Byline Bancorp, Inc. is leveraging optimized interest income and strategic capital management to drive record-breaking top-line growth, signaling a robust operational phase despite rising deposit costs. The Chicago-based parent company of Byline Bank reported third-quarter 2026 total revenue of $121.0 million, marking a 2.8% increase from the previous quarter and a 4.6% increase year-over-year. This revenue surge was fueled by a record net interest income (NII) of $103.7 million, which grew 2.8% sequentially. While the bank faced a three-basis-point increase in the average cost of total deposits to 1.95%, it successfully expanded its net interest margin (NIM) by five basis points to 4.33%. This margin expansion suggests the company is effectively balancing higher yields on investment securities and reduced wholesale funding against the rising cost of maintaining its deposit base. For institutional investors and market observers, these results highlight a period of significant scale and efficiency, even as the bank navigates the complexities of a shifting interest rate environment and ongoing integration of recent acquisitions.
Byline Bancorp 3Q26 Financial Performance
The company’s third-quarter results reflect a period of high profitability, characterized by a net income of $41.8 million and diluted earnings per share (EPS) of $0.94. This EPS represents a 4.4% increase from the second quarter and a 14.6% jump compared to the same period in 2025. A key driver of this performance was the record net interest income of $103.7 million, which the company attributed to higher interest income from investment securities and lower interest expense on borrowings, specifically following a $268.7 million reduction in wholesale funding.
However, the bank's expense profile also saw upward movement. Non-interest expense rose by 5.9% to $59.8 million, driven largely by a $3.4 million increase in salaries and employee benefits, alongside higher professional fees for legal and audit services. This rise in costs led to an efficiency ratio of 48.40%, a slight increase from the 46.93% reported in the second quarter. Despite these rising costs, the company maintained strong profitability metrics, including a return on average assets (ROAA) of 1.67% and a return on average tangible common equity (ROTCE) of 14.78%.
The bank's balance sheet remains heavily anchored by its deposit base, which grew by $168.3 million, or an 8.5% annualized rate, reaching $8.0 billion. This growth was primarily fueled by increases in non-interest-bearing demand deposits and interest-bearing accounts. Concurrently, the bank lowered its loan-to-deposit ratio to 93.22%, reflecting a strategic shift in how it manages liquidity and credit exposure.
Strategic Capital Allocation and Credit Quality
Byline Bancorp is actively pursuing a dual strategy of market expansion and aggressive capital return to its shareholders. Executive Chairman and CEO Roberto R. Herencia noted that the company returned more than $20 million to stockholders during the quarter through share repurchases and a 16.7% increase in the common dividend, which rose to $0.14 per share. This capital return strategy coincides with the company's ongoing efforts to expand its footprint through the acquisition of Illinois State Bancorp, Inc., the parent of First Nations Bank and The Bank of Bourbonnais. The company is positioning this acquisition to strengthen its core deposit base and enhance its commercial presence in the Chicago market.
On the credit side, the bank is managing a moderate increase in non-performing assets, which rose 21.6% to $87.9 million, or 0.89% of total assets, compared to the second quarter. This increase was primarily driven by a rise in non-accrual loans and leases. To mitigate potential risks, the allowance for credit losses (ACL) was increased to $113.0 million, bringing the ACL to total loans and leases held for investment to 1.51%.
The provision for credit losses for the quarter was $6.7 million, a 5.8% decrease from the $7.2 million recorded in the second quarter. The company attributed this decrease to improved collateral-related qualitative factors and lower period-end loan and lease balances, though these gains were partially offset by increased reserves for certain individually evaluated loans.
Key Takeaways
- Byline Bancorp achieved record total revenue of $121.0 million for Q3 2026, driven by a record net interest income of $103.7 million.
- The company expanded its net interest margin by five basis points to 4.33%, despite the average cost of total deposits rising to 1.95%.
- Total deposits grew by $168.3 million, representing an 8.5% annualized growth rate, bringing total deposits to $8.0 billion.
FinanceInsyte's Take
In our view, Byline Bancorp’s third-quarter performance demonstrates a highly effective management of the "spread" in a volatile interest rate environment. While many regional banks struggle with the rising cost of deposits, Byline has managed to expand its net interest margin through a combination of higher investment security yields and a decisive reduction in wholesale funding. The $268.7 million reduction in wholesale funding is a particularly sharp move that suggests a strategic pivot toward more stable, lower-cost deposit funding.
Furthermore, the company's aggressive capital return—increasing dividends by 16.7% and executing significant share repurchases—indicates high confidence in its liquidity position and future cash flows. However, the 21.6% increase in non-performing assets warrants close monitoring. While the bank has bolstered its allowance for credit losses to 1.51%, the upward trend in non-accrual loans suggests that credit quality in certain segments may be facing headwinds. Overall, Byline is successfully balancing aggressive growth and shareholder returns with a disciplined approach to balance sheet optimization.
Questions & Answers
How is Byline Bancorp managing its cost of funds amidst rising interest rates?
The company is reducing its reliance on more expensive wholesale funding, having lowered it by $268.7 million this quarter. This move, combined with higher yields on investment securities, allowed the bank to expand its net interest margin by five basis points to 4.33%, even as the average cost of total deposits rose by three basis points to 1.95%.
What is the strategic significance of the Illinois State Bancorp, Inc. acquisition?
According to CEO Roberto R. Herencia, the acquisition is intended to expand the company's market presence, strengthen its core deposit base, and integrate new banking talent and customer relationships as part of its vision to become a preeminent commercial bank in Chicago.
What are the primary drivers behind the increase in non-interest expenses?
The 5.9% increase in non-interest expense, which reached $59.8 million, was primarily driven by a $3.4 million rise in salaries and employee benefits, as well as higher professional fees related to legal, audit, and other services.
How is the bank addressing potential credit risks in its portfolio?
The bank has increased its allowance for credit losses (ACL) to $113.0 million, representing 1.51% of total loans and leases held for investment. This follows a 21.6% increase in non-performing assets, which reached $87.9 million, largely due to an increase in non-accrual loans and leases.
Source: Byline Bancorp
