First Interstate BancSystem, Inc. Overview
Pro stress-test →First Interstate BancSystem is a financial services holding company headquartered in Billings, Montana, and parent company of First Interstate Bank, a community bank delivering financial solutions across Colorado, Idaho, Iowa, Montana, Nebraska, Missouri, Minnesota, North Dakota, Oregon, South Dakota, Washington, and Wyoming. The company provides banking products and services including real estate, consumer, and agricultural loans, along with trust and investment services.
Strategic Profile
Pro stress-test →As of September 30, 2025, the bank held $27.3 billion in assets. Recent Q4 2025 results showed revenue up 19.8% year-over-year with net margin of 17.62%. The company has received mixed analyst sentiment with a consensus "Hold" rating from eight analysts (one sell, four hold, three buy ratings).
Competitive Landscape
Pro stress-test →First Interstate competes in the regional community banking space across 12 western and midwest states. Primary competitors include other regional banks like Glacier Bancorp and First Financial Bankshares. The company differentiates through deep local market presence, agricultural lending expertise, and community-focused service model across rural and mid-sized markets.
Industry Context
First Interstate BancSystem, Inc. operates in Regional Community Banking.
Key facts
Founded: 1968 · Headquarters: Billings, Montana · Revenue: $205.1M (Q4 2025) · Market cap: $3.56B