First Interstate BancSystem Inc (NASDAQ:FIBK) — Market Cap & Net Worth
Market Cap & Net Worth: First Interstate BancSystem Inc (FIBK)
First Interstate BancSystem Inc (NASDAQ:FIBK) has a market capitalization of $3.51 Billion ($3.51 Billion) as of September 18, 2026. Listed on the NASDAQ stock exchange, this USA-based company holds position #4463 globally and #1529 in its home market, demonstrating a -0.81% decrease in market value over the past year.
Market capitalization, also known as net worth in stock markets, is calculated by multiplying First Interstate BancSystem Inc's stock price $36.92 by its total outstanding shares 95304607 (95.30 Million). Also see balance sheet size of First Interstate BancSystem Inc for a full breakdown of the balance sheet.
First Interstate BancSystem Inc Market Cap History: 2015 to 2026
First Interstate BancSystem Inc's market capitalization history from 2015 to 2026. Data shows growth from $1.88 Billion to $3.52 Billion (6.53% CAGR). Also see FIBK cash flow conversion for how efficiently the company converts equity into cash flow.
Index Memberships
First Interstate BancSystem Inc is a constituent of 2 market indices:
| Index | Total Market Cap | Weight (%) | Rank by Market Cap |
|---|---|---|---|
|
NASDAQ Financial 100
IXF
|
$1.03 Trillion | 0.34% | #65 of 100 |
|
NASDAQ Composite
IXIC
|
$41.69 Trillion | 0.01% | #510 of 3165 |
Weight: First Interstate BancSystem Inc's market cap as a percentage of total index value. Rank: Position among all constituents by market cap.
First Interstate BancSystem Inc Market Cap to Earnings & Revenue Ratios Timeline
This chart shows how First Interstate BancSystem Inc's valuation ratios have evolved. The Price to Sales (P/S) ratio compares market cap to revenue, while the Price to Earnings (P/E) ratio compares market cap to net income. Lower values may indicate a more undervalued company relative to its financial performance. Check latest First Interstate BancSystem Inc stock price today for real-time trading data and today's change.
Latest Price to Sales (P/S) Ratio
3.12x
First Interstate BancSystem Inc's market cap is 3.12 times its annual revenue
Latest Price to Earnings (P/E) Ratio
10.92x
First Interstate BancSystem Inc's market cap is 10.92 times its annual earnings
What These Ratios Tell Investors:
- Price to Sales (P/S) Ratio: Shows how much investors are paying for each dollar of the company's sales. Lower P/S ratios may indicate undervaluation.
- Price to Earnings (P/E) Ratio: Shows how much investors are paying for each dollar of the company's earnings. This is one of the most common valuation metrics.
- Trends in these ratios over time can indicate changing investor sentiment about the company's future growth prospects.
- Industry comparison provides context for whether the company is valued higher or lower than peers.
| Year | Market Cap (USD) | Revenue (USD) | Net Income (USD) | P/S Ratio | P/E Ratio |
|---|---|---|---|---|---|
| 2016 | $2.84 Billion | $429.70 Million | $95.70 Million | 6.60x | 29.62x |
| 2017 | $2.74 Billion | $519.60 Million | $106.50 Million | 5.26x | 25.68x |
| 2018 | $2.57 Billion | $612.20 Million | $160.20 Million | 4.19x | 16.01x |
| 2019 | $3.03 Billion | $696.60 Million | $181.00 Million | 4.35x | 16.75x |
| 2020 | $3.13 Billion | $680.30 Million | $161.20 Million | 4.60x | 19.41x |
| 2021 | $3.24 Billion | $656.00 Million | $192.10 Million | 4.94x | 16.87x |
| 2022 | $3.22 Billion | $1.18 Billion | $202.20 Million | 2.71x | 15.90x |
| 2023 | $2.74 Billion | $147.00 Million | $257.50 Million | 18.64x | 10.64x |
| 2024 | $3.09 Billion | $1.48 Billion | $226.00 Million | 2.09x | 13.69x |
| 2025 | $3.30 Billion | $1.06 Billion | $302.10 Million | 3.12x | 10.92x |
Competitor Companies of FIBK by Market Capitalization
Companies near First Interstate BancSystem Inc in the global market cap rankings as of September 18, 2026. Review FIBK goodwill-adjusted equity ratio to assess the quality of the company's equity after excluding intangible assets.
Key companies related to First Interstate BancSystem Inc by market ranking:
- Mizuho Financial Group Inc. (NYSE:MFG): Ranked #186 globally with a market cap of $130.47 Billion USD.
- China Merchants Bank Co Ltd (SHG:600036): Ranked #200 globally with a market cap of $123.52 Billion USD ( CN¥844.14 Billion CNY).
- BNP Paribas SA (PA:BNP): Ranked #203 globally with a market cap of $122.45 Billion USD ( €104.73 Billion EUR).
- UNICREDIT S.P.A. ADR (F:CRIP): Ranked #221 globally with a market cap of $112.81 Billion USD ( €96.49 Billion EUR).
| Rank | Company | Symbol | Market Cap | Price |
|---|---|---|---|---|
| #186 | Mizuho Financial Group Inc. | NYSE:MFG | $130.47 Billion | $10.93 |
| #200 | China Merchants Bank Co Ltd | SHG:600036 | $123.52 Billion | CN¥40.92 |
| #203 | BNP Paribas SA | PA:BNP | $122.45 Billion | €102.32 |
| #221 | UNICREDIT S.P.A. ADR | F:CRIP | $112.81 Billion | €32.20 |
First Interstate BancSystem Inc Historical Marketcap From 2015 to 2026
Between 2015 and today, First Interstate BancSystem Inc's market cap moved from $1.88 Billion to $ 3.52 Billion, with a yearly change of 6.53%.
| Year | Market Cap | Change (%) |
|---|---|---|
| 2026 | $3.52 Billion | +6.71% |
| 2025 | $3.30 Billion | +6.56% |
| 2024 | $3.09 Billion | +12.94% |
| 2023 | $2.74 Billion | -14.79% |
| 2022 | $3.22 Billion | -0.78% |
| 2021 | $3.24 Billion | +3.58% |
| 2020 | $3.13 Billion | +3.20% |
| 2019 | $3.03 Billion | +18.20% |
| 2018 | $2.57 Billion | -6.22% |
| 2017 | $2.74 Billion | -3.52% |
| 2016 | $2.84 Billion | +50.97% |
| 2015 | $1.88 Billion | -- |
End of Day Market Cap According to Different Sources
On Sep 17th, 2026 the market cap of First Interstate BancSystem Inc was reported to be:
| Source | Market Cap |
|---|---|
| Yahoo Finance | $3.51 Billion USD |
| MoneyControl | $3.51 Billion USD |
| MarketWatch | $3.51 Billion USD |
| marketcap.company | $3.51 Billion USD |
| Reuters | $3.51 Billion USD |
Market cap values may vary slightly between sources due to differences in calculation methods, timing, and data refresh rates.
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, employe… Read more