Northwestern Energy Group, INC Schedule 13G passive stakes

Filed when an investor crosses five percent without intending to seek control — the passive counterpart to a 13D.

NASDAQ
Vanguard Capital Management has reported beneficial ownership of 5.32% of Northwestern Energy Group Inc.'s common stock as of March 31, 2026.
NASDAQ
Vanguard Portfolio Management has reported beneficial ownership of 5.71% of Northwestern Energy Group Inc.'s common stock as of March 31, 2026.
NASDAQ
The Vanguard Group has updated its Schedule 13G filing for Northwestern Energy Group Inc., reporting 0% beneficial ownership due to an internal realignment.
NASDAQ
American Century Investment Management, along with its affiliates, reported a 4.8% passive ownership stake in Northwestern Energy Group, Inc.
NASDAQ
BlackRock, Inc. has filed an amended Schedule 13G, disclosing a 13.0% beneficial ownership stake in NorthWestern Energy Group, Inc. as of March 31, 2025.
NASDAQ
American Century Investment Management, Inc., along with its parent entities American Century Companies, Inc. and Stowers Institute for Medical Research, has filed an amended Schedule 13G disclosing a continued beneficial ownership of 5.9% in Northwestern Energy Group, Inc. as of December 31, 2024.
NASDAQ
BlackRock, Inc. has reported a beneficial ownership of 18.1% of Northwestern Energy Group Inc.'s common stock as of December 31, 2024, held for passive investment purposes.