Columbia Banking System reported a strong end to a 'tremendous' 2025, with Q4 operating EPS rising 15% year-over-year to $0.82 and GAAP EPS increasing 6% to $0.72. Net interest margin expanded significantly to 4.06%, up 22 basis points sequentially, driven by balance sheet optimization and the full-quarter contribution from the Pacific Premier (PAC Premier) acquisition. Pre-provision net revenue (PPNR) surged 27% quarter-over-quarter, reflecting disciplined expense management and robust core fee income growth. Management maintained a confident outlook for 2026, projecting NIM to surpass 4% again by Q2 or Q3 after a seasonal dip in Q1, and announced plans to aggressively return capital via share buybacks increased to a range of $150 million to $200 million per quarter.
| Metric | Value | Change |
|---|---|---|
| Operating EPS | $0.82 | +15% YoY |
| GAAP EPS | $0.72 | +6% YoY |
| Net Interest Margin | 4.06% | +22 bps QoQ |
| Pre-provision Net Revenue (PPNR) | N/A | +27% QoQ |
| Tangible Book Value | $19.11 | +3% QoQ / +11% YoY |
| Common Dividend | $0.37/share | +$0.01 QoQ |
| CET1 Ratio | 11.8% | Increase QoQ |
| Loans | $47.8B | -$0.7B QoQ |
| Deposits | $54.2B | -$1.6B QoQ |
Management emphasized that the PAC Premier acquisition was the 'missing puzzle piece' to complete their Western footprint, significantly enhancing their competitive position in Southern California where they now hold a top 10 deposit market share. The integration is proceeding ahead of schedule with 'seamless' cultural alignment, evidenced by specific examples of legacy PAC Premier bankers successfully cross-selling products to larger clients. This strategic expansion provides a new runway for growth by combining PAC Premier's specialized capabilities, such as their custodial trust business and API marketplace, with Columbia's existing platform.
A major strategic shift highlighted was the prioritization of profitability over balance sheet growth. Management is intentionally allowing lower-yielding transactional loans to runoff and reducing brokered deposits to optimize the funding structure. This strategy drove the 22 basis point expansion in Net Interest Margin to 4.06% and is expected to continue driving profitability, with NIM projected to exceed 4% again in Q2 or Q3 of 2026.
Columbia is executing an aggressive capital deployment strategy, signaling a shift toward maximizing shareholder returns. The company plans to increase quarterly share repurchases to a range of $150 million to $200 million in 2026, funded by over $600 million in excess capital. CEO Clint Stein explicitly stated that the company is undervalued and that buying back stock is the 'best investment we can make,' indicating a strong commitment to reducing the share count even as the stock price appreciates.
The bank is leveraging its expanded footprint to drive fee income growth, which reached a 'high watermark' in Q4. Management cited strong performance in swap and syndication revenue, treasury management, and international banking. The integration of PAC Premier's wealth management and custodial trust platform is expected to further diversify revenue streams and deepen customer relationships, supporting a target for core fee income in the low to mid-eighties per quarter.
De novo expansion remains a key pillar of Columbia's growth strategy, with new locations opened in Arizona, Colorado, California, and Oregon during 2025. These investments are funded by efficiency savings from prior initiatives and are reportedly reaching profitability within twelve months. This targeted physical expansion complements the M&A strategy, allowing the bank to capture market share in high-growth Western markets.
Management guided for a decline in Net Interest Margin in the first quarter of 2026 to a range of 3.9% to 3.95%, down from 4.06% in Q4. This contraction is attributed to the absence of one-time benefits such as premium amortization on acquired time deposits and accelerated loan repayments. While the decline is presented as seasonal and temporary, it introduces near-term volatility to earnings power.
The balance sheet contracted during the quarter, with gross loans declining by approximately $700 million and total deposits decreasing by $1.6 billion. While management frames this as intentional optimization of lower-yielding assets and brokered deposits, sustained contraction could pressure long-term growth trajectories. Management guided for earning assets to remain 'relatively flat' in 2026, suggesting limited organic loan growth potential outside of offsetting runoff.
Credit migration trends showed a movement of roughly $130 million from special mention to substandard classifications. Management attributed this to elongated downturns rather than immediate performance degradation, but the migration warrants monitoring. Additionally, the bank sold $45 million of adversely rated loans from the PAC Premier portfolio, indicating some cleanup is required on the acquired credit book.
The upcoming systems conversion for PAC Premier represents a significant operational risk. While management expressed confidence based on the team's experience with '20 plus systems conversions,' the integration of complex core banking systems historically carries execution risks that could disrupt customer service or incur unexpected costs.
Expense guidance for 2026 remains elevated, with operating noninterest expense expected to be in the range of $335 million to $345 million for the first half of the year. While cost savings from PAC Premier are anticipated to materialize by Q3, the high absolute level of expenses suggests that achieving further operating leverage may be challenging in the near term.
Overall: Management exhibited a high level of confidence and enthusiasm throughout the call, frequently describing the quarter as 'tremendous' and the integration of PAC Premier as 'seamless.' There was no defensiveness regarding balance sheet contraction; instead, executives framed loan runoff and deposit declines as intentional optimization strategies to enhance profitability. The tone shifted from celebratory in prepared remarks to highly detailed and assured during the Q&A, where they provided specific examples of cross-selling success.
Confidence: HIGH - Management provided specific quantitative guidance for NIM, expenses, and buybacks, and used definitive language regarding the success of the PAC Premier integration. The willingness to increase buyback activity significantly despite a rising stock price signals strong conviction in internal capital generation.
3.9% to 3.95%
Surpass 4% in Q2 or Q3
$335 million to $345 million
$150 million to $200 million per quarter
Relatively flat (offsetting runoff)
$60.5 billion to $61 billion
Hedging & Uncertainty: Management used minimal hedging regarding past performance, utilizing strong, definitive descriptors like 'tremendous,' 'strong,' and 'seamless.' However, forward-looking statements regarding the balance sheet and NIM included temporal qualifiers such as 'expect to trend higher,' 'should continue,' and 'modest decline.' For instance, Ivan Seda stated, 'We expect net interest margin in the first quarter to land in a range... consistent with what we indicated,' which shows confidence but allows for variability. The use of 'modest' to describe earning asset contraction serves to soften the impact of negative news.
PAC Premier was the missing puzzle piece to complete our Western footprint. - Clint Stein, CEO
We will continue to prioritize profitability over growth just for the sake of growth. - Clint Stein, CEO
I still firmly believe that [buybacks] make sense for us... The best investment we can make is in our own company. - Clint Stein, CEO
We are very pleased with the financial results for the fourth quarter, driving over 1.4% ROAA and over 17% return on tangible common equity. - Ivan Seda, CFO
We expect net interest margin... to trend higher each quarter throughout 2026... ultimately surpassing 4% net interest margin in the second or third quarter. - Ivan Seda, CFO
Analyst Sentiment: Analysts were generally inquisitive and constructive, focusing heavily on the mechanics of the PAC Premier integration, the sustainability of the Net Interest Margin, and the specifics of loan runoff versus retention. Questions regarding the 'missing puzzle piece' narrative and cross-selling examples suggest analysts are buying into the strategic rationale.
Management Responses: Management responses were detailed and data-driven, often providing specific examples (e.g., specific client wins) to illustrate broader trends. They did not deflect on questions regarding credit quality or balance sheet contraction, instead using them as opportunities to explain their 'profitability over growth' philosophy.
PAC Premier Integration: Analysts sought confirmation on the cultural integration and systems conversion timeline. Management provided specific examples of cross-selling success and confirmed the conversion is on track for this quarter.
Loan Runoff & Retention: There was significant focus on the transactional loan portfolio. Management clarified that they are retaining 75-80% of maturing transactional multifamily loans and backfilling runoff with higher-yielding C&I loans.
Balance Sheet Optimization: Discussions centered on the trade-off between earning asset contraction and NIM expansion. Management emphasized that reducing lower-yielding assets is a deliberate strategy to improve ROE.
Capital Allocation: Analysts probed the appetite for buybacks given the rising stock price. Management reaffirmed their commitment to aggressive repurchases, stating they view the stock as undervalued.
Columbia Banking System is demonstrating exceptional post-merger integration execution with the PAC Premier acquisition, which has already driven significant NIM expansion and operating leverage. The shift in strategy to prioritize profitability over balance sheet growth is yielding tangible results, with NIM exceeding 4% and PPNR up 27%. The bank possesses a strong capital position that is being aggressively returned to shareholders through a significantly expanded buyback program and a growing dividend. While Q1 may see a seasonal dip in NIM, the trajectory for 2026 points to sustained high-teens ROTE and continued efficiency gains. The combination of a 'tremendous' operational performance, a clear strategic roadmap, and shareholder-friendly capital deployment makes COLB a compelling opportunity in the regional banking sector.
Management noted that deposit betas have been over 50% since Q2, and they expect continued improvement in funding costs as they execute their 'rates down deposit playbook.' They anticipate NIM to expand throughout 2026 independent of further Fed cuts due to balance sheet optimization.
Management highlighted that they were 'untouched by external events that negatively impacted some of our peer banks' in 2025. Credit metrics remain stable with an allowance for credit losses at 1.02% of loans, suggesting resilience in the current economic environment.
CEO Clint Stein explicitly stated 'no interest in M&A,' indicating that the current focus is purely on organic integration and internal optimization rather than further consolidation in the banking sector.