BY vs SRCE

Key Takeaways

• BY (Byline Bancorp) and SRCE (1st Source Corporation) are both well-capitalized regional banks, but they differ markedly in scale, geographic focus, and specialty lending exposure.
• Byline Bancorp delivered record full-year 2025 revenues of $446.3 million and expanded its net interest margin (NIM) to 4.35% in the fourth quarter, reflecting strong post-acquisition momentum following its First Security Bancorp integration.
• 1st Source Corporation posted its fifth consecutive year of record net income in 2025 at $158.28 million, supported by a 4.29% fourth-quarter NIM and an exceptionally low net charge-off rate of just 0.06% of average loans.
• While both banks have demonstrated robust profitability, SRCE's 38-year streak of consecutive dividend increases and a Common Equity Tier 1 (CET1) ratio of 15.52% signal a more conservative, income-oriented profile compared to BY's growth-focused acquisition strategy.
• In terms of market positioning, BY has rallied roughly 35% year-to-date, while SRCE has gained approximately 45% over the past 12 months — both substantially outperforming broader regional bank indices.
• Credit quality trends differ: BY has seen non-performing loans rise to 95 basis points of total loans, whereas SRCE's nonperforming assets have moderated from a mid-2025 peak, though both remain within manageable ranges.

Introduction

Investors evaluating regional banks often face a nuanced choice between growth-oriented institutions expanding through acquisitions and conservative operators with multi-decade track records of steady returns. BY (Byline Bancorp, Inc.) and SRCE (1st Source Corporation) represent two distinct approaches within the U.S. regional banking landscape. Byline Bancorp, headquartered in Chicago, has pursued an aggressive commercial banking expansion strategy, while South Bend-based 1st Source has built its reputation on specialty finance niches and an unbroken 38-year dividend growth record. This head-to-head comparison examines their recent performance, risk profiles, and strategic positioning to help market participants assess which institution may be better suited to current conditions.

BY Overview and Recent Performance

BY, the holding company for Byline Bank, is a full-service commercial bank primarily serving small and medium-sized businesses, commercial real estate clients, and financial sponsors across the Chicago and Milwaukee metropolitan areas. With total assets approaching $10 billion as of early 2026, the bank has expanded meaningfully through both organic growth and acquisitions — most notably the integration of First Security Bancorp, completed in the first half of 2025.

In recent months, Byline has sustained strong financial momentum. Full-year 2025 results showed record revenues of $446.3 million and net income of $130.1 million, translating to diluted earnings per share (EPS) of $2.89. The fourth quarter alone posted a NIM of 4.35%, up 8 basis points (bps) from the prior quarter and well above the 4.01% recorded a year earlier. The efficiency ratio improved to 50.32%, while the CET1 ratio — a key measure of a bank's core capital strength — stood at 12.33%. The Board raised the dividend 20% to $0.12 per share, and the company repurchased roughly 346,000 shares in the fourth quarter. Stock price appreciation has been notable: BY shares roughly 35% higher year-to-date through late July 2026, with the stock trading near its 52-week high. That said, non-performing loans ticked up to 95 basis points of total loans, a metric that warrants monitoring as the bank crosses the $10 billion asset threshold.

SRCE Overview and Recent Performance

SRCE, the parent company of 1st Source Bank, traces its origins to 1863 and operates across Indiana, Michigan, and Florida. The bank differentiates itself through a Specialty Finance Group that provides equipment, aircraft, and vehicle financing nationwide — with construction equipment loans of $1.21 billion, aircraft loans of $1.13 billion, and a growing renewable energy portfolio of $573 million as of year-end 2025.

Recent financial performance has been among the strongest in the bank's history. 1st Source reported record net income of $158.28 million for 2025, an increase of 19.34% year-over-year, with diluted EPS reaching $6.41. The fourth-quarter NIM expanded to 4.29%, up 51 bps from the same period in 2024. Return on average assets (ROAA) climbed to 1.76%, and return on average common equity reached 13.16%. Credit quality remains a relative strength: net charge-offs were just 0.06% of average loans in 2025, down from 0.09% in 2024. The CET1 ratio of 15.52% far exceeds regulatory requirements and reflects a historically conservative capital structure. The quarterly dividend was raised 11.11% to $0.40 per share, extending the bank's remarkable 38-year streak of consecutive annual increases. The stock has climbed approximately 45% over the trailing twelve months and recently traded near all-time highs around $90 per share.

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Head-to-Head Comparison

Both BY and SRCE are well-managed regional banks, but their differences are instructive. Byline Bancorp operates with a smaller market capitalization of roughly $1.78 billion versus 1st Source's approximately $2.17 billion, and its P/E ratio of about 11.8 sits modestly below SRCE's 13.0. This discount may partially reflect BY's higher credit risk profile — non-performing assets have risen in recent quarters — compared to SRCE's more benign credit trends and net charge-off rate that is among the lowest in the regional banking peer group.

Geographic concentration is another differentiator. BY is heavily weighted toward the Chicago commercial market, where competition is intense but deal flow remains robust. SRCE, by contrast, combines a stable Midwest community banking franchise with a nationwide specialty finance operation that diversifies revenue streams beyond traditional spread-based lending. SRCE's specialty segments — particularly construction equipment and aircraft financing — add cyclical exposure but also provide higher yields than conventional commercial loans.

On the capital return front, SRCE's 38-year dividend growth streak and higher dividend yield (roughly 1.91% versus BY's 1.43%) appeal to income-oriented investors, while BY's active share repurchase program and acquisition-driven expansion strategy may attract those seeking capital appreciation. Both banks have benefited from the elevated interest rate environment, with NIMs well above the regional bank average, though margin sustainability will depend on future Federal Reserve policy moves.

Tickeron AI Verdict

Based on observable trend consistency, capital strength, credit quality metrics, and dividend reliability, Tickeron's AI-driven analysis would likely lean in favor of SRCE for risk-conscious investors in the current environment. The bank's five-year streak of record earnings, exceptionally low net charge-offs, CET1 ratio exceeding 15%, and 38-year dividend growth record collectively signal a rare combination of profitability and stability. That said, BY presents a compelling case for growth-oriented investors, given its strong operating leverage, successful acquisition integration, aggressive buyback activity, and improving efficiency ratios. In probabilistic terms, SRCE appears better positioned for steady, lower-volatility compounding, while BY offers higher potential upside tied to continued execution of its Chicago market consolidation strategy — each appealing to different investor profiles.

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