Regional banking company Columbia Banking System (NASDAQ: COLB) met Wall Street’s revenue expectations in Q1 CY2026, with sales up 40.2% year on year to $677 million. Its non-GAAP profit of $0.72 per share was 5% 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 first quarter that met Wall Street’s revenue expectations and modestly exceeded consensus on non-GAAP earnings. Management attributed the period’s performance to ongoing balance sheet optimization and the seamless completion of its Pacific Premier systems integration, which included the closure of nine branches. CEO Clint Stein highlighted that solid commercial and industrial (C&I) loan production offset declines in transactional loans, while deposit growth helped reduce reliance on wholesale funding. The company also benefited from operational efficiencies and cost-saving initiatives realized ahead of schedule, supported by the use of artificial intelligence to streamline processes during the core systems conversion.

Looking ahead, management expects sustained profitability through continued focus on relationship-based lending, disciplined expense control, and further realization of integration synergies. CFO Ivan Seda pointed to stable loan balances for the year and projected a gradual expansion in net interest margin, driven by a shift towards higher-yielding core loans and a stable deposit base. The company plans to maintain its share repurchase activity, with $400 million remaining under its current authorization. Management views its balance sheet as neutrally positioned to interest rates, suggesting limited sensitivity to changes in the broader economic environment.

Key Insights from Management’s Remarks

Management emphasized that first quarter results were shaped by strong C&I loan generation, cost discipline, and successful execution of integration milestones.

• C&I Loan Growth: The commercial loan portfolio grew as new originations reached $1.2 billion, up 38% from the prior year, with production spread across core Pacific Northwest markets, California, and new geographies. Management credited this performance to focused outreach and a relationship-driven approach.

• Pacific Premier Integration: The systems conversion following the Pacific Premier acquisition was completed without significant customer attrition or operational disruption. Management noted high employee and customer retention, with positive feedback on the process and enhanced capabilities for bankers.

• Deposit Expansion Campaigns: Targeted small business and retail deposit campaigns generated nearly $450 million in new balances during the quarter, helping offset seasonal pressures and reducing the reliance on higher-cost brokered deposits. The acquired HOA business also contributed to deposit growth, adding a countercyclical benefit.

• Expense Synergy Realization: Cost savings from the Pacific Premier acquisition were realized faster than anticipated, with $102 million of the $127 million synergy target achieved by quarter-end. Management expects further reductions in the expense base as remaining synergies are captured by mid-year.

• AI-Driven Productivity: Artificial intelligence was used to automate data validation and customer support functions during the systems conversion, leading to faster integration, improved accuracy, and higher productivity without requiring additional staff. AI-powered customer service now handles the majority of routine queries, reducing demand on human agents.

Drivers of Future Performance

Management expects margin expansion, stable loan balances, and disciplined cost control to underpin results in the coming quarters.

• Net Interest Margin Expansion: The company anticipates its net interest margin (NIM) will cross 4% in the second quarter and continue to improve as the loan portfolio transitions from lower-yielding transactional loans to higher-yielding relationship-based C&I loans. This shift is expected to drive net interest income growth even in the absence of overall balance sheet expansion.

• Expense Reduction from Synergies: Further cost savings from the Pacific Premier integration are expected as remaining synergies are realized. Management projects that the operating expense run rate will decline in the second half of the year, supporting profitability and providing reinvestment capacity for growth initiatives.

• Deposit and Loan Growth Campaigns: Deposit campaigns and targeted hiring in new and existing markets are intended to sustain core deposit growth and strengthen the customer base. Management also highlighted a robust commercial loan pipeline, with future growth dependent on continued success in converting transactional clients to full relationship accounts.

Catalysts in Upcoming Quarters

Looking ahead, the StockStory team will be monitoring (1) the pace and effectiveness of relationship-based loan growth amid ongoing transactional portfolio runoff, (2) continued cost reductions and synergy capture from the Pacific Premier integration, and (3) progress in deposit campaigns and market expansion initiatives. Execution in these areas will be key to margin expansion and sustained profitability.

Columbia Banking System currently trades at $29.65, in line with $29.65 just before the earnings. Is there an opportunity in the stock?See for yourself in our full research report (it’s free).

Stocks That Trumped Tariffs

ALSO WORTH WATCHING: Top 5 Momentum Stocks. The best time to own a great stock is when the market is finally noticing it. These aren't just high-quality businesses. Something is happening with them right now. Elite fundamentals meeting near-term momentum — both boxes checked at the same time.

Find out which stocks our AI platform is flagging this week. See this week's Strong Momentum stocks — FREE. Get Our Strong Momentum Stocks for Free HERE.

Stocks that have made our list include now familiar names such as Nvidia (+1,326% between June 2020 and June 2025) as well as under-the-radar businesses like the once-micro-cap company Tecnoglass (+1,754% five-year return). Find your next big winner with StockStory today.