NORTHWESTERN CORP

Ticker: NWE CUSIP: 668074305 Class: EQTY

Voya Investment Management LLC's Holding History (CIK: 0001068837)

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

Q4 2025

Shares 25,820 Value ($000) $1,666 Avg Close $62.82 Range $56.07 - $68.56

Q3 2025

Shares 25,882 Value ($000) $1,517 Avg Close $54.14 Range $49.85 - $58.24

Q2 2025

Shares 345,896 Value ($000) $17,744 Avg Close $53.53 Range $49.39 - $57.89

Q1 2025

Shares 289,229 Value ($000) $16,738 Avg Close $52.06 Range $48.49 - $56.12

Q4 2024

Shares 209,237 Value ($000) $11,186 Avg Close $51.38 Range $48.17 - $54.22

Q3 2024

Shares 216,950 Value ($000) $12,414 Avg Close $49.89 Range $45.22 - $54.21

Q2 2024

Shares 190,949 Value ($000) $9,563 Avg Close $46.58 Range $43.68 - $48.79

Q1 2024

Shares 205,741 Value ($000) $10,478 Avg Close $44.40 Range $41.90 - $47.03

Q4 2023

Shares 198,994 Value ($000) $10,127 Avg Close $44.88 Range $41.24 - $48.79

Q3 2023

Shares 152,454 Value ($000) $7,327 Avg Close $47.33 Range $42.66 - $51.72

Q2 2023

Shares 85,371 Value ($000) $4,846 Avg Close $51.34 Range $48.87 - $53.67

Q1 2023

Shares 47,389 Value ($000) $2,742 Avg Close $49.59 Range $46.79 - $52.43

Q4 2022

Shares 51,935 Value ($000) $3,082 Avg Close $46.84 Range $41.72 - $52.07

Q3 2022

Shares 118,697 Value ($000) $5,849 Avg Close $46.61 Range $42.04 - $51.24

Q2 2022

Shares 60,511 Value ($000) $3,566 Avg Close $49.98 Range $45.98 - $52.83

Q1 2022

Shares 162,505 Value ($000) $9,830 Avg Close $48.63 Range $46.08 - $51.75

Q4 2021

Shares 88,213 Value ($000) $5,043 Avg Close $46.70 Range $43.99 - $49.52

Q3 2021

Shares 134,978 Value ($000) $7,735 Avg Close $50.51 Range $46.92 - $53.26

Q2 2021

Shares 153,114 Value ($000) $9,221 Avg Close $52.44 Range $48.13 - $56.92

Q1 2021

Shares 161,963 Value ($000) $10,560 Avg Close $47.20 Range $42.31 - $53.28

Q4 2020

Shares 201,651 Value ($000) $11,759 Avg Close $43.87 Range $37.97 - $49.46

Q3 2020

Shares 333,683 Value ($000) $16,231 Avg Close $41.40 Range $37.35 - $45.52

Q2 2020

Shares 344,914 Value ($000) $18,805 Avg Close $44.67 Range $39.68 - $50.33

Q1 2020

Shares 273,903 Value ($000) $16,388 Avg Close $54.52 Range $34.68 - $61.46

Q4 2019

Shares 298,062 Value ($000) $21,362 Avg Close $54.65 Range $51.50 - $57.67

Q3 2019

Shares 268,259 Value ($000) $20,133 Avg Close $54.27 Range $50.60 - $58.08

Q2 2019

Shares 253,975 Value ($000) $18,324 Avg Close $53.01 Range $50.21 - $55.53

Q1 2019

Shares 306,728 Value ($000) $21,597 Avg Close $48.59 Range $42.38 - $53.49

Q4 2018

Shares 302,390 Value ($000) $17,974 Avg Close $45.03 Range $41.21 - $48.18

Q3 2018

Shares 333,052 Value ($000) $19,537 Avg Close $43.15 Range $40.65 - $45.13

Q2 2018

Shares 404,743 Value ($000) $23,171 Avg Close $39.06 Range $37.03 - $41.93

Q1 2018

Shares 339,831 Value ($000) $18,283 Avg Close $37.69 Range $35.55 - $42.53

Q4 2017

Shares 247,652 Value ($000) $14,785 Avg Close $42.54 Range $39.78 - $45.45

Q3 2017

Shares 245,696 Value ($000) $13,990 Avg Close $41.74 Range $40.09 - $43.18

Q2 2017

Shares 215,302 Value ($000) $13,138 Avg Close $42.35 Range $40.29 - $44.62

Q1 2017

Shares 132,730 Value ($000) $7,791 Avg Close $39.52 Range $38.19 - $41.05

Q4 2016

Shares 20,075 Value ($000) $1,142 Avg Close $38.33 Range $36.64 - $40.23

Q3 2016

Shares 20,473 Value ($000) $1,178 Avg Close $40.31 Range $38.22 - $43.00

Q2 2016

Shares 25,234 Value ($000) $1,592 Avg Close $39.68 Range $37.02 - $42.70

Q1 2016

Shares 25,244 Value ($000) $1,559 Avg Close $38.33 Range $34.60 - $41.62

Q4 2015

Shares 22,986 Value ($000) $1,247 Avg Close $35.84 Range $33.71 - $37.52

Q3 2015

Shares 20,473 Value ($000) $1,102 Avg Close $34.01 Range $31.66 - $36.90

Q2 2015

Shares 25,824 Value ($000) $1,259 Avg Close $33.40 Range $31.54 - $35.25

Q1 2015

Shares 25,824 Value ($000) $1,389 Avg Close $35.30 Range $32.73 - $38.16

Q4 2014

Shares 25,824 Value ($000) $1,461 Avg Close $33.16 Range $28.63 - $37.51

Q3 2014

Shares 26,950 Value ($000) $1,222 Avg Close $30.29 Range $28.46 - $33.15

Q2 2014

Shares 26,950 Value ($000) $1,407 Avg Close $30.04 Range $28.38 - $33.02

Q1 2014

Shares 26,950 Value ($000) $1,278 Avg Close $27.98 Range $26.36 - $29.86

Q4 2013

Shares 26,950 Value ($000) $1,167 Avg Close $27.40 Range $25.54 - $28.91

Q3 2013

Shares 26,950 Value ($000) $1,211 Avg Close $25.46 Range $23.73 - $28.10

Q2 2013

Shares 26,950 Value ($000) $1,075 Avg Close $24.78 Range $23.14 - $25.97

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	25,820	$1,666	$62.82	$56.07 - $68.56
Q3 2025	25,882	$1,517	$54.14	$49.85 - $58.24
Q2 2025	345,896	$17,744	$53.53	$49.39 - $57.89
Q1 2025	289,229	$16,738	$52.06	$48.49 - $56.12
Q4 2024	209,237	$11,186	$51.38	$48.17 - $54.22
Q3 2024	216,950	$12,414	$49.89	$45.22 - $54.21
Q2 2024	190,949	$9,563	$46.58	$43.68 - $48.79
Q1 2024	205,741	$10,478	$44.40	$41.90 - $47.03
Q4 2023	198,994	$10,127	$44.88	$41.24 - $48.79
Q3 2023	152,454	$7,327	$47.33	$42.66 - $51.72
Q2 2023	85,371	$4,846	$51.34	$48.87 - $53.67
Q1 2023	47,389	$2,742	$49.59	$46.79 - $52.43
Q4 2022	51,935	$3,082	$46.84	$41.72 - $52.07
Q3 2022	118,697	$5,849	$46.61	$42.04 - $51.24
Q2 2022	60,511	$3,566	$49.98	$45.98 - $52.83
Q1 2022	162,505	$9,830	$48.63	$46.08 - $51.75
Q4 2021	88,213	$5,043	$46.70	$43.99 - $49.52
Q3 2021	134,978	$7,735	$50.51	$46.92 - $53.26
Q2 2021	153,114	$9,221	$52.44	$48.13 - $56.92
Q1 2021	161,963	$10,560	$47.20	$42.31 - $53.28
Q4 2020	201,651	$11,759	$43.87	$37.97 - $49.46
Q3 2020	333,683	$16,231	$41.40	$37.35 - $45.52
Q2 2020	344,914	$18,805	$44.67	$39.68 - $50.33
Q1 2020	273,903	$16,388	$54.52	$34.68 - $61.46
Q4 2019	298,062	$21,362	$54.65	$51.50 - $57.67
Q3 2019	268,259	$20,133	$54.27	$50.60 - $58.08
Q2 2019	253,975	$18,324	$53.01	$50.21 - $55.53
Q1 2019	306,728	$21,597	$48.59	$42.38 - $53.49
Q4 2018	302,390	$17,974	$45.03	$41.21 - $48.18
Q3 2018	333,052	$19,537	$43.15	$40.65 - $45.13
Q2 2018	404,743	$23,171	$39.06	$37.03 - $41.93
Q1 2018	339,831	$18,283	$37.69	$35.55 - $42.53
Q4 2017	247,652	$14,785	$42.54	$39.78 - $45.45
Q3 2017	245,696	$13,990	$41.74	$40.09 - $43.18
Q2 2017	215,302	$13,138	$42.35	$40.29 - $44.62
Q1 2017	132,730	$7,791	$39.52	$38.19 - $41.05
Q4 2016	20,075	$1,142	$38.33	$36.64 - $40.23
Q3 2016	20,473	$1,178	$40.31	$38.22 - $43.00
Q2 2016	25,234	$1,592	$39.68	$37.02 - $42.70
Q1 2016	25,244	$1,559	$38.33	$34.60 - $41.62
Q4 2015	22,986	$1,247	$35.84	$33.71 - $37.52
Q3 2015	20,473	$1,102	$34.01	$31.66 - $36.90
Q2 2015	25,824	$1,259	$33.40	$31.54 - $35.25
Q1 2015	25,824	$1,389	$35.30	$32.73 - $38.16
Q4 2014	25,824	$1,461	$33.16	$28.63 - $37.51
Q3 2014	26,950	$1,222	$30.29	$28.46 - $33.15
Q2 2014	26,950	$1,407	$30.04	$28.38 - $33.02
Q1 2014	26,950	$1,278	$27.98	$26.36 - $29.86
Q4 2013	26,950	$1,167	$27.40	$25.54 - $28.91
Q3 2013	26,950	$1,211	$25.46	$23.73 - $28.10
Q2 2013	26,950	$1,075	$24.78	$23.14 - $25.97