,550$5,860,161
Q2 2024Renaissance Technologies LLCSell-20,42326,527$665,828
Q1 2024Hancock Classic ValueSell-135795,200$20,039,040
Q4 2023Renaissance Technologies LLCSell-480,40046,950$930
Q3 2023Renaissance Technologies LLCBuy400,650527,350$10,326
Q2 2023Hancock Classic ValueBuy13,440795,335$16,654,315
Q1 2023Renaissance Technologies LLCSell-44,300126,700$3,862
Q1 2023Mairs & Power Growth FundSell-1,1007,800$237,744
Q4 2022Renaissance Technologies LLCSell-95,850171,000$5,188
Q4 2022Mairs & Power Growth FundSell-2338,900$270,026
Q3 2022Hancock Classic ValueBuy781,895781,895$21,385
Q3 2022Renaissance Technologies LLCSell-346,800266,850$7,298
Q3 2022Mairs & Power Growth FundBuy1,2009,133$250
Q2 2022Renaissance Technologies LLCSell-416,800613,650$16,562
Q1 2022Renaissance Technologies LLCBuy509,9001,030,450$27,461
Q4 2021Renaissance Technologies LLCBuy240,300520,550$16,054
Q3 2021Renaissance Technologies LLCBuy230,100280,250$8,315
Q3 2021Mairs & Power Growth FundSell-12,0007,933$235
Q2 2021Renaissance Technologies LLCBuy8,45050,150$1,572
Q2 2021Mairs & Power Growth FundSell-3,42519,933$625
Q1 2021Parnassus Endeavor FundSell-800,7562,356,880$74,501
Q1 2021Mairs & Power Growth FundSell-10,18223,358$738
Q4 2020Renaissance Technologies LLCSell-363,85041,700$1,098

Frequently asked questions about MDU activity

  • Which institutional owners are buying MDU?

    Institutional owners buying MDU include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.

  • What does "buy" mean in MDU activity?

    "Buy" means an investor increased their reported position in MDU compared to the prior reporting period. This reflects growing exposure to MDU RESOURCES GROUP INC (MDU) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).

  • Is institutional interest in MDU increasing?

    Institutional interest in MDU can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.

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