ADTRAN, Inc. Q3 2026 Earnings Recap

ADTRAN shares fell 19.4% after results came in slightly below the midpoint of guidance, with investors likely focused on gross-margin pressure from higher component costs and unfavorable product and customer mix. Management also described a challenging supply environment that continues to affect timing.

Key Takeaways

• Optical revenue rose 11% year over year and 4% sequentially; access and aggregation grew 5% year over year, while subscriber solutions increased 4% sequentially.
• Revenue from hyperscaler customers grew more than 200% year over year, though the transcript does not provide the segment’s revenue or its contribution to total results.
• Enterprise delivered double-digit year-over-year growth, and management cited continued demand for higher-speed, secure networks.
• Reported gross margins benefited from IEEPA tariff refunds; excluding that benefit, higher component costs and product and customer mix pressured margins.
• Management said supply constraints continue to influence timing and reiterated priorities of expense control, cash generation, and working toward its long-term 10% non-GAAP operating-margin target.