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First Bancorp vs First Interstate Bancsystem: FBP and FIBK compared

First Bancorp is the larger company: $260M of revenue in its latest quarter (Q3 2026) against $250M for First Interstate Bancsystem (Q3 2026). First Bancorp is growing faster (+5% against -0.4% a year earlier). First Bancorp is more profitable, with an operating margin of 44.3% against 32.8%.

First Bancorp vs First Interstate Bancsystem, latest quarterFirst Bancorp vs First Interstate Bancsystem, latest quarterFirst Bancorp (FBP)First Interstate Bancsystem (FIBK)Revenue$260M$250MRevenue growth, Y/Y+5%-0.4%Operating margin44.3%32.8%Net margin37.0%24.9%

Where the money goes: FBP and FIBK

First Bancorp (FBP) · Q3 2026

First Bancorp, Q3 2026: revenue $260M (+5% year over year), operating margin 44.3%, net earnings $96.1M, operating cash flow $105M. The chart follows the revenue to costs, profit and cash.

First Interstate Bancsystem (FIBK) · Q3 2026

First Interstate Bancsystem, Q3 2026: revenue $250M (-0.4% year over year), operating margin 32.8%, net earnings $62.2M, operating cash flow $106M. The chart follows the revenue to costs, profit and cash.

First Bancorp revenue by segment, Q3 2026First Bancorp revenue by segment, Q3 2026Net interest income$228MNoninterest income$32.6M
First Interstate Bancsystem revenue by segment, Q3 2026First Interstate Bancsystem revenue by segment, Q3 2026Net interest income$206MNoninterest income$43.3M
First Bancorp (FBP)First Interstate Bancsystem (FIBK)
Latest quarterQ3 2026Q3 2026
Revenue$260M$250M
Revenue growth, Y/Y+5%-0.4%
Operating margin44.3%32.8%
Net earnings$96.1M$62.2M
Net margin37.0%24.9%
Operating cash flow$105M$106M
Free cash flow$101M—
Market value—$3.3B
P/E—10.8×
Analysts’ mean target—$38.00

Where the revenue comes from

First Bancorp

First Interstate Bancsystem

Questions

Which is bigger, First Bancorp or First Interstate Bancsystem?

First Bancorp is the larger company: $260M of revenue in its latest quarter (Q3 2026) against $250M for First Interstate Bancsystem (Q3 2026).

Is First Bancorp or First Interstate Bancsystem growing faster?

First Bancorp is growing faster (+5% against -0.4% a year earlier).

Which is more profitable, First Bancorp or First Interstate Bancsystem?

First Bancorp is more profitable, with an operating margin of 44.3% against 32.8%.

More: First Bancorp earnings · how First Bancorp makes money · First Interstate Bancsystem earnings · how First Interstate Bancsystem makes money

From the companies' latest 10-Q, 10-K or earnings release (10-Q filed Nov 6, 2026; 10-Q filed Nov 2, 2026). Fiscal quarters can end on different dates. Not investment advice.