NORTHWESTERN CORP

Ticker: NWE CUSIP: 668074305 Class: EQTY

D. E. Shaw & Co., Inc.'s Holding History (CIK: 0001009207)

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

Q4 2025

Shares 14,751 Value ($000) $952 Avg Close $62.82 Range $56.07 - $68.56

Q2 2025

Shares 7,950 Value ($000) $408 Avg Close $53.53 Range $49.39 - $57.89

Q3 2024

Shares 16,034 Value ($000) $917 Avg Close $49.89 Range $45.22 - $54.21

Q3 2023

Shares 11,409 Value ($000) $548 Avg Close $47.33 Range $42.66 - $51.72

Q1 2023

Shares 9,449 Value ($000) $547 Avg Close $49.59 Range $46.79 - $52.43

Q3 2022

Shares 30,602 Value ($000) $1,508 Avg Close $46.61 Range $42.04 - $51.24

Q4 2020

Shares 51,196 Value ($000) $2,985 Avg Close $43.87 Range $37.97 - $49.46

Q3 2020

Shares 106,174 Value ($000) $5,164 Avg Close $41.40 Range $37.35 - $45.52

Q2 2020

Shares 28,896 Value ($000) $1,575 Avg Close $44.67 Range $39.68 - $50.33

Q1 2018

Shares 8,149 Value ($000) $438 Avg Close $37.69 Range $35.55 - $42.53

Q4 2017

Shares 25,386 Value ($000) $1,516 Avg Close $42.54 Range $39.78 - $45.45

Q3 2017

Shares 68,809 Value ($000) $3,918 Avg Close $41.74 Range $40.09 - $43.18

Q2 2017

Shares 20,924 Value ($000) $1,277 Avg Close $42.35 Range $40.29 - $44.62

Q1 2017

Shares 64,772 Value ($000) $3,802 Avg Close $39.52 Range $38.19 - $41.05

Q4 2016

Shares 59,186 Value ($000) $3,366 Avg Close $38.33 Range $36.64 - $40.23

Q3 2016

Shares 38,230 Value ($000) $2,199 Avg Close $40.31 Range $38.22 - $43.00

Q2 2016

Shares 49,175 Value ($000) $3,102 Avg Close $39.68 Range $37.02 - $42.70

Q1 2016

Shares 83,072 Value ($000) $5,130 Avg Close $38.33 Range $34.60 - $41.62

Q4 2015

Shares 36,965 Value ($000) $2,005 Avg Close $35.84 Range $33.71 - $37.52

Q3 2015

Shares 7,179 Value ($000) $386 Avg Close $34.01 Range $31.66 - $36.90

Q1 2015

Shares 11,794 Value ($000) $634 Avg Close $35.30 Range $32.73 - $38.16

Q4 2014

Shares 31,271 Value ($000) $1,769 Avg Close $33.16 Range $28.63 - $37.51

Q3 2014

Shares 60,470 Value ($000) $2,743 Avg Close $30.29 Range $28.46 - $33.15

Q2 2014

Shares 70,907 Value ($000) $3,701 Avg Close $30.04 Range $28.38 - $33.02

Q1 2014

Shares 95,220 Value ($000) $4,517 Avg Close $27.98 Range $26.36 - $29.86

Q4 2013

Shares 103,161 Value ($000) $4,469 Avg Close $27.40 Range $25.54 - $28.91

Q3 2013

Shares 213,364 Value ($000) $9,585 Avg Close $25.46 Range $23.73 - $28.10

Q2 2013

Shares 136,642 Value ($000) $5,452 Avg Close $24.78 Range $23.14 - $25.97

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	14,751	$952	$62.82	$56.07 - $68.56
Q2 2025	7,950	$408	$53.53	$49.39 - $57.89
Q3 2024	16,034	$917	$49.89	$45.22 - $54.21
Q3 2023	11,409	$548	$47.33	$42.66 - $51.72
Q1 2023	9,449	$547	$49.59	$46.79 - $52.43
Q3 2022	30,602	$1,508	$46.61	$42.04 - $51.24
Q4 2020	51,196	$2,985	$43.87	$37.97 - $49.46
Q3 2020	106,174	$5,164	$41.40	$37.35 - $45.52
Q2 2020	28,896	$1,575	$44.67	$39.68 - $50.33
Q1 2018	8,149	$438	$37.69	$35.55 - $42.53
Q4 2017	25,386	$1,516	$42.54	$39.78 - $45.45
Q3 2017	68,809	$3,918	$41.74	$40.09 - $43.18
Q2 2017	20,924	$1,277	$42.35	$40.29 - $44.62
Q1 2017	64,772	$3,802	$39.52	$38.19 - $41.05
Q4 2016	59,186	$3,366	$38.33	$36.64 - $40.23
Q3 2016	38,230	$2,199	$40.31	$38.22 - $43.00
Q2 2016	49,175	$3,102	$39.68	$37.02 - $42.70
Q1 2016	83,072	$5,130	$38.33	$34.60 - $41.62
Q4 2015	36,965	$2,005	$35.84	$33.71 - $37.52
Q3 2015	7,179	$386	$34.01	$31.66 - $36.90
Q1 2015	11,794	$634	$35.30	$32.73 - $38.16
Q4 2014	31,271	$1,769	$33.16	$28.63 - $37.51
Q3 2014	60,470	$2,743	$30.29	$28.46 - $33.15
Q2 2014	70,907	$3,701	$30.04	$28.38 - $33.02
Q1 2014	95,220	$4,517	$27.98	$26.36 - $29.86
Q4 2013	103,161	$4,469	$27.40	$25.54 - $28.91
Q3 2013	213,364	$9,585	$25.46	$23.73 - $28.10
Q2 2013	136,642	$5,452	$24.78	$23.14 - $25.97