MDU RES GROUP INC

Ticker: MDU CUSIP: 552690109 Class: COM

Arizona State Retirement System's Holding History (CIK: 0001558481)

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

Q4 2025

Shares 54,274 Value ($000) $1,059 Avg Close $19.57 Range $17.31 - $21.34

Q3 2025

Shares 57,440 Value ($000) $1,023 Avg Close $16.46 Range $15.63 - $17.87

Q2 2025

Shares 56,650 Value ($000) $944 Avg Close $16.45 Range $14.69 - $17.49

Q1 2025

Shares 55,560 Value ($000) $940 Avg Close $16.76 Range $15.90 - $18.33

Q4 2024

Shares 56,214 Value ($000) $1,013 Avg Close $16.91 Range $14.27 - $19.63

Q3 2024

Shares 55,773 Value ($000) $1,529 Avg Close $13.65 Range $12.67 - $14.89

Q2 2024

Shares 54,173 Value ($000) $1,360 Avg Close $13.17 Range $12.37 - $13.72

Q1 2024

Shares 53,163 Value ($000) $1,340 Avg Close $10.98 Range $9.86 - $13.32

Q4 2023

Shares 54,076 Value ($000) $1,071 Avg Close $9.95 Range $9.41 - $10.65

Q3 2023

Shares 55,079 Value ($000) $1,078 Avg Close $10.78 Range $10.08 - $11.69

Q2 2023

Shares 54,334 Value ($000) $1,138 Avg Close $10.43 Range $9.61 - $10.94

Q1 2023

Shares 58,921 Value ($000) $1,796 Avg Close $10.70 Range $9.98 - $11.37

Q4 2022

Shares 57,381 Value ($000) $1,741 Avg Close $10.27 Range $9.29 - $11.06

Q3 2022

Shares 55,260 Value ($000) $1,511 Avg Close $10.02 Range $8.94 - $11.08

Q2 2022

Shares 55,108 Value ($000) $1,487 Avg Close $9.15 Range $8.51 - $9.69

Q1 2022

Shares 54,969 Value ($000) $1,465 Avg Close $9.45 Range $8.60 - $10.74

Q4 2021

Shares 54,484 Value ($000) $1,680 Avg Close $9.99 Range $9.15 - $10.63

Q3 2021

Shares 54,804 Value ($000) $1,626 Avg Close $10.53 Range $9.83 - $11.13

Q2 2021

Shares 54,507 Value ($000) $1,708 Avg Close $10.95 Range $10.22 - $11.62

Q1 2021

Shares 58,372 Value ($000) $1,845 Avg Close $9.46 Range $8.38 - $10.66

Q4 2020

Shares 58,152 Value ($000) $1,532 Avg Close $8.05 Range $7.18 - $8.74

Q3 2020

Shares 60,503 Value ($000) $1,361 Avg Close $7.32 Range $6.58 - $8.03

Q2 2020

Shares 45,229 Value ($000) $1,003 Avg Close $7.03 Range $5.94 - $8.01

Q1 2020

Shares 47,043 Value ($000) $1,011 Avg Close $8.83 Range $4.81 - $10.26

Q4 2019

Shares 113,632 Value ($000) $3,376 Avg Close $9.10 Range $8.60 - $9.50

Q3 2019

Shares 124,060 Value ($000) $3,497 Avg Close $8.44 Range $7.93 - $9.12

Q2 2019

Shares 143,764 Value ($000) $3,709 Avg Close $7.99 Range $7.59 - $8.30

Q1 2019

Shares 140,806 Value ($000) $3,637 Avg Close $7.90 Range $7.22 - $8.40

Q4 2018

Shares 140,690 Value ($000) $3,354 Avg Close $7.88 Range $7.03 - $8.27

Q3 2018

Shares 139,182 Value ($000) $3,576 Avg Close $8.58 Range $7.77 - $9.02

Q2 2018

Shares 135,595 Value ($000) $3,889 Avg Close $8.49 Range $8.18 - $8.87

Q1 2018

Shares 132,075 Value ($000) $3,719 Avg Close $8.03 Range $7.29 - $8.53

Q4 2017

Shares 140,575 Value ($000) $3,779 Avg Close $8.04 Range $7.71 - $8.41

Q3 2017

Shares 110,723 Value ($000) $2,873 Avg Close $7.77 Range $7.44 - $8.20

Q2 2017

Shares 82,300 Value ($000) $2,156 Avg Close $7.92 Range $7.51 - $8.25

Q1 2017

Shares 81,200 Value ($000) $2,222 Avg Close $8.03 Range $7.53 - $8.67

Q4 2016

Shares 75,400 Value ($000) $2,169 Avg Close $7.89 Range $7.09 - $8.72

Q3 2016

Shares 76,290 Value ($000) $1,941 Avg Close $6.91 Range $6.46 - $7.47

Q2 2016

Shares 76,290 Value ($000) $1,831 Avg Close $6.12 Range $5.33 - $6.90

Q1 2016

Shares 92,890 Value ($000) $1,808 Avg Close $5.02 Range $4.40 - $5.57

Q4 2015

Shares 92,690 Value ($000) $1,698 Avg Close $5.10 Range $4.59 - $5.49

Q3 2015

Shares 109,978 Value ($000) $1,892 Avg Close $4.95 Range $4.48 - $5.44

Q4 2014

Shares 157,184 Value ($000) $3,693 Avg Close $6.84 Range $5.78 - $7.67

Q3 2014

Shares 148,684 Value ($000) $4,134 Avg Close $8.38 Range $7.36 - $9.47

Q2 2014

Shares 151,184 Value ($000) $5,306 Avg Close $9.15 Range $8.68 - $9.59

Q1 2014

Shares 149,084 Value ($000) $5,115 Avg Close $8.65 Range $7.84 - $9.29

Q4 2013

Shares 163,884 Value ($000) $5,006 Avg Close $7.80 Range $7.24 - $8.15

Q3 2013

Shares 173,984 Value ($000) $4,866 Avg Close $7.25 Range $6.78 - $7.90

Q2 2013

Shares 173,584 Value ($000) $4,497 Avg Close $6.58 Range $6.07 - $7.05

Q1 2013

Shares 179,384 Value ($000) $4,482 Avg Close $6.06 Range $5.54 - $6.49

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	54,274	$1,059	$19.57	$17.31 - $21.34
Q3 2025	57,440	$1,023	$16.46	$15.63 - $17.87
Q2 2025	56,650	$944	$16.45	$14.69 - $17.49
Q1 2025	55,560	$940	$16.76	$15.90 - $18.33
Q4 2024	56,214	$1,013	$16.91	$14.27 - $19.63
Q3 2024	55,773	$1,529	$13.65	$12.67 - $14.89
Q2 2024	54,173	$1,360	$13.17	$12.37 - $13.72
Q1 2024	53,163	$1,340	$10.98	$9.86 - $13.32
Q4 2023	54,076	$1,071	$9.95	$9.41 - $10.65
Q3 2023	55,079	$1,078	$10.78	$10.08 - $11.69
Q2 2023	54,334	$1,138	$10.43	$9.61 - $10.94
Q1 2023	58,921	$1,796	$10.70	$9.98 - $11.37
Q4 2022	57,381	$1,741	$10.27	$9.29 - $11.06
Q3 2022	55,260	$1,511	$10.02	$8.94 - $11.08
Q2 2022	55,108	$1,487	$9.15	$8.51 - $9.69
Q1 2022	54,969	$1,465	$9.45	$8.60 - $10.74
Q4 2021	54,484	$1,680	$9.99	$9.15 - $10.63
Q3 2021	54,804	$1,626	$10.53	$9.83 - $11.13
Q2 2021	54,507	$1,708	$10.95	$10.22 - $11.62
Q1 2021	58,372	$1,845	$9.46	$8.38 - $10.66
Q4 2020	58,152	$1,532	$8.05	$7.18 - $8.74
Q3 2020	60,503	$1,361	$7.32	$6.58 - $8.03
Q2 2020	45,229	$1,003	$7.03	$5.94 - $8.01
Q1 2020	47,043	$1,011	$8.83	$4.81 - $10.26
Q4 2019	113,632	$3,376	$9.10	$8.60 - $9.50
Q3 2019	124,060	$3,497	$8.44	$7.93 - $9.12
Q2 2019	143,764	$3,709	$7.99	$7.59 - $8.30
Q1 2019	140,806	$3,637	$7.90	$7.22 - $8.40
Q4 2018	140,690	$3,354	$7.88	$7.03 - $8.27
Q3 2018	139,182	$3,576	$8.58	$7.77 - $9.02
Q2 2018	135,595	$3,889	$8.49	$8.18 - $8.87
Q1 2018	132,075	$3,719	$8.03	$7.29 - $8.53
Q4 2017	140,575	$3,779	$8.04	$7.71 - $8.41
Q3 2017	110,723	$2,873	$7.77	$7.44 - $8.20
Q2 2017	82,300	$2,156	$7.92	$7.51 - $8.25
Q1 2017	81,200	$2,222	$8.03	$7.53 - $8.67
Q4 2016	75,400	$2,169	$7.89	$7.09 - $8.72
Q3 2016	76,290	$1,941	$6.91	$6.46 - $7.47
Q2 2016	76,290	$1,831	$6.12	$5.33 - $6.90
Q1 2016	92,890	$1,808	$5.02	$4.40 - $5.57
Q4 2015	92,690	$1,698	$5.10	$4.59 - $5.49
Q3 2015	109,978	$1,892	$4.95	$4.48 - $5.44
Q4 2014	157,184	$3,693	$6.84	$5.78 - $7.67
Q3 2014	148,684	$4,134	$8.38	$7.36 - $9.47
Q2 2014	151,184	$5,306	$9.15	$8.68 - $9.59
Q1 2014	149,084	$5,115	$8.65	$7.84 - $9.29
Q4 2013	163,884	$5,006	$7.80	$7.24 - $8.15
Q3 2013	173,984	$4,866	$7.25	$6.78 - $7.90
Q2 2013	173,584	$4,497	$6.58	$6.07 - $7.05
Q1 2013	179,384	$4,482	$6.06	$5.54 - $6.49