First Interstate BancSystem, Inc. Common Stock (DE) (FIBK) Ownership & Trading Activity

Institutional holders, insider transactions, and congressional trades for FIBK. 13F holdings as of 2026-03-31.

Top Institutional Holders

InstitutionSharesValueChange
BlackRock, Inc.13,479,487$450MDECREASED
STATE STREET CORP5,891,271$197MINCREASED
DIMENSIONAL FUND ADVISORS LP5,630,789$188MINCREASED
VANGUARD PORTFOLIO MANAGEMENT LLC5,490,538$183MNEW
FIRST INTERSTATE BANK4,653,119$155MDECREASED

Recent Insider Trades

InsiderTypeSharesValueDate
Jonathan R Scott (10% Owner)SELL9,390$339K2026-06-18
Julie A Scott (10% Owner)SELL5,000$180K2026-06-18
Jonathan R Scott (10% Owner)SELL4,500$163K2026-06-17
Jonathan R Scott (10% Owner)SELL12,892$459K2026-06-04
James R. Scott Jr (Director, 10% Owner)AWARD2,2472026-06-01

Full institutional holdings, insider history, and congressional trades for First Interstate BancSystem, Inc. Common Stock (DE) on SentiSense.