Ameren CORP Schedule 13G passive stakes

Vanguard Capital Management has disclosed beneficial ownership of 7.53% of Ameren Corp's common stock as of March 31, 2026.

Vanguard Portfolio Management has reported a beneficial ownership of 5.74% in Ameren Corp's common stock as of March 31, 2026.

The Vanguard Group has amended its Schedule 13G filing for Ameren Corp, reporting zero beneficial ownership following an internal realignment that disaggregated its reporting.

T. Rowe Price Associates, Inc. has reported an 8.1% beneficial ownership stake in Ameren Corporation, holding over 21 million shares as of December 31, 2025.

BlackRock, Inc. has reported an 8.1% beneficial ownership stake in Ameren Corporation's common stock, holding over 21.8 million shares.

State Street Corporation has reported a 5.2% beneficial ownership stake in Ameren Corp's common stock, holding over 14 million shares.

T. Rowe Price Investment Management, Inc. has reported a 5.2% beneficial ownership stake in Ameren Corporation's common stock as of June 30, 2025.

T. Rowe Price Investment Management, Inc. has filed an amended Schedule 13G, reporting a beneficial ownership of 4.8% in Ameren Corporation's common stock as of March 31, 2025.