MDU RES GROUP INC

Ticker: MDU CUSIP: 552690109 Class: COM

Ameritas Investment Partners, Inc.'s Holding History (CIK: 0001055980)

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

Q4 2025

Shares 195 Value ($000) $4 Avg Close $19.57 Range $17.31 - $21.34

Q3 2025

Shares 193 Value ($000) $3 Avg Close $16.46 Range $15.63 - $17.87

Q2 2025

Shares 192 Value ($000) $3 Avg Close $16.45 Range $14.69 - $17.49

Q1 2025

Shares 190 Value ($000) $3 Avg Close $16.76 Range $15.90 - $18.33

Q4 2024

Shares 189 Value ($000) $3 Avg Close $16.91 Range $14.27 - $19.63

Q3 2024

Shares 42,018 Value ($000) $1,152 Avg Close $13.65 Range $12.67 - $14.89

Q2 2024

Shares 43,554 Value ($000) $1,093 Avg Close $13.17 Range $12.37 - $13.72

Q1 2024

Shares 45,048 Value ($000) $1,135 Avg Close $10.98 Range $9.86 - $13.32

Q4 2023

Shares 45,708 Value ($000) $905 Avg Close $9.95 Range $9.41 - $10.65

Q3 2023

Shares 54,655 Value ($000) $1,070 Avg Close $10.78 Range $10.08 - $11.69

Q2 2023

Shares 102,443 Value ($000) $2,145 Avg Close $10.43 Range $9.61 - $10.94

Q1 2023

Shares 103,099 Value ($000) $3,142 Avg Close $10.70 Range $9.98 - $11.37

Q4 2022

Shares 102,262 Value ($000) $3,101 Avg Close $10.27 Range $9.29 - $11.06

Q3 2022

Shares 95,668 Value ($000) $2,615 Avg Close $10.02 Range $8.94 - $11.08

Q2 2022

Shares 95,204 Value ($000) $2,568 Avg Close $9.15 Range $8.51 - $9.69

Q1 2022

Shares 94,823 Value ($000) $2,526 Avg Close $9.45 Range $8.60 - $10.74

Q4 2021

Shares 93,981 Value ($000) $2,897 Avg Close $9.99 Range $9.15 - $10.63

Q3 2021

Shares 87,231 Value ($000) $2,587 Avg Close $10.53 Range $9.83 - $11.13

Q2 2021

Shares 87,704 Value ($000) $2,747 Avg Close $10.95 Range $10.22 - $11.62

Q1 2021

Shares 92,341 Value ($000) $2,746 Avg Close $9.46 Range $8.38 - $10.66

Q4 2020

Shares 92,276 Value ($000) $2,430 Avg Close $8.05 Range $7.18 - $8.74

Q3 2020

Shares 93,803 Value ($000) $2,109 Avg Close $7.32 Range $6.58 - $8.03

Q2 2020

Shares 94,091 Value ($000) $2,087 Avg Close $7.03 Range $5.94 - $8.01

Q1 2020

Shares 87,590 Value ($000) $1,882 Avg Close $8.83 Range $4.81 - $10.26

Q4 2019

Shares 80,789 Value ($000) $2,399 Avg Close $9.10 Range $8.60 - $9.50

Q3 2019

Shares 87,749 Value ($000) $2,472 Avg Close $8.44 Range $7.93 - $9.12

Q2 2019

Shares 89,072 Value ($000) $2,297 Avg Close $7.99 Range $7.59 - $8.30

Q1 2019

Shares 88,927 Value ($000) $2,296 Avg Close $7.90 Range $7.22 - $8.40

Q4 2018

Shares 87,857 Value ($000) $2,093 Avg Close $7.88 Range $7.03 - $8.27

Q3 2018

Shares 84,357 Value ($000) $2,167 Avg Close $8.58 Range $7.77 - $9.02

Q2 2018

Shares 84,357 Value ($000) $2,417 Avg Close $8.49 Range $8.18 - $8.87

Q1 2018

Shares 85,445 Value ($000) $2,406 Avg Close $8.03 Range $7.29 - $8.53

Q4 2017

Shares 80,255 Value ($000) $2,295 Avg Close $8.04 Range $7.71 - $8.41

Q3 2017

Shares 80,090 Value ($000) $2,141 Avg Close $7.77 Range $7.44 - $8.20

Q2 2017

Shares 77,945 Value ($000) $2,041 Avg Close $7.92 Range $7.51 - $8.25

Q1 2017

Shares 77,073 Value ($000) $2,109 Avg Close $8.03 Range $7.53 - $8.67

Q4 2016

Shares 78,355 Value ($000) $2,254 Avg Close $7.89 Range $7.09 - $8.72

Q3 2016

Shares 78,355 Value ($000) $1,993 Avg Close $6.91 Range $6.46 - $7.47

Q2 2016

Shares 30,881 Value ($000) $741 Avg Close $6.12 Range $5.33 - $6.90

Q1 2016

Shares 29,227 Value ($000) $569 Avg Close $5.02 Range $4.40 - $5.57

Q4 2015

Shares 29,227 Value ($000) $535 Avg Close $5.10 Range $4.59 - $5.49

Q3 2015

Shares 29,227 Value ($000) $503 Avg Close $4.95 Range $4.48 - $5.44

Q2 2015

Shares 29,227 Value ($000) $571 Avg Close $5.79 Range $5.30 - $6.32

Q1 2015

Shares 29,227 Value ($000) $624 Avg Close $6.06 Range $5.47 - $6.65

Q4 2014

Shares 28,534 Value ($000) $671 Avg Close $6.84 Range $5.78 - $7.67

Q3 2014

Shares 28,534 Value ($000) $794 Avg Close $8.38 Range $7.36 - $9.47

Q2 2014

Shares 28,534 Value ($000) $1,002 Avg Close $9.15 Range $8.68 - $9.59

Q1 2014

Shares 28,898 Value ($000) $991 Avg Close $8.65 Range $7.84 - $9.29

Q4 2013

Shares 29,930 Value ($000) $914 Avg Close $7.80 Range $7.24 - $8.15

Q3 2013

Shares 29,930 Value ($000) $837 Avg Close $7.25 Range $6.78 - $7.90

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	195	$4	$19.57	$17.31 - $21.34
Q3 2025	193	$3	$16.46	$15.63 - $17.87
Q2 2025	192	$3	$16.45	$14.69 - $17.49
Q1 2025	190	$3	$16.76	$15.90 - $18.33
Q4 2024	189	$3	$16.91	$14.27 - $19.63
Q3 2024	42,018	$1,152	$13.65	$12.67 - $14.89
Q2 2024	43,554	$1,093	$13.17	$12.37 - $13.72
Q1 2024	45,048	$1,135	$10.98	$9.86 - $13.32
Q4 2023	45,708	$905	$9.95	$9.41 - $10.65
Q3 2023	54,655	$1,070	$10.78	$10.08 - $11.69
Q2 2023	102,443	$2,145	$10.43	$9.61 - $10.94
Q1 2023	103,099	$3,142	$10.70	$9.98 - $11.37
Q4 2022	102,262	$3,101	$10.27	$9.29 - $11.06
Q3 2022	95,668	$2,615	$10.02	$8.94 - $11.08
Q2 2022	95,204	$2,568	$9.15	$8.51 - $9.69
Q1 2022	94,823	$2,526	$9.45	$8.60 - $10.74
Q4 2021	93,981	$2,897	$9.99	$9.15 - $10.63
Q3 2021	87,231	$2,587	$10.53	$9.83 - $11.13
Q2 2021	87,704	$2,747	$10.95	$10.22 - $11.62
Q1 2021	92,341	$2,746	$9.46	$8.38 - $10.66
Q4 2020	92,276	$2,430	$8.05	$7.18 - $8.74
Q3 2020	93,803	$2,109	$7.32	$6.58 - $8.03
Q2 2020	94,091	$2,087	$7.03	$5.94 - $8.01
Q1 2020	87,590	$1,882	$8.83	$4.81 - $10.26
Q4 2019	80,789	$2,399	$9.10	$8.60 - $9.50
Q3 2019	87,749	$2,472	$8.44	$7.93 - $9.12
Q2 2019	89,072	$2,297	$7.99	$7.59 - $8.30
Q1 2019	88,927	$2,296	$7.90	$7.22 - $8.40
Q4 2018	87,857	$2,093	$7.88	$7.03 - $8.27
Q3 2018	84,357	$2,167	$8.58	$7.77 - $9.02
Q2 2018	84,357	$2,417	$8.49	$8.18 - $8.87
Q1 2018	85,445	$2,406	$8.03	$7.29 - $8.53
Q4 2017	80,255	$2,295	$8.04	$7.71 - $8.41
Q3 2017	80,090	$2,141	$7.77	$7.44 - $8.20
Q2 2017	77,945	$2,041	$7.92	$7.51 - $8.25
Q1 2017	77,073	$2,109	$8.03	$7.53 - $8.67
Q4 2016	78,355	$2,254	$7.89	$7.09 - $8.72
Q3 2016	78,355	$1,993	$6.91	$6.46 - $7.47
Q2 2016	30,881	$741	$6.12	$5.33 - $6.90
Q1 2016	29,227	$569	$5.02	$4.40 - $5.57
Q4 2015	29,227	$535	$5.10	$4.59 - $5.49
Q3 2015	29,227	$503	$4.95	$4.48 - $5.44
Q2 2015	29,227	$571	$5.79	$5.30 - $6.32
Q1 2015	29,227	$624	$6.06	$5.47 - $6.65
Q4 2014	28,534	$671	$6.84	$5.78 - $7.67
Q3 2014	28,534	$794	$8.38	$7.36 - $9.47
Q2 2014	28,534	$1,002	$9.15	$8.68 - $9.59
Q1 2014	28,898	$991	$8.65	$7.84 - $9.29
Q4 2013	29,930	$914	$7.80	$7.24 - $8.15
Q3 2013	29,930	$837	$7.25	$6.78 - $7.90