Columbia Banking System Reports 19% Revenue Surge to $2.32B, NIM Up to 4.06%
Columbia Banking System reported total 2025 revenues of $2.32 billion, a 19% year-over-year increase driven by higher net interest income and improved non-interest revenue. Net interest margin expanded 42 basis points to 4.06%, reflecting stronger lending activity and stabilizing funding costs.
1. 2025 Financial Performance
Columbia Banking System delivered total revenues of $2.32 billion in 2025, marking a 19% increase from the prior year. Net interest margin rose 42 basis points to 4.06%, supported by repricing of assets and stable funding costs.
2. Growth Drivers
Revenue growth was fueled by higher net interest income from robust loan demand across commercial and consumer segments, alongside improved non-interest income from fee-based services. Stabilizing deposit costs and a favorable asset mix also contributed to margin expansion.