First Interstate BancSystem, Inc. (FIBK) Stock Analysis
Financial Services · Banks - Regional · NasdaqGS
First Interstate BancSystem, Inc. (FIBK) posted $1.06B in revenue for fiscal 2025 (up 5.9% year over year), at a 28.5% net margin, per its SEC filings.
Data last refreshed August 2, 2026 from SEC filings · how we compute this
The analyst's take on First Interstate BancSystem, Inc.
First Interstate BancSystem, Inc. has grown revenue from $0 to $1.06B over the last 10 fiscal years. The most recent year was up 5.9%.
Net margin sits at 28.5%, up 5.9 points year over year.
The one thing worth a second look in the filings is share count rising (dilution).
Synthesised from First Interstate BancSystem, Inc.'s SEC filings — descriptive, not advice. Ask the analyst your own question →
First Interstate BancSystem, Inc. revenue & earnings — last 10 fiscal years
| Metric | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
|---|---|---|---|---|---|---|---|---|---|---|
| Revenue | $0 | $0 | $0 | $0 | $0 | $0 | $1.11B | $1.03B | $999.70M | $1.06B |
| Gross profit | — | — | — | — | — | — | — | — | — | — |
| Net income | $95.70M | $106.50M | $160.20M | $181.00M | $161.20M | $192.10M | $202.20M | $257.50M | $226.00M | $302.10M |
| Net margin | — | — | — | — | — | — | 18.2% | 25.1% | 22.6% | 28.5% |
Source: First Interstate BancSystem, Inc. SEC filings (10-K). 17 years of history available in the interactive view.
First Interstate BancSystem, Inc.: 1 potential red flag in the filings
Patterns in the filed statements worth a second look — computed and cited, not AI guesswork, and not a signal to sell. The kind of thing that hides in a 10-K.
- Share count rising (dilution)Shares outstanding grew 62.5% over 4 years (62.2M → 101.1M) — existing holders' stakes are being diluted.
Explore 17 years of First Interstate BancSystem, Inc. financials — interactive
Full income statement, balance sheet and cash flow with CAGR and trend on every row, 48 quarters, valuation ratios, plain-English health checks, and Ask — our SEC-grounded research assistant.
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First Interstate BancSystem, Inc. financial history by metric
Compare First Interstate BancSystem, Inc. with peers
About First Interstate BancSystem, Inc.
First Interstate BancSystem, Inc. operates as a bank holding company for First Interstate Bank that provides a range of banking products and services in the United States. The company offers various traditional depository products, including checking, savings, and time deposits; and repurchase agreements primarily for commercial and municipal depositors. It also provides a range of trust, employee benefit, investment management, insurance, agency, and custodial services, including administration of estates and personal trusts; manages investment accounts for individuals; employee benefit plans and charitable foundations; and insurance planning. The company's loan portfolio includes real estate loans, such as commercial real estate, construction, residential, agricultural, and other real estate loans; consumer loans, including direct personal loans, credit card loans and lines of credit, and indirect loans; variable and fixed rate commercial loans for small and medium-sized manufacturing, wholesale, retail, and service businesses for working capital needs and business expansions; and agricultural loans. In addition, it offers marketing, credit review, loan servicing, credit cards servicing, mortgage loan sales and servicing, indirect consumer loan and processing, loan collection services, other operational, and specialized staff support services, as well as online and mobile banking services. The company serves individuals, businesses, municipalities, and other entities in various industries, including agriculture, construction, education, governmental services, healthcare, hospitality, housing, professional services, real estate development, retail, technology, tourism, and wholesale trade. First Interstate BancSystem, Inc. was formerly known as First Interstate Bancsystem Of Montana, Inc. and changed its name to First Interstate BancSystem, Inc. in June 1993. The company was founded in 1879 and is headquartered in Billings, Montana.
First Interstate BancSystem, Inc. — frequently asked questions
What is First Interstate BancSystem, Inc.'s revenue?
First Interstate BancSystem, Inc. (FIBK) reported revenue of $1.06B for fiscal year 2025, up 5.9% from the prior year, according to its SEC filings.
Is First Interstate BancSystem, Inc. profitable?
Yes. FIBK earned net income of $302.10M in fiscal 2025, a net margin of 28.5%.
What is FIBK's P/E ratio?
First Interstate BancSystem, Inc. trades at a price-to-earnings ratio of about 11.8 based on the latest data in our nightly-refreshed cache.
How much debt does First Interstate BancSystem, Inc. have?
As of fiscal year 2025, FIBK carried roughly $0 in total debt (short- plus long-term borrowings), per its filed balance sheet.
What is First Interstate BancSystem, Inc.'s market cap?
First Interstate BancSystem, Inc. (FIBK) has a market capitalization of about $3.52B, based on the latest data in our nightly-refreshed cache.
When does First Interstate BancSystem, Inc.'s fiscal year end?
FIBK's fiscal year ends in December. Its most recent annual filing covers the fiscal year ending 2025-12-31.
Where does this data come from?
All figures are computed from First Interstate BancSystem, Inc.'s official SEC filings (10-K and 10-Q), covering 17 years of history, refreshed nightly. stockportfolio.pro does not provide investment advice.