Vault-13

MDU RES GROUP INC MDU

COM · Common Stock · CUSIP 552690109 · ISIN US5526901096

380 institutional holders -32 vs Q1 2023
147,076,951147.1m shares reported held*
72.2% of all shares outstanding*
$3.1bnreported value*
39 new 130 added 125 reduced 71 sold out net sold ≈ $21.2m (-927.5k 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 ($2.2m this quarter). Holder counts are more reliable. Shares outstanding: 203.6m as of 2023-08-01, 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 ≈ $20.98. Options: 6 managers hold calls ($4.6m notional), 4 hold puts ($499.7k).

Trends to Q2 2023

Institutional holders

Managers reporting a position, each quarter

0200400600Q3 22: 377Q4 22: 403Q1 23: 412Q2 23: 380380Q3 22Q4 22Q1 23Q2 23
Numbers
QuarterHolders
Q3 2022377
Q4 2022403
Q1 2023412
Q2 2023380

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 23Q2 23: 169 bought or addedQ2 23: 196 cut or sold outQ2 23
Numbers
QuarterBought or addedCut or sold out
Q4 2022160162
Q1 2023171170
Q2 2023169196

Calls vs puts

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

CallsPuts
$0$2m$4m$6mQ3 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 0.09Q2 23 calls: $4.6mQ2 23 puts: $499.7kQ2 23P/C 0.11
Numbers
QuarterCallsPutsP/C
Q3 2022$3.7m$193.0k0.05
Q4 2022$3.7m$78.3k0.02
Q1 2023$2.8m$246.9k0.09
Q2 2023$4.6m$499.7k0.11

Biggest buyers

MILLENNIUM MANAGEMENT LLC Added +1,140,807+1.1m
59 North Capital Management, LP Added +924,618+924.6k
FIRST TRUST ADVISORS LP Added +896,879+896.9k
Ancora Advisors LLC Added +668,655+668.7k
Allspring Global Investments Holdings, LLC Added +594,314+594.3k
NEUBERGER BERMAN GROUP LLC Added +533,074+533.1k
MORGAN STANLEY Added +519,102+519.1k
ProShare Advisors LLC Added +453,610+453.6k
Balyasny Asset Management L.P. Added +401,489+401.5k
GOLDMAN SACHS GROUP INC Added +346,905+346.9k

Biggest sellers

FMR LLC Reduced -4,192,702-4.2m
SCOPIA CAPITAL MANAGEMENT LP Sold out -1,284,151-1.3m
STATE STREET CORP Reduced -940,261-940.3k
DEPRINCE RACE & ZOLLO INC Sold out -789,791-789.8k
DAVIDSON INVESTMENT ADVISORS Sold out -554,035-554.0k
AMERIPRISE FINANCIAL INC Reduced -466,686-466.7k
HEARTLAND ADVISORS INC Sold out -400,000-400.0k
NORGES BANK Reduced -373,998-374.0k
Crestline Management, L.P. Sold out -347,423-347.4k
VANGUARD GROUP INC Reduced -325,191-325.2k

Biggest calls

CITADEL ADVISORS LLC Added $1.6m74.8k shares
SUSQUEHANNA INTERNATIONAL GROUP, LLP Added $1.5m72.1k shares
GROUP ONE TRADING LLC Added $1.3m63.5k shares
JANE STREET GROUP, LLC Added $237.2k11.3k shares
CONCOURSE FINANCIAL GROUP SECURITIES, INC. Unchanged $00 shares
SIMPLEX TRADING, LLC Reduced $06.8k shares

Biggest puts

SUSQUEHANNA INTERNATIONAL GROUP, LLP New $242.9k11.6k shares
CITADEL ADVISORS LLC Added $240.8k11.5k shares
SIMPLEX TRADING, LLC New $16.0k800 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 Q2 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 Q2 2023.

Holders, Q2 2023

#ManagerLocationShares Value% of their portfolioChangeShares change
1 VANGUARD GROUP INC 0.01% of their portfolio Valley Forge, PA 21,929,01521.9m $459.2m $459.2m 0.01% Reduced -325.2k -325,191
2 BlackRock Inc. 0.01% of their portfolio New York, NY 19,089,41819.1m $399.7m $399.7m 0.01% Added +269.3k +269,302
3 STATE STREET CORP 0.02% of their portfolio BOSTON, MA 14,631,97114.6m $309.7m $309.7m 0.02% Reduced -940.3k -940,261
4 Corvex Management LP 11.76% of their portfolio NEW YORK, NY 10,147,04110.1m $212.5m $212.5m 11.76% Unchanged
5 DIMENSIONAL FUND ADVISORS LP 0.03% of their portfolio AUSTIN, TX 5,085,6815.1m $106.5m $106.5m 0.03% Added +158.3k +158,295
6 FRANKLIN RESOURCES INC 0.04% of their portfolio San Mateo, CA 4,207,1234.2m $88.1m $88.1m 0.04% Added +486 +486
7 59 North Capital Management, LP 8.73% of their portfolio Houston, TX 3,650,9893.7m $76.5m $76.5m 8.73% Added +924.6k +924,618
8 BARROW HANLEY MEWHINNEY & STRAUSS LLC 0.27% of their portfolio DALLAS, TX 3,441,9863.4m $72.1m $72.1m 0.27% Added +135.6k +135,591
9 GEODE CAPITAL MANAGEMENT, LLC 0.01% of their portfolio BOSTON, MA 3,191,4173.2m $66.8m $66.8m 0.01% Added +142.8k +142,844
10 Bank of New York Mellon Corp 0.01% of their portfolio NEW YORK, NY 2,964,3383.0m $62.1m $62.1m 0.01% Added +3.3k +3,256
11 FMR LLC 0.00% of their portfolio BOSTON, MA 2,410,9082.4m $50.5m $50.5m 0.00% Reduced -4.2m -4,192,702
12 MORGAN STANLEY 0.00% of their portfolio NEW YORK, NY 2,242,2612.2m $47.0m $47.0m 0.00% Added +519.1k +519,102
13 MILLENNIUM MANAGEMENT LLC 0.05% of their portfolio NEW YORK, NY 2,080,1362.1m $43.6m $43.6m 0.05% Added +1.1m +1,140,807
14 NORGES BANK 0.01% of their portfolio OSLO, Q8 2,068,4472.1m $43.3m $43.3m 0.01% Reduced -374.0k -373,998
15 River Road Asset Management, LLC 0.58% of their portfolio LOUISVILLE, KY 2,003,8072.0m $42.0m $42.0m 0.58% Added +77.7k +77,669
16 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.01% of their portfolio SAN FRANCISCO, CA 1,887,9041.9m $39.5m $39.5m 0.01% Reduced -105 -105
17 FIRST TRUST ADVISORS LP 0.04% of their portfolio Wheaton, IL 1,717,6961.7m $36.0m $36.0m 0.04% Added +896.9k +896,879
18 US BANCORP \DE\ 0.06% of their portfolio MINNEAPOLIS, MN 1,708,7341.7m $35.8m $35.8m 0.06% Reduced -6.7k -6,701
19 FRONTIER CAPITAL MANAGEMENT CO LLC 0.33% of their portfolio Boston, MA 1,653,7371.7m $34.6m $34.6m 0.33% Added +302.1k +302,075
20 ProShare Advisors LLC 0.10% of their portfolio BETHESDA, MD 1,573,7621.6m $33.0m $33.0m 0.10% Added +453.6k +453,610
21 OLD REPUBLIC INTERNATIONAL CORP 0.99% of their portfolio CHICAGO, IL 1,445,0001.4m $30.3m $30.3m 0.99% Unchanged
22 NORTHERN TRUST CORP 0.01% of their portfolio CHICAGO, IL 1,432,6101.4m $30.0m $30.0m 0.01% Reduced -59.0k -58,956
23 NEUBERGER BERMAN GROUP LLC 0.02% of their portfolio NEW YORK, NY 1,251,7061.3m $26.2m $26.2m 0.02% Added +533.1k +533,074
24 Allspring Global Investments Holdings, LLC 0.04% of their portfolio CHARLOTTE, NC 1,086,1111.1m $22.7m $22.7m 0.04% Added +594.3k +594,314
25 ADAGE CAPITAL PARTNERS GP, L.L.C. 0.05% of their portfolio Boston, MA 1,050,0001.1m $22.0m $22.0m 0.05% Unchanged
26 SASCO CAPITAL INC / CT/ 2.56% of their portfolio FAIRFIELD, CT 1,029,7211.0m $21.6m $21.6m 2.56% Added +159.6k +159,570
27 Mirae Asset Global Investments Co., Ltd. 0.04% of their portfolio SEOUL, M5 985,562985.6k $20.6m $20.6m 0.04% Added +80.6k +80,577
28 Invesco Ltd. 0.01% of their portfolio ATLANTA, GA 985,247985.2k $20.6m $20.6m 0.01% Reduced -78.0k -78,019
29 Ancora Advisors LLC 0.47% of their portfolio Cleveland, OH 852,771852.8k $17.9m $17.9m 0.47% Added +668.7k +668,655
30 MANAGED ASSET PORTFOLIOS, LLC 2.58% of their portfolio ROCHESTER, MI 821,795821.8k $17.2m $17.2m 2.58% Added +244.4k +244,428
31 PZENA INVESTMENT MANAGEMENT LLC 0.07% of their portfolio NEW YORK, NY 795,335795.3k $16.7m $16.7m 0.07% Added +13.4k +13,440
32 PRINCIPAL FINANCIAL GROUP INC 0.01% of their portfolio DES MOINES, IA 764,528764.5k $16.0m $16.0m 0.01% Reduced -40.1k -40,070
33 RHUMBLINE ADVISERS 0.01% of their portfolio BOSTON, MA 639,253639.3k $13.4m $13.4m 0.01% Added +30.6k +30,609
34 GOLDMAN SACHS GROUP INC 0.00% of their portfolio NEW YORK, NY 621,093621.1k $13.0m $13.0m 0.00% Added +346.9k +346,905
35 Greenland Capital Management LP 1.73% of their portfolio NEW YORK, NY 575,029575.0k $12.0m $12.0m 1.73% Added +297.1k +297,083
36 BANK OF AMERICA CORP /DE/ 0.00% of their portfolio CHARLOTTE, NC 567,515567.5k $11.9m $11.9m 0.00% Added +37.4k +37,354
37 Nuveen Asset Management, LLC 0.00% of their portfolio CHICAGO, IL 554,651554.7k $11.6m $11.6m 0.00% Added +3.8k +3,847
38 LOOMIS SAYLES & CO L P 0.02% of their portfolio BOSTON, MA 536,781536.8k $11.2m $11.2m 0.02% Added +56.1k +56,138
39 JPMORGAN CHASE & CO 0.00% of their portfolio NEW YORK, NY 523,517523.5k $11.0m $11.0m 0.00% Reduced -111.7k -111,677
40 Legal & General Group Plc 0.00% of their portfolio London, X0 509,585509.6k $10.7m $10.7m 0.00% Added +32.6k +32,576
41 Balyasny Asset Management L.P. 0.03% of their portfolio Chicago, IL 480,940480.9k $10.1m $10.1m 0.03% Added +401.5k +401,489
42 AQR CAPITAL MANAGEMENT LLC 0.02% of their portfolio Greenwich, CT 474,692474.7k $9.9m $9.9m 0.02% Reduced -17.6k -17,557
43 LSV ASSET MANAGEMENT 0.02% of their portfolio CHICAGO, IL 459,500459.5k $9.6m $9.6m 0.02% Reduced -10.5k -10,500
44 BANK OF NOVA SCOTIA 0.02% of their portfolio TORONTO, A6 450,712450.7k $9.4m $9.4m 0.02% Added +86.1k +86,100
45 Angeles Investment Advisors, LLC 0.78% of their portfolio SANTA MONICA, CA 441,420441.4k $9.2m $9.2m 0.78% Unchanged
46 MACQUARIE GROUP LTD 0.01% of their portfolio Sydney, NSW 2000, C3 437,350437.4k $9.2m $9.2m 0.01% Reduced -400 -400
47 JOHN G ULLMAN & ASSOCIATES INC 1.36% of their portfolio CORNING, NY 422,166422.2k $8.8m $8.8m 1.36% Added +13.0k +12,965
48 Swiss National Bank 0.01% of their portfolio ZURICH, V8 421,190421.2k $8.8m $8.8m 0.01% Reduced -17.7k -17,700
49 Voss Capital, LP 1.00% of their portfolio HOUSTON, TX 395,000395.0k $8.3m $8.3m 1.00% Added +345.0k +345,000
50 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% Unchanged
51 WELLS FARGO & COMPANY/MN 0.00% of their portfolio SAN FRANCISCO, CA 358,523358.5k $7.5m $7.5m 0.00% Reduced -10.5k -10,462
52 California Public Employees Retirement System 0.01% of their portfolio Sacramento, CA 351,169351.2k $7.4m $7.4m 0.01% Reduced -62.5k -62,536
53 CITADEL ADVISORS LLC 0.01% of their portfolio MIAMI, FL 341,711341.7k $7.2m $7.2m 0.01% Reduced -179.7k -179,726
54 TWO SIGMA INVESTMENTS, LP 0.02% of their portfolio NEW YORK, NY 327,256327.3k $6.9m $6.9m 0.02% Added +169.6k +169,567
55 SUSQUEHANNA INTERNATIONAL GROUP, LLP 0.01% of their portfolio BALA CYNWYD, PA 320,339320.3k $6.7m $6.7m 0.01% Added +304.7k +304,700
56 M&T Bank Corp 0.02% of their portfolio BUFFALO, NY 318,711318.7k $6.7m $6.7m 0.02% Reduced -2.6k -2,580
57 AMERICAN INTERNATIONAL GROUP, INC. 0.04% of their portfolio New York, NY 307,136307.1k $6.4m $6.4m 0.04% Reduced -6.6k -6,618
58 Russell Investments Group, Ltd. 0.01% of their portfolio Seattle, WA 295,090295.1k $6.2m $6.2m 0.01% Added +3.1k +3,123
59 ALLIANCEBERNSTEIN L.P. 0.00% of their portfolio NASHVILLE, TN 294,307294.3k $6.2m $6.2m 0.00% Reduced -157 -157
60 GUGGENHEIM CAPITAL LLC 0.05% of their portfolio CHICAGO, IL 292,509292.5k $6.1m $6.1m 0.05% Added +12.1k +12,109
61 Baird Financial Group, Inc. 0.02% of their portfolio MILWAUKEE, WI 278,604278.6k $5.8m $5.8m 0.02% Added +15.9k +15,859
62 13D Management LLC 3.07% of their portfolio New York, NY 269,100269.1k $5.6m $5.6m 3.07% Reduced -9.3k -9,300
63 CAPTRUST FINANCIAL ADVISORS 0.02% of their portfolio RALEIGH, NC 267,275267.3k $5.6m $5.6m 0.02% Reduced -1.2k -1,160
64 Retirement Systems of Alabama 0.02% of their portfolio MONTGOMERY, AL 262,428262.4k $5.5m $5.5m 0.02% Reduced -3.3k -3,274
65 STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM 0.01% of their portfolio TALLAHASSEE, FL 260,546260.5k $5.5m $5.5m 0.01% Reduced -19.7k -19,698
66 AMERIPRISE FINANCIAL INC 0.00% of their portfolio MINNEAPOLIS, MN 260,196260.2k $5.5m $5.5m 0.00% Reduced -466.7k -466,686
67 Boussard & Gavaudan Investment Management LLP 0.51% of their portfolio London, X0 254,900254.9k $5.3m $5.3m 0.51% New
68 Stockman Wealth Management, Inc. 1.14% of their portfolio BILLINGS, MT 254,138254.1k $5.3m $5.3m 1.14% Added +10.7k +10,688
69 CREDIT SUISSE AG/ 0.01% of their portfolio ZURICH, V8 251,970252.0k $5.3m $5.3m 0.01% Added +13.0k +12,978
70 Bragg Financial Advisors, Inc 0.29% of their portfolio CHARLOTTE, NC 250,260250.3k $5.2m $5.2m 0.29% Added +18.9k +18,927
71 NEW YORK STATE TEACHERS RETIREMENT SYSTEM 0.01% of their portfolio ALBANY, NY 248,022248.0k $5.2m $5.2m 0.01% Reduced -17.2k -17,200
72 RAYMOND JAMES & ASSOCIATES 0.00% of their portfolio ST PETERSBURG, FL 242,870242.9k $5.1m $5.1m 0.00% Added +3.3k +3,340
73 CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.01% of their portfolio WEST SACRAMENTO, CA 239,650239.7k $5.0m $5.0m 0.01% Reduced -16.3k -16,277
74 SUSQUEHANNA FUNDAMENTAL INVESTMENTS, LLC 0.18% of their portfolio BALA CYNWYD, PA 229,577229.6k $4.8m $4.8m 0.18% Unchanged
75 Ergoteles LLC 0.21% of their portfolio NEW YORK, NY 209,046209.0k $4.4m $4.4m 0.21% New
76 Redwood Investment Management, LLC 0.29% of their portfolio SCOTTSDALE, AZ 194,049194.0k $2.8m $2.8m 0.29% Added +78.2k +78,168
77 FIRST MANHATTAN CO. LLC. 0.01% of their portfolio NEW YORK, NY 192,134192.1k $4.0m $4.0m 0.01% Reduced -30.0k -30,000
78 HENNESSY ADVISORS INC 0.29% of their portfolio NOVATO, CA 191,007191.0k $4.0m $4.0m 0.29% Added +35.4k +35,400
79 TEXAS PERMANENT SCHOOL FUND CORP 0.03% of their portfolio AUSTIN, TX 179,300179.3k $3.8m $3.8m 0.03% Reduced -3.1k -3,066
80 MANUFACTURERS LIFE INSURANCE COMPANY, THE 0.00% of their portfolio Toronto, A6 178,966179.0k $3.7m $3.7m 0.00% Added +3.4k +3,399
81 ALGERT GLOBAL LLC 0.16% of their portfolio SAN FRANCISCO, CA 178,271178.3k $3.7m $3.7m 0.16% Added +3.0k +3,007
82 HRT FINANCIAL LP 0.04% of their portfolio NEW YORK, NY 177,266177.3k $3.7m $3.7m 0.04% Added +130.7k +130,706
83 NEW YORK STATE COMMON RETIREMENT FUND 0.00% of their portfolio ALBANY, NY 176,630176.6k $3.7m $3.7m 0.00% Reduced -10.2k -10,214
84 KENNEDY CAPITAL MANAGEMENT LLC 0.08% of their portfolio ST LOUIS, MO 168,983169.0k $3.5m $3.5m 0.08% Reduced -6.9k -6,881
85 PRUDENTIAL FINANCIAL INC 0.01% of their portfolio NEWARK, NJ 168,493168.5k $3.5m $3.5m 0.01% Added +151.4k +151,395
86 HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND 0.02% of their portfolio TORONTO, A6 163,400163.4k $3.4m $3.4m 0.02% Reduced -11.8k -11,790
87 Cladis Investment Advisory, LLC 1.55% of their portfolio BILLINGS, MT 158,288158.3k $3.3m $3.3m 1.55% Added +5.4k +5,396
88 MUTUAL OF AMERICA CAPITAL MANAGEMENT LLC 0.04% of their portfolio New York, NY 147,973148.0k $3.1m $3.1m 0.04% Reduced -15.6k -15,622
89 GABELLI FUNDS LLC 0.02% of their portfolio Rye, NY 139,500139.5k $2.9m $2.9m 0.02% Added +105.5k +105,500
90 Keeley-Teton Advisors, LLC 0.37% of their portfolio Chicago, IL 139,449139.4k $2.9m $2.9m 0.37% Reduced -912 -912
91 COMMONWEALTH EQUITY SERVICES, LLC 0.01% of their portfolio WALTHAM, MA 137,294137.3k $2.9m $2.9m 0.01% Reduced -2.5k -2,495
92 Register Financial Advisors LLC 2.00% of their portfolio ATLANTA, GA 134,097134.1k $2.8m $2.8m 2.00% Added +37.6k +37,570
93 CANADA LIFE ASSURANCE Co 0.01% of their portfolio WINNIPEG, A2 133,701133.7k $2.8m $2.8m 0.01% Reduced -18.1k -18,096
94 AMALGAMATED BANK 0.02% of their portfolio NEW YORK, NY 132,725132.7k $2.8m $2.8m 0.02% Reduced -6.9k -6,948
95 Quantbot Technologies LP 0.18% of their portfolio NEW YORK, NY 130,520130.5k $2.7m $2.7m 0.18% Added +110.2k +110,207
96 J.P. Morgan Private Wealth Advisors LLC 0.01% of their portfolio SAN FRANCISCO, CA 130,360130.4k $2.7m $2.7m 0.01% Reduced -5.7k -5,740
97 LPL Financial LLC 0.00% of their portfolio FORT MILL, SC 129,443129.4k $2.7m $2.7m 0.00% Added +7.4k +7,434
98 Financial Engines Advisors L.L.C. 0.01% of their portfolio SANTA CLARA, CA 128,509128.5k $2.7m $2.7m 0.01% Reduced -63.5k -63,470
99 MetLife Investment Management, LLC 0.02% of their portfolio Whippany, NJ 122,006122.0k $2.6m $2.6m 0.02% Reduced -2.7k -2,662
100 AGF MANAGEMENT LTD 0.02% of their portfolio TORONTO, A6 117,408117.4k $2.5m $2.5m 0.02% Added +6.7k +6,712