Vault-13

MDU RES GROUP INC MDU

COM · Common Stock · CUSIP 552690109 · ISIN US5526901096

403 institutional holders +26 vs Q3 2022
145,201,652145.2m shares reported held*
71.4% of all shares outstanding*
$4.4bnreported value*
44 new 116 added 133 reduced 29 sold out net sold ≈ $31.5m (-1.0m 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 ($8.5m this quarter). Holder counts are more reliable. Shares outstanding: 203.4m as of 2022-10-27, 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 ≈ $30.35. Options: 6 managers hold calls ($3.7m notional), 3 hold puts ($78.3k).

Trends to Q4 2022

Institutional holders

Managers reporting a position, each quarter

0200400600Q3 22: 377Q4 22: 403403Q3 22Q4 22
Numbers
QuarterHolders
Q3 2022377
Q4 2022403

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 0.02
Numbers
QuarterCallsPutsP/C
Q3 2022$3.7m$193.0k0.05
Q4 2022$3.7m$78.3k0.02

Biggest buyers

Owl Creek Asset Management, L.P. Added +738,807+738.8k
MILLENNIUM MANAGEMENT LLC Added +732,104+732.1k
59 North Capital Management, LP Added +663,444+663.4k
BlackRock Inc. Added +656,920+656.9k
SASCO CAPITAL INC / CT/ New +526,765+526.8k
FMR LLC Added +370,694+370.7k
Invesco Ltd. Added +362,907+362.9k
MORGAN STANLEY Added +356,094+356.1k
VANGUARD GROUP INC Added +344,206+344.2k
CITADEL ADVISORS LLC Added +239,909+239.9k

Biggest sellers

Electron Capital Partners, LLC Sold out -2,041,478-2.0m
LSV ASSET MANAGEMENT Reduced -1,861,335-1.9m
STATE STREET CORP Reduced -615,051-615.1k
Goodman Financial Corp Sold out -338,646-338.6k
DEPRINCE RACE & ZOLLO INC Reduced -329,925-329.9k
Retirement Systems of Alabama Reduced -314,094-314.1k
BARROW HANLEY MEWHINNEY & STRAUSS LLC Reduced -306,383-306.4k
Bank of New York Mellon Corp Reduced -252,765-252.8k
Schonfeld Strategic Advisors LLC Reduced -166,698-166.7k
FIRST TRUST ADVISORS LP Reduced -165,347-165.3k

Biggest calls

SUSQUEHANNA INTERNATIONAL GROUP, LLP Added $1.9m63.9k shares
JANE STREET GROUP, LLC Reduced $801.0k26.4k shares
CITADEL ADVISORS LLC Added $552.2k18.2k shares
SIMPLEX TRADING, LLC Reduced $379.0k12.5k shares
GROUP ONE TRADING LLC Reduced $78.9k2.6k shares
CONCOURSE FINANCIAL GROUP SECURITIES, INC. Unchanged $00 shares

Biggest puts

SIMPLEX TRADING, LLC Added $48.0k1.6k shares
CITADEL ADVISORS LLC New $30.3k1.0k 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 Q4 2022

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 Q4 2022.

Holders, Q4 2022

#ManagerLocationShares Value% of their portfolioChangeShares change
1 VANGUARD GROUP INC 0.02% of their portfolio Valley Forge, PA 22,021,30022.0m $668.1m $668.1m 0.02% Added +344.2k +344,206
2 BlackRock Inc. 0.02% of their portfolio New York, NY 18,827,65518.8m $571.2m $571.2m 0.02% Added +656.9k +656,920
3 STATE STREET CORP 0.03% of their portfolio BOSTON, MA 16,216,24016.2m $495.5m $495.5m 0.03% Reduced -615.1k -615,051
4 Corvex Management LP 20.45% of their portfolio NEW YORK, NY 10,147,04110.1m $307.9m $307.9m 20.45% Unchanged
5 DIMENSIONAL FUND ADVISORS LP 0.06% of their portfolio AUSTIN, TX 5,255,5785.3m $159.5m $159.5m 0.06% Added +149.9k +149,872
6 FRANKLIN RESOURCES INC 0.07% of their portfolio San Mateo, CA 4,406,7804.4m $133.7m $133.7m 0.07% Reduced -1.7k -1,690
7 BARROW HANLEY MEWHINNEY & STRAUSS LLC 0.37% of their portfolio DALLAS, TX 3,214,3843.2m $97.5m $97.5m 0.37% Reduced -306.4k -306,383
8 GEODE CAPITAL MANAGEMENT, LLC 0.01% of their portfolio BOSTON, MA 2,970,2623.0m $90.1m $90.1m 0.01% Added +132.2k +132,212
9 Bank of New York Mellon Corp 0.02% of their portfolio NEW YORK, NY 2,965,4993.0m $90.0m $90.0m 0.02% Reduced -252.8k -252,765
10 59 North Capital Management, LP 13.79% of their portfolio Houston, TX 2,536,1882.5m $76.9m $76.9m 13.79% Added +663.4k +663,444
11 FMR LLC 0.01% of their portfolio BOSTON, MA 2,484,1842.5m $75.4m $75.4m 0.01% Added +370.7k +370,694
12 Invesco Ltd. 0.02% of their portfolio ATLANTA, GA 2,044,6712.0m $62.0m $62.0m 0.02% Added +362.9k +362,907
13 NORGES BANK 0.01% of their portfolio OSLO, Q8 2,023,2312.0m $61.4m $61.4m 0.01% Added +164.4k +164,416
14 River Road Asset Management, LLC 0.80% of their portfolio LOUISVILLE, KY 1,918,9601.9m $58.2m $58.2m 0.80% Added +85.9k +85,918
15 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.02% of their portfolio SAN FRANCISCO, CA 1,892,7911.9m $57.4m $57.4m 0.02% Added +56.3k +56,254
16 MORGAN STANLEY 0.01% of their portfolio NEW YORK, NY 1,816,5591.8m $55.1m $55.1m 0.01% Added +356.1k +356,094
17 US BANCORP \DE\ 0.09% of their portfolio MINNEAPOLIS, MN 1,704,9441.7m $51.7m $51.7m 0.09% Reduced -52.0k -51,985
18 GOLDMAN SACHS GROUP INC 0.01% of their portfolio NEW YORK, NY 1,605,1181.6m $48.7m $48.7m 0.01% Reduced -53.6k -53,643
19 NORTHERN TRUST CORP 0.01% of their portfolio CHICAGO, IL 1,496,5561.5m $45.4m $45.4m 0.01% Reduced -132.8k -132,809
20 OLD REPUBLIC INTERNATIONAL CORP 1.38% of their portfolio CHICAGO, IL 1,445,0001.4m $43.8m $43.8m 1.38% Reduced -34.5k -34,500
21 FRONTIER CAPITAL MANAGEMENT CO LLC 0.46% of their portfolio Boston, MA 1,387,0201.4m $42.1m $42.1m 0.46% Reduced -37.9k -37,904
22 DEPRINCE RACE & ZOLLO INC 0.90% of their portfolio Winter Park, FL 1,288,9851.3m $39.1m $39.1m 0.90% Reduced -329.9k -329,925
23 ProShare Advisors LLC 0.13% of their portfolio BETHESDA, MD 1,201,9891.2m $36.5m $36.5m 0.13% Added +226.4k +226,426
24 Owl Creek Asset Management, L.P. 2.29% of their portfolio New York, NY 1,066,0691.1m $32.3m $32.3m 2.29% Added +738.8k +738,807
25 MILLENNIUM MANAGEMENT LLC 0.03% of their portfolio NEW YORK, NY 997,934997.9k $30.3m $30.3m 0.03% Added +732.1k +732,104
26 SCOPIA CAPITAL MANAGEMENT LP 2.91% of their portfolio NEW YORK, NY 951,914951.9k $28.9m $28.9m 2.91% Reduced -27.4k -27,371
27 Mirae Asset Global Investments Co., Ltd. 0.07% of their portfolio SEOUL, M5 825,214825.2k $25.0m $25.0m 0.07% Reduced -25.3k -25,315
28 PRINCIPAL FINANCIAL GROUP INC 0.02% of their portfolio DES MOINES, IA 797,313797.3k $24.2m $24.2m 0.02% Added +4.7k +4,740
29 PZENA INVESTMENT MANAGEMENT LLC 0.10% of their portfolio NEW YORK, NY 781,895781.9k $23.7m $23.7m 0.10% Unchanged
30 AMERIPRISE FINANCIAL INC 0.01% of their portfolio MINNEAPOLIS, MN 752,896752.9k $22.8m $22.8m 0.01% Reduced -20.4k -20,431
31 FIRST TRUST ADVISORS LP 0.03% of their portfolio Wheaton, IL 725,402725.4k $22.0m $22.0m 0.03% Reduced -165.3k -165,347
32 RHUMBLINE ADVISERS 0.03% of their portfolio BOSTON, MA 615,648615.6k $18.7m $18.7m 0.03% Added +20.7k +20,746
33 CITADEL ADVISORS LLC 0.02% of their portfolio MIAMI, FL 609,153609.2k $18.5m $18.5m 0.02% Added +239.9k +239,909
34 JPMORGAN CHASE & CO 0.00% of their portfolio NEW YORK, NY 583,806583.8k $17.7m $17.7m 0.00% Added +56.4k +56,419
35 MANAGED ASSET PORTFOLIOS, LLC 2.74% of their portfolio ROCHESTER, MI 577,577577.6k $17.5m $17.5m 2.74% Added +3.8k +3,778
36 Nuveen Asset Management, LLC 0.01% of their portfolio CHICAGO, IL 557,037557.0k $16.9m $16.9m 0.01% Added +27.0k +26,982
37 DAVIDSON INVESTMENT ADVISORS 1.28% of their portfolio GREAT FALLS, MT 542,194542.2k $16.5m $16.5m 1.28% Reduced -6.4k -6,353
38 NEUBERGER BERMAN GROUP LLC 0.02% of their portfolio NEW YORK, NY 535,882535.9k $16.3m $16.3m 0.02% Added +14.3k +14,318
39 SASCO CAPITAL INC / CT/ 2.03% of their portfolio FAIRFIELD, CT 526,765526.8k $16.0m $16.0m 2.03% New
40 LOOMIS SAYLES & CO L P 0.03% of their portfolio BOSTON, MA 511,272511.3k $15.5m $15.5m 0.03% Reduced -21.4k -21,390
41 LSV ASSET MANAGEMENT 0.03% of their portfolio CHICAGO, IL 493,460493.5k $15.0m $15.0m 0.03% Reduced -1.9m -1,861,335
42 Swiss National Bank 0.01% of their portfolio ZURICH, V8 490,990491.0k $14.9m $14.9m 0.01% Added +8.8k +8,800
43 Russell Investments Group, Ltd. 0.03% of their portfolio Seattle, WA 481,799481.8k $14.6m $14.6m 0.03% Reduced -130.2k -130,247
44 BANK OF AMERICA CORP /DE/ 0.00% of their portfolio CHARLOTTE, NC 479,706479.7k $14.6m $14.6m 0.00% Added +30.7k +30,720
45 California Public Employees Retirement System 0.01% of their portfolio Sacramento, CA 479,693479.7k $14.6m $14.6m 0.01% Added +1.4k +1,430
46 Legal & General Group Plc 0.01% of their portfolio London, X0 473,129473.1k $14.4m $14.4m 0.01% Added +35.0k +35,014
47 MACQUARIE GROUP LTD 0.02% of their portfolio Sydney, NSW 2000, C3 444,100444.1k $13.5m $13.5m 0.02% Reduced -12.3k -12,262
48 Angeles Investment Advisors, LLC 1.15% of their portfolio SANTA MONICA, CA 441,420441.4k $13.4m $13.4m 1.15% Unchanged
49 JOHN G ULLMAN & ASSOCIATES INC 1.99% of their portfolio CORNING, NY 412,061412.1k $12.5m $12.5m 1.99% Reduced -4.0k -3,968
50 HEARTLAND ADVISORS INC 0.77% of their portfolio MILWAUKEE, WI 400,000400.0k $12.1m $12.1m 0.77% Reduced -2.0k -2,000
51 AQR CAPITAL MANAGEMENT LLC 0.03% of their portfolio Greenwich, CT 385,505385.5k $11.7m $11.7m 0.03% Reduced -92.9k -92,882
52 UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.01% of their portfolio NEW YORK, NY 382,181382.2k $11.6m $11.6m 0.01% Added +6.7k +6,712
53 WELLS FARGO & COMPANY/MN 0.00% of their portfolio SAN FRANCISCO, CA 375,090375.1k $11.4m $11.4m 0.00% Added +4.4k +4,426
54 Assenagon Asset Management S.A. 0.04% of their portfolio SENNINGERBERG, N4 355,519355.5k $10.8m $10.8m 0.04% Reduced -24.0k -23,966
55 BANK OF NOVA SCOTIA 0.03% of their portfolio TORONTO, A6 354,376354.4k $10.8m $10.8m 0.03% Added +111.7k +111,732
56 M&T Bank Corp 0.04% of their portfolio BUFFALO, NY 320,891320.9k $9.7m $9.7m 0.04% Reduced -554 -554
57 AMERICAN INTERNATIONAL GROUP, INC. 0.07% of their portfolio New York, NY 316,692316.7k $9.6m $9.6m 0.07% Reduced -4.2k -4,195
58 ALLIANCEBERNSTEIN L.P. 0.00% of their portfolio NASHVILLE, TN 299,248299.2k $9.1m $9.1m 0.00% Reduced -4.3k -4,309
59 FIRST MANHATTAN CO. LLC. 0.03% of their portfolio NEW YORK, NY 294,959295.0k $8.9m $8.9m 0.03% Reduced -4.5k -4,450
60 GUGGENHEIM CAPITAL LLC 0.08% of their portfolio CHICAGO, IL 288,837288.8k $8.8m $8.8m 0.08% Reduced -5.5k -5,503
61 CAPTRUST FINANCIAL ADVISORS 0.04% of their portfolio RALEIGH, NC 285,021285.0k $8.6m $8.6m 0.04% Reduced -4.4k -4,383
62 Greenland Capital Management LP 1.58% of their portfolio NEW YORK, NY 284,452284.5k $8.6m $8.6m 1.58% First filing
63 STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM 0.02% of their portfolio TALLAHASSEE, FL 280,244280.2k $8.5m $8.5m 0.02% Reduced -15.9k -15,950
64 NEW YORK STATE TEACHERS RETIREMENT SYSTEM 0.02% of their portfolio ALBANY, NY 276,144276.1k $8.4m $8.4m 0.02% Unchanged
65 BRIDGER MANAGEMENT, LLC 3.34% of their portfolio NEW YORK, NY 272,800272.8k $8.3m $8.3m 3.34% Added +97.3k +97,300
66 Retirement Systems of Alabama 0.04% of their portfolio MONTGOMERY, AL 268,022268.0k $8.1m $8.1m 0.04% Reduced -314.1k -314,094
67 CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.01% of their portfolio WEST SACRAMENTO, CA 259,787259.8k $7.9m $7.9m 0.01% Added +2.9k +2,866
68 RAYMOND JAMES & ASSOCIATES 0.01% of their portfolio ST PETERSBURG, FL 245,428245.4k $7.4m $7.4m 0.01% Reduced -602 -602
69 Stockman Wealth Management, Inc. 1.69% of their portfolio BILLINGS, MT 242,073242.1k $7.3m $7.3m 1.69% Reduced -3.9k -3,925
70 SUSQUEHANNA FUNDAMENTAL INVESTMENTS, LLC 0.12% of their portfolio BALA CYNWYD, PA 229,577229.6k $7.0m $7.0m 0.12% Reduced -13.8k -13,800
71 Barry Investment Advisors, LLC 2.19% of their portfolio NEW BEDFORD, MA 227,397227.4k $7.0m $7.0m 2.19% Reduced -18.6k -18,634
72 CREDIT SUISSE AG/ 0.01% of their portfolio ZURICH, V8 215,966216.0k $6.6m $6.6m 0.01% Reduced -56.6k -56,628
73 13D Management LLC 3.44% of their portfolio New York, NY 215,400215.4k $6.5m $6.5m 3.44% New
74 Baird Financial Group, Inc. 0.02% of their portfolio MILWAUKEE, WI 214,314214.3k $6.5m $6.5m 0.02% Added +17.1k +17,057
75 VOLORIDGE INVESTMENT MANAGEMENT, LLC 0.04% of their portfolio JUPITER, FL 212,573212.6k $6.4m $6.4m 0.04% Added +1.3k +1,320
76 NEW YORK STATE COMMON RETIREMENT FUND 0.01% of their portfolio ALBANY, NY 209,821209.8k $6.4m $6.4m 0.01% Added +5.0k +5,016
77 Point72 Asset Management, L.P. 0.02% of their portfolio STAMFORD, CT 195,700195.7k $5.9m $5.9m 0.02% Reduced -111.1k -111,100
78 MANUFACTURERS LIFE INSURANCE COMPANY, THE 0.00% of their portfolio Toronto, A6 181,734181.7k $5.5m $5.5m 0.00% Reduced -1.3k -1,271
79 KENNEDY CAPITAL MANAGEMENT LLC 0.15% of their portfolio ST LOUIS, MO 177,946177.9k $5.4m $5.4m 0.15% Reduced -15.3k -15,273
80 AMALGAMATED BANK 0.05% of their portfolio NEW YORK, NY 177,507177.5k $5.4m $5.4m 0.05% Added +32.0k +32,046
81 ROYAL BANK OF CANADA 0.00% of their portfolio TORONTO, A6 175,025175.0k $5.3m $5.3m 0.00% Added +93.6k +93,636
82 Ancora Advisors LLC 0.15% of their portfolio Cleveland, OH 171,216171.2k $5.2m $5.2m 0.15% Reduced -10.9k -10,910
83 RENAISSANCE TECHNOLOGIES LLC 0.01% of their portfolio NEW YORK, NY 171,000171.0k $5.2m $5.2m 0.01% Reduced -95.8k -95,850
84 MUTUAL OF AMERICA CAPITAL MANAGEMENT LLC 0.06% of their portfolio New York, NY 167,030167.0k $5.1m $5.1m 0.06% Added +3.7k +3,673
85 HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND 0.02% of their portfolio TORONTO, A6 158,800158.8k $4.8m $4.8m 0.02% New
86 HENNESSY ADVISORS INC 0.31% of their portfolio NOVATO, CA 155,607155.6k $4.7m $4.7m 0.31% Reduced -13.8k -13,800
87 CANADA LIFE ASSURANCE Co 0.01% of their portfolio WINNIPEG, A2 154,037154.0k $4.7m $4.7m 0.01% Reduced -75.2k -75,245
88 Cladis Investment Advisory, LLC 2.48% of their portfolio BILLINGS, MT 153,590153.6k $4.7m $4.7m 2.48% Added +502 +502
89 DC Investments Management, LLC 5.69% of their portfolio MCLEAN, VA 148,123148.1k $4.5m $4.5m 5.69% Unchanged
90 VOYA INVESTMENT MANAGEMENT LLC 0.01% of their portfolio ATLANTA, GA 145,576145.6k $4.4m $4.4m 0.01% Reduced -3.6k -3,578
91 COMERICA BANK 0.03% of their portfolio DALLAS, TX 143,780143.8k $4.4m $4.4m 0.03% Reduced -2.2k -2,210
92 SG Americas Securities, LLC 0.06% of their portfolio NEW YORK, NY 138,550138.6k $4.2m $4.2m 0.06% Added +123.9k +123,894
93 COMMONWEALTH EQUITY SERVICES, LLC 0.01% of their portfolio WALTHAM, MA 136,974137.0k $4.2m $4.2m 0.01% Added +17.6k +17,570
94 TEXAS PERMANENT SCHOOL FUND CORP 0.06% of their portfolio AUSTIN, TX 136,711136.7k $4.1m $4.1m 0.06% Reduced -9.5k -9,534
95 UBS Group AG 0.00% of their portfolio ZURICH, V8 136,547136.5k $4.1m $4.1m 0.00% Added +41.6k +41,638
96 Keeley-Teton Advisors, LLC 0.50% of their portfolio Chicago, IL 133,389133.4k $4.0m $4.0m 0.50% Reduced -15.4k -15,377
97 J.P. Morgan Private Wealth Advisors LLC 0.01% of their portfolio SAN FRANCISCO, CA 129,316129.3k $3.9m $3.9m 0.01% Added +9.9k +9,908
98 MetLife Investment Management, LLC 0.03% of their portfolio Whippany, NJ 128,004128.0k $3.9m $3.9m 0.03% Reduced -2.6k -2,563
99 LPL Financial LLC 0.00% of their portfolio FORT MILL, SC 123,344123.3k $3.7m $3.7m 0.00% Added +33.7k +33,683
100 D.A. DAVIDSON & CO. 0.04% of their portfolio GREAT FALLS, MT 119,448119.4k $3.6m $3.6m 0.04% Reduced -591 -591