ADTRAN revenue falls below guidance at $282 million

• ADTRAN expects second-quarter revenue of $280 million–$282 million, below its previous $283 million–$303 million guidance.
• The company projected a GAAP loss of $0.12–$0.14 per share, while ADTRAN shares rose 4.7% to $12.14.
• ADTRAN attributed the weaker results to one delayed customer project and higher component and freight costs.

ADTRAN Holdings (NASDAQ:ADTN) reported preliminary second-quarter revenue of $280 million–$282 million, below its $283 million–$303 million guidance.

Revenue was at least $1 million below the guidance floor, while non-GAAP earnings of $0.03–$0.05 trailed the $0.13 analyst consensus.

“Our preliminary second quarter results were directly impacted by a project delay from a single customer,” said ADTRAN Chairman and Chief Executive Officer Tom Stanton.

ADTRAN said its Q2 non-GAAP operating margin was 3.5%–4%, below 5%–9% guidance, while Q3 revenue is forecast at $275 million–$295 million.

Following the announcement, ADTRAN's share price was up 4.7% at $12.14, before final Q2 results scheduled for August 3, 2026.

ADTRAN supplies broadband access and optical networking platforms to service providers, enterprises, government agencies, municipalities, and utilities worldwide.

ADTRAN reported Q1 2026 revenue of $286.1 million after Q4 2025 revenue reached $291.6 million, up 20.1% year over year.