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FIRST INTERSTATE BANCSYSTEM INC
FIBK - CIK 0000860413
Market cap$3.52 B
Rank#1685
SEC filings2,932
Market capitalization of FIRST INTERSTATE BANCSYSTEM INC
As of 2026-06-11, FIRST INTERSTATE BANCSYSTEM INC (FIBK) has a market capitalization of $3.52 B, making it the #1685 most valuable US-listed company.
Recent market cap readings
| Date | Market cap |
|---|---|
| 2026-06-11 | $3.52 B |
| 2026-06-10 | $3.52 B |
| 2026-05-29 | $3.49 B |
| 2026-05-28 | $3.46 B |
| 2026-05-26 | $3.48 B |
| 2026-05-25 | $3.45 B |
| 2026-05-24 | $3.45 B |
| 2026-05-22 | $3.45 B |
Readings accumulate daily as market data refreshes, combining SEC-reported share counts with live prices.
Market Cap of similar companies
Frequently asked questions
What is FIRST INTERSTATE BANCSYSTEM INC's market cap?
As of 2026-06-11, FIRST INTERSTATE BANCSYSTEM INC (FIBK) has a market capitalization of $3.52 B, making it the #1685 most valuable US-listed company.
Where does FIRST INTERSTATE BANCSYSTEM INC rank by market cap?
FIRST INTERSTATE BANCSYSTEM INC is the #1685 largest US-listed company by market capitalization.
Data parsed from SEC EDGAR XBRL filings. See the full market cap rankings.