NORTHWESTERN CORP

Ticker: NWE CUSIP: 668074305 Class: EQTY

PRINCIPAL FINANCIAL GROUP INC's Holding History (CIK: 0001126328)

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

Q4 2025

Shares 133,030 Value ($000) $8,586 Avg Close $62.82 Range $56.07 - $68.56

Q3 2025

Shares 164,895 Value ($000) $9,664 Avg Close $54.14 Range $49.85 - $58.24

Q2 2025

Shares 270,624 Value ($000) $13,883 Avg Close $53.53 Range $49.39 - $57.89

Q1 2025

Shares 181,192 Value ($000) $10,486 Avg Close $52.06 Range $48.49 - $56.12

Q4 2024

Shares 174,015 Value ($000) $9,303 Avg Close $51.38 Range $48.17 - $54.22

Q3 2024

Shares 171,362 Value ($000) $9,805 Avg Close $49.89 Range $45.22 - $54.21

Q2 2024

Shares 230,030 Value ($000) $11,520 Avg Close $46.58 Range $43.68 - $48.79

Q1 2024

Shares 256,882 Value ($000) $13,083 Avg Close $44.40 Range $41.90 - $47.03

Q4 2023

Shares 228,752 Value ($000) $11,641 Avg Close $44.88 Range $41.24 - $48.79

Q3 2023

Shares 225,646 Value ($000) $10,845 Avg Close $47.33 Range $42.66 - $51.72

Q2 2023

Shares 226,463 Value ($000) $12,854 Avg Close $51.34 Range $48.87 - $53.67

Q1 2023

Shares 229,520 Value ($000) $13,280 Avg Close $49.59 Range $46.79 - $52.43

Q4 2022

Shares 224,849 Value ($000) $13,343 Avg Close $46.84 Range $41.72 - $52.07

Q3 2022

Shares 218,516 Value ($000) $10,768 Avg Close $46.61 Range $42.04 - $51.24

Q2 2022

Shares 210,410 Value ($000) $12,399 Avg Close $49.98 Range $45.98 - $52.83

Q1 2022

Shares 182,961 Value ($000) $11,068 Avg Close $48.63 Range $46.08 - $51.75

Q4 2021

Shares 179,974 Value ($000) $10,288 Avg Close $46.70 Range $43.99 - $49.52

Q3 2021

Shares 178,587 Value ($000) $10,233 Avg Close $50.51 Range $46.92 - $53.26

Q2 2021

Shares 178,036 Value ($000) $10,721 Avg Close $52.44 Range $48.13 - $56.92

Q1 2021

Shares 241,576 Value ($000) $15,751 Avg Close $47.20 Range $42.31 - $53.28

Q4 2020

Shares 206,082 Value ($000) $12,017 Avg Close $43.87 Range $37.97 - $49.46

Q3 2020

Shares 183,412 Value ($000) $8,921 Avg Close $41.40 Range $37.35 - $45.52

Q2 2020

Shares 177,666 Value ($000) $9,687 Avg Close $44.67 Range $39.68 - $50.33

Q1 2020

Shares 191,963 Value ($000) $11,486 Avg Close $54.52 Range $34.68 - $61.46

Q4 2019

Shares 255,357 Value ($000) $18,301 Avg Close $54.65 Range $51.50 - $57.67

Q3 2019

Shares 260,541 Value ($000) $19,553 Avg Close $54.27 Range $50.60 - $58.08

Q2 2019

Shares 259,545 Value ($000) $18,726 Avg Close $53.01 Range $50.21 - $55.53

Q1 2019

Shares 223,121 Value ($000) $15,710 Avg Close $48.59 Range $42.38 - $53.49

Q4 2018

Shares 223,424 Value ($000) $13,280 Avg Close $45.03 Range $41.21 - $48.18

Q3 2018

Shares 226,288 Value ($000) $13,274 Avg Close $43.15 Range $40.65 - $45.13

Q2 2018

Shares 220,692 Value ($000) $12,635 Avg Close $39.06 Range $37.03 - $41.93

Q1 2018

Shares 216,986 Value ($000) $11,674 Avg Close $37.69 Range $35.55 - $42.53

Q4 2017

Shares 205,236 Value ($000) $12,253 Avg Close $42.54 Range $39.78 - $45.45

Q3 2017

Shares 204,940 Value ($000) $11,669 Avg Close $41.74 Range $40.09 - $43.18

Q2 2017

Shares 207,030 Value ($000) $12,633 Avg Close $42.35 Range $40.29 - $44.62

Q1 2017

Shares 198,152 Value ($000) $11,632 Avg Close $39.52 Range $38.19 - $41.05

Q4 2016

Shares 191,059 Value ($000) $10,865 Avg Close $38.33 Range $36.64 - $40.23

Q3 2016

Shares 188,213 Value ($000) $10,828 Avg Close $40.31 Range $38.22 - $43.00

Q2 2016

Shares 349,345 Value ($000) $22,033 Avg Close $39.68 Range $37.02 - $42.70

Q1 2016

Shares 339,854 Value ($000) $20,986 Avg Close $38.33 Range $34.60 - $41.62

Q4 2015

Shares 326,351 Value ($000) $17,704 Avg Close $35.84 Range $33.71 - $37.52

Q3 2015

Shares 305,747 Value ($000) $16,458 Avg Close $34.01 Range $31.66 - $36.90

Q2 2015

Shares 293,767 Value ($000) $14,321 Avg Close $33.40 Range $31.54 - $35.25

Q1 2015

Shares 299,013 Value ($000) $16,084 Avg Close $35.30 Range $32.73 - $38.16

Q4 2014

Shares 283,795 Value ($000) $16,058 Avg Close $33.16 Range $28.63 - $37.51

Q3 2014

Shares 243,028 Value ($000) $11,024 Avg Close $30.29 Range $28.46 - $33.15

Q2 2014

Shares 245,793 Value ($000) $12,828 Avg Close $30.04 Range $28.38 - $33.02

Q1 2014

Shares 244,159 Value ($000) $11,581 Avg Close $27.98 Range $26.36 - $29.86

Q4 2013

Shares 236,001 Value ($000) $10,224 Avg Close $27.40 Range $25.54 - $28.91

Q3 2013

Shares 222,165 Value ($000) $9,980 Avg Close $25.46 Range $23.73 - $28.10

Q2 2013

Shares 212,499 Value ($000) $8,479 Avg Close $24.78 Range $23.14 - $25.97

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	133,030	$8,586	$62.82	$56.07 - $68.56
Q3 2025	164,895	$9,664	$54.14	$49.85 - $58.24
Q2 2025	270,624	$13,883	$53.53	$49.39 - $57.89
Q1 2025	181,192	$10,486	$52.06	$48.49 - $56.12
Q4 2024	174,015	$9,303	$51.38	$48.17 - $54.22
Q3 2024	171,362	$9,805	$49.89	$45.22 - $54.21
Q2 2024	230,030	$11,520	$46.58	$43.68 - $48.79
Q1 2024	256,882	$13,083	$44.40	$41.90 - $47.03
Q4 2023	228,752	$11,641	$44.88	$41.24 - $48.79
Q3 2023	225,646	$10,845	$47.33	$42.66 - $51.72
Q2 2023	226,463	$12,854	$51.34	$48.87 - $53.67
Q1 2023	229,520	$13,280	$49.59	$46.79 - $52.43
Q4 2022	224,849	$13,343	$46.84	$41.72 - $52.07
Q3 2022	218,516	$10,768	$46.61	$42.04 - $51.24
Q2 2022	210,410	$12,399	$49.98	$45.98 - $52.83
Q1 2022	182,961	$11,068	$48.63	$46.08 - $51.75
Q4 2021	179,974	$10,288	$46.70	$43.99 - $49.52
Q3 2021	178,587	$10,233	$50.51	$46.92 - $53.26
Q2 2021	178,036	$10,721	$52.44	$48.13 - $56.92
Q1 2021	241,576	$15,751	$47.20	$42.31 - $53.28
Q4 2020	206,082	$12,017	$43.87	$37.97 - $49.46
Q3 2020	183,412	$8,921	$41.40	$37.35 - $45.52
Q2 2020	177,666	$9,687	$44.67	$39.68 - $50.33
Q1 2020	191,963	$11,486	$54.52	$34.68 - $61.46
Q4 2019	255,357	$18,301	$54.65	$51.50 - $57.67
Q3 2019	260,541	$19,553	$54.27	$50.60 - $58.08
Q2 2019	259,545	$18,726	$53.01	$50.21 - $55.53
Q1 2019	223,121	$15,710	$48.59	$42.38 - $53.49
Q4 2018	223,424	$13,280	$45.03	$41.21 - $48.18
Q3 2018	226,288	$13,274	$43.15	$40.65 - $45.13
Q2 2018	220,692	$12,635	$39.06	$37.03 - $41.93
Q1 2018	216,986	$11,674	$37.69	$35.55 - $42.53
Q4 2017	205,236	$12,253	$42.54	$39.78 - $45.45
Q3 2017	204,940	$11,669	$41.74	$40.09 - $43.18
Q2 2017	207,030	$12,633	$42.35	$40.29 - $44.62
Q1 2017	198,152	$11,632	$39.52	$38.19 - $41.05
Q4 2016	191,059	$10,865	$38.33	$36.64 - $40.23
Q3 2016	188,213	$10,828	$40.31	$38.22 - $43.00
Q2 2016	349,345	$22,033	$39.68	$37.02 - $42.70
Q1 2016	339,854	$20,986	$38.33	$34.60 - $41.62
Q4 2015	326,351	$17,704	$35.84	$33.71 - $37.52
Q3 2015	305,747	$16,458	$34.01	$31.66 - $36.90
Q2 2015	293,767	$14,321	$33.40	$31.54 - $35.25
Q1 2015	299,013	$16,084	$35.30	$32.73 - $38.16
Q4 2014	283,795	$16,058	$33.16	$28.63 - $37.51
Q3 2014	243,028	$11,024	$30.29	$28.46 - $33.15
Q2 2014	245,793	$12,828	$30.04	$28.38 - $33.02
Q1 2014	244,159	$11,581	$27.98	$26.36 - $29.86
Q4 2013	236,001	$10,224	$27.40	$25.54 - $28.91
Q3 2013	222,165	$9,980	$25.46	$23.73 - $28.10
Q2 2013	212,499	$8,479	$24.78	$23.14 - $25.97