Mdu Resources Group Inc (MDU) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

205,285,000Shares Outstanding

194,732,352Shares held by institutions

$4,171,166,980Value of institutional holdings

94.86%Institutional ownership %

23.47%Shares Changed QoQ

402No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

Mdu Resources Group Inc (NYSE:MDU) appears in 401 institutional 13F filings for the quarter ending December 2025.

These investors collectively held 94.6% of Mdu Resources's outstanding shares in December 2025, up from 81.8% in September 2025.
They increased total shares held in Mdu Resources by 23.29% from the prior quarter, while the number of investors in MDU increased 1.78% year over year.
Of these 401 funds, 215 grew their exposure to Mdu Resources, 114 cut back, and 72 maintained positions.
Institutional investors collectively held 194.13Mn shares in Mdu Resources as of December 2025, up by 36.67Mn shares quarter on quarter, and up 19.97Mn shares year over year.
Hilltop National Bank is the top holder of Mdu Resources as of December 31, 2025, with 9.6K shares representing 0.0% of outstanding stock.
The most significant purchases of MDU for the quarter ending December 2025 came from Hilltop National Bank (478).
The largest sellers of Mdu Resources for the quarter ending December 2025 were Bangor Savings Bank (30).
Business Quant data shows the 4 biggest positions in Mdu Resources as of December 2025 are held by Hilltop National Bank (9.6K), Bangor Savings Bank (2.02K), ADIRONDACK TRUST CO (1.2K), Global Wealth Strategies & Associates (690).

402 Institutional Holders

194,732,352 Total Shares Held

Rows:

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Owner Name	Date	Shares Held	Change (QoQ)	Change (%)	Value (USD)
BlackRock, Inc.	31 Dec, 2025	26,226,381	440,688	1.71%	$511,938,957.00
VANGUARD GROUP INC	31 Dec, 2025	23,828,483	571,015	2.46%	$465,131,987.00
BARROW HANLEY MEWHINNEY & STRAUSS LLC	31 Dec, 2025	12,894,945	3,766,737	41.26%	$251,709,326.00
DIMENSIONAL FUND ADVISORS LP	31 Dec, 2025	10,031,797	267,700	2.74%	$195,823,975.00
EARNEST PARTNERS LLC	31 Dec, 2025	9,946,196	8,668,137	678.23%	$194,149,746.00
State Street Corp	31 Dec, 2025	7,121,385	281,025	4.11%	$139,990,530.00
Bank Of America Corp /De/	31 Dec, 2025	6,105,071	3,832,249	168.61%	$119,170,987.00
Sei Investments Co	31 Dec, 2025	5,323,908	4,285,831	412.86%	$103,922,688.00
River Road Asset Management, LLC	31 Dec, 2025	4,707,042	-582,940	-11.02%	$91,881,460.00
FIRST TRUST ADVISORS LP	31 Dec, 2025	4,436,521	4,262,042	2,442.72%	$86,600,889.00
Morgan Stanley	31 Dec, 2025	4,012,339	353,168	9.65%	$78,320,907.00
GEODE CAPITAL MANAGEMENT, LLC	31 Dec, 2025	3,415,233	21,460	0.63%	$66,686,741.00
T. Rowe Price Investment Management, Inc.	31 Dec, 2025	3,209,650	700,457	27.92%	$62,654.00
NORGES BANK	31 Dec, 2025	3,054,154	3,054,154	0.00%	$59,617,086.00
NOMURA ASSET MANAGEMENT INTERNATIONAL INC.	31 Dec, 2025	3,004,537	3,004,537	0.00%	$58,649,000.00
FRONTIER CAPITAL MANAGEMENT CO LLC	31 Dec, 2025	2,615,969	-376,007	-12.57%	$51,063,715.00
Bank of New York Mellon Corp	31 Dec, 2025	2,441,941	-150,402	-5.80%	$47,666,691.00
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	31 Dec, 2025	2,207,523	220,158	11.08%	$43,090,849.00
Invesco Ltd.	31 Dec, 2025	1,943,151	-28,351	-1.44%	$37,930,307.00
Westwood Holdings Group Inc	31 Dec, 2025	1,752,574	1,752,574	0.00%	$34,210,244.00

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