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 Form 13F filings. 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 2015Mairs & Power Growth FundBuy207,8952,495,795$53,260
Q1 2015Parnassus Endeavor FundSell-183,9129,914,417$211,574
Q4 2014Parnassus Endeavor FundBuy1,826,33610,098,329$237,311
Q4 2014Mairs & Power Growth FundBuy137,6652,287,900$53,766
Q4 2014Renaissance Technologies LLCSell-110,100518,450$12,184
Q3 2014Parnassus Endeavor FundBuy1,851,3258,271,993$230,044
Q3 2014Mairs & Power Growth FundBuy554,7742,150,235$59,798
Q3 2014Renaissance Technologies LLCBuy111,300628,550$17,480
Q2 2014Parnassus Endeavor FundBuy156,4446,420,668$225,365
Q2 2014Renaissance Technologies LLCBuy34,462517,250$18,155
Q2 2014Sequoia Financial AdvisorsBuy3507,672$269
Q2 2014Mairs & Power Growth FundBuy2101,595,461$56,001
Q1 2014Parnassus Endeavor FundSell-362,8606,264,224$214,926
Q1 2014Mairs & Power Growth FundBuy322,3941,595,251$54,733
Q1 2014Renaissance Technologies LLCBuy307,138482,788$16,564
Q1 2014Sequoia Financial AdvisorsBuy7,3227,322$251
Q4 2013Parnassus Endeavor FundSell-576,9056,627,084$202,457
Q4 2013Mairs & Power Growth FundBuy359,0251,272,857$38,886
Q4 2013Renaissance Technologies LLCSell-49,300175,650$5,366
Q3 2013Mairs & Power Growth FundBuy447,310913,832$25,560
Q3 2013Parnassus Endeavor FundSell-442,3147,203,989$201,496
Q3 2013Renaissance Technologies LLCSell-131,200224,950$6,292
Q2 2013Parnassus Endeavor FundBuy7,646,3037,646,303$198,116
Q2 2013Mairs & Power Growth FundBuy466,522466,522$12,088
Q2 2013Renaissance Technologies LLCBuy356,150356,150$9,228

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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