MDU RES GROUP INC

Ticker: MDU CUSIP: 552690109 Class: COM

NORTHERN TRUST CORP's Holding History (CIK: 0000073124)

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

Q4 2025

Shares 1,490,023 Value ($000) $29,085 Avg Close $19.57 Range $17.31 - $21.34

Q3 2025

Shares 1,584,328 Value ($000) $28,217 Avg Close $16.46 Range $15.63 - $17.87

Q2 2025

Shares 1,505,353 Value ($000) $25,094 Avg Close $16.45 Range $14.69 - $17.49

Q1 2025

Shares 1,576,402 Value ($000) $26,657 Avg Close $16.76 Range $15.90 - $18.33

Q4 2024

Shares 1,575,902 Value ($000) $28,398 Avg Close $16.91 Range $14.27 - $19.63

Q3 2024

Shares 1,625,814 Value ($000) $44,564 Avg Close $13.65 Range $12.67 - $14.89

Q2 2024

Shares 1,404,677 Value ($000) $35,257 Avg Close $13.17 Range $12.37 - $13.72

Q1 2024

Shares 1,260,938 Value ($000) $31,776 Avg Close $10.98 Range $9.86 - $13.32

Q4 2023

Shares 1,436,306 Value ($000) $28,439 Avg Close $9.95 Range $9.41 - $10.65

Q3 2023

Shares 1,407,496 Value ($000) $27,559 Avg Close $10.78 Range $10.08 - $11.69

Q2 2023

Shares 1,432,610 Value ($000) $29,999 Avg Close $10.43 Range $9.61 - $10.94

Q1 2023

Shares 1,491,566 Value ($000) $45,463 Avg Close $10.70 Range $9.98 - $11.37

Q4 2022

Shares 1,496,556 Value ($000) $45,406 Avg Close $10.27 Range $9.29 - $11.06

Q3 2022

Shares 1,629,365 Value ($000) $44,563 Avg Close $10.02 Range $8.94 - $11.08

Q2 2022

Shares 1,650,550 Value ($000) $44,549 Avg Close $9.15 Range $8.51 - $9.69

Q1 2022

Shares 1,548,385 Value ($000) $41,265 Avg Close $9.45 Range $8.60 - $10.74

Q4 2021

Shares 1,565,194 Value ($000) $48,271 Avg Close $9.99 Range $9.15 - $10.63

Q3 2021

Shares 1,871,990 Value ($000) $55,542 Avg Close $10.53 Range $9.83 - $11.13

Q2 2021

Shares 1,631,767 Value ($000) $51,140 Avg Close $10.95 Range $10.22 - $11.62

Q1 2021

Shares 1,712,918 Value ($000) $54,146 Avg Close $9.46 Range $8.38 - $10.66

Q4 2020

Shares 1,671,008 Value ($000) $44,014 Avg Close $8.05 Range $7.18 - $8.74

Q3 2020

Shares 1,704,939 Value ($000) $38,362 Avg Close $7.32 Range $6.58 - $8.03

Q2 2020

Shares 1,777,799 Value ($000) $39,432 Avg Close $7.03 Range $5.94 - $8.01

Q1 2020

Shares 1,743,918 Value ($000) $37,494 Avg Close $8.83 Range $4.81 - $10.26

Q4 2019

Shares 1,591,558 Value ($000) $47,286 Avg Close $9.10 Range $8.60 - $9.50

Q3 2019

Shares 1,544,007 Value ($000) $43,525 Avg Close $8.44 Range $7.93 - $9.12

Q2 2019

Shares 1,574,904 Value ($000) $40,633 Avg Close $7.99 Range $7.59 - $8.30

Q1 2019

Shares 1,573,318 Value ($000) $40,638 Avg Close $7.90 Range $7.22 - $8.40

Q4 2018

Shares 1,624,284 Value ($000) $38,723 Avg Close $7.88 Range $7.03 - $8.27

Q3 2018

Shares 1,521,003 Value ($000) $39,075 Avg Close $8.58 Range $7.77 - $9.02

Q2 2018

Shares 1,522,457 Value ($000) $43,664 Avg Close $8.49 Range $8.18 - $8.87

Q1 2018

Shares 1,541,683 Value ($000) $43,414 Avg Close $8.03 Range $7.29 - $8.53

Q4 2017

Shares 1,567,646 Value ($000) $42,138 Avg Close $8.04 Range $7.71 - $8.41

Q3 2017

Shares 1,591,066 Value ($000) $41,287 Avg Close $7.77 Range $7.44 - $8.20

Q2 2017

Shares 1,646,904 Value ($000) $43,149 Avg Close $7.92 Range $7.51 - $8.25

Q1 2017

Shares 1,660,475 Value ($000) $45,448 Avg Close $8.03 Range $7.53 - $8.67

Q4 2016

Shares 1,612,412 Value ($000) $46,390 Avg Close $7.89 Range $7.09 - $8.72

Q3 2016

Shares 1,689,427 Value ($000) $42,978 Avg Close $6.91 Range $6.46 - $7.47

Q2 2016

Shares 1,534,416 Value ($000) $36,827 Avg Close $6.12 Range $5.33 - $6.90

Q1 2016

Shares 1,516,779 Value ($000) $29,454 Avg Close $5.02 Range $4.40 - $5.57

Q4 2015

Shares 1,489,365 Value ($000) $27,285 Avg Close $5.10 Range $4.59 - $5.49

Q3 2015

Shares 1,829,507 Value ($000) $31,466 Avg Close $4.95 Range $4.48 - $5.44

Q2 2015

Shares 1,847,700 Value ($000) $36,085 Avg Close $5.79 Range $5.30 - $6.32

Q1 2015

Shares 1,949,207 Value ($000) $41,597 Avg Close $6.06 Range $5.47 - $6.65

Q4 2014

Shares 1,902,578 Value ($000) $44,711 Avg Close $6.84 Range $5.78 - $7.67

Q3 2014

Shares 1,906,642 Value ($000) $53,024 Avg Close $8.38 Range $7.36 - $9.47

Q2 2014

Shares 1,964,830 Value ($000) $68,966 Avg Close $9.15 Range $8.68 - $9.59

Q1 2014

Shares 1,871,207 Value ($000) $64,201 Avg Close $8.65 Range $7.84 - $9.29

Q4 2013

Shares 1,973,409 Value ($000) $60,287 Avg Close $7.80 Range $7.24 - $8.15

Q3 2013

Shares 1,960,830 Value ($000) $54,845 Avg Close $7.25 Range $6.78 - $7.90

Q2 2013

Shares 1,961,488 Value ($000) $50,822 Avg Close $6.58 Range $6.07 - $7.05

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	1,490,023	$29,085	$19.57	$17.31 - $21.34
Q3 2025	1,584,328	$28,217	$16.46	$15.63 - $17.87
Q2 2025	1,505,353	$25,094	$16.45	$14.69 - $17.49
Q1 2025	1,576,402	$26,657	$16.76	$15.90 - $18.33
Q4 2024	1,575,902	$28,398	$16.91	$14.27 - $19.63
Q3 2024	1,625,814	$44,564	$13.65	$12.67 - $14.89
Q2 2024	1,404,677	$35,257	$13.17	$12.37 - $13.72
Q1 2024	1,260,938	$31,776	$10.98	$9.86 - $13.32
Q4 2023	1,436,306	$28,439	$9.95	$9.41 - $10.65
Q3 2023	1,407,496	$27,559	$10.78	$10.08 - $11.69
Q2 2023	1,432,610	$29,999	$10.43	$9.61 - $10.94
Q1 2023	1,491,566	$45,463	$10.70	$9.98 - $11.37
Q4 2022	1,496,556	$45,406	$10.27	$9.29 - $11.06
Q3 2022	1,629,365	$44,563	$10.02	$8.94 - $11.08
Q2 2022	1,650,550	$44,549	$9.15	$8.51 - $9.69
Q1 2022	1,548,385	$41,265	$9.45	$8.60 - $10.74
Q4 2021	1,565,194	$48,271	$9.99	$9.15 - $10.63
Q3 2021	1,871,990	$55,542	$10.53	$9.83 - $11.13
Q2 2021	1,631,767	$51,140	$10.95	$10.22 - $11.62
Q1 2021	1,712,918	$54,146	$9.46	$8.38 - $10.66
Q4 2020	1,671,008	$44,014	$8.05	$7.18 - $8.74
Q3 2020	1,704,939	$38,362	$7.32	$6.58 - $8.03
Q2 2020	1,777,799	$39,432	$7.03	$5.94 - $8.01
Q1 2020	1,743,918	$37,494	$8.83	$4.81 - $10.26
Q4 2019	1,591,558	$47,286	$9.10	$8.60 - $9.50
Q3 2019	1,544,007	$43,525	$8.44	$7.93 - $9.12
Q2 2019	1,574,904	$40,633	$7.99	$7.59 - $8.30
Q1 2019	1,573,318	$40,638	$7.90	$7.22 - $8.40
Q4 2018	1,624,284	$38,723	$7.88	$7.03 - $8.27
Q3 2018	1,521,003	$39,075	$8.58	$7.77 - $9.02
Q2 2018	1,522,457	$43,664	$8.49	$8.18 - $8.87
Q1 2018	1,541,683	$43,414	$8.03	$7.29 - $8.53
Q4 2017	1,567,646	$42,138	$8.04	$7.71 - $8.41
Q3 2017	1,591,066	$41,287	$7.77	$7.44 - $8.20
Q2 2017	1,646,904	$43,149	$7.92	$7.51 - $8.25
Q1 2017	1,660,475	$45,448	$8.03	$7.53 - $8.67
Q4 2016	1,612,412	$46,390	$7.89	$7.09 - $8.72
Q3 2016	1,689,427	$42,978	$6.91	$6.46 - $7.47
Q2 2016	1,534,416	$36,827	$6.12	$5.33 - $6.90
Q1 2016	1,516,779	$29,454	$5.02	$4.40 - $5.57
Q4 2015	1,489,365	$27,285	$5.10	$4.59 - $5.49
Q3 2015	1,829,507	$31,466	$4.95	$4.48 - $5.44
Q2 2015	1,847,700	$36,085	$5.79	$5.30 - $6.32
Q1 2015	1,949,207	$41,597	$6.06	$5.47 - $6.65
Q4 2014	1,902,578	$44,711	$6.84	$5.78 - $7.67
Q3 2014	1,906,642	$53,024	$8.38	$7.36 - $9.47
Q2 2014	1,964,830	$68,966	$9.15	$8.68 - $9.59
Q1 2014	1,871,207	$64,201	$8.65	$7.84 - $9.29
Q4 2013	1,973,409	$60,287	$7.80	$7.24 - $8.15
Q3 2013	1,960,830	$54,845	$7.25	$6.78 - $7.90
Q2 2013	1,961,488	$50,822	$6.58	$6.07 - $7.05