For the twelve months ended Sep 30, 2026, First Interstate BancSystem Inc. reported $1.07B of revenue and $315.10M of net income.
FIBK revenue was $249.50M in fiscal Q3 2026 (ended Sep 30, 2026), down 0.4% from a year earlier and down 5.5% from the prior quarter. For the full fiscal 2025 it was $1.06B, up 5.9% from fiscal 2024. Compound annual growth was +10.1% over 5 years and +10.6% over 10 years. It rose in 7 of the last 10 fiscal years.
FIBK net income was $62.20M in fiscal Q3 2026 (ended Sep 30, 2026), down 12.9% from a year earlier and down 25.9% from the prior quarter. For the full fiscal 2025 it was $302.10M, up 33.7% from fiscal 2024. Compound annual growth was +13.4% over 5 years and +13.3% over 10 years. It rose in 8 of the last 10 fiscal years. Fiscal 2025 is the highest of the 15 fiscal years on file.
FIBK diluted EPS was $0.65 in fiscal Q3 2026 (ended Sep 30, 2026), down 5.8% from a year earlier and down 25.3% from the prior quarter. For the full fiscal 2025 it was $2.94, up 34.2% from fiscal 2024.
| Line item | Dec 31, 2025 | Dec 31, 2024 | Dec 31, 2023 | Dec 31, 2022 | Dec 31, 2021 | Dec 31, 2020 | Dec 31, 2019 | Dec 31, 2018 | Dec 31, 2017 | Dec 31, 2016 |
|---|---|---|---|---|---|---|---|---|---|---|
| Revenue | $1.06B | $999.70M | $1.03B | $1.11B | $638.70M | $653.70M | $637.60M | $571.30M | $491.60M | $416.30M |
| Interest expense | - | - | $401.30M | $78.90M | $17.30M | $26.60M | $59.00M | $40.90M | $28.00M | $17.60M |
| Pre-tax income | $391.70M | $294.50M | $336.80M | $257.10M | $247.80M | $209.30M | $235.10M | $206.30M | $156.70M | $145.30M |
| Income tax | $89.60M | $68.50M | $79.30M | $54.90M | $55.70M | $48.10M | $54.10M | $46.10M | $50.20M | $49.60M |
| Net income | $302.10M | $226.00M | $257.50M | $202.20M | $192.10M | $161.20M | $181.00M | $160.20M | $106.50M | $95.70M |
| EPS, basic | $2.95 | $2.19 | $2.48 | $1.96 | $3.12 | $2.53 | $2.84 | $2.77 | $2.07 | $2.15 |
| EPS, diluted | $2.94 | $2.19 | $2.48 | $1.96 | $3.11 | $2.53 | $2.83 | $2.75 | $2.05 | $2.13 |
| Diluted shares | 102.8M | 103.2M | 103.8M | 103.3M | 61.7M | 63.7M | 63.9M | 58.2M | 51.9M | 44.9M |
| Line item | Dec 31, 2025 | Dec 31, 2024 | Dec 31, 2023 | Dec 31, 2022 | Dec 31, 2021 | Dec 31, 2020 | Dec 31, 2019 | Dec 31, 2018 | Dec 31, 2017 | Dec 31, 2016 |
|---|---|---|---|---|---|---|---|---|---|---|
| Cash and equivalents | $1.31B | $896.60M | $578.00M | $870.50M | $2.34B | $2.28B | $1.08B | $822.00M | $758.90M | $782.00M |
| Goodwill | $1.10B | $1.10B | $1.10B | $1.10B | $621.60M | $621.60M | $621.60M | $546.70M | $621.60M | $546.70M |
| Total assets | $26.64B | $29.14B | $30.67B | $32.29B | $19.67B | $17.65B | $14.64B | $13.30B | $12.21B | $9.06B |
| Long-term debt | $146.30M | $132.20M | $120.80M | $120.80M | $112.40M | $112.40M | $13.90M | $15.80M | $13.10M | $28.00M |
| Total debt | $146.30M | $132.20M | $120.80M | $120.80M | $112.40M | $112.40M | $13.90M | $15.80M | $13.10M | $28.00M |
| Total liabilities | $23.19B | $25.83B | $27.44B | $29.21B | $17.69B | $15.69B | $12.63B | $11.61B | $10.79B | $8.08B |
| Shareholders' equity | $3.45B | $3.30B | $3.23B | $3.07B | $1.99B | $1.96B | $2.01B | $1.69B | $1.43B | $982.60M |
| Line item | Dec 31, 2025 | Dec 31, 2024 | Dec 31, 2023 | Dec 31, 2022 | Dec 31, 2021 | Dec 31, 2020 | Dec 31, 2019 | Dec 31, 2018 | Dec 31, 2017 | Dec 31, 2016 |
|---|---|---|---|---|---|---|---|---|---|---|
| Operating cash flow | $305.60M | $355.00M | $428.00M | $534.40M | $282.30M | $268.30M | $127.30M | $219.00M | $154.60M | $118.00M |
| Investing cash flow | $2.31B | $1.76B | $1.25B | -$949.00M | -$2.12B | -$1.87B | -$16.80M | -$181.10M | -$130.60M | -$143.10M |
| Financing cash flow | -$2.20B | -$1.80B | -$1.97B | -$1.06B | $1.91B | $2.80B | $144.30M | $25.20M | -$47.10M | $26.60M |
| Dividends paid | $194.30M | $195.90M | $195.10M | $182.10M | $101.60M | $128.60M | $79.20M | $64.10M | $48.60M | $39.40M |
| Share repurchases | $121.90M | $1.20M | $34.00M | $199.00M | $5.40M | $116.80M | $2.50M | $1.00M | $1.30M | $26.90M |
| Stock-based compensation | $13.30M | $11.80M | $4.70M | $9.60M | $8.90M | $7.50M | $8.00M | $5.60M | $3.90M | $4.40M |
| Depreciation and amortization | $50.80M | $57.00M | $53.80M | $55.50M | $44.40M | $45.10M | $38.70M | $27.60M | $18.40M | $19.50M |
| Line item | Dec 31, 2025 | Dec 31, 2024 | Dec 31, 2023 | Dec 31, 2022 | Dec 31, 2021 | Dec 31, 2020 | Dec 31, 2019 | Dec 31, 2018 | Dec 31, 2017 | Dec 31, 2016 |
|---|---|---|---|---|---|---|---|---|---|---|
| Revenue growth, YoY | 5.9% | -2.5% | -7.2% | 73.1% | -2.3% | 2.5% | 11.6% | 16.2% | 18.1% | 7.9% |
| Net income growth, YoY | 33.7% | -12.2% | 27.3% | 5.3% | 19.2% | -10.9% | 13.0% | 50.4% | 11.3% | 10.3% |
| EPS growth, YoY | 34.2% | -11.7% | 26.5% | - | 22.9% | -10.6% | 2.9% | 34.1% | -3.8% | 12.1% |
| Net margin | 28.5% | 22.6% | 25.1% | 18.3% | 30.1% | 24.7% | 28.4% | 28.0% | 21.7% | 23.0% |
| Return on equity | 8.8% | 6.8% | 8.0% | 6.6% | 9.7% | 8.2% | 9.0% | 9.5% | 7.5% | 9.7% |
| Return on assets | 1.1% | 0.8% | 0.8% | 0.6% | 1.0% | 0.9% | 1.2% | 1.2% | 0.9% | 1.1% |
| Debt to equity | 0.04 | 0.04 | 0.04 | 0.04 | 0.06 | 0.06 | 0.01 | 0.01 | 0.01 | 0.03 |
| Line item | Sep 30, 2026 | Jun 30, 2026 | Mar 31, 2026 | Dec 31, 2025 | Sep 30, 2025 | Jun 30, 2025 | Mar 31, 2025 | Dec 31, 2024 | Sep 30, 2024 | Jun 30, 2024 | Mar 31, 2024 | Dec 31, 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Revenue | $249.50M | $263.90M | $241.80M | $313.00M | $250.50M | $248.30M | $247.00M | $261.30M | $251.90M | $244.30M | $242.20M | $252.30M |
| Interest expense | - | - | - | - | - | - | - | - | $122.50M | $122.30M | $124.60M | $116.50M |
| Pre-tax income | $81.90M | $108.20M | $77.50M | $139.20M | $92.60M | $93.50M | $66.40M | $66.70M | $72.70M | $78.40M | $76.70M | $80.90M |
| Income tax | $19.70M | $24.30M | $17.30M | $30.40M | $21.20M | $21.80M | $16.20M | $14.60M | $17.20M | $18.40M | $18.30M | $19.40M |
| Net income | $62.20M | $83.90M | $60.20M | $108.80M | $71.40M | $71.70M | $50.20M | $52.10M | $55.50M | $60.00M | $58.40M | $61.50M |
| EPS, basic | $0.66 | $0.87 | $0.61 | $1.08 | $0.69 | $0.69 | $0.49 | $0.50 | $0.54 | $0.58 | $0.57 | $0.59 |
| EPS, diluted | $0.65 | $0.87 | $0.61 | $1.07 | $0.69 | $0.69 | $0.49 | $0.50 | $0.54 | $0.58 | $0.57 | $0.59 |
| Diluted shares | 95.1M | 96.8M | 99.2M | - | 103.4M | 103.4M | 103.4M | - | 103.2M | 103.1M | 103.0M | - |
| Line item | Sep 30, 2026 | Jun 30, 2026 | Mar 31, 2026 | Dec 31, 2025 | Sep 30, 2025 | Jun 30, 2025 | Mar 31, 2025 | Dec 31, 2024 | Sep 30, 2024 | Jun 30, 2024 | Mar 31, 2024 | Dec 31, 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cash and equivalents | $1.25B | $1.17B | $1.21B | $1.31B | $1.45B | $1.09B | $871.40M | $896.60M | $698.60M | $958.50M | $635.00M | $578.00M |
| Goodwill | $1.10B | $1.10B | $1.10B | $1.10B | $1.10B | $1.10B | $1.10B | $1.10B | $1.10B | $1.10B | $1.10B | $1.10B |
| Total assets | $25.77B | $25.89B | $26.43B | $26.64B | $27.33B | $27.57B | $28.28B | $29.14B | $29.60B | $30.29B | $30.14B | $30.67B |
| Long-term debt | - | - | - | $146.30M | $146.20M | $252.00M | - | $132.20M | $137.30M | $383.40M | $370.80M | $120.80M |
| Total debt | - | - | - | $146.30M | $146.20M | $252.00M | - | $132.20M | $137.30M | $383.40M | $370.80M | $120.80M |
| Total liabilities | $22.61B | $22.56B | $23.07B | $23.19B | $23.88B | $24.14B | $24.92B | $25.83B | $26.23B | $27.06B | $26.94B | $27.44B |
| Shareholders' equity | $3.15B | $3.32B | $3.36B | $3.45B | $3.45B | $3.42B | $3.36B | $3.30B | $3.37B | $3.23B | $3.21B | $3.23B |
| Line item | Sep 30, 2026 | Jun 30, 2026 | Mar 31, 2026 | Dec 31, 2025 | Sep 30, 2025 | Jun 30, 2025 | Mar 31, 2025 | Dec 31, 2024 | Sep 30, 2024 | Jun 30, 2024 | Mar 31, 2024 | Dec 31, 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Operating cash flow | $105.70M | $57.90M | $55.00M | $67.30M | $91.70M | $68.10M | $78.50M | $95.20M | $89.90M | $82.30M | $87.60M | $69.30M |
| Investing cash flow | $126.10M | $234.50M | $186.30M | -$174.30M | $743.70M | $908.50M | $833.70M | $558.80M | $486.70M | $181.40M | $531.90M | -$76.30M |
| Financing cash flow | -$146.30M | -$334.00M | -$342.30M | -$32.50M | -$476.40M | -$757.80M | -$937.40M | -$456.00M | -$836.50M | $59.80M | -$562.50M | -$8.10M |
| Dividends paid | $45.20M | $46.00M | $45.70M | $48.10M | $49.10M | $49.10M | $48.00M | $49.00M | $49.10M | $49.00M | $48.80M | $48.70M |
| Share repurchases | $77.20M | $69.50M | $87.70M | $91.20M | $27.50M | $0 | $3.20M | $0 | $100.0K | $0 | $1.10M | $32.20M |
| Stock-based compensation | $3.20M | $3.50M | $2.30M | $2.80M | $3.30M | $3.30M | $3.90M | $2.10M | $3.60M | $3.20M | $2.90M | -$3.90M |
| Depreciation and amortization | $12.80M | $12.50M | $12.50M | $14.40M | $16.40M | $9.50M | $10.50M | $15.60M | $15.40M | $10.10M | $15.90M | $13.30M |
| Line item | Sep 30, 2026 | Jun 30, 2026 | Mar 31, 2026 | Dec 31, 2025 | Sep 30, 2025 | Jun 30, 2025 | Mar 31, 2025 | Dec 31, 2024 | Sep 30, 2024 | Jun 30, 2024 | Mar 31, 2024 | Dec 31, 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Revenue growth, YoY | -0.4% | 6.3% | -2.1% | 19.8% | -0.6% | 1.6% | 2.0% | 3.6% | -1.5% | -6.9% | -5.1% | -15.9% |
| Net income growth, YoY | -12.9% | 17.0% | 19.9% | 108.8% | 28.6% | 19.5% | -14.0% | -15.3% | -23.7% | -10.4% | 3.7% | -28.3% |
| EPS growth, YoY | -5.8% | 26.1% | 24.5% | 114.0% | 27.8% | 19.0% | -14.0% | -15.3% | -22.9% | -10.8% | 5.6% | -36.6% |
| Net margin | 24.9% | 31.8% | 24.9% | 34.8% | 28.5% | 28.9% | 20.3% | 19.9% | 22.0% | 24.6% | 24.1% | 24.4% |
| Debt to equity | - | - | - | 0.04 | 0.04 | 0.07 | - | 0.04 | 0.04 | 0.12 | 0.12 | 0.04 |
Source: XBRL data First Interstate BancSystem Inc. files with the SEC, latest filing dated Nov 2, 2026 (see filings on SEC EDGAR). Provided for information only, not investment advice. Check the filing before relying on a number.
* Worked out from the filings rather than stated in them: Q4 is the full year less the first nine months.
Per-share figures are as filed. The filings show no stock split in these periods.
EPS growth is left out where the share count moved enough to suggest a split the filings do not show. Growth rates need a positive starting figure. CAGR is compound annual growth between fiscal years. The CSV holds every period on file, in full figures, from the same SEC filings.
| Company | Revenue | Growth | Net income | Net margin | Market cap |
|---|---|---|---|---|---|
| FIBK | $1.07B | +6.1% | $315.10M | 29.5% | $3.56B |
| JPM | $203.15B | +13.2% | $65.98B | 32.5% | $908.43B |
| BAC | $120.16B | +5.4% | $32.24B | 26.8% | $348.81B |
| WFC | $87.23B | +5.4% | $22.97B | 26.3% | $256.63B |
| C | $85.22B | +5.6% | $14.31B | 16.8% | $201.89B |
| UBS | $49.57B | +2.0% | $7.80B | 15.7% | $151.93B |
| MFG | ¥8.79T | +7.6% | ¥1.16T | 13.2% | $122.19B |
| COF | $63.01B | +31.2% | $10.87B | 17.2% | $119.45B |
| BNS | C$37.74B | +12.1% | C$7.79B | 20.6% | $114.51B |