First Interstate Bancsystem INC Schedule 13G passive stakes

State Street Corporation has reported a beneficial ownership of 6.4% in First Interstate BancSystem Inc. common stock as of June 30, 2026.

Wellington Management Group LLP and its affiliates have filed a Schedule 13G, reporting beneficial ownership of 3,882,437 shares, representing 4.0% of First Interstate BancSystem, Inc.'s common stock.

Vanguard Portfolio Management has reported beneficial ownership of 5.46% of First Interstate BancSystem Inc.'s common stock as of March 31, 2026.

The Vanguard Group has filed an amended Schedule 13G, reporting a 0% beneficial ownership in First Interstate BancSystem Inc. following an internal realignment.

The Vanguard Group reported an ongoing 10% beneficial ownership in First Interstate BancSystem Inc. common stock, following an internal realignment affecting its reporting structure.

State Street Corporation has reported a 5.3% beneficial ownership stake in First Interstate Bancsystem Inc. common stock as of December 31, 2025.

The Vanguard Group updated its beneficial ownership in First Interstate BancSystem Inc. to 9.76% of common stock, disclosing an internal realignment affecting future reporting.

BlackRock, Inc. has filed an amendment to its Schedule 13G, reporting a 12.9% beneficial ownership in First Interstate Bancsystem Inc.'s Class A Stock.

Wellington Management Group LLP and its affiliates have reported a 5.6% beneficial ownership stake in First Interstate BancSystem, Inc. as of September 30, 2025.

Franklin Mutual Advisers, LLC has reported an amended 4.0% beneficial ownership stake in First Interstate Bancsystem, Inc., holding 4,222,302 shares of common stock.

FMR LLC and Abigail P. Johnson have disclosed a 5.0% beneficial ownership stake in First Interstate Bancsystem Inc., totaling 5,210,135.80 common shares.

Dimensional Fund Advisors LP has reported a 5.2% passive beneficial ownership stake in First Interstate BancSystem Inc., holding 5,416,568 shares of common stock.

BlackRock, Inc. has filed an Amendment No. 9 to its Schedule 13G, disclosing a 6.3% beneficial ownership stake in First Interstate Bancsystem Inc.'s Class A Stock as of March 31, 2025.

FMR LLC and Abigail P. Johnson have disclosed a 6.5% beneficial ownership stake in First Interstate Bancsystem Inc.'s common stock as of December 31, 2024.