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Side-by-side financial comparison of ASSOCIATED BANC-CORP (ASB) and FIRST INTERSTATE BANCSYSTEM INC (FIBK). Click either name above to swap in a different company.
ASSOCIATED BANC-CORP is the larger business by last-quarter revenue ($383.0M vs $313.0M, roughly 1.2× FIRST INTERSTATE BANCSYSTEM INC). FIRST INTERSTATE BANCSYSTEM INC runs the higher net margin — 34.8% vs 31.2%, a 3.5% gap on every dollar of revenue. Over the past eight quarters, FIRST INTERSTATE BANCSYSTEM INC's revenue compounded faster (13.7% CAGR vs 9.1%).
Associated Banc-Corp is a U.S. regional bank holding company providing retail banking, commercial banking, commercial real estate lending, private banking and specialized financial services. Headquartered in Green Bay, Wisconsin, Associated is a Midwest bank with from more than 220 banking locations serving more than 100 communities throughout Wisconsin, Illinois and Minnesota. The company also operates loan production offices in Indiana, Michigan, Missouri, New York, Ohio and Texas.
First Interstate BancSystem, Inc. is a financial holding company headquartered in Billings, Montana. It is the parent company of First Interstate Bank, a community bank with locations throughout 14 states within the Western and Midwestern United States. It is the largest bank based in Montana, as measured by total assets.
ASB vs FIBK — Head-to-Head
Income Statement — Q1 FY2026 vs Q4 FY2025
| Metric | | |
|---|---|---|
| Revenue | $383.0M | $313.0M |
| Net Profit | $119.6M | $108.8M |
| Gross Margin | — | — |
| Operating Margin | — | 44.5% |
| Net Margin | 31.2% | 34.8% |
| Revenue YoY | — | 19.8% |
| Net Profit YoY | 566.6% | 108.8% |
| EPS (diluted) | $0.70 | $1.07 |
Green = leading value per metric. Periods may differ when fiscal calendars don't align.
8-Quarter Revenue & Profit Trend
Side-by-side quarterly history. Quarters aligned by calendar period so offset fiscal years line up.
| Q1 26 | $383.0M | — | ||
| Q4 25 | $310.0M | $313.0M | ||
| Q3 25 | $305.2M | $250.5M | ||
| Q2 25 | $300.0M | $248.3M | ||
| Q1 25 | $285.9M | $247.0M | ||
| Q4 24 | $270.3M | $261.3M | ||
| Q3 24 | $329.7M | $251.9M | ||
| Q2 24 | $321.8M | $244.3M |
| Q1 26 | $119.6M | — | ||
| Q4 25 | $137.1M | $108.8M | ||
| Q3 25 | $124.7M | $71.4M | ||
| Q2 25 | $111.2M | $71.7M | ||
| Q1 25 | $101.7M | $50.2M | ||
| Q4 24 | $-161.6M | $52.1M | ||
| Q3 24 | $88.0M | $55.5M | ||
| Q2 24 | $115.6M | $60.0M |
| Q1 26 | — | — | ||
| Q4 25 | 52.6% | 44.5% | ||
| Q3 25 | 50.5% | 37.0% | ||
| Q2 25 | 46.5% | 37.7% | ||
| Q1 25 | 42.3% | 26.9% | ||
| Q4 24 | -65.8% | 25.5% | ||
| Q3 24 | 32.8% | 28.9% | ||
| Q2 24 | 32.0% | 32.1% |
| Q1 26 | 31.2% | — | ||
| Q4 25 | 44.2% | 34.8% | ||
| Q3 25 | 40.9% | 28.5% | ||
| Q2 25 | 37.1% | 28.9% | ||
| Q1 25 | 35.6% | 20.3% | ||
| Q4 24 | -59.8% | 19.9% | ||
| Q3 24 | 26.7% | 22.0% | ||
| Q2 24 | 35.9% | 24.6% |
| Q1 26 | $0.70 | — | ||
| Q4 25 | $0.80 | $1.07 | ||
| Q3 25 | $0.73 | $0.69 | ||
| Q2 25 | $0.65 | $0.69 | ||
| Q1 25 | $0.59 | $0.49 | ||
| Q4 24 | $-1.10 | $0.50 | ||
| Q3 24 | $0.56 | $0.54 | ||
| Q2 24 | $0.74 | $0.58 |
Balance Sheet & Financial Strength
Snapshot of each company's liquidity, leverage and book value from the latest quarter.
| Metric | | |
|---|---|---|
| Cash + ST InvestmentsLiquidity on hand | — | — |
| Total DebtLower is stronger | — | $146.3M |
| Stockholders' EquityBook value | $5.0B | $3.4B |
| Total Assets | $45.6B | $26.6B |
| Debt / EquityLower = less leverage | — | 0.04× |
8-quarter trend — quarters aligned by calendar period.
| Q1 26 | — | — | ||
| Q4 25 | $1.0B | $146.3M | ||
| Q3 25 | $594.1M | $146.2M | ||
| Q2 25 | $593.5M | $252.0M | ||
| Q1 25 | $591.4M | — | ||
| Q4 24 | $1.4B | $132.2M | ||
| Q3 24 | $844.3M | $137.3M | ||
| Q2 24 | $536.1M | $383.4M |
| Q1 26 | $5.0B | — | ||
| Q4 25 | $5.0B | $3.4B | ||
| Q3 25 | $4.9B | $3.4B | ||
| Q2 25 | $4.8B | $3.4B | ||
| Q1 25 | $4.7B | $3.4B | ||
| Q4 24 | $4.6B | $3.3B | ||
| Q3 24 | $4.4B | $3.4B | ||
| Q2 24 | $4.2B | $3.2B |
| Q1 26 | $45.6B | — | ||
| Q4 25 | $45.2B | $26.6B | ||
| Q3 25 | $44.5B | $27.3B | ||
| Q2 25 | $44.0B | $27.6B | ||
| Q1 25 | $43.3B | $28.3B | ||
| Q4 24 | $43.0B | $29.1B | ||
| Q3 24 | $42.2B | $29.6B | ||
| Q2 24 | $41.6B | $30.3B |
| Q1 26 | — | — | ||
| Q4 25 | 0.20× | 0.04× | ||
| Q3 25 | 0.12× | 0.04× | ||
| Q2 25 | 0.12× | 0.07× | ||
| Q1 25 | 0.13× | — | ||
| Q4 24 | 0.31× | 0.04× | ||
| Q3 24 | 0.19× | 0.04× | ||
| Q2 24 | 0.13× | 0.12× |
Cash Flow & Capital Efficiency
How much cash each business actually produces after reinvestment. Cash flow is harder to manipulate than net income.
| Metric | | |
|---|---|---|
| Operating Cash FlowLast quarter | — | $305.6M |
| Free Cash FlowOCF − Capex | — | — |
| FCF MarginFCF / Revenue | — | — |
| Capex IntensityCapex / Revenue | — | — |
| Cash ConversionOCF / Net Profit | — | 2.81× |
| TTM Free Cash FlowTrailing 4 quarters | — | — |
8-quarter trend — quarters aligned by calendar period.
| Q1 26 | — | — | ||
| Q4 25 | $218.1M | $305.6M | ||
| Q3 25 | $158.0M | $91.7M | ||
| Q2 25 | $141.5M | $68.1M | ||
| Q1 25 | $98.2M | $78.5M | ||
| Q4 24 | $207.1M | $355.0M | ||
| Q3 24 | $105.1M | $89.9M | ||
| Q2 24 | $113.5M | $82.3M |
| Q1 26 | — | — | ||
| Q4 25 | 1.59× | 2.81× | ||
| Q3 25 | 1.27× | 1.28× | ||
| Q2 25 | 1.27× | 0.95× | ||
| Q1 25 | 0.97× | 1.56× | ||
| Q4 24 | — | 6.81× | ||
| Q3 24 | 1.19× | 1.62× | ||
| Q2 24 | 0.98× | 1.37× |
Financial Flow Comparison
Revenue → gross profit → operating profit → net profit for each company.
Revenue Breakdown by Segment
ASB
| Net Interest Income | $307.2M | 80% |
| Noninterest Income | $75.9M | 20% |
FIBK
Segment breakdown not available.
