ADTRAN Holdings, Inc. (ADTN) Stock

ADTRAN Holdings, Inc. (ADTN) is a Technology stock trading at $7.85 (as of 2026-08-20), with a market capitalization of $635.84M. Figures are sourced from first-party U.S. SEC EDGAR filings and market data.

ADTRAN Holdings, Inc. provides fiber networking and related equipment and software through two segments, Network Solutions and Services & Support. It supplies products such as fiber access and optical transport components, passive optical network equipment, fixed wireless access platforms, switching and gateway hardware, and network management and support services for communications service providers, enterprises, and government customers.

Understand ADTRAN Holdings, Inc.: how it makes money

ADTRAN builds and sells fiber networking solutions, including fiber access and optical networking platforms plus related transceivers, cables, passive optical components, and support services, to communications service provider, enterprise, and government customers.

Profit is driven mainly by the Network Solutions segment, which represents the largest share of revenue, with Services & Support contributing a smaller portion.

Revenue by segment (latest quarter)
Network Solutions$0.2B
Services & Support$0.1B

Business quality (Weak): Clear two-segment model (Network Solutions, Services & Support), but profitability is currently thin (operating margin 2.2%), so segment mix and execution matter.

Bull case

  • Broad end-to-end fiber networking offering: The company provides end-to-end fiber networking solutions, including fiber access and fiber to the node platforms, passive optical components, distribution units, and related materials.
  • Segmented revenue base with meaningful services contribution: Revenue comes primarily from Network Solutions (0.24B) and is complemented by Services and Support (0.05B).

Bear case

  • Thin operating margin: Operating margin is 2.2%, which leaves less room for cost pressure versus gross margin of 39.5%.
  • Revenue concentration in Network Solutions: Network Solutions is much larger than Services & Support (0.24B vs 0.05B), so weakness in Network Solutions would be more impactful.
Valuation — source: SEC EDGAR (first-party)
Price$7.85
Market Cap$635.84M
EV / EBITDA5.9
Price / Book4.91
Price / Sales0.56
FCF Yield9.0%
DCF Value (model)$6.01
DCF Upside vs Price-23.4%
Profitability & Growth — source: SEC EDGAR
Revenue (TTM)$1.08B
Net Margin-4.2%
Revenue Growth (YoY)6.1%
EPS Growth (YoY)-45.8%
FCF Growth (YoY)-38.2%
Financial Health — source: SEC EDGAR
Altman Z-Score0.64 (distress)
Valuation vs Sector & Industry
Sector P/E (Technology)33.9
Industry P/E (Electronic Equipment)39.4
Smart-Money Activity — SEC Form 4 / 13F / Congressional disclosures
Top Institutional HolderBlackRock, Inc. ($98.63M)
Institutional Holders Tracked10
Company
SectorTechnology
IndustryElectronic Equipment
CEOThomas Richard Stanton
Employees3,091
CountryUS
IPO Date1994-08-10

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ADTN earnings history · ADTN institutional & insider holders · ADTN KPIs & operating metrics · ADTN financials · ADTN investor presentations & press releases · ADTN SEC filings · ADTN peers · Congress trades · Insider trades · Short interest · Stock screener

Data as of 2026-08-20.

Figures sourced from U.S. Securities and Exchange Commission (SEC EDGAR) filings and market data. Not personalized investment advice.