← All Alliant Energy CORP filings

Alliant Energy CORP Schedule 13G passive stakes

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

NASDAQ
LNT
Alliant Energy CORP
SCHEDULE: Vanguard Reports 7.54% Stake in Alliant Energy
Vanguard Capital Management has disclosed a beneficial ownership of 19,403,442 shares, representing 7.54% of the outstanding common stock of Alliant Energy Corp.
NASDAQ
LNT
Alliant Energy CORP
SCHEDULE: Vanguard Discloses 5.68% Stake in Alliant Energy
Vanguard Portfolio Management has reported beneficial ownership of 5.68% of Alliant Energy Corp.'s common stock as of March 31, 2026.
NASDAQ
LNT
Alliant Energy CORP
SCHEDULE: Vanguard Reports 0% Stake in Alliant Energy
The Vanguard Group has filed an amended Schedule 13G, reporting zero beneficial ownership in Alliant Energy Corp following an internal realignment.