First Interstate BancSystem reported Q3 2026 revenue of $250.6 million, down 0.5% year-over-year, with EPS of $0.65 versus $0.69 in the prior year quarter. The company beat revenue estimates by 0.69% but missed EPS expectations by 7.14%.
Key metrics showed mixed results, with improvements in net FTE interest margin and efficiency ratio, but declines in leverage ratio and Tier 1 risk-based capital ratios. The stock holds a Zacks Rank #2 (Buy) rating.