ADTRAN Reports Preliminary Q2 Results Miss Guidance Due to Project Delays

ADTRAN's Q2 preliminary U.S. GAAP loss per share is expected to be between $(0.12) and $(0.14).
Preliminary non-GAAP basic and diluted earnings per share are expected to be between $0.03 and $0.05 for Q2 2026.
The EQS ad-hoc release notes that the information provided is based on unaudited results and that final results may differ from what is stated in the notification.
ADTRAN Holdings warned investors that its second-quarter 2026 revenue will fall short of its own guidance, citing a customer project delay and rising costs. The company now expects Q2 revenue between $280.0 million and $282.0 million — below its earlier forecast of $283.0 million to $303.0 million, according to Nasdaq.
The earnings miss is sharper than the revenue shortfall suggests. Non-GAAP earnings per share are expected to come in at just $0.03 to $0.05, well below analyst expectations of roughly $0.13, according to Benzinga. GAAP earnings per share are projected to be negative, between $(0.12) and $(0.14).
ADTRAN pointed to a single customer-related project delay as a key driver of the shortfall. On top of that, elevated component and freight costs squeezed margins. GAAP operating margin is now expected to land between (3.2)% and (4.0)% — meaning the company is losing money on an operating basis, according to Guru Focus.
Non-GAAP operating margin, which strips out certain charges, is seen between 3.5% and 4.0%. That is still far below what most investors would consider healthy for a technology equipment company. The figures are preliminary and unaudited, and ADTRAN noted that final numbers may differ from these estimates.
CEO Tom Stanton moved quickly to reassure investors. He said the results reflect "near-term headwinds" but do not change the company's overall business, customer engagement, or strategic priorities. Stanton said he remains encouraged by the optical networking business and the company's innovation pipeline.
Optical networking — the technology that moves large amounts of data through fiber-optic cables — has been a growth area for ADTRAN. Stanton's comments suggest the company views the Q2 miss as a one-time disruption rather than a sign of deeper trouble. Final Q2 results will be released after the market close on August 3, 2026, with a conference call on August 4.
Looking ahead, ADTRAN projected Q3 2026 revenue of $275.0 million to $295.0 million. That range is largely in line with the Q2 shortfall, suggesting no sharp recovery is expected right away, according to Benzinga.
The Q3 non-GAAP operating margin outlook of 1.5% to 5.5% is notably wide — a 4 percentage point spread that signals meaningful uncertainty, according to Guru Focus. A margin of 1.5% would barely cover costs. The broad range reflects how much one contract delay or cost spike can swing results for a company of ADTRAN's size.
At the midpoint of Q2 guidance, ADTRAN is looking at roughly $281 million in revenue and about $0.04 in non-GAAP earnings per share. That compares poorly to analyst expectations of $0.13 per share — a miss of more than 60%. The GAAP loss per share of $(0.12) to $(0.14) means shareholders are absorbing real losses this quarter, according to Nasdaq.
ADTRAN operates in the broadband access market, selling networking gear to telecom companies and internet providers. Delays in big customer projects can have an outsized impact on quarterly results. The company is betting that its optical networking products and new innovations will drive a stronger second half of 2026.
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