Regional banking company Columbia Banking System (NASDAQ: COLB) reported Q3 2026 results exceeding the market’s revenue expectations, with sales up 21.6% year on year to $704 million. Its non-GAAP profit of $0.82 per share was 6.8% above analysts’ consensus estimates.

Is now the time to buy COLB? Find out in our full research report (it’s free for active Edge members).

StockStory’s take

Columbia Banking System delivered a steady third quarter, with management crediting disciplined execution and a focus on relationship-driven commercial lending as key factors behind performance. CEO Clint Stein pointed to the continued shift toward core commercial loans and deposit growth as supporting net interest margin expansion. The integration of the PAC Premier acquisition and ongoing cost discipline also contributed to profitability, while branch optimization and operational improvements were highlighted as ongoing areas of focus. Stein emphasized, “Our results reflect the benefits of consistent execution even as the operating environment continued to shift.”

Looking ahead, Columbia Banking System’s outlook is shaped by sustained balance sheet optimization, ongoing reinvestment in technology and personnel, and a measured approach to capital deployment. Management expects net interest margins to remain above 4% in the next quarter, supported by stable deposit costs and continued commercial lending focus. CFO Ivan Seda noted that seasonal deposit outflows and the transition of subordinated debt may create short-term headwinds, but the company anticipates a return to margin expansion as these factors normalize. Stein reiterated confidence in the bank’s strategy, stating, “We remain confident in our strategy because our customers are attached to relationships, not a robot.”

Key insights from management’s remarks

Management attributed the quarter’s performance to a blend of relationship-focused commercial banking, deposit growth, cost control, and the full integration of recent acquisitions.

• Commercial lending focus: The company continued to prioritize relationship-based commercial loans over transactional lending, with commercial loans now comprising 43% of the portfolio, up from 39% a year earlier. This strategic shift is designed to improve profitability and reduce risk.
• Deposit growth momentum: Core customer deposits rose by nearly $1.2 billion, driven by a combination of new customer acquisition, deepening existing relationships, and targeted small business campaigns. Management emphasized disciplined pricing to maintain low deposit costs despite a rising interest rate environment.
• PAC Premier integration: The first anniversary of the PAC Premier acquisition marked a completed integration, which management described as the smoothest in over two decades. The transaction expanded Columbia’s footprint across key western markets, helping drive scale and operational efficiencies.
• Expense management discipline: Cost-saving initiatives, especially in vendor and contract spending, allowed the company to reinvest in technology and talent without raising total expenses. These savings provided flexibility for branch expansion and targeted hiring in high-growth markets.
• Branch network optimization: The company closed four branches and opened two new locations in Utah, reflecting a broader strategy to align physical presence with customer needs and growth opportunities. Management noted ongoing evaluation of branch profitability and market coverage, particularly in high-density and expansion markets.

Drivers of future performance

Columbia Banking System’s forward outlook is shaped by continued loan portfolio optimization, stable funding costs, and disciplined capital management, balanced against potential headwinds from seasonal deposit flows and market competition.

• Margin sustainability and expansion: Management expects net interest margins to remain slightly above 4% in coming quarters, with a gradual upward trajectory supported by loan repricing, balance sheet optimization, and disciplined deposit pricing. CFO Ivan Seda cautioned that seasonal deposit outflows and elevated subordinated debt will be short-term headwinds, but anticipates a positive impact from debt redemption and core deposit growth as 2027 approaches.
• Continued investment in growth: The company plans ongoing investments in technology, commercial banking talent, and wealth management to drive fee income and operational efficiency. Management indicated that expense growth will track inflation, with a focus on finding cost offsets to fund these investments without materially raising overall expense levels.
• Competitive landscape and risk management: Leadership acknowledged intensified competition in commercial real estate lending, with some market participants offering aggressive terms. Columbia’s strategy is to maintain pricing and structural discipline, even if it means passing on some deals, to protect asset quality and long-term returns. Management also cited a resilient deposit base and diversified loan portfolio as strengths in navigating potential macroeconomic uncertainties.

Catalysts in upcoming quarters

Looking ahead, our team will be watching (1) whether Columbia can sustain margin expansion as deposit and loan pricing pressures persist, (2) the success of ongoing branch network optimization and targeted market expansion, and (3) maintenance of cost discipline while investing in technology and talent. Execution on these fronts will be key to supporting long-term profitability and competitive positioning.

Columbia Banking System currently trades at $29.88, in line with $29.89 just before the earnings. In the wake of this quarter, is it a buy or sell? The answer lies in our full research report (it’s free).

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