First Interstate BancSystem, Inc.

NASDAQ: FIBK · Financial Services · Banks - Regional

PublicHQ Billings, MT · YellowstoneCIK 0000860413Reports USD

#1 of 1,011 Financial Services companies by revenue

EA Score

——

FH 61DQ —GM —SS 77

v0.1 · 35/100 weight · pillars only

↑ workforce scale, market scale · ↓ balance-sheet leverage, listing tenure

Methodology →

Revenue TTM

$1.2B

Rev growth YoY (TTM)

-15.7%

Net income (FY)

$302.1M

Employees

3,481

Market cap

$3.8B

Financials — latest annual

SEC EDGAR · USD-normalized

ConceptUSDNativeFY

Net income$302.1M$302.1M2025

Total assets$26.6B$26.6B2025

Liabilities$23.2B$23.2B2025

Equity$3.4B$3.4B2025

Revenue by segment

Filed disclosures · FY2021

By product

Credit and Debit Card65%

Deposit Account24%

Financial Service, Other11%

By geography

Not disclosed.

The read

First Interstate BancSystem, Inc. earned $302.1M in FY2025 net income.

Peers · Financial Services

WesBanco, Inc.——BancFirst Corporation——Miami International Holdings, Inc. 43D Palomar Holdings, Inc.71B

Key facts

CEOJames A. Reuter

SectorFinancial Services

IndustryBanks - Regional

HeadquartersBillings, MT

ExchangeNASDAQ: FIBK

Employees3,481

IPO date2010-03-24

Latest filings

8-K2026-05-29 8-K2026-05-13 10-Q2026-05-07 8-K2026-04-29 DEF 14A2026-04-16 10-K2026-02-26 8-K2026-01-28 8-K2025-11-18

Financials: SEC EDGAR (XBRL), USD-normalized per IAS 21 · TTM/quarterly + segments: FMP from filed disclosures · Filings: EDGAR submissions. County headcount and EA Score are in progress — see docs/DATA_GAPS.md.