MDU RES GROUP INC

Ticker: MDU CUSIP: 552690109 Class: COM

MONTGOMERY INVESTMENT MANAGEMENT INC's Holding History (CIK: 0001272544)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025

Shares 43,578 Value ($000) $851 Avg Close $19.57 Range $17.31 - $21.34

Q3 2025

Shares 43,578 Value ($000) $776 Avg Close $16.46 Range $15.63 - $17.87

Q2 2025

Shares 43,578 Value ($000) $726 Avg Close $16.45 Range $14.69 - $17.49

Q1 2025

Shares 43,578 Value ($000) $737 Avg Close $16.76 Range $15.90 - $18.33

Q4 2024

Shares 46,578 Value ($000) $839 Avg Close $16.91 Range $14.27 - $19.63

Q3 2024

Shares 46,578 Value ($000) $1,277 Avg Close $13.65 Range $12.67 - $14.89

Q2 2024

Shares 46,578 Value ($000) $1,169 Avg Close $13.17 Range $12.37 - $13.72

Q1 2024

Shares 47,378 Value ($000) $1,194 Avg Close $10.98 Range $9.86 - $13.32

Q4 2023

Shares 53,958 Value ($000) $1,068 Avg Close $9.95 Range $9.41 - $10.65

Q3 2023

Shares 60,708 Value ($000) $1,189 Avg Close $10.78 Range $10.08 - $11.69

Q2 2023

Shares 61,458 Value ($000) $1,287 Avg Close $10.43 Range $9.61 - $10.94

Q1 2023

Shares 62,458 Value ($000) $1,904 Avg Close $10.70 Range $9.98 - $11.37

Q4 2022

Shares 63,758 Value ($000) $1,934 Avg Close $10.27 Range $9.29 - $11.06

Q3 2022

Shares 68,758 Value ($000) $1,881 Avg Close $10.02 Range $8.94 - $11.08

Q2 2022

Shares 68,558 Value ($000) $1,850 Avg Close $9.15 Range $8.51 - $9.69

Q1 2022

Shares 68,758 Value ($000) $1,833 Avg Close $9.45 Range $8.60 - $10.74

Q4 2021

Shares 70,108 Value ($000) $2,162 Avg Close $9.99 Range $9.15 - $10.63

Q3 2021

Shares 70,108 Value ($000) $2,080 Avg Close $10.53 Range $9.83 - $11.13

Q2 2021

Shares 70,108 Value ($000) $2,198 Avg Close $10.95 Range $10.22 - $11.62

Q1 2021

Shares 70,108 Value ($000) $2,217 Avg Close $9.46 Range $8.38 - $10.66

Q4 2020

Shares 70,158 Value ($000) $1,848 Avg Close $8.05 Range $7.18 - $8.74

Q3 2020

Shares 70,158 Value ($000) $1,579 Avg Close $7.32 Range $6.58 - $8.03

Q2 2020

Shares 72,703 Value ($000) $1,612 Avg Close $7.03 Range $5.94 - $8.01

Q1 2020

Shares 95,703 Value ($000) $2,058 Avg Close $8.83 Range $4.81 - $10.26

Q4 2019

Shares 104,703 Value ($000) $3,111 Avg Close $9.10 Range $8.60 - $9.50

Q3 2019

Shares 115,916 Value ($000) $3,268 Avg Close $8.44 Range $7.93 - $9.12

Q2 2019

Shares 120,366 Value ($000) $3,106 Avg Close $7.99 Range $7.59 - $8.30

Q1 2019

Shares 133,946 Value ($000) $3,460 Avg Close $7.90 Range $7.22 - $8.40

Q4 2018

Shares 158,775 Value ($000) $3,785 Avg Close $7.88 Range $7.03 - $8.27

Q3 2018

Shares 173,134 Value ($000) $4,448 Avg Close $8.58 Range $7.77 - $9.02

Q2 2018

Shares 181,184 Value ($000) $5,196 Avg Close $8.49 Range $8.18 - $8.87

Q1 2018

Shares 184,734 Value ($000) $5,202 Avg Close $8.03 Range $7.29 - $8.53

Q4 2017

Shares 186,484 Value ($000) $5,012 Avg Close $8.04 Range $7.71 - $8.41

Q3 2017

Shares 191,406 Value ($000) $4,967 Avg Close $7.77 Range $7.44 - $8.20

Q2 2017

Shares 194,706 Value ($000) $5,101 Avg Close $7.92 Range $7.51 - $8.25

Q1 2017

Shares 208,546 Value ($000) $5,707 Avg Close $8.03 Range $7.53 - $8.67

Q4 2016

Shares 210,203 Value ($000) $6,048 Avg Close $7.89 Range $7.09 - $8.72

Q3 2016

Shares 214,810 Value ($000) $5,465 Avg Close $6.91 Range $6.46 - $7.47

Q2 2016

Shares 216,515 Value ($000) $5,196 Avg Close $6.12 Range $5.33 - $6.90

Q1 2016

Shares 175,600 Value ($000) $3,418 Avg Close $5.02 Range $4.40 - $5.57

Q4 2015

Shares 177,988 Value ($000) $3,261 Avg Close $5.10 Range $4.59 - $5.49

Q3 2015

Shares 184,188 Value ($000) $3,168 Avg Close $4.95 Range $4.48 - $5.44

Q2 2015

Shares 184,938 Value ($000) $3,612 Avg Close $5.79 Range $5.30 - $6.32

Q1 2015

Shares 181,170 Value ($000) $3,866 Avg Close $6.06 Range $5.47 - $6.65

Q4 2014

Shares 114,420 Value ($000) $2,689 Avg Close $6.84 Range $5.78 - $7.67

Q3 2014

Shares 110,265 Value ($000) $3,066 Avg Close $8.38 Range $7.36 - $9.47

Q2 2014

Shares 96,252 Value ($000) $3,378 Avg Close $9.15 Range $8.68 - $9.59

Q1 2014

Shares 102,992 Value ($000) $3,534 Avg Close $8.65 Range $7.84 - $9.29

Q4 2013

Shares 106,847 Value ($000) $3,264 Avg Close $7.80 Range $7.24 - $8.15

Q3 2013

Shares 175,616 Value ($000) $4,912 Avg Close $7.25 Range $6.78 - $7.90

Q2 2013

Shares 180,916 Value ($000) $4,688 Avg Close $6.58 Range $6.07 - $7.05

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	43,578	$851	$19.57	$17.31 - $21.34
Q3 2025	43,578	$776	$16.46	$15.63 - $17.87
Q2 2025	43,578	$726	$16.45	$14.69 - $17.49
Q1 2025	43,578	$737	$16.76	$15.90 - $18.33
Q4 2024	46,578	$839	$16.91	$14.27 - $19.63
Q3 2024	46,578	$1,277	$13.65	$12.67 - $14.89
Q2 2024	46,578	$1,169	$13.17	$12.37 - $13.72
Q1 2024	47,378	$1,194	$10.98	$9.86 - $13.32
Q4 2023	53,958	$1,068	$9.95	$9.41 - $10.65
Q3 2023	60,708	$1,189	$10.78	$10.08 - $11.69
Q2 2023	61,458	$1,287	$10.43	$9.61 - $10.94
Q1 2023	62,458	$1,904	$10.70	$9.98 - $11.37
Q4 2022	63,758	$1,934	$10.27	$9.29 - $11.06
Q3 2022	68,758	$1,881	$10.02	$8.94 - $11.08
Q2 2022	68,558	$1,850	$9.15	$8.51 - $9.69
Q1 2022	68,758	$1,833	$9.45	$8.60 - $10.74
Q4 2021	70,108	$2,162	$9.99	$9.15 - $10.63
Q3 2021	70,108	$2,080	$10.53	$9.83 - $11.13
Q2 2021	70,108	$2,198	$10.95	$10.22 - $11.62
Q1 2021	70,108	$2,217	$9.46	$8.38 - $10.66
Q4 2020	70,158	$1,848	$8.05	$7.18 - $8.74
Q3 2020	70,158	$1,579	$7.32	$6.58 - $8.03
Q2 2020	72,703	$1,612	$7.03	$5.94 - $8.01
Q1 2020	95,703	$2,058	$8.83	$4.81 - $10.26
Q4 2019	104,703	$3,111	$9.10	$8.60 - $9.50
Q3 2019	115,916	$3,268	$8.44	$7.93 - $9.12
Q2 2019	120,366	$3,106	$7.99	$7.59 - $8.30
Q1 2019	133,946	$3,460	$7.90	$7.22 - $8.40
Q4 2018	158,775	$3,785	$7.88	$7.03 - $8.27
Q3 2018	173,134	$4,448	$8.58	$7.77 - $9.02
Q2 2018	181,184	$5,196	$8.49	$8.18 - $8.87
Q1 2018	184,734	$5,202	$8.03	$7.29 - $8.53
Q4 2017	186,484	$5,012	$8.04	$7.71 - $8.41
Q3 2017	191,406	$4,967	$7.77	$7.44 - $8.20
Q2 2017	194,706	$5,101	$7.92	$7.51 - $8.25
Q1 2017	208,546	$5,707	$8.03	$7.53 - $8.67
Q4 2016	210,203	$6,048	$7.89	$7.09 - $8.72
Q3 2016	214,810	$5,465	$6.91	$6.46 - $7.47
Q2 2016	216,515	$5,196	$6.12	$5.33 - $6.90
Q1 2016	175,600	$3,418	$5.02	$4.40 - $5.57
Q4 2015	177,988	$3,261	$5.10	$4.59 - $5.49
Q3 2015	184,188	$3,168	$4.95	$4.48 - $5.44
Q2 2015	184,938	$3,612	$5.79	$5.30 - $6.32
Q1 2015	181,170	$3,866	$6.06	$5.47 - $6.65
Q4 2014	114,420	$2,689	$6.84	$5.78 - $7.67
Q3 2014	110,265	$3,066	$8.38	$7.36 - $9.47
Q2 2014	96,252	$3,378	$9.15	$8.68 - $9.59
Q1 2014	102,992	$3,534	$8.65	$7.84 - $9.29
Q4 2013	106,847	$3,264	$7.80	$7.24 - $8.15
Q3 2013	175,616	$4,912	$7.25	$6.78 - $7.90
Q2 2013	180,916	$4,688	$6.58	$6.07 - $7.05