NORTHWESTERN CORP

Ticker: NWE CUSIP: 668074305 Class: EQTY

GATEWAY INVESTMENT ADVISERS LLC's Holding History (CIK: 0001114618)

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

Q1 2024

Shares 18,141 Value ($000) $924 Avg Close $44.40 Range $41.90 - $47.03

Q4 2023

Shares 18,141 Value ($000) $923 Avg Close $44.88 Range $41.24 - $48.79

Q3 2023

Shares 18,071 Value ($000) $868 Avg Close $47.33 Range $42.66 - $51.72

Q2 2023

Shares 18,071 Value ($000) $1,026 Avg Close $51.34 Range $48.87 - $53.67

Q1 2023

Shares 18,071 Value ($000) $1,046 Avg Close $49.59 Range $46.79 - $52.43

Q4 2022

Shares 18,071 Value ($000) $1,072 Avg Close $46.84 Range $41.72 - $52.07

Q3 2022

Shares 18,071 Value ($000) $891 Avg Close $46.61 Range $42.04 - $51.24

Q2 2022

Shares 18,071 Value ($000) $1,065 Avg Close $49.98 Range $45.98 - $52.83

Q1 2022

Shares 17,996 Value ($000) $1,089 Avg Close $48.63 Range $46.08 - $51.75

Q4 2021

Shares 17,916 Value ($000) $1,024 Avg Close $46.70 Range $43.99 - $49.52

Q3 2021

Shares 17,916 Value ($000) $1,027 Avg Close $50.51 Range $46.92 - $53.26

Q2 2021

Shares 18,390 Value ($000) $1,107 Avg Close $52.44 Range $48.13 - $56.92

Q1 2021

Shares 18,879 Value ($000) $1,231 Avg Close $47.20 Range $42.31 - $53.28

Q4 2020

Shares 17,916 Value ($000) $1,045 Avg Close $43.87 Range $37.97 - $49.46

Q3 2020

Shares 17,916 Value ($000) $871 Avg Close $41.40 Range $37.35 - $45.52

Q2 2020

Shares 17,916 Value ($000) $977 Avg Close $44.67 Range $39.68 - $50.33

Q1 2020

Shares 17,916 Value ($000) $1,072 Avg Close $54.52 Range $34.68 - $61.46

Q4 2019

Shares 17,916 Value ($000) $1,284 Avg Close $54.65 Range $51.50 - $57.67

Q3 2019

Shares 17,916 Value ($000) $1,345 Avg Close $54.27 Range $50.60 - $58.08

Q2 2019

Shares 17,916 Value ($000) $1,293 Avg Close $53.01 Range $50.21 - $55.53

Q1 2019

Shares 17,916 Value ($000) $1,261 Avg Close $48.59 Range $42.38 - $53.49

Q4 2018

Shares 17,916 Value ($000) $1,065 Avg Close $45.03 Range $41.21 - $48.18

Q3 2018

Shares 17,916 Value ($000) $1,051 Avg Close $43.15 Range $40.65 - $45.13

Q2 2018

Shares 17,983 Value ($000) $1,030 Avg Close $39.06 Range $37.03 - $41.93

Q1 2018

Shares 19,463 Value ($000) $1,047 Avg Close $37.69 Range $35.55 - $42.53

Q4 2017

Shares 19,463 Value ($000) $1,162 Avg Close $42.54 Range $39.78 - $45.45

Q3 2017

Shares 19,496 Value ($000) $1,110 Avg Close $41.74 Range $40.09 - $43.18

Q2 2017

Shares 19,496 Value ($000) $1,190 Avg Close $42.35 Range $40.29 - $44.62

Q1 2017

Shares 19,496 Value ($000) $1,144 Avg Close $39.52 Range $38.19 - $41.05

Q4 2016

Shares 19,496 Value ($000) $1,109 Avg Close $38.33 Range $36.64 - $40.23

Q3 2016

Shares 19,496 Value ($000) $1,122 Avg Close $40.31 Range $38.22 - $43.00

Q2 2016

Shares 19,496 Value ($000) $1,230 Avg Close $39.68 Range $37.02 - $42.70

Q1 2016

Shares 19,496 Value ($000) $1,204 Avg Close $38.33 Range $34.60 - $41.62

Q4 2015

Shares 19,496 Value ($000) $1,058 Avg Close $35.84 Range $33.71 - $37.52

Q3 2015

Shares 19,664 Value ($000) $1,059 Avg Close $34.01 Range $31.66 - $36.90

Q2 2015

Shares 16,399 Value ($000) $799 Avg Close $33.40 Range $31.54 - $35.25

Q1 2015

Shares 16,399 Value ($000) $882 Avg Close $35.30 Range $32.73 - $38.16

Q4 2014

Shares 16,399 Value ($000) $928 Avg Close $33.16 Range $28.63 - $37.51

Q3 2014

Shares 16,399 Value ($000) $744 Avg Close $30.29 Range $28.46 - $33.15

Q2 2014

Shares 16,399 Value ($000) $856 Avg Close $30.04 Range $28.38 - $33.02

Q1 2014

Shares 16,513 Value ($000) $783 Avg Close $27.98 Range $26.36 - $29.86

Q4 2013

Shares 16,513 Value ($000) $715 Avg Close $27.40 Range $25.54 - $28.91

Q3 2013

Shares 16,931 Value ($000) $761 Avg Close $25.46 Range $23.73 - $28.10

Q2 2013

Shares 16,931 Value ($000) $676 Avg Close $24.78 Range $23.14 - $25.97

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2024	18,141	$924	$44.40	$41.90 - $47.03
Q4 2023	18,141	$923	$44.88	$41.24 - $48.79
Q3 2023	18,071	$868	$47.33	$42.66 - $51.72
Q2 2023	18,071	$1,026	$51.34	$48.87 - $53.67
Q1 2023	18,071	$1,046	$49.59	$46.79 - $52.43
Q4 2022	18,071	$1,072	$46.84	$41.72 - $52.07
Q3 2022	18,071	$891	$46.61	$42.04 - $51.24
Q2 2022	18,071	$1,065	$49.98	$45.98 - $52.83
Q1 2022	17,996	$1,089	$48.63	$46.08 - $51.75
Q4 2021	17,916	$1,024	$46.70	$43.99 - $49.52
Q3 2021	17,916	$1,027	$50.51	$46.92 - $53.26
Q2 2021	18,390	$1,107	$52.44	$48.13 - $56.92
Q1 2021	18,879	$1,231	$47.20	$42.31 - $53.28
Q4 2020	17,916	$1,045	$43.87	$37.97 - $49.46
Q3 2020	17,916	$871	$41.40	$37.35 - $45.52
Q2 2020	17,916	$977	$44.67	$39.68 - $50.33
Q1 2020	17,916	$1,072	$54.52	$34.68 - $61.46
Q4 2019	17,916	$1,284	$54.65	$51.50 - $57.67
Q3 2019	17,916	$1,345	$54.27	$50.60 - $58.08
Q2 2019	17,916	$1,293	$53.01	$50.21 - $55.53
Q1 2019	17,916	$1,261	$48.59	$42.38 - $53.49
Q4 2018	17,916	$1,065	$45.03	$41.21 - $48.18
Q3 2018	17,916	$1,051	$43.15	$40.65 - $45.13
Q2 2018	17,983	$1,030	$39.06	$37.03 - $41.93
Q1 2018	19,463	$1,047	$37.69	$35.55 - $42.53
Q4 2017	19,463	$1,162	$42.54	$39.78 - $45.45
Q3 2017	19,496	$1,110	$41.74	$40.09 - $43.18
Q2 2017	19,496	$1,190	$42.35	$40.29 - $44.62
Q1 2017	19,496	$1,144	$39.52	$38.19 - $41.05
Q4 2016	19,496	$1,109	$38.33	$36.64 - $40.23
Q3 2016	19,496	$1,122	$40.31	$38.22 - $43.00
Q2 2016	19,496	$1,230	$39.68	$37.02 - $42.70
Q1 2016	19,496	$1,204	$38.33	$34.60 - $41.62
Q4 2015	19,496	$1,058	$35.84	$33.71 - $37.52
Q3 2015	19,664	$1,059	$34.01	$31.66 - $36.90
Q2 2015	16,399	$799	$33.40	$31.54 - $35.25
Q1 2015	16,399	$882	$35.30	$32.73 - $38.16
Q4 2014	16,399	$928	$33.16	$28.63 - $37.51
Q3 2014	16,399	$744	$30.29	$28.46 - $33.15
Q2 2014	16,399	$856	$30.04	$28.38 - $33.02
Q1 2014	16,513	$783	$27.98	$26.36 - $29.86
Q4 2013	16,513	$715	$27.40	$25.54 - $28.91
Q3 2013	16,931	$761	$25.46	$23.73 - $28.10
Q2 2013	16,931	$676	$24.78	$23.14 - $25.97