First Interstate Bancsystem (FIBK) Interest Expenses (2010 - 2026)

First Interstate Bancsystem (FIBK) has 17 years of Interest Expenses data on file, last reported at $70.6 million in Q1 2026.

• Quarterly Interest Expenses fell 28.18% year-over-year to $70.6 million in Q1 2026, while the trailing twelve-month figure through Mar 2026 was $324.9 million (down 28.53% YoY) and the FY2025 annual result came in at $352.6 million, down 26.68% from the prior year.
• Interest Expenses retreated to $70.6 million in Q1 2026 per FIBK's latest filing, from $78.8 million in the prior quarter.
• Across five years, Interest Expenses topped out at $124.6 million in Q1 2024 and bottomed at $6.0 million in Q1 2022.
• The 5-year median for Interest Expenses is $90.3 million (2025), against an average of $81.4 million.
• The widest annual swing landed in 2023, when Interest Expenses jumped 1236.49%; it then sank 30.45% in 2025.
• Tracing FIBK's Interest Expenses over 5 years: stood at $45.6 million in 2022, then jumped by 155.48% to $116.5 million in 2023, then declined by 4.29% to $111.5 million in 2024, then retreated by 29.33% to $78.8 million in 2025, then declined by 10.41% to $70.6 million in 2026.
• Per Business Quant, the three latest FIBK Interest Expenses figures stand at $70.6 million (Q1 2026), $78.8 million (Q4 2025), and $85.2 million (Q3 2025).

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