Southside Bancshares posts 23% profit jump as regional bank funding costs bite into margin
Regional U.S. community banks have spent the past year navigating a funding cost cycle that punished net interest margins even as loan books held steady. Against that backdrop, Southside Bancshares, Inc. (NYSE: SBSI) of Tyler,…
Key takeaways
- Southside Bancshares reported second-quarter 2026 net income of $26.8 million, a 23% increase from $21.8 million a year earlier, with diluted EPS rising to $0.90 from $0.72.
- The bank's net interest margin fell to 2.80% in Q2 2026 from 2.91% in Q1 2026, as deposit repricing and rising funding costs pressured margins.
- Net interest income reached $57.3 million, up 5.7% year-over-year, while noninterest income rose 15.3% to $14.0 million and noninterest expense fell to $38.7 million.
- For the first half of 2026, net income was $50.1 million, up 15.6% from $43.3 million a year earlier, with diluted EPS of $1.68 versus $1.42.
- Nonperforming assets stood at 0.11% of total assets, and the bank expects to meet mid-single digit loan growth for the full year.
Regional U.S. community banks have spent the past year navigating a funding cost cycle that punished net interest margins even as loan books held steady. Against that backdrop, Southside Bancshares, Inc. (NYSE: SBSI) of Tyler, Texas reported second-quarter 2026 net income of $26.8 million, a 23% rise from $21.8 million a year earlier, with earnings per diluted share climbing to $0.90 from $0.72.
Second-quarter result and what drove it
The year-over-year income gain reflected higher net interest income, stronger fee revenue, and tighter expense management. Net interest income reached $57.3 million for the quarter, up 5.7% from the same period in 2025, though it slipped $355,000 from Q1 2026 as funding costs rose and asset yields drifted lower. Noninterest income of $14.0 million added a 15.3% year-over-year gain, lifted by bank-owned life insurance income, trust fees, deposit services, and brokerage services. Noninterest expense fell to $38.7 million, down 1.5% from a year ago and 4.7% from the prior quarter, pulling the efficiency ratio to 54.42% from 55.67% in Q2 2025.
President and Chief Executive Officer Keith Donahoe noted that linked-quarter net income rose $3.6 million, or 15.4%, crediting increases in noninterest income alongside decreases in noninterest expense. He said the bank expects to meet mid-single digit loan growth for the full year, despite linked-quarter loan growth of only $3.4 million in the quarter. Nonperforming assets stood at 0.11% of total assets.
The margin signal and sector read-through
The quarter's most visible pressure point was the net interest margin. Southside's margin fell to 2.80% in Q2 2026 from 2.91% in Q1 2026. That compares with 2.82% for the same quarter a year earlier. The tax-equivalent figure moved to 2.90% from 3.01% the prior quarter. The pattern reflects a sector-wide dynamic: growth in interest-earning asset balances offsets only part of the cost from deposit repricing and a shifting liability mix, a math that places additional weight on fee income growth and expense discipline for banks in this rate environment.
First-half performance and returns
For the six months ended June 30, 2026, Southside reported net income of $50.1 million, up 15.6% from $43.3 million in the first half of 2025. Earnings per diluted share were $1.68, compared with $1.42 a year earlier. Return on average assets for the period was 1.16%, against 1.05% in H1 2025. Return on average shareholders' equity climbed to 11.65% from 10.65%. Net interest income for the first half was $115.0 million, up 6.4% year-over-year, and the half-year net interest margin of 2.86% rose from 2.78% in the comparable 2025 period, even as the Q2 2026 quarter-level reading fell back to 2.80%.
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