First Interstate BancSystem, Inc. has grown revenue 4.9% a year over three years and 18% a year over five, with earnings per share compounding at 14%. Revenue growth, 3-year annual rate: +4.9% (Banks - Regional median +6.8%). Revenue growth, 5-year rate: +18%, growth has slowed since the five-year average. Earnings per share, 3-year rate: +14%, earnings outgrew revenue: margins or the share count worked for shareholders. Years of annual history on file: 17, FY2009 to FY2025, as filed.

FIBKFirst Interstate BancSystem, Inc.

Financial Services

$34.53+7.4% 1Y

$34.53

$28.1752 weeks$40.99

Is it growing?

Mixed

Neither accelerating nor breaking down: earnings up +46% year on year, but revenue shrinking (−11% year on year).

1 good, 1 to watch, 1 without data

Revenue trend−11% in a year

Trailing-twelve-month revenue vs a year earlier, from the company's own filings. Five-year pace: +17% a year.

Earnings trend+46% in a year

Trailing-twelve-month earnings per share against a year earlier. Growing faster than revenue, so margins or the share count are helping.

All from SEC EDGAR, as of Jun 30, 2026.

Where this answer is blind. These are trailing numbers from the filings, not forecasts: an acquisition or a one-off year can flatter them, so check the quarters.

Is FIBK growing?

First Interstate BancSystem, Inc. has grown revenue 4.9% a year over three years and 18% a year over five, with earnings per share compounding at 14%.

+4.9%

Revenue growth, 3-year annual rate · Banks - Regional median +6.8% · growing slowly · compounded from fiscal-year columns as filed

Revenue growth, 5-year rate: +18%
Revenue growth, 5-year rate · +4.9% over three · growth has slowed since the five-year average
Earnings per share, 3-year rate: +14%
Earnings per share, 3-year rate · revenue +4.9% · earnings outgrew revenue: margins or the share count worked for shareholders
Years of annual history on file: 17
Years of annual history on file · FY2009 to FY2025, as filed