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ADTRAN Holdings, Inc. (ADTN) stock

ADTNNasdaqTelephone & Telegraph ApparatusFiscal year ends December 31
Financials through Q3 FY2026, quarter ended Sep 30, 2026Last filing: 10-Q on Nov 5, 2026Score 4/30
$4.83−0.03 (-0.62%)

Close on Nov 13, 2026Market cap $393.56MP/E –Yield –

ADTRAN Holdings, Inc. grew revenue 10.1% to $1.14B over the twelve months to Sep 30, 2026. Free cash flow was $22.48M, down 66.2% from a year earlier. At the latest close the market valued the company at $393.56M.

Revenue
$1.14B
+10.1% vs. a year earlier
Operating income
$28.00K
TTM Q3 2026
Free cash flow
$22.48M
-66.2% vs. a year earlier
EPS, diluted
-$0.26
TTM Q3 2026

Key statistics

Valuation at the latest close; fundamentals over the trailing twelve months, balances at Sep 30, 2026

Valuation

Market cap
$393.56M
P/E ratio
–
Price to sales
0.35
Price to book
–
Dividend yield
–
Free cash flow yield
5.71%

Fundamentals

Revenue
$1.14B
Net income
-$25.05M
EPS, diluted
-$0.26
Free cash flow
$22.48M
Diluted shares
81M

Trading

Next earnings
Feb 25, 2027 (estimated, before the open)
Previous close
$4.86
Open
$4.95
Day's range
$4.75 – $4.95
Volume
1,794,925
Average volume (20 days)
2,158,037
Index membership
Russell 2000, Russell 3000
Beta (5 years)
1.31
52-week range
$3.92 – $19.98
RSI (14 days)
35.2
Volatility (1 year)
67.0%
Relative volume
0.91×
WACC
11.6%

On 1 of our idea list: Insiders buying the dip

Index membership is inferred from the holdings of funds that track each index (IWM, IWV), as reported to the SEC for Jun 30, 2026. Join dates come from quarterly fund reports since 2019, so they are accurate to the quarter.

Market cap history

Month-end market cap since 2009, using shares outstanding reported at the time

Total return vs. the S&P 500

Price change plus reinvested dividends, to the close on Nov 13, 2026. The S&P 500 is measured by the SPY fund.

PeriodADTNS&P 500DifferenceADTN per yearS&P 500 per year
1 month-30.6%-3.0%−27.6 pts
3 months-40.1%-2.8%−37.4 pts
Year to date-44.4%+11.5%−55.9 pts
1 year-37.0%+13.5%−50.5 pts
3 years-11.7%+77.7%−89.4 pts-4.1%+21.1%
5 years-76.0%+72.6%−148.6 pts-24.8%+11.5%
10 years-71.5%+308.2%−379.7 pts-11.8%+15.1%

Fifteen years at a glance

Fiscal years 2011 to 2025 and trailing twelve months, USD

Revenue

$1.14B+10.1% YoY

Gross profit

$438.90M+12.3% YoY

Operating income

$28.00K

Net income

-$25.05M

EPS, diluted

-$0.26

Free cash flow

$22.48M-66.2% YoY
Reported periodTrailing twelve months

Press releases

Releases Adtran filed with the SEC as exhibits to Form 8-K or 6-K

All press releases and earnings

About Adtran

Telephone & Telegraph Apparatus

ADTRAN Holdings, Inc. provides networking and communications equipment, software, and services focused on metro optical transport, data center interconnect, and broadband access. The company delivers fiber-based communications infrastructure, customer premises equipment, and AI-driven cloud-hosted software. It operates in two business segments: Network Solutions, which provides hardware and software products, and Services & Support, which covers network design, implementation, maintenance, and cloud-hosted operations. The company serves small, medium, and large service providers, alternative network operators, cable/MSO providers, enterprise clients, cloud providers, and government agencies.

Company profile, executives and history

Adtran stock: common questions

What is Adtran's stock price?

ADTN closed at $4.83 on Nov 13, 2026, down 0.62% on the day. Over the past 52 weeks it traded between $3.92 and $19.98.

What is Adtran's market cap?

Adtran was worth $393.56M at the close on Nov 13, 2026: the share price times the diluted shares outstanding.

What is ADTN's P/E ratio?

Adtran lost money over the twelve months to Sep 30, 2026 (diluted EPS -$0.26), so it has no meaningful P/E ratio.

How much revenue does Adtran make?

Adtran reported revenue of $1.14B for the twelve months to Sep 30, 2026, up 10.1% from a year earlier.

Does Adtran pay a dividend?

No. Adtran has not paid a cash dividend over the last twelve months.

When does Adtran report earnings next?

Adtran is expected to report Q4 FY2026 results on Feb 25, 2027, before the open. The date is estimated from its past reporting pattern until the company confirms it.

How has ADTN stock performed over the past year?

Including dividends, ADTN returned -37.0% over the past year, against +13.5% for the S&P 500.

How many ADTN shares are sold short?

12M shares were sold short at the latest FINRA report, 15.28% of the float, or 9.1 days of average trading volume.

Who are Adtran's competitors?

Companies most similar to Adtran by business, industry and size include CIEN, AUDC, VISN, HLIT, AVNW.

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