TotalMarketCap

First Interstate Bancsystem

FIBKNasdaq United StatesFinanceMajor Banks

Market cap

$3.515 B

$37.97 -2.89%

Close of 6 Nov 2026

As of 6 Nov 2026, First Interstate Bancsystem (FIBK) has a market capitalization of $3.52B. Market cap measures the value of outstanding equity at market prices; company totals combine applicable share classes. Prices and market caps come from Nasdaq, with financial fundamentals from SEC filings. See sources and calculation details.

Revenue

—

Not reported

Earnings

$302.1M

#827 by earnings

Shares outstanding

92,581,035

Latest filing cover page

P/E ratio

11.6

Cap ÷ net income

Major Banks, ranked by market cap

All 244 →
  1. #64Nicolet BanksharesNIC$3.58B
  2. #65RenasantRNST$3.57B
  3. #66First Interstate BancsystemFIBK$3.52B
  4. #67First Financial BancorpFFBC$3.42B
  5. #68Community Financial SystemCBU$3.41B

What if First Interstate Bancsystem were worth as much as…

Open the what-if tool →

Gold $28.2T

$304,996.31

Per share 8,033× higher

Bitcoin $1.53T

$16,502.82

Per share 435× higher

Apple $5.02T

$54,177.21

Per share 1,427× higher

Or at a round number

$5.00B$10.0B$20.0B$50.0B

Where these numbers come from

Share counts and financials for First Interstate Bancsystem are taken from its own SEC filings via EDGAR: public record, not an estimate. Market cap is shares outstanding multiplied by the latest close. Read the methodology.