MDU RES GROUP INC

Ticker: MDU CUSIP: 552690109 Class: COM

Aperio Group, LLC's Holding History (CIK: 0001364615)

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

Q4 2020

Shares 43,090 Value ($000) $1,135 Avg Close $8.05 Range $7.18 - $8.74

Q3 2020

Shares 48,531 Value ($000) $1,092 Avg Close $7.32 Range $6.58 - $8.03

Q2 2020

Shares 45,758 Value ($000) $1,015 Avg Close $7.03 Range $5.94 - $8.01

Q1 2020

Shares 59,287 Value ($000) $1,275 Avg Close $8.83 Range $4.81 - $10.26

Q4 2019

Shares 61,248 Value ($000) $1,820 Avg Close $9.10 Range $8.60 - $9.50

Q3 2019

Shares 59,566 Value ($000) $1,679 Avg Close $8.44 Range $7.93 - $9.12

Q2 2019

Shares 56,491 Value ($000) $1,457 Avg Close $7.99 Range $7.59 - $8.30

Q1 2019

Shares 69,186 Value ($000) $1,787 Avg Close $7.90 Range $7.22 - $8.40

Q4 2018

Shares 56,237 Value ($000) $1,341 Avg Close $7.88 Range $7.03 - $8.27

Q3 2018

Shares 53,177 Value ($000) $1,366 Avg Close $8.58 Range $7.77 - $9.02

Q2 2018

Shares 49,413 Value ($000) $1,417 Avg Close $8.49 Range $8.18 - $8.87

Q1 2018

Shares 41,764 Value ($000) $1,176 Avg Close $8.03 Range $7.29 - $8.53

Q4 2017

Shares 47,453 Value ($000) $1,276 Avg Close $8.04 Range $7.71 - $8.41

Q3 2017

Shares 49,238 Value ($000) $1,278 Avg Close $7.77 Range $7.44 - $8.20

Q2 2017

Shares 50,106 Value ($000) $1,313 Avg Close $7.92 Range $7.51 - $8.25

Q1 2017

Shares 48,221 Value ($000) $1,320 Avg Close $8.03 Range $7.53 - $8.67

Q4 2016

Shares 46,556 Value ($000) $1,339 Avg Close $7.89 Range $7.09 - $8.72

Q3 2016

Shares 53,922 Value ($000) $1,372 Avg Close $6.91 Range $6.46 - $7.47

Q2 2016

Shares 55,884 Value ($000) $1,341 Avg Close $6.12 Range $5.33 - $6.90

Q1 2016

Shares 51,466 Value ($000) $1,002 Avg Close $5.02 Range $4.40 - $5.57

Q4 2015

Shares 78,216 Value ($000) $1,433 Avg Close $5.10 Range $4.59 - $5.49

Q3 2015

Shares 87,990 Value ($000) $1,513 Avg Close $4.95 Range $4.48 - $5.44

Q2 2015

Shares 83,917 Value ($000) $1,639 Avg Close $5.79 Range $5.30 - $6.32

Q1 2015

Shares 72,838 Value ($000) $1,554 Avg Close $6.06 Range $5.47 - $6.65

Q4 2014

Shares 41,761 Value ($000) $981 Avg Close $6.84 Range $5.78 - $7.67

Q3 2014

Shares 40,957 Value ($000) $1,139 Avg Close $8.38 Range $7.36 - $9.47

Q2 2014

Shares 38,432 Value ($000) $1,349 Avg Close $9.15 Range $8.68 - $9.59

Q1 2014

Shares 38,024 Value ($000) $1,305 Avg Close $8.65 Range $7.84 - $9.29

Q4 2013

Shares 28,353 Value ($000) $866 Avg Close $7.80 Range $7.24 - $8.15

Q3 2013

Shares 24,587 Value ($000) $688 Avg Close $7.25 Range $6.78 - $7.90

Q2 2013

Shares 20,609 Value ($000) $534 Avg Close $6.58 Range $6.07 - $7.05

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2020	43,090	$1,135	$8.05	$7.18 - $8.74
Q3 2020	48,531	$1,092	$7.32	$6.58 - $8.03
Q2 2020	45,758	$1,015	$7.03	$5.94 - $8.01
Q1 2020	59,287	$1,275	$8.83	$4.81 - $10.26
Q4 2019	61,248	$1,820	$9.10	$8.60 - $9.50
Q3 2019	59,566	$1,679	$8.44	$7.93 - $9.12
Q2 2019	56,491	$1,457	$7.99	$7.59 - $8.30
Q1 2019	69,186	$1,787	$7.90	$7.22 - $8.40
Q4 2018	56,237	$1,341	$7.88	$7.03 - $8.27
Q3 2018	53,177	$1,366	$8.58	$7.77 - $9.02
Q2 2018	49,413	$1,417	$8.49	$8.18 - $8.87
Q1 2018	41,764	$1,176	$8.03	$7.29 - $8.53
Q4 2017	47,453	$1,276	$8.04	$7.71 - $8.41
Q3 2017	49,238	$1,278	$7.77	$7.44 - $8.20
Q2 2017	50,106	$1,313	$7.92	$7.51 - $8.25
Q1 2017	48,221	$1,320	$8.03	$7.53 - $8.67
Q4 2016	46,556	$1,339	$7.89	$7.09 - $8.72
Q3 2016	53,922	$1,372	$6.91	$6.46 - $7.47
Q2 2016	55,884	$1,341	$6.12	$5.33 - $6.90
Q1 2016	51,466	$1,002	$5.02	$4.40 - $5.57
Q4 2015	78,216	$1,433	$5.10	$4.59 - $5.49
Q3 2015	87,990	$1,513	$4.95	$4.48 - $5.44
Q2 2015	83,917	$1,639	$5.79	$5.30 - $6.32
Q1 2015	72,838	$1,554	$6.06	$5.47 - $6.65
Q4 2014	41,761	$981	$6.84	$5.78 - $7.67
Q3 2014	40,957	$1,139	$8.38	$7.36 - $9.47
Q2 2014	38,432	$1,349	$9.15	$8.68 - $9.59
Q1 2014	38,024	$1,305	$8.65	$7.84 - $9.29
Q4 2013	28,353	$866	$7.80	$7.24 - $8.15
Q3 2013	24,587	$688	$7.25	$6.78 - $7.90
Q2 2013	20,609	$534	$6.58	$6.07 - $7.05