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.
| Institution | Type | Change in shares | Change Position % | Shares | Reported stock balance | Portfolio quarter | Filing date |
|---|---|---|---|---|---|---|---|
| Anchor Investment Management, Llc | Sell | -3,000 | -53.6% | 2,600 | $55.15K | Q2 2026 | Sep 15, 2026 |
| Manufacturers Life Insurance Company, The | Buy | +13,161 | +29.1% | 58,341 | $1.24M | Q2 2026 | Sep 09, 2026 |
| Citadel Advisors Llc | Buy | +814,892 | +74.4% | 1,909,701 | $40.50M | Q2 2026 | Sep 02, 2026 |
| Corient Private Wealth Llc | Buy | +13,776 | +25.4% | 68,062 | $1.44M | Q2 2026 | Aug 27, 2026 |
| California State Teachers Retirement System | Sell | -11,719 | -5.0% | 224,054 | $4.75M | Q2 2026 | Aug 24, 2026 |
| Mercer Global Advisors Inc | Buy | +1,754 | +6.0% | 31,048 | $658.53K | Q2 2026 | Aug 19, 2026 |
| Caitlin John, Llc | Buy | +9,997 | — | 9,997 | $212.04K | Q2 2026 | Aug 17, 2026 |
| Public Employees Retirement System Of Ohio | Sell | -792 | -0.4% | 199,679 | $4.24M | Q2 2026 | Aug 17, 2026 |
| Transamerica Financial Advisors, Llc | Buy | +20 | +24.4% | 102 | $2.18K | Q2 2026 | Aug 17, 2026 |
| Nomura Asset Management International Inc. | Sell | -2,179,447 | -84.0% | 416,554 | $8.84M | Q2 2026 | Aug 14, 2026 |
| Invesco Ltd. | Buy | +2,047,618 | — | 2,047,618 | $43.43M | Q2 2026 | Aug 14, 2026 |
| Hite Hedge Asset Management Llc | Buy | +1,587,305 | +102.4% | 3,137,305 | $66.54M | Q2 2026 | Aug 14, 2026 |
| Frontier Capital Management Co Llc | Sell | -518,883 | -20.7% | 1,987,666 | $42.16M | Q2 2026 | Aug 14, 2026 |
| T. Rowe Price Investment Management, Inc. | Buy | +434,249 | +20.1% | 2,592,793 | $54.99M | Q2 2026 | Aug 14, 2026 |
| Two Sigma Investments, Lp | Buy | +415,932 | +86.2% | 898,508 | $19.06M | Q2 2026 | Aug 14, 2026 |
| Ameriprise Financial Inc | Buy | +380,367 | — | 380,367 | $8.07M | Q2 2026 | Aug 14, 2026 |
| Westwood Holdings Group Inc | Sell | -320,137 | -9.0% | 3,221,909 | $68.34M | Q2 2026 | Aug 14, 2026 |
| Millennium Management Llc | Buy | +290,833 | +87.1% | 624,798 | $13.25M | Q2 2026 | Aug 14, 2026 |
| Legal & General Group Plc | Buy | +286,912 | +35.2% | 1,102,193 | $23.38M | Q2 2026 | Aug 14, 2026 |
| Gotham Asset Management, Llc | Buy | +222,784 | +44.2% | 726,661 | $15.41M | Q2 2026 | Aug 14, 2026 |
| Vennlight Capital Management, Lp | Buy | +184,163 | — | 184,163 | $3.91M | Q2 2026 | Aug 14, 2026 |
| Lighthouse Investment Partners, Llc | Buy | +162,193 | +875.0% | 180,730 | $3.83M | Q2 2026 | Aug 14, 2026 |
| Ilex Capital Partners (Uk) Llp | Buy | +160,583 | — | 160,583 | $3.41M | Q2 2026 | Aug 14, 2026 |
| Mirae Asset Global Etfs Holdings Ltd. | Buy | +152,895 | +8.5% | 1,954,573 | $41.46M | Q2 2026 | Aug 14, 2026 |
| Natixis Advisors, Llc | Sell | -143,773 | -8.5% | 1,548,165 | $32.84M | Q2 2026 | Aug 14, 2026 |
| Dark Forest Capital Management Lp | Buy | +126,557 | — | 126,557 | $2.68M | Q2 2026 | Aug 14, 2026 |
| Bank Of America Corp | Sell | -112,914 | -1.8% | 6,089,546 | $129.16M | Q2 2026 | Aug 14, 2026 |
| Jones Financial Companies Lllp | Buy | +109,156 | +7.9% | 1,490,186 | $32.60M | Q2 2026 | Aug 14, 2026 |
| Needham Investment Management Llc | Buy | +107,500 | +19.3% | 665,000 | $14.10M | Q2 2026 | Aug 14, 2026 |
| Xtx Topco Ltd | Buy | +98,520 | — | 98,520 | $2.09M | Q2 2026 | Aug 14, 2026 |
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.
Related MDU Institutional Insights
- MDU Overview
- MDU 13F Institutional Holders
- MDU Top Institutional Shareholders
- Industrials Sector Institutional Ownership
- Industrials Sector Portfolio Overlap
- Institutional Portfolio Overlap & Shared Holdings
- Most Bought Industrials Stocks By Institutional Investors
- Most Sold Industrials Stocks By Institutional Investors
- MDU Insider Trading & SEC Form 4 Activity
- MDU Articles
- Top Institutional Investor Stock Rankings