Business Context and Reporting Period
Company: First Interstate BancSystem, Inc. (FIBK)
Filing Type: Form 10-Q (Unaudited)
Period Ended: March 31, 2026
Overview: A community banking holding company operating 273 offices across ten states. The company focuses on relationship-driven organic growth, optimizing its branch network, and managing credit risk. During the quarter, the company exited North Dakota and Minnesota, closed four Nebraska branches, and sold eleven Nebraska branches to Security First Bank.
Key Financial Metrics
| Metric (in millions, except per share) | Q1 2026 | Q1 2025 | Dec 31, 2025 |
|---|---|---|---|
| Net Income | $60.2 | $50.2 | - |
| Earnings Per Share (Diluted) | $0.61 | $0.49 | - |
| Total Assets | $26,426.8 | - | $26,640.6 |
| Total Deposits | $21,883.0 | - | $22,088.3 |
| Net Loans Held for Investment | $14,532.6 | - | $15,010.2 |
| Net Interest Income | $200.7 | $205.0 | - |
| Noninterest Income | $41.1 | $42.0 | - |
| Noninterest Expense | $157.6 | $160.6 | - |
| Provision for Credit Losses | $6.7 | $20.0 | - |
| Cash and Cash Equivalents | $1,208.7 | - | $1,309.7 |
| Stockholders' Equity | $3,358.5 | - | $3,447.0 |
Key Ratios:
- Net Interest Margin (GAAP): 3.41% (Q1 2026) vs 3.19% (Q1 2025)
- Net Interest Margin (FTE): 3.43% (Q1 2026) vs 3.22% (Q1 2025)
- Allowance for Credit Losses to Loans: 1.33% (Q1 2026) vs 1.26% (Dec 2025)
- Non-Performing Assets to Total Assets: 0.61% (Q1 2026) vs 0.52% (Dec 2025)
Material Changes vs. Prior Period
- Profitability: Net income increased $10.0 million (20%) year-over-year, driven primarily by a $13.3 million reduction in the provision for credit losses ($6.7M vs $20.0M in Q1 2025).
- Interest Income: Net interest income decreased $4.3 million year-over-year due to lower average loan balances, though the net interest margin expanded due to reduced interest expense on deposits and other borrowed funds.
- Asset Quality: Non-performing assets increased 17.5% to $162.5 million, primarily due to a single client relationship involving commercial and commercial real estate loans. Non-accrual loans rose to $154.8 million.
- Balance Sheet: Total assets decreased $213.8 million quarter-over-quarter, driven by declines in loans and cash, partially offset by a $379.8 million increase in investment securities.
- Expense Management: Noninterest expense decreased $3.0 million year-over-year, aided by lower FDIC insurance premiums and OREO expenses.
Guidance, Outlook, and Risks
- Strategic Actions: The company is executing a branch optimization strategy, having exited North Dakota and Minnesota and reduced its Nebraska footprint. A banking organization redesign was completed to flatten the management structure and accelerate local decision-making.
- Subsequent Events: On April 10, 2026, the sale of eleven Nebraska branches closed, with the company anticipating a pre-tax gain of approximately $19.5 million. A quarterly dividend of $0.47 per share was declared on April 28, 2026.
- Capital Management: The company repurchased 2.4 million shares for $84.0 million during Q1 2026. As of March 31, 2026, $98.4 million remained available under the repurchase program (total authorization $300.0 million).
- Risks: Management cites potential economic volatility, including recessionary signs, trade policy changes (tariffs), and geopolitical uncertainty (Iran conflict) as risks that could impact deposit levels and credit quality.
- Liquidity: The company maintains ample liquidity with $11.1 billion in total available liquidity, including $5.0 billion in FHLB borrowing capacity and $4.9 billion in FRB borrowing capacity.
Investor Verification Checklist
- Credit Concentration: Verify the specific details and collateral coverage of the single client relationship driving the 17.5% increase in non-performing assets.
- Branch Optimization Impact: Monitor the financial impact of the Nebraska branch sale and closures on future revenue and operating expenses.
- Loan Portfolio Runoff: Track the decline in the indirect consumer loan portfolio, which the company is no longer originating, to assess its impact on future noninterest income.
- Interest Rate Sensitivity: Review the asset-liability management strategy given the current interest rate environment and the company's exposure to variable-rate assets and liabilities.
- Regulatory Capital: Confirm that capital ratios remain well above the "well-capitalized" thresholds despite the increase in non-performing assets.