MDU RES GROUP INC

Ticker: MDU CUSIP: 552690109 Class: COM

MUTUAL OF AMERICA CAPITAL MANAGEMENT LLC's Holding History (CIK: 0000922127)

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

Q4 2025

Shares 23,354 Value ($000) $456 Avg Close $19.57 Range $17.31 - $21.34

Q3 2025

Shares 22,888 Value ($000) $408 Avg Close $16.46 Range $15.63 - $17.87

Q2 2025

Shares 26,248 Value ($000) $438 Avg Close $16.45 Range $14.69 - $17.49

Q1 2025

Shares 29,690 Value ($000) $502 Avg Close $16.76 Range $15.90 - $18.33

Q4 2024

Shares 30,885 Value ($000) $557 Avg Close $16.91 Range $14.27 - $19.63

Q3 2024

Shares 110,192 Value ($000) $3,020 Avg Close $13.65 Range $12.67 - $14.89

Q2 2024

Shares 116,737 Value ($000) $2,930 Avg Close $13.17 Range $12.37 - $13.72

Q1 2024

Shares 121,336 Value ($000) $3,058 Avg Close $10.98 Range $9.86 - $13.32

Q4 2023

Shares 125,843 Value ($000) $2,492 Avg Close $9.95 Range $9.41 - $10.65

Q3 2023

Shares 132,381 Value ($000) $2,592 Avg Close $10.78 Range $10.08 - $11.69

Q2 2023

Shares 147,973 Value ($000) $3,099 Avg Close $10.43 Range $9.61 - $10.94

Q1 2023

Shares 163,595 Value ($000) $4,986 Avg Close $10.70 Range $9.98 - $11.37

Q4 2022

Shares 167,030 Value ($000) $5,068 Avg Close $10.27 Range $9.29 - $11.06

Q3 2022

Shares 163,357 Value ($000) $4,468 Avg Close $10.02 Range $8.94 - $11.08

Q2 2022

Shares 170,035 Value ($000) $4,589 Avg Close $9.15 Range $8.51 - $9.69

Q1 2022

Shares 185,437 Value ($000) $4,942 Avg Close $9.45 Range $8.60 - $10.74

Q4 2021

Shares 181,861 Value ($000) $5,609 Avg Close $9.99 Range $9.15 - $10.63

Q3 2021

Shares 178,451 Value ($000) $5,295 Avg Close $10.53 Range $9.83 - $11.13

Q2 2021

Shares 178,975 Value ($000) $5,609 Avg Close $10.95 Range $10.22 - $11.62

Q1 2021

Shares 181,322 Value ($000) $5,732 Avg Close $9.46 Range $8.38 - $10.66

Q4 2020

Shares 187,731 Value ($000) $4,945 Avg Close $8.05 Range $7.18 - $8.74

Q3 2020

Shares 188,004 Value ($000) $4,230 Avg Close $7.32 Range $6.58 - $8.03

Q2 2020

Shares 185,671 Value ($000) $4,118 Avg Close $7.03 Range $5.94 - $8.01

Q1 2020

Shares 186,556 Value ($000) $4,011 Avg Close $8.83 Range $4.81 - $10.26

Q4 2019

Shares 179,690 Value ($000) $5,339 Avg Close $9.10 Range $8.60 - $9.50

Q3 2019

Shares 177,611 Value ($000) $5,007 Avg Close $8.44 Range $7.93 - $9.12

Q2 2019

Shares 174,214 Value ($000) $4,494 Avg Close $7.99 Range $7.59 - $8.30

Q1 2019

Shares 172,844 Value ($000) $4,465 Avg Close $7.90 Range $7.22 - $8.40

Q4 2018

Shares 170,346 Value ($000) $4,061 Avg Close $7.88 Range $7.03 - $8.27

Q3 2018

Shares 167,266 Value ($000) $4,297 Avg Close $8.58 Range $7.77 - $9.02

Q2 2018

Shares 167,866 Value ($000) $4,814 Avg Close $8.49 Range $8.18 - $8.87

Q1 2018

Shares 161,130 Value ($000) $4,537 Avg Close $8.03 Range $7.29 - $8.53

Q4 2017

Shares 159,634 Value ($000) $4,291 Avg Close $8.04 Range $7.71 - $8.41

Q3 2017

Shares 158,169 Value ($000) $4,104 Avg Close $7.77 Range $7.44 - $8.20

Q2 2017

Shares 157,646 Value ($000) $4,130 Avg Close $7.92 Range $7.51 - $8.25

Q1 2017

Shares 156,111 Value ($000) $4,273 Avg Close $8.03 Range $7.53 - $8.67

Q4 2016

Shares 151,158 Value ($000) $4,349 Avg Close $7.89 Range $7.09 - $8.72

Q3 2016

Shares 148,244 Value ($000) $3,771 Avg Close $6.91 Range $6.46 - $7.47

Q2 2016

Shares 145,891 Value ($000) $3,501 Avg Close $6.12 Range $5.33 - $6.90

Q1 2016

Shares 133,867 Value ($000) $2,605 Avg Close $5.02 Range $4.40 - $5.57

Q4 2015

Shares 131,708 Value ($000) $2,413 Avg Close $5.10 Range $4.59 - $5.49

Q3 2015

Shares 129,787 Value ($000) $2,232 Avg Close $4.95 Range $4.48 - $5.44

Q2 2015

Shares 125,463 Value ($000) $2,450 Avg Close $5.79 Range $5.30 - $6.32

Q1 2015

Shares 124,464 Value ($000) $2,656 Avg Close $6.06 Range $5.47 - $6.65

Q4 2014

Shares 122,441 Value ($000) $2,877 Avg Close $6.84 Range $5.78 - $7.67

Q3 2014

Shares 120,619 Value ($000) $3,354 Avg Close $8.38 Range $7.36 - $9.47

Q2 2014

Shares 118,492 Value ($000) $4,159 Avg Close $9.15 Range $8.68 - $9.59

Q1 2014

Shares 117,695 Value ($000) $4,038 Avg Close $8.65 Range $7.84 - $9.29

Q4 2013

Shares 113,781 Value ($000) $3,476 Avg Close $7.80 Range $7.24 - $8.15

Q3 2013

Shares 113,079 Value ($000) $3,163 Avg Close $7.25 Range $6.78 - $7.90

Q2 2013

Shares 112,397 Value ($000) $2,912 Avg Close $6.58 Range $6.07 - $7.05

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	23,354	$456	$19.57	$17.31 - $21.34
Q3 2025	22,888	$408	$16.46	$15.63 - $17.87
Q2 2025	26,248	$438	$16.45	$14.69 - $17.49
Q1 2025	29,690	$502	$16.76	$15.90 - $18.33
Q4 2024	30,885	$557	$16.91	$14.27 - $19.63
Q3 2024	110,192	$3,020	$13.65	$12.67 - $14.89
Q2 2024	116,737	$2,930	$13.17	$12.37 - $13.72
Q1 2024	121,336	$3,058	$10.98	$9.86 - $13.32
Q4 2023	125,843	$2,492	$9.95	$9.41 - $10.65
Q3 2023	132,381	$2,592	$10.78	$10.08 - $11.69
Q2 2023	147,973	$3,099	$10.43	$9.61 - $10.94
Q1 2023	163,595	$4,986	$10.70	$9.98 - $11.37
Q4 2022	167,030	$5,068	$10.27	$9.29 - $11.06
Q3 2022	163,357	$4,468	$10.02	$8.94 - $11.08
Q2 2022	170,035	$4,589	$9.15	$8.51 - $9.69
Q1 2022	185,437	$4,942	$9.45	$8.60 - $10.74
Q4 2021	181,861	$5,609	$9.99	$9.15 - $10.63
Q3 2021	178,451	$5,295	$10.53	$9.83 - $11.13
Q2 2021	178,975	$5,609	$10.95	$10.22 - $11.62
Q1 2021	181,322	$5,732	$9.46	$8.38 - $10.66
Q4 2020	187,731	$4,945	$8.05	$7.18 - $8.74
Q3 2020	188,004	$4,230	$7.32	$6.58 - $8.03
Q2 2020	185,671	$4,118	$7.03	$5.94 - $8.01
Q1 2020	186,556	$4,011	$8.83	$4.81 - $10.26
Q4 2019	179,690	$5,339	$9.10	$8.60 - $9.50
Q3 2019	177,611	$5,007	$8.44	$7.93 - $9.12
Q2 2019	174,214	$4,494	$7.99	$7.59 - $8.30
Q1 2019	172,844	$4,465	$7.90	$7.22 - $8.40
Q4 2018	170,346	$4,061	$7.88	$7.03 - $8.27
Q3 2018	167,266	$4,297	$8.58	$7.77 - $9.02
Q2 2018	167,866	$4,814	$8.49	$8.18 - $8.87
Q1 2018	161,130	$4,537	$8.03	$7.29 - $8.53
Q4 2017	159,634	$4,291	$8.04	$7.71 - $8.41
Q3 2017	158,169	$4,104	$7.77	$7.44 - $8.20
Q2 2017	157,646	$4,130	$7.92	$7.51 - $8.25
Q1 2017	156,111	$4,273	$8.03	$7.53 - $8.67
Q4 2016	151,158	$4,349	$7.89	$7.09 - $8.72
Q3 2016	148,244	$3,771	$6.91	$6.46 - $7.47
Q2 2016	145,891	$3,501	$6.12	$5.33 - $6.90
Q1 2016	133,867	$2,605	$5.02	$4.40 - $5.57
Q4 2015	131,708	$2,413	$5.10	$4.59 - $5.49
Q3 2015	129,787	$2,232	$4.95	$4.48 - $5.44
Q2 2015	125,463	$2,450	$5.79	$5.30 - $6.32
Q1 2015	124,464	$2,656	$6.06	$5.47 - $6.65
Q4 2014	122,441	$2,877	$6.84	$5.78 - $7.67
Q3 2014	120,619	$3,354	$8.38	$7.36 - $9.47
Q2 2014	118,492	$4,159	$9.15	$8.68 - $9.59
Q1 2014	117,695	$4,038	$8.65	$7.84 - $9.29
Q4 2013	113,781	$3,476	$7.80	$7.24 - $8.15
Q3 2013	113,079	$3,163	$7.25	$6.78 - $7.90
Q2 2013	112,397	$2,912	$6.58	$6.07 - $7.05