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FIFIBK

First Interstate BancSystem (FIBK) Q3 FY26 earnings call

Earnings call· Sep 2026 (Q3 FY26)· Financials· Oct 23, 2026

Source: earnings call transcript

First Interstate BancSystem continued executing its multiyear strategic plan in Q3 FY26, marked by a tenth consecutive quarter of net interest margin expansion and growth in non-interest-bearing deposits. The company maintained its focus on relationship banking and capital deployment through share repurchases, despite a reported decline in net income driven by a prior-quarter gain and a decrease in loan balances. Management anticipates continued NII expansion into Q4, supported by asset repricing and deposit trends.

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FIBK operating KPIs by quarter

FIBK operating KPIs stated on its earnings calls, by fiscal quarter
KPI Jun 2026 Q2 FY26This call Sep 2026 Q3 FY26Change vs prior quarter
Net interest margin
3.48% Our fully taxable equivalent net interest margin was 3.48% for the second quarter compared to 3.43% during the first quarter and to 3.32% during the second quarter of 2025. Source: earnings call transcript
3.55% Our fully taxable equivalent net interest margin was 3.55% for the third quarter compared to 3.48% during the second quarter and 3.36% during the third quarter of 2025. Source: earnings call transcript
+0.1 pt
Common equity tier 1 ratio (CET1)
14.54% Our common equity Tier 1 capital ratio ended the second quarter at 14.54% and an increase of 24 basis points from the prior quarter. Source: earnings call transcript
14.36% Our common equity tier one capital ratio ended the third quarter at 14.36%, a decrease of 18 basis points from the prior quarter. Source: earnings call transcript
-0.2 pt

Operating figures the company stated on at least two of the calls shown, checked against each call's transcript. Click a figure to read the sentence. A dash means it was not stated that quarter.

Inve summary of the company's earnings call; see how call summaries are prepared. Not investment advice.