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Side-by-side financial comparison of ADTRAN Holdings, Inc. (ADTN) and CLEARONE INC (CLRO). Click either name above to swap in a different company.

CLEARONE INC runs the higher net margin — 116.9% vs -1.2%, a 118.1% gap on every dollar of revenue. On growth, CLEARONE INC posted the faster year-over-year revenue change (28.6% vs 20.1%). Over the past eight quarters, CLEARONE INC's revenue compounded faster (NaN% CAGR vs NaN%).

Adtran, Inc. is an American fiber networking and telecommunications company headquartered in Huntsville, Alabama. It is a vendor of both residential and enterprise networking equipment, along with administrative software for network management and deployment. Its customers include communications service providers, governments, enterprises and utilities.

ClearOne Inc is a global provider of innovative audio and video communication solutions, including professional conferencing systems, collaboration tools and AV distribution products. It serves enterprise, education, healthcare and live event production segments, delivering solutions for smooth remote and in-person collaboration.

ADTN vs CLRO — Head-to-Head

Bigger by revenue
ADTN
ADTN
-68.9× larger
ADTN
$291.6M
$-4.2M
CLRO
Growing faster (revenue YoY)
CLRO
CLRO
+8.6% gap
CLRO
28.6%
20.1%
ADTN
Higher net margin
CLRO
CLRO
118.1% more per $
CLRO
116.9%
-1.2%
ADTN
Faster 2-yr revenue CAGR
CLRO
CLRO
Annualised
CLRO
NaN%
13.5%
ADTN

Income Statement — Q4 2025 vs Q4 2025

Metric
ADTN
ADTN
CLRO
CLRO
Revenue
$291.6M
$-4.2M
Net Profit
$-3.6M
$-4.9M
Gross Margin
39.0%
Operating Margin
1.5%
Net Margin
-1.2%
116.9%
Revenue YoY
20.1%
28.6%
Net Profit YoY
92.2%
-124.3%
EPS (diluted)
$-0.02
$-4.10

Green = leading value per metric. Periods may differ when fiscal calendars don't align.

8-Quarter Revenue & Profit Trend

Side-by-side quarterly history. Quarters aligned by calendar period so offset fiscal years line up.

Revenue
ADTN
ADTN
CLRO
CLRO
Q4 25
$291.6M
$-4.2M
Q3 25
$279.4M
$0
Q2 25
$265.1M
$1.9M
Q1 25
$247.7M
$2.3M
Q4 24
$242.9M
$-5.9M
Q3 24
$227.7M
$0
Q2 24
$226.0M
$2.3M
Q1 24
$226.2M
$3.6M
Net Profit
ADTN
ADTN
CLRO
CLRO
Q4 25
$-3.6M
$-4.9M
Q3 25
$-10.3M
$-13.7M
Q2 25
$-20.5M
$-4.6M
Q1 25
$-11.3M
$-2.8M
Q4 24
$-46.1M
$-2.2M
Q3 24
$-33.3M
$-2.1M
Q2 24
$-49.7M
$-2.8M
Q1 24
$-330.8M
$-1.9M
Gross Margin
ADTN
ADTN
CLRO
CLRO
Q4 25
39.0%
Q3 25
38.3%
Q2 25
37.3%
-12.1%
Q1 25
38.4%
5.2%
Q4 24
36.9%
Q3 24
36.5%
Q2 24
36.0%
-0.9%
Q1 24
31.1%
31.8%
Operating Margin
ADTN
ADTN
CLRO
CLRO
Q4 25
1.5%
Q3 25
-1.0%
Q2 25
-5.0%
-237.9%
Q1 25
-1.6%
-123.0%
Q4 24
-6.9%
Q3 24
-11.5%
Q2 24
-17.0%
-126.9%
Q1 24
-153.1%
-57.4%
Net Margin
ADTN
ADTN
CLRO
CLRO
Q4 25
-1.2%
116.9%
Q3 25
-3.7%
Q2 25
-7.7%
-238.6%
Q1 25
-4.5%
-122.5%
Q4 24
-19.0%
37.2%
Q3 24
-14.6%
Q2 24
-22.0%
-122.4%
Q1 24
-146.2%
-52.4%
EPS (diluted)
ADTN
ADTN
CLRO
CLRO
Q4 25
$-0.02
$-4.10
Q3 25
$-0.12
$-7.92
Q2 25
$-0.24
$-2.64
Q1 25
$-0.14
$-0.11
Q4 24
$-0.58
$-2.48
Q3 24
$-0.38
$-1.29
Q2 24
$-0.63
$-1.76
Q1 24
$-4.20
$-0.08

Balance Sheet & Financial Strength

Snapshot of each company's liquidity, leverage and book value from the latest quarter.

Metric
ADTN
ADTN
CLRO
CLRO
Cash + ST InvestmentsLiquidity on hand
$95.7M
$220.0K
Total DebtLower is stronger
Stockholders' EquityBook value
$145.8M
$-714.0K
Total Assets
$1.2B
$2.3M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ADTN
ADTN
CLRO
CLRO
Q4 25
$95.7M
$220.0K
Q3 25
$93.7M
$101.0K
Q2 25
$106.3M
$1.1M
Q1 25
$101.3M
$961.0K
Q4 24
$76.0M
$1.4M
Q3 24
$88.5M
$2.8M
Q2 24
$111.2M
$4.3M
Q1 24
$106.8M
$21.4M
Stockholders' Equity
ADTN
ADTN
CLRO
CLRO
Q4 25
$145.8M
$-714.0K
Q3 25
$141.6M
$3.5M
Q2 25
$169.6M
$14.9M
Q1 25
$138.9M
$19.5M
Q4 24
$127.0M
$21.3M
Q3 24
$205.6M
$23.5M
Q2 24
$213.6M
$25.6M
Q1 24
$260.8M
$28.3M
Total Assets
ADTN
ADTN
CLRO
CLRO
Q4 25
$1.2B
$2.3M
Q3 25
$1.2B
$9.5M
Q2 25
$1.2B
$24.0M
Q1 25
$1.2B
$24.7M
Q4 24
$1.2B
$26.5M
Q3 24
$1.3B
$28.4M
Q2 24
$1.3B
$30.8M
Q1 24
$1.3B
$48.2M

Cash Flow & Capital Efficiency

How much cash each business actually produces after reinvestment. Cash flow is harder to manipulate than net income.

Metric
ADTN
ADTN
CLRO
CLRO
Operating Cash FlowLast quarter
$42.2M
Free Cash FlowOCF − Capex
$30.6M
FCF MarginFCF / Revenue
10.5%
Capex IntensityCapex / Revenue
4.0%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$98.0M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
ADTN
ADTN
CLRO
CLRO
Q4 25
$42.2M
Q3 25
$12.2M
Q2 25
$32.2M
$-1.1M
Q1 25
$43.2M
$-1.4M
Q4 24
$2.4M
$-1.5M
Q3 24
$43.3M
$-1.9M
Q2 24
$19.9M
$-3.2M
Q1 24
$37.9M
$433.0K
Free Cash Flow
ADTN
ADTN
CLRO
CLRO
Q4 25
$30.6M
Q3 25
$4.2M
Q2 25
$27.5M
Q1 25
$35.8M
$-1.5M
Q4 24
$-895.0K
$-1.6M
Q3 24
$37.1M
$-1.9M
Q2 24
$8.4M
$-3.2M
Q1 24
$24.4M
$364.0K
FCF Margin
ADTN
ADTN
CLRO
CLRO
Q4 25
10.5%
Q3 25
1.5%
Q2 25
10.4%
Q1 25
14.4%
-62.9%
Q4 24
-0.4%
26.7%
Q3 24
16.3%
Q2 24
3.7%
-139.8%
Q1 24
10.8%
10.0%
Capex Intensity
ADTN
ADTN
CLRO
CLRO
Q4 25
4.0%
Q3 25
2.9%
Q2 25
1.8%
0.0%
Q1 25
3.0%
0.7%
Q4 24
1.4%
-0.7%
Q3 24
2.7%
Q2 24
5.1%
2.9%
Q1 24
6.0%
1.9%

Financial Flow Comparison

Revenue → gross profit → operating profit → net profit for each company.

Revenue Breakdown by Segment

ADTN
ADTN

Subscriber Solutions$96.2M33%
Optical Networking Solutions$81.8M28%
Access Aggregation Solutions$64.6M22%
Services And Support$48.9M17%

CLRO
CLRO

Segment breakdown not available.

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