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NASDAQ · ADTNTechnologyTelephone Equipment

ADTRAN Holdings, Inc. Common Stock (ADTN)

$4.04−14.61%
Close Nov 5, 2026 · split-adjusted
Nov 5, 2026$4.04▼ 48.94% in range
Nov 4, 2025Low $4.04 · High $19.40Nov 5, 2026
What changed · written from our data
As of Nov 5, 2026

ADTRAN Holdings closed at $4.04 on Nov 5, down 14.61%, within 0.0% of its 52-week closing low. Volume of 2.5M shares was 1.49× its 20-day average (above normal).

Split-adjusted performance: -48.0% over one month, -72.2% over six months, -48.9% over one year.

In the quarter ended Jun 30, 2026, revenue was $281.15M, up 6.1% from a year earlier, with a net margin of -3.7%.

Short interest was 12.5M shares at the Oct 15 settlement, up 5.8% from the prior report (16.6% of float, 7.2 days to cover).

Market cap$329.1M81.5M shares
Revenue · quarter$281.1M+6.1% YoY
Diluted EPS$-0.13—
P/E · TTM—P/S 0.3×
Net margin-3.7%Gross 37.0%
Dividend yieldNone$0.09 last paid
52-week range4.04 – 19.40−79.2% from high
Volume2.5M1.49× 20-day avg
Volatility · 60d72.6%Annualised
Short % of float16.6%7.2 days to cover
Net cash-$100.5MCash $118.3M
Next earnings—Not scheduled
Split-adjusted performance
1W −41.8%1M −48.0%3M −46.6%6M −72.2%YTD −53.5%1Y −48.9%3Y −38.5%5Y −77.8%

Earnings reactions

History →

No reported quarters with price history yet.

Rank within Telephone Equipment

Percentile among 8 companies (100 = best)

6-month momentum0
Revenue growth—
Net margin—
Value (low P/E)—
Size57

Industry medians: 6-month return −53.4%, revenue growth +21.2%, net margin 6.9%, P/E 21.6×.

Short interest

Details →
Shares short12.5M+5.8% vs prior
Days to cover7.2Settled Oct 15
% of float16.6%
Short vol. 10d37.3%of daily volume

Closest peers by size in Telephone Equipment

CompanyPriceToday6MRev. growthNet marginP/EMkt cap
ADTNADTRAN Holdings$4.04−14.61%−72.2%+6.1%−3.7%—$329.1M
CLFDClearfield$28.28−13.99%−24.6%+13.2%6.8%—$384.2MCompare
FIEEFiEE$3.03−0.98%−53.0%—31.7%7.4$25.8MCompare
FKWLFranklin Wireless$2.13+0.27%−38.6%+21.2%−51.9%—$25.0MCompare
CLROClearOne$4.46−10.80%+40.7%———$11.9MCompare
FNFabrinet$290.00−15.12%−53.7%+50.7%7.0%21.6$10.36BCompare
SONMDNA X$2.32−9.70%−53.9%———$3.5MCompare
CIENCiena$231.42−14.99%−57.0%+37.0%15.9%50.1$32.82BCompare

News about ADTRAN Holdings

All news →
Ciena vs. ADTRAN: Which Optical Networking Stock is the Better Buy?Zacks Investment Research · Sep 22, 2026▼ NegativeWhy Is ADTRAN Holdings (ADTN) Down 14.7% Since Last Earnings Report?Zacks Investment Research · Sep 2, 2026▼ NegativeADTRAN Holdings, Inc. INVESTOR ALERT: Kirby McInerney LLP Announces Investigation Into Potential Securities FraudGlobeNewswire Inc. · Jul 28, 2026▼ NegativeADTN INVESTOR ALERT: Holzer & Holzer, LLC Announces Investigation of ADTRAN Holdings, Inc.GlobeNewswire Inc. · Jul 27, 2026▼ NegativeWhy Adtran Stock Withered on WednesdayThe Motley Fool · Jul 22, 2026▼ Negative

Quick answers

What does ADTRAN Holdings do?
Adtran Holdings Inc is a provider of networking and communications platforms, software, and services focused on the broadband access market. It operates under two reportable segments: Network Solutions segment, which includes hardware and software products that enable a digital future that supports the company's Subscriber, Access & Aggregation, and Optical Networking Solutions; and Services & Support segment, which includes network design, implementation, maintenance and cloud-hosted services supporting the company's Subscriber, Access & Aggregation, and Optical Networking Solutions.
What is ADTN's market cap?
$329.10M, based on the Nov 5 close of $4.04.
Does ADTRAN Holdings pay a dividend?
No regular cash dividend has been paid in the last year.
How much of ADTN is sold short?
12.5M shares, 16.6% of float, as of Oct 15, 2026.
What sector is ADTN in?
Technology, in the Telephone Equipment industry.

About ADTRAN Holdings

Adtran Holdings Inc is a provider of networking and communications platforms, software, and services focused on the broadband access market. It operates under two reportable segments: Network Solutions segment, which includes hardware and software products that enable a digital future that supports the company's Subscriber, Access & Aggregation, and Optical Networking Solutions; and Services & Support segment, which includes network design, implementation, maintenance and cloud-hosted services supporting the company's Subscriber, Access & Aggregation, and Optical Networking Solutions. It generates the majority of its revenue from the Network Solutions segment.

HQ: Huntsville, AL3,338 employeesListed Aug 9, 1994adtran.com

Sources: Massive / Polygon daily aggregates (split-adjusted) · SEC filings via Massive · FINRA settlements via Massive · Financial Modeling Prep. Figures are dated where shown; research is informational, not investment advice. Methodology