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 (Q2 2026). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions in the latest reporting period. Notable filers include Nomura Asset Management International Inc., Invesco Ltd., Hite Hedge Asset Management Llc, Citadel Advisors Llc, and Frontier Capital Management Co Llc.

InstitutionTypeChange in sharesChange Position %SharesReported stock balancePortfolio quarterFiling date
Anchor Investment Management, LlcSell-3,000-53.6%2,600$55.15KQ2 2026Sep 15, 2026
Manufacturers Life Insurance Company, TheBuy+13,161+29.1%58,341$1.24MQ2 2026Sep 09, 2026
Citadel Advisors LlcBuy+814,892+74.4%1,909,701$40.50MQ2 2026Sep 02, 2026
Corient Private Wealth LlcBuy+13,776+25.4%68,062$1.44MQ2 2026Aug 27, 2026
California State Teachers Retirement SystemSell-11,719-5.0%224,054$4.75MQ2 2026Aug 24, 2026
Mercer Global Advisors IncBuy+1,754+6.0%31,048$658.53KQ2 2026Aug 19, 2026
Caitlin John, LlcBuy+9,9979,997$212.04KQ2 2026Aug 17, 2026
Public Employees Retirement System Of OhioSell-792-0.4%199,679$4.24MQ2 2026Aug 17, 2026
Transamerica Financial Advisors, LlcBuy+20+24.4%102$2.18KQ2 2026Aug 17, 2026
Nomura Asset Management International Inc.Sell-2,179,447-84.0%416,554$8.84MQ2 2026Aug 14, 2026
Invesco Ltd.Buy+2,047,6182,047,618$43.43MQ2 2026Aug 14, 2026
Hite Hedge Asset Management LlcBuy+1,587,305+102.4%3,137,305$66.54MQ2 2026Aug 14, 2026
Frontier Capital Management Co LlcSell-518,883-20.7%1,987,666$42.16MQ2 2026Aug 14, 2026
T. Rowe Price Investment Management, Inc.Buy+434,249+20.1%2,592,793$54.99MQ2 2026Aug 14, 2026
Two Sigma Investments, LpBuy+415,932+86.2%898,508$19.06MQ2 2026Aug 14, 2026
Ameriprise Financial IncBuy+380,367380,367$8.07MQ2 2026Aug 14, 2026
Westwood Holdings Group IncSell-320,137-9.0%3,221,909$68.34MQ2 2026Aug 14, 2026
Millennium Management LlcBuy+290,833+87.1%624,798$13.25MQ2 2026Aug 14, 2026
Legal & General Group PlcBuy+286,912+35.2%1,102,193$23.38MQ2 2026Aug 14, 2026
Gotham Asset Management, LlcBuy+222,784+44.2%726,661$15.41MQ2 2026Aug 14, 2026
Vennlight Capital Management, LpBuy+184,163184,163$3.91MQ2 2026Aug 14, 2026
Lighthouse Investment Partners, LlcBuy+162,193+875.0%180,730$3.83MQ2 2026Aug 14, 2026
Ilex Capital Partners (Uk) LlpBuy+160,583160,583$3.41MQ2 2026Aug 14, 2026
Mirae Asset Global Etfs Holdings Ltd.Buy+152,895+8.5%1,954,573$41.46MQ2 2026Aug 14, 2026
Natixis Advisors, LlcSell-143,773-8.5%1,548,165$32.84MQ2 2026Aug 14, 2026
Dark Forest Capital Management LpBuy+126,557126,557$2.68MQ2 2026Aug 14, 2026
Bank Of America CorpSell-112,914-1.8%6,089,546$129.16MQ2 2026Aug 14, 2026
Jones Financial Companies LllpBuy+109,156+7.9%1,490,186$32.60MQ2 2026Aug 14, 2026
Needham Investment Management LlcBuy+107,500+19.3%665,000$14.10MQ2 2026Aug 14, 2026
Xtx Topco LtdBuy+98,52098,520$2.09MQ2 2026Aug 14, 2026
Showing 30 of 393

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.