NORTHWESTERN CORP

Ticker: NWE CUSIP: 668074305 Class: EQTY

Asset Management One Co., Ltd.'s Holding History (CIK: 0001068855)

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

Q4 2024

Shares 1,373 Value ($000) $73 Avg Close $51.38 Range $48.17 - $54.22

Q4 2022

Shares 1,533 Value ($000) $92 Avg Close $46.84 Range $41.72 - $52.07

Q3 2022

Shares 14,379 Value ($000) $708 Avg Close $46.61 Range $42.04 - $51.24

Q1 2021

Shares 27,234 Value ($000) $1,775 Avg Close $47.20 Range $42.31 - $53.28

Q4 2020

Shares 23,556 Value ($000) $1,339 Avg Close $43.87 Range $37.97 - $49.46

Q3 2020

Shares 19,680 Value ($000) $957 Avg Close $41.40 Range $37.35 - $45.52

Q2 2020

Shares 16,325 Value ($000) $890 Avg Close $44.67 Range $39.68 - $50.33

Q1 2020

Shares 17,535 Value ($000) $1,049 Avg Close $54.52 Range $34.68 - $61.46

Q4 2019

Shares 14,079 Value ($000) $1,009 Avg Close $54.65 Range $51.50 - $57.67

Q3 2019

Shares 15,099 Value ($000) $1,134 Avg Close $54.27 Range $50.60 - $58.08

Q2 2019

Shares 21,265 Value ($000) $1,534 Avg Close $53.01 Range $50.21 - $55.53

Q1 2019

Shares 11,344 Value ($000) $799 Avg Close $48.59 Range $42.38 - $53.49

Q4 2018

Shares 11,347 Value ($000) $672 Avg Close $45.03 Range $41.21 - $48.18

Q3 2018

Shares 19,194 Value ($000) $1,104 Avg Close $43.15 Range $40.65 - $45.13

Q2 2018

Shares 19,567 Value ($000) $1,117 Avg Close $39.06 Range $37.03 - $41.93

Q1 2018

Shares 10,287 Value ($000) $553 Avg Close $37.69 Range $35.55 - $42.53

Q2 2017

Shares 30,500 Value ($000) $1,869 Avg Close $42.35 Range $40.29 - $44.62

Q1 2017

Shares 30,500 Value ($000) $1,795 Avg Close $39.52 Range $38.19 - $41.05

Q3 2016

Shares 7,100 Value ($000) $408 Avg Close $40.31 Range $38.22 - $43.00

Q4 2015

Shares 600 Value ($000) $33 Avg Close $35.84 Range $33.71 - $37.52

Q3 2015

Shares 600 Value ($000) $32 Avg Close $34.01 Range $31.66 - $36.90

Q3 2014

Shares 3,800 Value ($000) $172 Avg Close $30.29 Range $28.46 - $33.15

Q2 2014

Shares 3,800 Value ($000) $198 Avg Close $30.04 Range $28.38 - $33.02

Q1 2014

Shares 4,800 Value ($000) $228 Avg Close $27.98 Range $26.36 - $29.86

Q4 2013

Shares 6,200 Value ($000) $269 Avg Close $27.40 Range $25.54 - $28.91

Q3 2013

Shares 8,700 Value ($000) $391 Avg Close $25.46 Range $23.73 - $28.10

Q2 2013

Shares 8,700 Value ($000) $347 Avg Close $24.78 Range $23.14 - $25.97

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2024	1,373	$73	$51.38	$48.17 - $54.22
Q4 2022	1,533	$92	$46.84	$41.72 - $52.07
Q3 2022	14,379	$708	$46.61	$42.04 - $51.24
Q1 2021	27,234	$1,775	$47.20	$42.31 - $53.28
Q4 2020	23,556	$1,339	$43.87	$37.97 - $49.46
Q3 2020	19,680	$957	$41.40	$37.35 - $45.52
Q2 2020	16,325	$890	$44.67	$39.68 - $50.33
Q1 2020	17,535	$1,049	$54.52	$34.68 - $61.46
Q4 2019	14,079	$1,009	$54.65	$51.50 - $57.67
Q3 2019	15,099	$1,134	$54.27	$50.60 - $58.08
Q2 2019	21,265	$1,534	$53.01	$50.21 - $55.53
Q1 2019	11,344	$799	$48.59	$42.38 - $53.49
Q4 2018	11,347	$672	$45.03	$41.21 - $48.18
Q3 2018	19,194	$1,104	$43.15	$40.65 - $45.13
Q2 2018	19,567	$1,117	$39.06	$37.03 - $41.93
Q1 2018	10,287	$553	$37.69	$35.55 - $42.53
Q2 2017	30,500	$1,869	$42.35	$40.29 - $44.62
Q1 2017	30,500	$1,795	$39.52	$38.19 - $41.05
Q3 2016	7,100	$408	$40.31	$38.22 - $43.00
Q4 2015	600	$33	$35.84	$33.71 - $37.52
Q3 2015	600	$32	$34.01	$31.66 - $36.90
Q3 2014	3,800	$172	$30.29	$28.46 - $33.15
Q2 2014	3,800	$198	$30.04	$28.38 - $33.02
Q1 2014	4,800	$228	$27.98	$26.36 - $29.86
Q4 2013	6,200	$269	$27.40	$25.54 - $28.91
Q3 2013	8,700	$391	$25.46	$23.73 - $28.10
Q2 2013	8,700	$347	$24.78	$23.14 - $25.97