Mge Energy 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 5.29% of MGE Energy Inc.'s common stock as of March 31, 2026.
NASDAQ
Vanguard Portfolio Management has reported a beneficial ownership of 7.34% in MGE Energy Inc. common stock as of March 31, 2026.
NASDAQ
The Vanguard Group has filed an amended Schedule 13G for MGE Energy Inc., reporting zero beneficial ownership following an internal realignment.
NASDAQ
BlackRock, Inc. has disclosed an increased beneficial ownership of 15.4% in MGE Energy Inc., holding over 5.6 million shares of common stock.
NASDAQ
State Street Corporation has reported a 5.4% beneficial ownership stake in MGE Energy Inc., held passively for investment purposes.