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what it is
Adtran sells the hardware, software, and support that help phone and internet providers move data through fiber networks.
how it gets paid
FY2025 revenue was $1,083.8M. Network Solutions was $896.9M (~83%); Services & Support was $186.9M (~17%).
why it's growing
Revenue grew 17.5% last year. Revenue hit $792 million, up 184% vs. prior year, while gross margin reached 38.0%.
what just happened
Q4 2025: non-GAAP diluted EPS was $0.16; GAAP diluted EPS was $(0.02).
At a glance
C+ balance sheet — struggling to keep the lights on
20/100 earnings predictability — expect surprises
68.1x trailing p/e — you're paying up for this one
18.5% return on capital — nothing to write home about
xvary composite: 32/100 — weak
What they do
Adtran sells the hardware, software, and support that help phone and internet providers move data through fiber networks.
Adtran sits where carriers hate surprises: the network edge. If your broadband provider swaps out access gear, your install base, service contracts, and field crews all get dragged into it. That stickiness helped Network Solutions drive 80.1% of 2024 revenue, while service and support added another 19.9%.
telecom-equipment
small-cap
networking-equipment
fiber-broadband
europe
How they make money
$1.08B
FY2025 revenue · +17.5% vs. FY2024 (GAAP)
The products that matter
builds carrier network infrastructure
Network Hardware & Software
$1.08B FY2025 revenue
Carrier infrastructure plus attached services — FY2025 revenue was $1,083.8M with growth across both Network Solutions and Services & Support vs. FY2024.
entire business
Key numbers
82.8%
Network Solutions mix
FY2025: Network Solutions was $896.9M of $1,083.8M — carrier capex cycles still steer the P&L.
$1.08B
FY2025 revenue
Matches the FY2025 consolidated total in the Feb. 25, 2026 release tables.
4.8%
non-GAAP op. margin (FY2025)
FY2025 GAAP operating margin was slightly negative (~−1.4% of revenue); non-GAAP operating margin was 4.8% per the release.
$218M
long debt
That debt is manageable, but it matters more when profit is thin and the balance sheet only scores C+.
Financial health
-
balance sheet grade
C+ — weak — may struggle to fund operations
-
risk rank
5 — safer than 5% of stocks
-
price stability
15 / 100
-
long-term debt
$218M (21% of capital)
-
net profit margin
6.9% — keeps 7 cents of every dollar in revenue
-
return on equity
22% — $0.22 profit for every $1 investors have put in
C+ — return on equity looks solid but balance sheet grade needs watching.
Total return vs. market
You invested $10,000 in ADTN 3 years ago → it's now worth $5,960.
The index would have given you $13,880.
same period. same starting point. ADTN trailed the market by $7,920.
source: institutional data · total return
What just happened
beat estimates
Q4 2025: $291.6M revenue (+20.1%) · non-GAAP EPS $0.16 · GAAP EPS $(0.02).
FY2025 revenue was $1,083.8M (+17.5% vs. FY2024). Q4 GAAP gross margin was 39.0%; non-GAAP gross margin was 42.5% per the Feb. 25, 2026 release.
the number that mattered
Margin lines improved vs. the prior-year quarter, but read GAAP vs. non-GAAP — integration and purchase accounting still move the GAAP print.
-
the beat came alongside the fibercop contract win, in which italy’s largest wholesale fiber operator selected adtran’s fsp 3000 open optical platform and mosaic network controller for a nationwide metro transport rollout, validating the strategic logic of the adva combination.
-
the fibercop win reflects a broader opportunity in europe.
carriers are under mounting pressure to remove chinesemade equipment from their networks, with measures including new eu-level directives and proposed subsidy mechanisms. adtran estimates the addressable market for huawei replacement across emea at roughly $800 million annually, spanning both access and optical networking.
-
the company sees itself as the logical primary beneficiary.
the adva acquisition gave adtran deep european carrier relationships and a german engineering heritage that resonates with regulators and procurement teams alike.
-
management noted that gross margins in europe have long been suppressed by huawei’s pricing, and that as the displacement accelerates, european margins should recover toward the company’s 42%-43% non-gaap gross margin target.
italy was not an early mover in this shift, making the fibercop selection particularly significant as a signal that the replacement cycle is broadening. the shares appear undervalued relative to peers, and patient investors may be rewarded as the recovery matures. with bead-related broadband spending expected to ramp in the second half of 2026, the demand outlook is improving.
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What could go wrong
the #1 risk is carrier spending delays in fiber access and optical upgrades.
carrier spending slips
Adtran sells into carrier budgets, not consumer whims. The current revenue estimate is about $1B after a $1.1B year. That already tells you orders are not on autopilot.
If telecom operators delay fiber and optical projects, the revenue line can shrink before the cost base does.
Europe does not reprice
Management points to a 42%–43% non-GAAP gross margin target as Huawei replacement spreads across Europe. That is the operating leverage argument in one number.
If gross margins stay stuck below that range, the recovery story keeps looking better in presentations than in profit.
thin cushion
The company carries $218M of long-term debt, equal to 21% of capital, with a C+ balance sheet and a stability score of 5.
At a 3.9% net margin, you do not need a disaster to miss expectations. You just need one bad quarter.
global footprint, uneven demand
Operations span the U.S., Israel, Italy, and Japan. That gives Adtran reach, but it also adds regulatory, procurement, and demand variability across regions.
A regional slowdown can matter more here than at a larger peer because the company is only an $825M market cap business.
A 3.9% net margin, $218M of debt, and a revenue estimate slipping from $1.1B toward $1B is not a forgiving mix.
source: institutional data · regulatory filings · risk analysis
Pay attention to
!
risk
quarterly margin direction
The latest quarter posted a -4.2% margin. If that number stays negative, the turnaround case gets much harder to defend.
#
trend
Europe optical wins
The Fibercop contract matters because Adtran needs more wins like it. One order is validation. A string of them is a thesis.
#
metric
42%–43% gross margin target
Management gave you the scorecard. If reported gross margins do not move toward that range, the Europe recovery narrative is still just a narrative.
cal
calendar
second-half 2026 BEAD timing
If U.S. broadband spending ramps on schedule, Adtran should feel it in orders. If timing slips again, investors will keep waiting.
Analyst rankings
short-term outlook
average
momentum score 3. in human-speak, analysts do not see a strong near-term edge either way.
risk profile
high risk
stability score 5 means large drawdowns are part of the package, not an accident.
chart momentum
average
technical score 3 says the chart is not giving you a clean signal. This is a fundamentals story or nothing.
earnings predictability
20 / 100
Low predictability means estimates deserve skepticism. If you own this, you should expect uneven quarters.
source: institutional data
Institutional activity
institutions have been net selling for 2 consecutive quarters — 58 buyers vs. 65 sellers in 4q2025. total institutional holdings: 70.3M shares. net selling for 2 quarters.
source: institutional data · 2q2025-4q2025
source: institutional data
Price targets
3-5 year target range
$3
$13
$8
target midpoint · 22% from current · 3-5yr high: $25 (+145% · 26% ann'l return)
source: institutional data · analyst targets
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