MDU RES GROUP INC

Ticker: MDU CUSIP: 552690109 Class: COM

CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM's Holding History (CIK: 0000919079)

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

Q4 2025

Shares 427,518 Value ($000) $8,345 Avg Close $19.57 Range $17.31 - $21.34

Q3 2025

Shares 403,040 Value ($000) $7,178 Avg Close $16.46 Range $15.63 - $17.87

Q2 2025

Shares 467,759 Value ($000) $7,798 Avg Close $16.45 Range $14.69 - $17.49

Q1 2025

Shares 421,766 Value ($000) $7,132 Avg Close $16.76 Range $15.90 - $18.33

Q4 2024

Shares 402,451 Value ($000) $7,252 Avg Close $16.91 Range $14.27 - $19.63

Q3 2024

Shares 371,015 Value ($000) $10,170 Avg Close $13.65 Range $12.67 - $14.89

Q2 2024

Shares 333,051 Value ($000) $8,360 Avg Close $13.17 Range $12.37 - $13.72

Q1 2024

Shares 359,165 Value ($000) $9,051 Avg Close $10.98 Range $9.86 - $13.32

Q4 2023

Shares 363,210 Value ($000) $7,192 Avg Close $9.95 Range $9.41 - $10.65

Q3 2023

Shares 365,826 Value ($000) $7,163 Avg Close $10.78 Range $10.08 - $11.69

Q2 2023

Shares 351,169 Value ($000) $7,353 Avg Close $10.43 Range $9.61 - $10.94

Q1 2023

Shares 413,705 Value ($000) $12,610 Avg Close $10.70 Range $9.98 - $11.37

Q4 2022

Shares 479,693 Value ($000) $14,554 Avg Close $10.27 Range $9.29 - $11.06

Q3 2022

Shares 478,263 Value ($000) $13,080 Avg Close $10.02 Range $8.94 - $11.08

Q2 2022

Shares 351,665 Value ($000) $9,491 Avg Close $9.15 Range $8.51 - $9.69

Q1 2022

Shares 403,830 Value ($000) $10,762 Avg Close $9.45 Range $8.60 - $10.74

Q4 2021

Shares 446,993 Value ($000) $13,785 Avg Close $9.99 Range $9.15 - $10.63

Q3 2021

Shares 473,736 Value ($000) $14,056 Avg Close $10.53 Range $9.83 - $11.13

Q2 2021

Shares 482,784 Value ($000) $15,130 Avg Close $10.95 Range $10.22 - $11.62

Q1 2021

Shares 502,763 Value ($000) $15,892 Avg Close $9.46 Range $8.38 - $10.66

Q4 2020

Shares 500,843 Value ($000) $13,192 Avg Close $8.05 Range $7.18 - $8.74

Q3 2020

Shares 465,327 Value ($000) $10,470 Avg Close $7.32 Range $6.58 - $8.03

Q2 2020

Shares 454,710 Value ($000) $10,085 Avg Close $7.03 Range $5.94 - $8.01

Q1 2020

Shares 455,909 Value ($000) $9,802 Avg Close $8.83 Range $4.81 - $10.26

Q4 2019

Shares 444,709 Value ($000) $13,212 Avg Close $9.10 Range $8.60 - $9.50

Q3 2019

Shares 509,739 Value ($000) $14,370 Avg Close $8.44 Range $7.93 - $9.12

Q2 2019

Shares 441,555 Value ($000) $11,392 Avg Close $7.99 Range $7.59 - $8.30

Q1 2019

Shares 563,953 Value ($000) $14,567 Avg Close $7.90 Range $7.22 - $8.40

Q4 2018

Shares 528,182 Value ($000) $12,592 Avg Close $7.88 Range $7.03 - $8.27

Q3 2018

Shares 591,355 Value ($000) $15,192 Avg Close $8.58 Range $7.77 - $9.02

Q2 2018

Shares 572,860 Value ($000) $16,430 Avg Close $8.49 Range $8.18 - $8.87

Q1 2018

Shares 528,837 Value ($000) $14,892 Avg Close $8.03 Range $7.29 - $8.53

Q4 2017

Shares 523,390 Value ($000) $14,069 Avg Close $8.04 Range $7.71 - $8.41

Q3 2017

Shares 521,280 Value ($000) $13,527 Avg Close $7.77 Range $7.44 - $8.20

Q2 2017

Shares 528,916 Value ($000) $13,858 Avg Close $7.92 Range $7.51 - $8.25

Q1 2017

Shares 593,416 Value ($000) $16,242 Avg Close $8.03 Range $7.53 - $8.67

Q4 2016

Shares 596,116 Value ($000) $17,150 Avg Close $7.89 Range $7.09 - $8.72

Q3 2016

Shares 626,516 Value ($000) $15,939 Avg Close $6.91 Range $6.46 - $7.47

Q2 2016

Shares 650,616 Value ($000) $15,615 Avg Close $6.12 Range $5.33 - $6.90

Q1 2016

Shares 642,016 Value ($000) $12,494 Avg Close $5.02 Range $4.40 - $5.57

Q4 2015

Shares 599,616 Value ($000) $10,985 Avg Close $5.10 Range $4.59 - $5.49

Q3 2015

Shares 587,816 Value ($000) $10,110 Avg Close $4.95 Range $4.48 - $5.44

Q2 2015

Shares 583,916 Value ($000) $11,404 Avg Close $5.79 Range $5.30 - $6.32

Q1 2015

Shares 579,916 Value ($000) $13,419 Avg Close $6.06 Range $5.47 - $6.65

Q4 2014

Shares 579,916 Value ($000) $13,419 Avg Close $6.84 Range $5.78 - $7.67

Q3 2014

Shares 568,416 Value ($000) $15,808 Avg Close $8.38 Range $7.36 - $9.47

Q2 2014

Shares 579,016 Value ($000) $20,323 Avg Close $9.15 Range $8.68 - $9.59

Q1 2014

Shares 584,516 Value ($000) $20,259 Avg Close $8.65 Range $7.84 - $9.29

Q4 2013

Shares 599,816 Value ($000) $18,108 Avg Close $7.80 Range $7.24 - $8.15

Q3 2013

Shares 601,224 Value ($000) $16,816 Avg Close $7.25 Range $6.78 - $7.90

Q2 2013

Shares 595,275 Value ($000) $15,424 Avg Close $6.58 Range $6.07 - $7.05

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	427,518	$8,345	$19.57	$17.31 - $21.34
Q3 2025	403,040	$7,178	$16.46	$15.63 - $17.87
Q2 2025	467,759	$7,798	$16.45	$14.69 - $17.49
Q1 2025	421,766	$7,132	$16.76	$15.90 - $18.33
Q4 2024	402,451	$7,252	$16.91	$14.27 - $19.63
Q3 2024	371,015	$10,170	$13.65	$12.67 - $14.89
Q2 2024	333,051	$8,360	$13.17	$12.37 - $13.72
Q1 2024	359,165	$9,051	$10.98	$9.86 - $13.32
Q4 2023	363,210	$7,192	$9.95	$9.41 - $10.65
Q3 2023	365,826	$7,163	$10.78	$10.08 - $11.69
Q2 2023	351,169	$7,353	$10.43	$9.61 - $10.94
Q1 2023	413,705	$12,610	$10.70	$9.98 - $11.37
Q4 2022	479,693	$14,554	$10.27	$9.29 - $11.06
Q3 2022	478,263	$13,080	$10.02	$8.94 - $11.08
Q2 2022	351,665	$9,491	$9.15	$8.51 - $9.69
Q1 2022	403,830	$10,762	$9.45	$8.60 - $10.74
Q4 2021	446,993	$13,785	$9.99	$9.15 - $10.63
Q3 2021	473,736	$14,056	$10.53	$9.83 - $11.13
Q2 2021	482,784	$15,130	$10.95	$10.22 - $11.62
Q1 2021	502,763	$15,892	$9.46	$8.38 - $10.66
Q4 2020	500,843	$13,192	$8.05	$7.18 - $8.74
Q3 2020	465,327	$10,470	$7.32	$6.58 - $8.03
Q2 2020	454,710	$10,085	$7.03	$5.94 - $8.01
Q1 2020	455,909	$9,802	$8.83	$4.81 - $10.26
Q4 2019	444,709	$13,212	$9.10	$8.60 - $9.50
Q3 2019	509,739	$14,370	$8.44	$7.93 - $9.12
Q2 2019	441,555	$11,392	$7.99	$7.59 - $8.30
Q1 2019	563,953	$14,567	$7.90	$7.22 - $8.40
Q4 2018	528,182	$12,592	$7.88	$7.03 - $8.27
Q3 2018	591,355	$15,192	$8.58	$7.77 - $9.02
Q2 2018	572,860	$16,430	$8.49	$8.18 - $8.87
Q1 2018	528,837	$14,892	$8.03	$7.29 - $8.53
Q4 2017	523,390	$14,069	$8.04	$7.71 - $8.41
Q3 2017	521,280	$13,527	$7.77	$7.44 - $8.20
Q2 2017	528,916	$13,858	$7.92	$7.51 - $8.25
Q1 2017	593,416	$16,242	$8.03	$7.53 - $8.67
Q4 2016	596,116	$17,150	$7.89	$7.09 - $8.72
Q3 2016	626,516	$15,939	$6.91	$6.46 - $7.47
Q2 2016	650,616	$15,615	$6.12	$5.33 - $6.90
Q1 2016	642,016	$12,494	$5.02	$4.40 - $5.57
Q4 2015	599,616	$10,985	$5.10	$4.59 - $5.49
Q3 2015	587,816	$10,110	$4.95	$4.48 - $5.44
Q2 2015	583,916	$11,404	$5.79	$5.30 - $6.32
Q1 2015	579,916	$13,419	$6.06	$5.47 - $6.65
Q4 2014	579,916	$13,419	$6.84	$5.78 - $7.67
Q3 2014	568,416	$15,808	$8.38	$7.36 - $9.47
Q2 2014	579,016	$20,323	$9.15	$8.68 - $9.59
Q1 2014	584,516	$20,259	$8.65	$7.84 - $9.29
Q4 2013	599,816	$18,108	$7.80	$7.24 - $8.15
Q3 2013	601,224	$16,816	$7.25	$6.78 - $7.90
Q2 2013	595,275	$15,424	$6.58	$6.07 - $7.05