Vault-13

MDU RES GROUP INC MDU

COM · Common Stock · CUSIP 552690109 · ISIN US5526901096

412 institutional holders +9 vs Q4 2022
147,846,372147.8m shares reported held*
72.6% of all shares outstanding*
$4.5bnreported value*
42 new 129 added 140 reduced 30 sold out net bought ≈ $84.5m (+2.7m shares)

* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once ($5.4m this quarter). Holder counts are more reliable. Shares outstanding: 203.6m as of 2023-04-27, from the company's own SEC filing; the percentage can still exceed 100%: lent-out shares are counted by the lender and the buyer, and some reports overlap without saying so. Implied quarter-end price ≈ $30.51. Options: 6 managers hold calls ($2.8m notional), 3 hold puts ($246.9k).

Trends to Q1 2023

Institutional holders

Managers reporting a position, each quarter

0200400600Q3 22: 377Q4 22: 403Q1 23: 412412Q3 22Q4 22Q1 23
Numbers
QuarterHolders
Q3 2022377
Q4 2022403
Q1 2023412

Buyers vs sellers

Managers adding to or starting a position, vs cutting or selling out

Bought or addedCut or sold out
2000200Q4 22: 160 bought or addedQ4 22: 162 cut or sold outQ4 22Q1 23: 171 bought or addedQ1 23: 170 cut or sold outQ1 23
Numbers
QuarterBought or addedCut or sold out
Q4 2022160162
Q1 2023171170

Calls vs puts

Options held, notional value, last 4 quarters. P/C = puts ÷ calls

CallsPuts
$0$1m$2m$3m$4mQ3 22 calls: $3.7mQ3 22 puts: $193.0kQ3 22P/C 0.05Q4 22 calls: $3.7mQ4 22 puts: $78.3kQ4 22P/C 0.02Q1 23 calls: $2.8mQ1 23 puts: $246.9kQ1 23P/C 0.09
Numbers
QuarterCallsPutsP/C
Q3 2022$3.7m$193.0k0.05
Q4 2022$3.7m$78.3k0.02
Q1 2023$2.8m$246.9k0.09

Biggest buyers

FMR LLC Added +4,119,426+4.1m
ADAGE CAPITAL PARTNERS GP, L.L.C. New +1,050,000+1.1m
Allspring Global Investments Holdings, LLC Added +487,134+487.1k
NORGES BANK Added +419,214+419.2k
Crestline Management, L.P. New +347,423+347.4k
SASCO CAPITAL INC / CT/ Added +343,386+343.4k
SCOPIA CAPITAL MANAGEMENT LP Added +332,237+332.2k
STRS OHIO Added +241,084+241.1k
VANGUARD GROUP INC Added +232,906+232.9k
Bragg Financial Advisors, Inc New +231,333+231.3k

Biggest sellers

GOLDMAN SACHS GROUP INC Reduced -1,330,930-1.3m
Owl Creek Asset Management, L.P. Sold out -1,066,069-1.1m
Invesco Ltd. Reduced -981,405-981.4k
STATE STREET CORP Reduced -644,008-644.0k
DEPRINCE RACE & ZOLLO INC Reduced -499,194-499.2k
DIMENSIONAL FUND ADVISORS LP Reduced -328,192-328.2k
Barry Investment Advisors, LLC Sold out -227,397-227.4k
VOLORIDGE INVESTMENT MANAGEMENT, LLC Sold out -212,573-212.6k
FRANKLIN RESOURCES INC Reduced -200,143-200.1k
Point72 Asset Management, L.P. Reduced -193,860-193.9k

Biggest calls

SUSQUEHANNA INTERNATIONAL GROUP, LLP Reduced $1.5m47.9k shares
CITADEL ADVISORS LLC Added $743.7k24.4k shares
SIMPLEX TRADING, LLC Reduced $323.0k10.6k shares
JANE STREET GROUP, LLC Reduced $265.2k8.7k shares
GROUP ONE TRADING LLC Reduced $51.8k1.7k shares
CONCOURSE FINANCIAL GROUP SECURITIES, INC. Unchanged $00 shares

Biggest puts

CITADEL ADVISORS LLC Added $231.6k7.6k shares
GROUP ONE TRADING LLC New $15.2k500 shares
CONCOURSE FINANCIAL GROUP SECURITIES, INC. Unchanged $00 shares

Options at notional value: the value of the shares the contracts control, as filers report them, not what the options cost. Not included in the holders, shares or buying above.

Major shareholders (over 5%)

Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.

HolderStakeChangeShares Last filed
BARROW HANLEY MEWHINNEY & STRAUSS LLC 13G · institution -0.4 pts · filed 2026-08-12 6.3% -0.4 pts 13.1m≈ $276.9m 2026-08-12
VANGUARD PORTFOLIO MANAGEMENT LLC 13G · institution new · filed 2026-04-29 6.1% new 12.6m≈ $266.2m 2026-04-29
VANGUARD CAPITAL MANAGEMENT LLC 13G · institution new · filed 2026-04-30 5.3% new 10.8m≈ $228.4m 2026-04-30
DIMENSIONAL FUND ADVISORS LP 13G · institution +0.1 pts · filed 2026-10-08 5.1% +0.1 pts 10.7m≈ $226.5m 2026-10-08

Fell to 5% or below in the last year: VANGUARD GROUP INC (0.0%, 2026-03-27; now reported by VANGUARD PORTFOLIO MANAGEMENT LLC)

Insider purchases and sales in Q1 2023

Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.

None reported in Q1 2023.

Holders, Q1 2023

#ManagerLocationShares Value% of their portfolioChangeShares change
1 VANGUARD GROUP INC 0.02% of their portfolio Valley Forge, PA 22,254,20622.3m $678.3m $678.3m 0.02% Added +232.9k +232,906
2 BlackRock Inc. 0.02% of their portfolio New York, NY 18,820,11618.8m $573.6m $573.6m 0.02% Reduced -7.5k -7,539
3 STATE STREET CORP 0.03% of their portfolio BOSTON, MA 15,572,23215.6m $478.1m $478.1m 0.03% Reduced -644.0k -644,008
4 Corvex Management LP 18.58% of their portfolio NEW YORK, NY 10,147,04110.1m $309.3m $309.3m 18.58% Unchanged
5 FMR LLC 0.01% of their portfolio BOSTON, MA 6,603,6106.6m $201.3m $201.3m 0.01% Added +4.1m +4,119,426
6 DIMENSIONAL FUND ADVISORS LP 0.05% of their portfolio AUSTIN, TX 4,927,3864.9m $150.2m $150.2m 0.05% Reduced -328.2k -328,192
7 FRANKLIN RESOURCES INC 0.06% of their portfolio San Mateo, CA 4,206,6374.2m $128.2m $128.2m 0.06% Reduced -200.1k -200,143
8 BARROW HANLEY MEWHINNEY & STRAUSS LLC 0.39% of their portfolio DALLAS, TX 3,306,3953.3m $100.8m $100.8m 0.39% Added +92.0k +92,011
9 GEODE CAPITAL MANAGEMENT, LLC 0.01% of their portfolio BOSTON, MA 3,048,5733.0m $92.9m $92.9m 0.01% Added +78.3k +78,311
10 Bank of New York Mellon Corp 0.02% of their portfolio NEW YORK, NY 2,961,0823.0m $90.3m $90.3m 0.02% Reduced -4.4k -4,417
11 59 North Capital Management, LP 12.16% of their portfolio Houston, TX 2,726,3712.7m $83.1m $83.1m 12.16% Added +190.2k +190,183
12 NORGES BANK 0.02% of their portfolio OSLO, Q8 2,442,4452.4m $74.4m $74.4m 0.02% Added +419.2k +419,214
13 River Road Asset Management, LLC 0.80% of their portfolio LOUISVILLE, KY 1,926,1381.9m $58.7m $58.7m 0.80% Added +7.2k +7,178
14 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.02% of their portfolio SAN FRANCISCO, CA 1,888,0091.9m $57.5m $57.5m 0.02% Reduced -4.8k -4,782
15 MORGAN STANLEY 0.01% of their portfolio NEW YORK, NY 1,723,1591.7m $52.5m $52.5m 0.01% Reduced -93.4k -93,400
16 US BANCORP \DE\ 0.09% of their portfolio MINNEAPOLIS, MN 1,715,4351.7m $52.3m $52.3m 0.09% Added +10.5k +10,491
17 NORTHERN TRUST CORP 0.01% of their portfolio CHICAGO, IL 1,491,5661.5m $45.5m $45.5m 0.01% Reduced -5.0k -4,990
18 OLD REPUBLIC INTERNATIONAL CORP 1.41% of their portfolio CHICAGO, IL 1,445,0001.4m $44.0m $44.0m 1.41% Unchanged
19 FRONTIER CAPITAL MANAGEMENT CO LLC 0.43% of their portfolio Boston, MA 1,351,6621.4m $41.2m $41.2m 0.43% Reduced -35.4k -35,358
20 SCOPIA CAPITAL MANAGEMENT LP 4.06% of their portfolio NEW YORK, NY 1,284,1511.3m $39.1m $39.1m 4.06% Added +332.2k +332,237
21 ProShare Advisors LLC 0.10% of their portfolio BETHESDA, MD 1,120,1521.1m $34.1m $34.1m 0.10% Reduced -81.8k -81,837
22 Invesco Ltd. 0.01% of their portfolio ATLANTA, GA 1,063,2661.1m $32.4m $32.4m 0.01% Reduced -981.4k -981,405
23 ADAGE CAPITAL PARTNERS GP, L.L.C. 0.07% of their portfolio Boston, MA 1,050,0001.1m $32.0m $32.0m 0.07% New
24 MILLENNIUM MANAGEMENT LLC 0.03% of their portfolio NEW YORK, NY 939,329939.3k $28.6m $28.6m 0.03% Reduced -58.6k -58,605
25 Mirae Asset Global Investments Co., Ltd. 0.06% of their portfolio SEOUL, M5 904,985905.0k $27.6m $27.6m 0.06% Added +79.8k +79,771
26 SASCO CAPITAL INC / CT/ 3.26% of their portfolio FAIRFIELD, CT 870,151870.2k $26.5m $26.5m 3.26% Added +343.4k +343,386
27 FIRST TRUST ADVISORS LP 0.03% of their portfolio Wheaton, IL 820,817820.8k $25.0m $25.0m 0.03% Added +95.4k +95,415
28 PRINCIPAL FINANCIAL GROUP INC 0.02% of their portfolio DES MOINES, IA 804,598804.6k $24.5m $24.5m 0.02% Added +7.3k +7,285
29 DEPRINCE RACE & ZOLLO INC 0.56% of their portfolio Winter Park, FL 789,791789.8k $24.1m $24.1m 0.56% Reduced -499.2k -499,194
30 PZENA INVESTMENT MANAGEMENT LLC 0.10% of their portfolio NEW YORK, NY 781,895781.9k $23.8m $23.8m 0.10% Unchanged
31 AMERIPRISE FINANCIAL INC 0.01% of their portfolio MINNEAPOLIS, MN 726,882726.9k $22.2m $22.2m 0.01% Reduced -26.0k -26,014
32 NEUBERGER BERMAN GROUP LLC 0.02% of their portfolio NEW YORK, NY 718,632718.6k $21.9m $21.9m 0.02% Added +182.8k +182,750
33 JPMORGAN CHASE & CO 0.00% of their portfolio NEW YORK, NY 635,194635.2k $19.4m $19.4m 0.00% Added +51.4k +51,388
34 RHUMBLINE ADVISERS 0.02% of their portfolio BOSTON, MA 608,644608.6k $18.6m $18.6m 0.02% Reduced -7.0k -7,004
35 MANAGED ASSET PORTFOLIOS, LLC 2.67% of their portfolio ROCHESTER, MI 577,367577.4k $17.6m $17.6m 2.67% Reduced -210 -210
36 DAVIDSON INVESTMENT ADVISORS 1.11% of their portfolio GREAT FALLS, MT 554,035554.0k $16.9m $16.9m 1.11% Added +11.8k +11,841
37 Nuveen Asset Management, LLC 0.01% of their portfolio CHICAGO, IL 550,804550.8k $16.8m $16.8m 0.01% Reduced -6.2k -6,233
38 BANK OF AMERICA CORP /DE/ 0.00% of their portfolio CHARLOTTE, NC 530,161530.2k $16.2m $16.2m 0.00% Added +50.5k +50,455
39 CITADEL ADVISORS LLC 0.02% of their portfolio MIAMI, FL 521,437521.4k $15.9m $15.9m 0.02% Reduced -87.7k -87,716
40 AQR CAPITAL MANAGEMENT LLC 0.03% of their portfolio Greenwich, CT 492,249492.2k $15.0m $15.0m 0.03% Added +106.7k +106,744
41 Allspring Global Investments Holdings, LLC 0.02% of their portfolio CHARLOTTE, NC 491,797491.8k $15.0m $15.0m 0.02% Added +487.1k +487,134
42 LOOMIS SAYLES & CO L P 0.03% of their portfolio BOSTON, MA 480,643480.6k $14.7m $14.7m 0.03% Reduced -30.6k -30,629
43 Legal & General Group Plc 0.01% of their portfolio London, X0 477,009477.0k $14.5m $14.5m 0.01% Added +3.9k +3,880
44 LSV ASSET MANAGEMENT 0.03% of their portfolio CHICAGO, IL 470,000470.0k $14.3m $14.3m 0.03% Reduced -23.5k -23,460
45 Angeles Investment Advisors, LLC 1.11% of their portfolio SANTA MONICA, CA 441,420441.4k $13.5m $13.5m 1.11% Unchanged
46 Swiss National Bank 0.01% of their portfolio ZURICH, V8 438,890438.9k $13.4m $13.4m 0.01% Reduced -52.1k -52,100
47 MACQUARIE GROUP LTD 0.02% of their portfolio Sydney, NSW 2000, C3 437,750437.8k $13.3m $13.3m 0.02% Reduced -6.3k -6,350
48 California Public Employees Retirement System 0.01% of their portfolio Sacramento, CA 413,705413.7k $12.6m $12.6m 0.01% Reduced -66.0k -65,988
49 JOHN G ULLMAN & ASSOCIATES INC 1.94% of their portfolio CORNING, NY 409,201409.2k $12.5m $12.5m 1.94% Reduced -2.9k -2,860
50 HEARTLAND ADVISORS INC 0.75% of their portfolio MILWAUKEE, WI 400,000400.0k $12.2m $12.2m 0.75% Unchanged
51 UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.01% of their portfolio NEW YORK, NY 389,745389.7k $11.9m $11.9m 0.01% Added +7.6k +7,564
52 WELLS FARGO & COMPANY/MN 0.00% of their portfolio SAN FRANCISCO, CA 368,985369.0k $11.2m $11.2m 0.00% Reduced -6.1k -6,105
53 BANK OF NOVA SCOTIA 0.03% of their portfolio TORONTO, A6 364,612364.6k $11.1m $11.1m 0.03% Added +10.2k +10,236
54 Crestline Management, L.P. 1.29% of their portfolio FORT WORTH, TX 347,423347.4k $10.6m $10.6m 1.29% New
55 STRS OHIO 0.02% of their portfolio COLUMBUS, OH 340,119340.1k $10.4m $10.4m 0.02% Added +241.1k +241,084
56 M&T Bank Corp 0.04% of their portfolio BUFFALO, NY 321,291321.3k $9.8m $9.8m 0.04% Added +400 +400
57 AMERICAN INTERNATIONAL GROUP, INC. 0.06% of their portfolio New York, NY 313,754313.8k $9.6m $9.6m 0.06% Reduced -2.9k -2,938
58 Assenagon Asset Management S.A. 0.04% of their portfolio SENNINGERBERG, N4 312,796312.8k $9.5m $9.5m 0.04% Reduced -42.7k -42,723
59 ALLIANCEBERNSTEIN L.P. 0.00% of their portfolio NASHVILLE, TN 294,464294.5k $9.0m $9.0m 0.00% Reduced -4.8k -4,784
60 Russell Investments Group, Ltd. 0.02% of their portfolio Seattle, WA 291,967292.0k $8.9m $8.9m 0.02% Reduced -189.8k -189,832
61 GUGGENHEIM CAPITAL LLC 0.07% of their portfolio CHICAGO, IL 280,400280.4k $8.5m $8.5m 0.07% Reduced -8.4k -8,437
62 STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM 0.02% of their portfolio TALLAHASSEE, FL 280,244280.2k $8.5m $8.5m 0.02% Unchanged
63 13D Management LLC 4.31% of their portfolio New York, NY 278,400278.4k $8.5m $8.5m 4.31% Added +63.0k +63,000
64 Greenland Capital Management LP 1.01% of their portfolio NEW YORK, NY 277,946277.9k $8.5m $8.5m 1.01% Reduced -6.5k -6,506
65 GOLDMAN SACHS GROUP INC 0.00% of their portfolio NEW YORK, NY 274,188274.2k $8.4m $8.4m 0.00% Reduced -1.3m -1,330,930
66 BRIDGER MANAGEMENT, LLC 3.09% of their portfolio NEW YORK, NY 272,800272.8k $8.3m $8.3m 3.09% Unchanged
67 CAPTRUST FINANCIAL ADVISORS 0.04% of their portfolio RALEIGH, NC 268,435268.4k $8.2m $8.2m 0.04% Reduced -16.6k -16,586
68 Retirement Systems of Alabama 0.04% of their portfolio MONTGOMERY, AL 265,702265.7k $8.1m $8.1m 0.04% Reduced -2.3k -2,320
69 NEW YORK STATE TEACHERS RETIREMENT SYSTEM 0.02% of their portfolio ALBANY, NY 265,222265.2k $8.1m $8.1m 0.02% Reduced -10.9k -10,922
70 Baird Financial Group, Inc. 0.02% of their portfolio MILWAUKEE, WI 262,745262.7k $8.0m $8.0m 0.02% Added +48.4k +48,431
71 CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.01% of their portfolio WEST SACRAMENTO, CA 255,927255.9k $7.8m $7.8m 0.01% Reduced -3.9k -3,860
72 Stockman Wealth Management, Inc. 1.66% of their portfolio BILLINGS, MT 243,450243.4k $7.4m $7.4m 1.66% Added +1.4k +1,377
73 RAYMOND JAMES & ASSOCIATES 0.01% of their portfolio ST PETERSBURG, FL 239,530239.5k $7.3m $7.3m 0.01% Reduced -5.9k -5,898
74 CREDIT SUISSE AG/ 0.01% of their portfolio ZURICH, V8 238,992239.0k $7.3m $7.3m 0.01% Added +23.0k +23,026
75 Bragg Financial Advisors, Inc 0.42% of their portfolio CHARLOTTE, NC 231,333231.3k $7.1m $7.1m 0.42% New
76 SUSQUEHANNA FUNDAMENTAL INVESTMENTS, LLC 0.16% of their portfolio BALA CYNWYD, PA 229,577229.6k $7.0m $7.0m 0.16% Unchanged
77 FIRST MANHATTAN CO. LLC. 0.03% of their portfolio NEW YORK, NY 222,134222.1k $6.8m $6.8m 0.03% Reduced -72.8k -72,825
78 PRELUDE CAPITAL MANAGEMENT, LLC 0.40% of their portfolio NEW YORK, NY 193,207193.2k $5.9m $5.9m 0.40% Added +88.3k +88,295
79 Financial Engines Advisors L.L.C. 0.02% of their portfolio SANTA CLARA, CA 191,979192.0k $5.9m $5.9m 0.02% New
80 NEW YORK STATE COMMON RETIREMENT FUND 0.01% of their portfolio ALBANY, NY 186,844186.8k $5.7m $5.7m 0.01% Reduced -23.0k -22,977
81 ARROWSTREET CAPITAL, LIMITED PARTNERSHIP 0.01% of their portfolio BOSTON, MA 184,560184.6k $5.6m $5.6m 0.01% New
82 Ancora Advisors LLC 0.16% of their portfolio Cleveland, OH 184,116184.1k $5.6m $5.6m 0.16% Added +12.9k +12,900
83 TEXAS PERMANENT SCHOOL FUND CORP 0.06% of their portfolio AUSTIN, TX 182,366182.4k $5.6m $5.6m 0.06% Added +45.7k +45,655
84 KENNEDY CAPITAL MANAGEMENT LLC 0.16% of their portfolio ST LOUIS, MO 175,864175.9k $5.4m $5.4m 0.16% Reduced -2.1k -2,082
85 MANUFACTURERS LIFE INSURANCE COMPANY, THE 0.00% of their portfolio Toronto, A6 175,567175.6k $5.4m $5.4m 0.00% Reduced -6.2k -6,167
86 UBS Group AG 0.00% of their portfolio ZURICH, V8 175,537175.5k $5.4m $5.4m 0.00% Added +39.0k +38,990
87 ALGERT GLOBAL LLC 0.25% of their portfolio SAN FRANCISCO, CA 175,264175.3k $5.3m $5.3m 0.25% Added +79.6k +79,554
88 HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND 0.03% of their portfolio TORONTO, A6 175,190175.2k $5.3m $5.3m 0.03% Added +16.4k +16,390
89 MUTUAL OF AMERICA CAPITAL MANAGEMENT LLC 0.06% of their portfolio New York, NY 163,595163.6k $5.0m $5.0m 0.06% Reduced -3.4k -3,435
90 TWO SIGMA INVESTMENTS, LP 0.01% of their portfolio NEW YORK, NY 157,689157.7k $4.8m $4.8m 0.01% New
91 HENNESSY ADVISORS INC 0.35% of their portfolio NOVATO, CA 155,607155.6k $4.7m $4.7m 0.35% Unchanged
92 Cladis Investment Advisory, LLC 2.24% of their portfolio BILLINGS, MT 152,892152.9k $4.7m $4.7m 2.24% Reduced -698 -698
93 CANADA LIFE ASSURANCE Co 0.01% of their portfolio WINNIPEG, A2 151,797151.8k $4.6m $4.6m 0.01% Reduced -2.2k -2,240
94 Keeley-Teton Advisors, LLC 0.53% of their portfolio Chicago, IL 140,361140.4k $4.3m $4.3m 0.53% Added +7.0k +6,972
95 COMMONWEALTH EQUITY SERVICES, LLC 0.01% of their portfolio WALTHAM, MA 139,789139.8k $4.3m $4.3m 0.01% Added +2.8k +2,815
96 AMALGAMATED BANK 0.04% of their portfolio NEW YORK, NY 139,673139.7k $4.3m $4.3m 0.04% Reduced -37.8k -37,834
97 J.P. Morgan Private Wealth Advisors LLC 0.01% of their portfolio SAN FRANCISCO, CA 136,100136.1k $4.1m $4.1m 0.01% Added +6.8k +6,784
98 RENAISSANCE TECHNOLOGIES LLC 0.01% of their portfolio NEW YORK, NY 126,700126.7k $3.9m $3.9m 0.01% Reduced -44.3k -44,300
99 MetLife Investment Management, LLC 0.03% of their portfolio Whippany, NJ 124,668124.7k $3.8m $3.8m 0.03% Reduced -3.3k -3,336
100 D.A. DAVIDSON & CO. 0.04% of their portfolio GREAT FALLS, MT 123,061123.1k $3.8m $3.8m 0.04% Added +3.6k +3,613