NORTHWESTERN CORP

Ticker: NWE CUSIP: 668074305 Class: EQTY

CHARLES SCHWAB INVESTMENT MANAGEMENT INC's Holding History (CIK: 0000884546)

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

Q4 2025

Shares 807,138 Value ($000) $52,093 Avg Close $62.82 Range $56.07 - $68.56

Q3 2025

Shares 838,789 Value ($000) $49,161 Avg Close $54.14 Range $49.85 - $58.24

Q2 2025

Shares 855,050 Value ($000) $43,864 Avg Close $53.53 Range $49.39 - $57.89

Q1 2025

Shares 880,998 Value ($000) $50,983 Avg Close $52.06 Range $48.49 - $56.12

Q4 2024

Shares 879,762 Value ($000) $47,032 Avg Close $51.38 Range $48.17 - $54.22

Q3 2024

Shares 848,294 Value ($000) $48,539 Avg Close $49.89 Range $45.22 - $54.21

Q2 2024

Shares 828,752 Value ($000) $41,504 Avg Close $46.58 Range $43.68 - $48.79

Q1 2024

Shares 800,907 Value ($000) $40,790 Avg Close $44.40 Range $41.90 - $47.03

Q4 2023

Shares 768,577 Value ($000) $39,113 Avg Close $44.88 Range $41.24 - $48.79

Q3 2023

Shares 737,477 Value ($000) $35,443 Avg Close $47.33 Range $42.66 - $51.72

Q2 2023

Shares 713,679 Value ($000) $40,508 Avg Close $51.34 Range $48.87 - $53.67

Q1 2023

Shares 694,375 Value ($000) $40,177 Avg Close $49.59 Range $46.79 - $52.43

Q4 2022

Shares 685,583 Value ($000) $40,682 Avg Close $46.84 Range $41.72 - $52.07

Q3 2022

Shares 665,439 Value ($000) $32,793 Avg Close $46.61 Range $42.04 - $51.24

Q2 2022

Shares 626,850 Value ($000) $36,941 Avg Close $49.98 Range $45.98 - $52.83

Q1 2022

Shares 607,989 Value ($000) $36,778 Avg Close $48.63 Range $46.08 - $51.75

Q4 2021

Shares 575,490 Value ($000) $32,896 Avg Close $46.70 Range $43.99 - $49.52

Q3 2021

Shares 538,102 Value ($000) $30,834 Avg Close $50.51 Range $46.92 - $53.26

Q2 2021

Shares 512,781 Value ($000) $30,880 Avg Close $52.44 Range $48.13 - $56.92

Q1 2021

Shares 486,390 Value ($000) $31,713 Avg Close $47.20 Range $42.31 - $53.28

Q4 2020

Shares 472,146 Value ($000) $27,531 Avg Close $43.87 Range $37.97 - $49.46

Q3 2020

Shares 462,055 Value ($000) $22,475 Avg Close $41.40 Range $37.35 - $45.52

Q2 2020

Shares 465,543 Value ($000) $25,382 Avg Close $44.67 Range $39.68 - $50.33

Q1 2020

Shares 472,993 Value ($000) $28,300 Avg Close $54.52 Range $34.68 - $61.46

Q4 2019

Shares 440,998 Value ($000) $31,607 Avg Close $54.65 Range $51.50 - $57.67

Q3 2019

Shares 428,739 Value ($000) $32,177 Avg Close $54.27 Range $50.60 - $58.08

Q2 2019

Shares 421,367 Value ($000) $30,402 Avg Close $53.01 Range $50.21 - $55.53

Q1 2019

Shares 429,676 Value ($000) $30,254 Avg Close $48.59 Range $42.38 - $53.49

Q4 2018

Shares 411,827 Value ($000) $24,479 Avg Close $45.03 Range $41.21 - $48.18

Q3 2018

Shares 452,886 Value ($000) $26,567 Avg Close $43.15 Range $40.65 - $45.13

Q2 2018

Shares 386,325 Value ($000) $22,118 Avg Close $39.06 Range $37.03 - $41.93

Q1 2018

Shares 347,915 Value ($000) $18,718 Avg Close $37.69 Range $35.55 - $42.53

Q4 2017

Shares 322,392 Value ($000) $19,247 Avg Close $42.54 Range $39.78 - $45.45

Q3 2017

Shares 306,615 Value ($000) $17,459 Avg Close $41.74 Range $40.09 - $43.18

Q2 2017

Shares 284,172 Value ($000) $17,341 Avg Close $42.35 Range $40.29 - $44.62

Q1 2017

Shares 270,444 Value ($000) $15,876 Avg Close $39.52 Range $38.19 - $41.05

Q4 2016

Shares 264,292 Value ($000) $15,031 Avg Close $38.33 Range $36.64 - $40.23

Q3 2016

Shares 251,122 Value ($000) $14,448 Avg Close $40.31 Range $38.22 - $43.00

Q2 2016

Shares 237,048 Value ($000) $14,951 Avg Close $39.68 Range $37.02 - $42.70

Q1 2016

Shares 225,916 Value ($000) $13,951 Avg Close $38.33 Range $34.60 - $41.62

Q4 2015

Shares 204,609 Value ($000) $11,101 Avg Close $35.84 Range $33.71 - $37.52

Q3 2015

Shares 196,262 Value ($000) $10,565 Avg Close $34.01 Range $31.66 - $36.90

Q2 2015

Shares 189,414 Value ($000) $9,234 Avg Close $33.40 Range $31.54 - $35.25

Q1 2015

Shares 175,818 Value ($000) $9,458 Avg Close $35.30 Range $32.73 - $38.16

Q4 2014

Shares 156,053 Value ($000) $8,830 Avg Close $33.16 Range $28.63 - $37.51

Q3 2014

Shares 139,877 Value ($000) $6,345 Avg Close $30.29 Range $28.46 - $33.15

Q2 2014

Shares 137,590 Value ($000) $7,181 Avg Close $30.04 Range $28.38 - $33.02

Q1 2014

Shares 133,013 Value ($000) $6,309 Avg Close $27.98 Range $26.36 - $29.86

Q4 2013

Shares 122,334 Value ($000) $5,300 Avg Close $27.40 Range $25.54 - $28.91

Q3 2013

Shares 116,901 Value ($000) $5,276 Avg Close $25.46 Range $23.73 - $28.10

Q2 2013

Shares 111,924 Value ($000) $4,429 Avg Close $24.78 Range $23.14 - $25.97

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	807,138	$52,093	$62.82	$56.07 - $68.56
Q3 2025	838,789	$49,161	$54.14	$49.85 - $58.24
Q2 2025	855,050	$43,864	$53.53	$49.39 - $57.89
Q1 2025	880,998	$50,983	$52.06	$48.49 - $56.12
Q4 2024	879,762	$47,032	$51.38	$48.17 - $54.22
Q3 2024	848,294	$48,539	$49.89	$45.22 - $54.21
Q2 2024	828,752	$41,504	$46.58	$43.68 - $48.79
Q1 2024	800,907	$40,790	$44.40	$41.90 - $47.03
Q4 2023	768,577	$39,113	$44.88	$41.24 - $48.79
Q3 2023	737,477	$35,443	$47.33	$42.66 - $51.72
Q2 2023	713,679	$40,508	$51.34	$48.87 - $53.67
Q1 2023	694,375	$40,177	$49.59	$46.79 - $52.43
Q4 2022	685,583	$40,682	$46.84	$41.72 - $52.07
Q3 2022	665,439	$32,793	$46.61	$42.04 - $51.24
Q2 2022	626,850	$36,941	$49.98	$45.98 - $52.83
Q1 2022	607,989	$36,778	$48.63	$46.08 - $51.75
Q4 2021	575,490	$32,896	$46.70	$43.99 - $49.52
Q3 2021	538,102	$30,834	$50.51	$46.92 - $53.26
Q2 2021	512,781	$30,880	$52.44	$48.13 - $56.92
Q1 2021	486,390	$31,713	$47.20	$42.31 - $53.28
Q4 2020	472,146	$27,531	$43.87	$37.97 - $49.46
Q3 2020	462,055	$22,475	$41.40	$37.35 - $45.52
Q2 2020	465,543	$25,382	$44.67	$39.68 - $50.33
Q1 2020	472,993	$28,300	$54.52	$34.68 - $61.46
Q4 2019	440,998	$31,607	$54.65	$51.50 - $57.67
Q3 2019	428,739	$32,177	$54.27	$50.60 - $58.08
Q2 2019	421,367	$30,402	$53.01	$50.21 - $55.53
Q1 2019	429,676	$30,254	$48.59	$42.38 - $53.49
Q4 2018	411,827	$24,479	$45.03	$41.21 - $48.18
Q3 2018	452,886	$26,567	$43.15	$40.65 - $45.13
Q2 2018	386,325	$22,118	$39.06	$37.03 - $41.93
Q1 2018	347,915	$18,718	$37.69	$35.55 - $42.53
Q4 2017	322,392	$19,247	$42.54	$39.78 - $45.45
Q3 2017	306,615	$17,459	$41.74	$40.09 - $43.18
Q2 2017	284,172	$17,341	$42.35	$40.29 - $44.62
Q1 2017	270,444	$15,876	$39.52	$38.19 - $41.05
Q4 2016	264,292	$15,031	$38.33	$36.64 - $40.23
Q3 2016	251,122	$14,448	$40.31	$38.22 - $43.00
Q2 2016	237,048	$14,951	$39.68	$37.02 - $42.70
Q1 2016	225,916	$13,951	$38.33	$34.60 - $41.62
Q4 2015	204,609	$11,101	$35.84	$33.71 - $37.52
Q3 2015	196,262	$10,565	$34.01	$31.66 - $36.90
Q2 2015	189,414	$9,234	$33.40	$31.54 - $35.25
Q1 2015	175,818	$9,458	$35.30	$32.73 - $38.16
Q4 2014	156,053	$8,830	$33.16	$28.63 - $37.51
Q3 2014	139,877	$6,345	$30.29	$28.46 - $33.15
Q2 2014	137,590	$7,181	$30.04	$28.38 - $33.02
Q1 2014	133,013	$6,309	$27.98	$26.36 - $29.86
Q4 2013	122,334	$5,300	$27.40	$25.54 - $28.91
Q3 2013	116,901	$5,276	$25.46	$23.73 - $28.10
Q2 2013	111,924	$4,429	$24.78	$23.14 - $25.97