There is a long list of 374 institutional holders of MDU within the last two holding periods in our database of 13F filers, so we've sorted through to present to you just the top 50 institutional holders of MDU by largest to smallest position reported in the institutional investor's latest 13F filing. In the institutional-holders-of-MDU table below, the initial column indicates the name of each top institutional holder of MDU, with a link to that fund's top holdings. The next columns indicate the amount of MDU stock held by each of the institutional holders of MDU, followed by the MDU position size held by the institution, and finally the date of the quarterly 13F filing period the holdings data represents for that institution.

Holder	Amount	Position Size ($ in 1000's)	As of
Vanguard Group Inc.	21,677,094	$592,868	09/30/2022
MDU	21,677,094	$592,868	09/30/2022
BlackRock Inc.	18,170,735	$496,971	09/30/2022
MDU	18,170,735	$496,971	09/30/2022
State Street Corp	16,831,291	$463,931	09/30/2022
MDU	16,831,291	$463,931	09/30/2022
Corvex Management LP	10,147,041	$277,522	09/30/2022
MDU	10,147,041	$277,522	09/30/2022
Dimensional Fund Advisors LP	5,105,706	$139,646	09/30/2022
MDU	5,105,706	$139,646	09/30/2022
Franklin Resources Inc.	4,408,470	$120,572	09/30/2022
MDU	4,408,470	$120,572	09/30/2022
Barrow Hanley Mewhinney & Strauss LLC	3,520,767	$96,293	09/30/2022
MDU	3,520,767	$96,293	09/30/2022
Bank of New York Mellon Corp	3,218,264	$88,019	09/30/2022
MDU	3,218,264	$88,019	09/30/2022
Geode Capital Management LLC	2,838,050	$77,620	09/30/2022
MDU	2,838,050	$77,620	09/30/2022
LSV Asset Management	2,354,795	$64,404	09/30/2022
MDU	2,354,795	$64,404	09/30/2022
River Road Asset Management LLC	1,918,960	$58,221	12/31/2022
MDU	1,918,960	$58,221	12/31/2022
FMR LLC	2,113,490	$57,805	09/30/2022
MDU	2,113,490	$57,805	09/30/2022
Electron Capital Partners LLC	2,041,478	$55,834	09/30/2022
MDU	2,041,478	$55,834	09/30/2022
59 North Capital Management LP	1,872,744	$51,220	09/30/2022
MDU	1,872,744	$51,220	09/30/2022
Charles Schwab Investment Management Inc.	1,836,537	$50,230	09/30/2022
MDU	1,836,537	$50,230	09/30/2022
US Bancorp DE	1,756,929	$48,052	09/30/2022
MDU	1,756,929	$48,052	09/30/2022
Invesco Ltd.	1,681,764	$45,996	09/30/2022
MDU	1,681,764	$45,996	09/30/2022
Goldman Sachs Group Inc.	1,658,761	$45,367	09/30/2022
MDU	1,658,761	$45,367	09/30/2022
Northern Trust Corp	1,629,365	$44,563	09/30/2022
MDU	1,629,365	$44,563	09/30/2022
Deprince Race & Zollo Inc.	1,618,910	$44,277	09/30/2022
MDU	1,618,910	$44,277	09/30/2022
OLD Republic International Corporation	1,479,500	$40,464	09/30/2022
MDU	1,479,500	$40,464	09/30/2022
Morgan Stanley	1,460,465	$39,944	09/30/2022
MDU	1,460,465	$39,944	09/30/2022
Frontier Capital Management Co. LLC	1,424,924	$38,972	09/30/2022
MDU	1,424,924	$38,972	09/30/2022
ProShare Advisors LLC	1,201,989	$36,468	12/31/2022
MDU	1,201,989	$36,468	12/31/2022
Scopia Capital Management LP	979,285	$26,783	09/30/2022
MDU	979,285	$26,783	09/30/2022
First Trust Advisors LP	890,749	$24,362	09/30/2022
MDU	890,749	$24,362	09/30/2022
Pzena Investment Management LLC	781,895	$23,723	12/31/2022
MDU	781,895	$23,723	12/31/2022
Mirae Asset Global Investments Co. Ltd.	850,529	$23,262	09/30/2022
MDU	850,529	$23,262	09/30/2022
Principal Financial Group Inc.	792,573	$21,677	09/30/2022
MDU	792,573	$21,677	09/30/2022
Ameriprise Financial Inc.	773,327	$21,155	09/30/2022
MDU	773,327	$21,155	09/30/2022
Russell Investments Group Ltd.	612,046	$16,736	09/30/2022
MDU	612,046	$16,736	09/30/2022
Davidson Investment Advisors	542,194	$16,450	12/31/2022
MDU	542,194	$16,450	12/31/2022
Rhumbline Advisers	594,902	$16,271	09/30/2022
MDU	594,902	$16,271	09/30/2022
Managed Asset Portfolios LLC	573,799	$15,693	09/30/2022
MDU	573,799	$15,693	09/30/2022
Loomis Sayles & Co. L P	532,662	$14,568	09/30/2022
MDU	532,662	$14,568	09/30/2022
Nuveen Asset Management LLC	530,055	$14,497	09/30/2022
MDU	530,055	$14,497	09/30/2022
JPMorgan Chase & Co.	527,387	$14,424	09/30/2022
MDU	527,387	$14,424	09/30/2022
Neuberger Berman Group LLC	521,564	$14,265	09/30/2022
MDU	521,564	$14,265	09/30/2022
Swiss National Bank	482,190	$13,188	09/30/2022
MDU	482,190	$13,188	09/30/2022
AQR Capital Management LLC	478,387	$13,084	09/30/2022
MDU	478,387	$13,084	09/30/2022
California Public Employees Retirement System	478,263	$13,080	09/30/2022
MDU	478,263	$13,080	09/30/2022
Macquarie Group Ltd.	456,362	$12,574	09/30/2022
MDU	456,362	$12,574	09/30/2022
Bank of America Corp DE	448,986	$12,281	09/30/2022
MDU	448,986	$12,281	09/30/2022
Angeles Investment Advisors LLC	441,420	$12,073	09/30/2022
MDU	441,420	$12,073	09/30/2022
Legal & General Group Plc	438,115	$11,983	09/30/2022
MDU	438,115	$11,983	09/30/2022
John G Ullman & Associates Inc.	416,029	$11,378	09/30/2022
MDU	416,029	$11,378	09/30/2022
Heartland Advisors Inc.	402,000	$10,995	09/30/2022
MDU	402,000	$10,995	09/30/2022
Assenagon Asset Management S.A.	355,519	$10,786	12/31/2022
MDU	355,519	$10,786	12/31/2022
Citadel Advisors LLC		$10,526	09/30/2022
MDU	369,244	$10,099	09/30/2022
Call	15,600	$427	09/30/2022
UBS Asset Management Americas Inc.	375,469	$10,269	09/30/2022
MDU	375,469	$10,269	09/30/2022