Adtran Holdings, Inc. (ADTN) intrinsic value & 10-year financials

Adtran Holdings, Inc. (ADTN) has a Graham intrinsic value of $0.89 per share. At $6.31 on Oct 17, 2026, the stock trades 609% above that value. Over the last 10 fiscal years revenue grew 6.1% a year to $1.1B, with an average return on invested capital of -19.6%.

Graham intrinsic value
$0.89
Share price (Oct 17, 2026)
$6.31
Price vs Graham value
609% above
Market cap
$503.2M
Revenue (FY2025)
$1.1B
Revenue growth (10-yr CAGR)
6.1%
ROIC (10-yr avg)
-19.6%
Free cash flow (FY2025)
$98.0M

ADTN 10-year financial history

Fiscal year Revenue Net income EPS (diluted) Free cash flow Operating margin ROIC
FY2025 $1.1B -$45.7M -$0.52 $98.0M -1.4% -19.5%
FY2024 $922.7M -$450.9M -$5.67 $70.6M -45.2% -134.4%
FY2023 $1.1B -$267.7M -$3.41 -$88.7M -19.3% -24.9%
FY2022 $1.0B -$2.0M -$0.03 -$61.3M -7.1% -4.7%
FY2021 $563.0M -$8.6M -$0.18 -$2.7M -2.6% -4.7%
FY2020 $506.5M $2.4M $0.05 -$22.9M -1.9% -1.4%
FY2019 $530.1M -$53.0M -$1.11 -$12.0M -7.5% -11.0%
FY2018 $529.3M -$19.3M -$0.40 $47.3M -8.6% -6.6%
FY2017 $666.9M $23.8M $0.49 -$57.1M 5.7% 4.7%
FY2016 $636.8M $35.2M $0.72 $20.6M 5.5% 6.1%

Source: annual 10-K filings on SEC EDGAR. Figures in USD.

Executive summary

ADTRAN Holdings, Inc. has demonstrated mature, steady growth, with revenue compounding at 6.1% annually over the past decade.

ADTRAN Holdings, Inc. has historically struggled to out-earn its cost of capital, averaging just -19.6% ROIC.

ADTRAN Holdings, Inc. has not shown aggressive share repurchases (>10% retirement) or a major balance-sheet leverage increase (>50% net debt growth) over the 10-year window.

Benjamin Graham lens

Under Benjamin Graham's formula using SEC EDGAR fundamentals, ADTRAN Holdings, Inc. is modeled at 6.1% normalized earnings growth with a 5.1% bond-yield adjustment. The resulting Graham intrinsic value estimate is $0.89 per share.

ADTN stock: frequently asked questions

What is the intrinsic value of Adtran Holdings, Inc. (ADTN) stock?

Using Benjamin Graham's revised formula, V = EPS × (8.5 + 2g) × 4.4 / Y, with reported diluted earnings per share, a 6.1% normalized growth rate (capped at 15%) and a 5.1% AAA corporate bond yield, ADTN's intrinsic value is about $0.89 per share.

Is ADTN stock undervalued?

At $6.31 (close on Oct 17, 2026), ADTN trades 609% above its Graham value of $0.89. On Graham's terms the shares look fully priced. A formula is a starting point for research, not a recommendation.

How fast has Adtran Holdings, Inc. grown?

Revenue went from $636.8M in fiscal 2016 to $1.1B in fiscal 2025, a compound annual growth rate of 6.1%. Net income was -$45.7M in fiscal 2025.

Does Adtran Holdings, Inc. generate free cash flow?

Adtran Holdings, Inc. generated $98.0M of free cash flow (operating cash flow minus capital expenditures) in fiscal 2025. Free cash flow was positive in 4 of the last 10 reported years.

What is ADTN's return on invested capital?

Average ROIC over the last 10 fiscal years was -19.6%, and average return on equity was -19.1%. Sustained ROIC above about 15% usually points to a durable competitive advantage.

Where does this ADTN data come from?

From Adtran Holdings, Inc.'s annual 10-K filings on SEC EDGAR, most recently filed Aug 4, 2026. Prices are end-of-day snapshots; valuations are formula outputs, not investment advice.

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