NorthWestern Corporation

Historical 13F Holders

Symbol
NWE
CUSIP
668074305
All holders as of
Q2 2026
Type
Equity
Class
COM NEW
Reported Value, Excluding Options
Total Shares Held, Excluding Options
Total Filers

13D/G Filers

Each filer's latest filing for 668074305 since 12/18/2024, largest first.

Filer % of Class Filed
BlackRock, Inc. 13G/A 13.0% 4/3/2025
Event 3/31/2025
Vanguard Portfolio Management LLC 13G 5.7% 4/29/2026
Event 3/31/2026
Vanguard Capital Management LLC 13G 5.3% 4/30/2026
Event 3/31/2026
Under 5%, checked the "5 percent or less" box, or amended by a later filing (2)
American Century Investment Management, Inc. 13G/A
4.8% 8/14/2025
Event 6/30/2025
Vanguard Group Inc 13G/A 0% 3/27/2026
Event 3/13/2026

13F Holders by Quarter

Period Filers Shares, Excl. Options Value, Excl. Options
2026 Q3 135 6.55 M $448 M
2026 Q2 377 63.8 M $4.28 B
2026 Q1 373 59.8 M $3.94 B
2025 Q4 358 60.3 M $3.89 B
2025 Q3 329 59.1 M $3.47 B
2025 Q2 336 60.5 M $3.11 B
2025 Q1 345 59.5 M $3.44 B
2024 Q4 323 60.4 M $3.23 B
2024 Q3 315 59.7 M $3.41 B
2024 Q2 298 60.1 M $3.01 B
2024 Q1 302 61.3 M $3.12 B
2023 Q4 279 62.3 M $3.17 B
2023 Q3 276 59.3 M $2.85 B
2023 Q2 291 58.5 M $3.31 B
2023 Q1 292 59.3 M $3.43 B
2022 Q4 303 59.6 M $3.54 B
2022 Q3 290 56.6 M $2.79 B
2022 Q2 282 57.1 M $3.37 B
2022 Q1 279 57.6 M $3.48 B
2021 Q4 281 57.2 M $3.27 B
2021 Q3 264 49.2 M $2.82 B
2021 Q2 262 48.1 M $2.90 B
2021 Q1 252 48.1 M $3.13 B
2020 Q4 257 49.0 M $2.86 B
2020 Q3 262 48.9 M $2.38 B
2020 Q2 271 48.8 M $2.66 B
2020 Q1 270 50.2 M $3.00 B
2019 Q4 286 49.9 M $3.58 B
2019 Q3 288 49.6 M $3.72 B
2019 Q2 286 51.8 M $3.77 B
2019 Q1 289 49.1 M $3.46 B
2018 Q4 264 49.9 M $2.96 B
2018 Q3 262 51.6 M $3.03 B
2018 Q2 256 49.6 M $2.84 B
2018 Q1 244 47.0 M $2.53 B
2017 Q4 247 46.6 M $2.78 B
2017 Q3 239 46.0 M $2.62 B
2017 Q2 237 48.3 M $2.95 B
2017 Q1 244 47.2 M $2.77 B
2016 Q4 244 47.7 M $2.71 B
2016 Q3 221 46.9 M $2.70 B
2016 Q2 221 49.6 M $3.11 B
2016 Q1 216 49.5 M $3.06 B
2015 Q4 211 49.3 M $2.67 B
2015 Q3 199 49.0 M $2.64 B
2015 Q2 194 49.3 M $2.40 B
2015 Q1 200 46.2 M $2.49 B
2014 Q4 206 46.9 M $2.65 B
2014 Q3 190 38.8 M $1.76 B
2014 Q2 194 39.8 M $2.08 B
2014 Q1 193 37.7 M $1.79 B