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Q1 '26Q4 '25Q3 '25Q2 '25Q1 '25
$1.21B+38.7%$1.31B+46.1%$1.45B+107%$1.09B+13.7%$871.4M+37.2%
$100K0.0%$100K0.0%$100K0.0%$100K0.0%$100K0.0%
$70.8M+17,600%$73.6M+8,078%$305.6M+1,362%$335.2M+1,403%$400K-98.2%
$403.1M-6.0%$406.6M-4.8%$415.1M-4.1%$413M-5.4%$428.9M-2.5%
$1.1B0.0%$1.1B0.0%$1.1B0.0%$1.1B0.0%$1.1B0.0%
$50M-21.3%$53.3M-20.2%$56.6M-19.6%$60M-18.9%$63.5M-18.3%
$57.9M-37.4%$59.6M-49.7%$66.7M-39.9%$76.7M-50.4%$92.5M-42.7%
$231.5M-9.5%$238.1M-21.7%$243.6M-6.1%$266.1M-7.9%$255.8M+0.1%
$8.01B+6.7%$7.63B-1.5%$7.31B-11.7%$7.31B-13.0%$7.5B-13.0%
$106.3M-29.2%$106.3M-40.1%$106.8M-31.3%$118.1M-35.2%$150.1M-15.9%
$5.72B+17.5%$5.29B+4.6%$4.9B-11.5%$4.74B-15.4%$4.86B-15.7%
$2.29B-13.1%$2.34B-12.9%$2.41B-12.1%$2.57B-8.2%$2.64B-7.5%
$14.53B-15.3%$15.2B-14.8%$15.63B$16.14B$17.16B
$195.8M-9.1%$191.4M-6.2%$205.8M-8.7%$209.6M-10.0%$215.3M-5.4%
$22.5M-9.6%$23.1M-10.1%$23.8M-9.5%$24.4M-9.6%$24.9M-9.8%
$26.43B-6.6%$26.64B-8.6%$27.33B-7.6%$27.57B-9.0%$28.28B-6.2%
$373.7M+4.2%$286.8M-24.3%$436M+30.3%$293.5M-26.3%$358.5M-7.1%
$33.1M-18.9%$36.9M-21.5%$42.4M-51.7%$41.3M-41.9%$40.8M-23.9%
$21.88B-3.7%$22.09B-4.0%$22.61B-1.1%$22.63B-1.0%$22.73B-0.3%
$5.23B-6.5%$5.29B-8.8%$5.56B-6.1%$5.58B-9.6%$5.59B-5.3%
$16.65B-2.9%$16.8B-2.4%$17.05B+0.6%$17.05B+2.1%$17.14B+1.4%
$476.1M-9.8%$479.6M-8.5%$485.2M-12.9%$509.3M-31.3%$528M-33.5%
$146.7M+12.7%$146.3M+10.7%$146.2M+6.5%$252M-34.3%$130.2M-64.9%
$23.07B-7.4%$23.19B-10.2%$23.88B-8.9%$24.14B-10.8%$24.92B-7.5%
$0$0$0$0$0
150M0.0%150M-93.9%150M0.0%150M0.0%150M0.0%
$1.29B+10.3%$1.27B+9.2%$1.21B+4.3%$1.19B+3.0%$1.17B+2.0%
-$195.7M+26.8%-$178.1M+44.7%-$204.1M+19.9%-$232.9M+39.6%-$267.5M+30.9%
$3.36B-0.1%$3.45B+4.3%$3.45B+2.5%$3.42B+6.1%$3.36B+4.7%
$26.43B-6.6%$26.64B-8.6%$27.33B-7.6%$27.57B-9.0%$28.28B-6.2%
$5.8M+13.7%$5.9M+13.5%$6.3M+12.5%$4.8M-17.2%$5.1M-66.9%
$5.8M+13.7%$5.9M+13.5%$6.3M+12.5%$4.8M-17.2%$5.1M-66.9%
$1.21B+38.7%$1.31B+46.1%$1.45B+107%$1.09B+13.7%$871.4M+37.2%
$886.9M+84.4%$951.4M+83.5%$1.07B+311%$653.5M+15.0%$480.9M+50.7%
$6.6M+88.6%$3.4M-20.9%$3.4M-22.7%$3.4M-49.3%$3.5M-75.7%
$50M-21.3%$53.3M-20.2%$56.6M-19.6%$60M-18.9%$63.5M-18.3%
$50M-21.3%$53.3M-20.2%$56.6M-19.6%$60M-18.9%$63.5M-18.3%
$50M-21.3%$53.3M-20.2%$56.6M-19.6%$60M-18.9%$63.5M-18.3%
$50M-21.3%$53.3M-20.2%$56.6M-19.6%$60M-18.9%$63.5M-18.3%
$524.6M+2.0%$523M+1.9%$520.2M+1.8%$516.7M+1.8%$514.2M+1.9%
$321.7M-17.6%$358.2M-5.2%$382.7M-12.8%$436.6M+11.9%$390.4M+23.6%
$57.9M-37.4%$59.6M-49.7%$66.7M-39.9%$76.7M-50.4%$92.5M-42.7%
$14.53B-15.3%$15.01B-14.9%$15.63B$16.14B$17.16B
$886.9M+84.4%$951.4M+83.5%$1.07B+311%$653.5M+15.0%$480.9M+50.7%
$8.01B+6.7%$7.63B-1.5%$7.31B-11.7%$7.31B-13.0%$7.5B-13.0%
$231.5M-9.5%$238.1M-21.7%$243.6M-6.1%$266.1M-7.9%$255.8M+0.1%
$476.1M-9.8%$479.6M-8.5%$485.2M-12.9%$509.3M-31.3%$528M-33.5%
$149.9M-8.1%$149.8M-8.2%$163.1M0.0%$163.1M0.0%$163.1M0.0%
$373.7M+4.2%$286.8M-24.3%$436M+30.3%$293.5M-26.3%$358.5M-7.1%
$16.65B-2.9%$16.8B-2.4%$17.05B+0.6%$17.05B+2.1%$17.14B+1.4%
$146.7M+12.7%$146.3M+10.7%$146.2M+6.5%$252M-34.3%$130.2M-64.9%
$146.7M-86.5%$146.3M-91.4%$146.2M-93.4%$502M-82.2%$1.09B-59.8%
97.4M-7.1%101.1M-3.3%104M104.9M104.9M
100K0.0%100K0.0%100K100K100K
$2.27B-7.9%$2.35B-4.4%$2.44B-0.7%$2.46B+0.4%$2.46B+0.4%
$0.000.0%$0.000.0%$0.00$0.00$0.00
$5.8M+13.7%$5.9M+13.5%$6.3M+12.5%$4.8M-17.2%$5.1M-66.9%
$150M0.0%$150M0.0%$150M0.0%$150M0.0%$150M0.0%
$97.45M-7.1%$101.11M-3.3%$103.97M$104.87M$104.91M
$97.45M-7.1%$101.11M-3.3%$103.97M$104.87M$104.91M
$5.72B+17.5%$5.29B+4.6%$4.9B-11.5%$4.74B-15.4%$4.86B-15.7%
$50M-21.3%$53.3M-20.2%$56.6M-19.6%$60M-18.9%$63.5M-18.3%
$70.8M+17,600%$73.6M+8,078%$305.6M+1,362%$335.2M+1,403%$400K-98.2%
$146.7M+12.7%$146.3M+10.7%$146.2M+6.5%$252M-34.3%$130.2M-64.9%
$0$0$0$0$0
$00.0%$00.0%$0$0$0
$100K0.0%$100K0.0%$100K$100K$100K

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Where does First Interstate BancSystem, Inc.'s balance sheet data come from?
Every line is extracted from First Interstate BancSystem, Inc.'s SEC filings (10-K and 10-Q) and tagged in XBRL. Switch between quarterly, annual, and trailing-twelve-month views, or open any line for its full history and peer comparisons.