First Interstate BancSystem - 15 Year Stock Price History | FIBK

Historical daily share price chart and data for First Interstate BancSystem since 2011 adjusted for splits and dividends. The latest closing stock price for First Interstate BancSystem as of September 18, 2026 is 37.35.
  • The all-time high First Interstate BancSystem stock closing price was 39.73 on July 16, 2026.
  • The First Interstate BancSystem 52-week high stock price is 40.60, which is 8.7% above the current share price.
  • The First Interstate BancSystem 52-week low stock price is 29.10, which is 22.1% below the current share price.
  • The average First Interstate BancSystem stock price for the last 52 weeks is 35.31.
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First Interstate BancSystem Historical Annual Stock Price Data
Year Average Stock Price Year Open Year High Year Low Year Close Annual % Change
2026 35.7010 34.0050 39.7299 31.2314 37.3500 12.06%
2025 28.5082 28.9146 34.7468 21.8997 33.3307 13.46%
2024 25.5569 26.4332 32.0902 20.9966 29.3761 12.94%
2023 22.9417 30.7297 31.2746 17.7808 26.0103 -14.79%
2022 30.5407 31.3708 36.2107 24.8666 30.5244 -0.78%
2021 32.4027 29.3808 37.3943 28.1642 30.7657 3.58%
2020 24.0750 28.6507 30.0292 18.1851 29.7013 3.20%
2019 27.2680 24.6895 29.6247 24.6030 28.7812 18.20%
2018 27.7830 26.0635 31.0638 23.3308 24.3499 -6.22%
2017 24.7129 27.0397 28.5000 21.6818 25.9662 -3.52%
2016 18.9474 17.2073 27.0713 15.3553 26.9132 50.97%
2015 16.6847 16.2250 18.7894 14.3429 17.8267 7.66%
2014 15.8070 16.2575 17.5760 14.2961 16.5583 0.45%
2013 12.4993 8.9872 16.9722 8.9529 16.4841 87.22%
2012 8.0282 7.3990 8.8453 7.2390 8.8046 22.47%
Sector Industry Market Cap Revenue
Finance Banks - Midwest $3.542B $1.411B
First Interstate BancSystem, Inc. is a financial and bank holding company. Through its wholly-owned subsidiary, First Interstate Bank, it delivers a range of banking products and services to individuals, businesses, municipalities and other entities throughout its market areas. The Company's banking products and services include demand, time, checking, and savings deposits. The Company's loan portfolio consists of a mix of real estate, consumer, commercial, agricultural, and other loans, including fixed and variable rate loans. Its real estate loans comprise commercial real estate, construction, residential, agricultural, and other real estate loans. It also provides a range of trust, employee benefit, investment management, insurance, agency, and custodial services to individuals, businesses, and nonprofit organizations. First Interstate BancSystem, Inc. is headquartered in Billings, Montana.
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1st Source (SRCE) United States $2.066B 12.32
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QCR Holdings (QCRH) United States $1.652B 11.78
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Old Second Bancorp (OSBC) United States $1.268B 11.59
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First Financial Indiana (THFF) United States $0.917B 10.80
First Business Financial Services (FBIZ) United States $0.598B 11.14
Civista Bancshares (CIVB) United States $0.566B 9.52
First Western Financial (MYFW) United States $0.299B 16.45
Ames National (ATLO) United States $0.286B 12.52
Ohio Valley Banc (OVBC) United States $0.212B 14.92
CSB Bancorp (CSBB) United States $0.200B 13.17
Eagle Bancorp Montana (EBMT) United States $0.175B 10.75
BNCCORP (BNCC) United States $0.113B 12.69
United Bancshares (UBOH) United States $0.108B 9.99
United Bancorp (UBCP) United States $0.090B 11.41
Central Plains Bancshares (CPBI) United States $0.090B 18.19
Solera National Bancorp (SLRK) United States $0.086B 3.34
Commercial National Financial (CEFC) United States $0.062B 9.13