FIRST INTERSTATE BANCSYS-A (FIBK) Institutional Ownership and Insiders Activity

FIRST INTERSTATE BANCSYS-A (FIBK) is widely held by institutional investors, with 1 tracked firm reporting positions valued at approximately $1.65M based on SEC Form 13F filings for the quarter ended March 31, 2026.

Tweedy, Browne Co All Funds (US) is the largest disclosed holder, reporting approximately $1.65M in FIBK holdings in its latest filing.

Institutional ownership among tracked investors remains highly concentrated, with Tweedy, Browne Co All Funds (US) representing the majority of disclosed value.