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

ADTRAN Holdings, Inc. is the larger business by last-quarter revenue ($291.6M vs $16.2M, roughly 18.0× DNA X, Inc.). ADTRAN Holdings, Inc. runs the higher net margin — -1.2% vs -29.3%, a 28.1% gap on every dollar of revenue. On growth, ADTRAN Holdings, Inc. posted the faster year-over-year revenue change (20.1% vs 7.9%). Over the past eight quarters, ADTRAN Holdings, Inc.'s revenue compounded faster (13.5% CAGR vs 9.9%).

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.

ADTN vs SONM — Head-to-Head

Bigger by revenue
ADTN
ADTN
18.0× larger
ADTN
$291.6M
$16.2M
SONM
Growing faster (revenue YoY)
ADTN
ADTN
+12.1% gap
ADTN
20.1%
7.9%
SONM
Higher net margin
ADTN
ADTN
28.1% more per $
ADTN
-1.2%
-29.3%
SONM
Faster 2-yr revenue CAGR
ADTN
ADTN
Annualised
ADTN
13.5%
9.9%
SONM

Income Statement — Q4 2025 vs Q3 2025

Metric
ADTN
ADTN
SONM
SONM
Revenue
$291.6M
$16.2M
Net Profit
$-3.6M
$-4.8M
Gross Margin
39.0%
11.2%
Operating Margin
1.5%
-24.5%
Net Margin
-1.2%
-29.3%
Revenue YoY
20.1%
7.9%
Net Profit YoY
92.2%
-89.2%
EPS (diluted)
$-0.02
$-4.83

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
SONM
SONM
Q4 25
$291.6M
Q3 25
$279.4M
$16.2M
Q2 25
$265.1M
$11.2M
Q1 25
$247.7M
$16.7M
Q4 24
$242.9M
$15.3M
Q3 24
$227.7M
$15.0M
Q2 24
$226.0M
$11.5M
Q1 24
$226.2M
$9.1M
Net Profit
ADTN
ADTN
SONM
SONM
Q4 25
$-3.6M
Q3 25
$-10.3M
$-4.8M
Q2 25
$-20.5M
$-7.5M
Q1 25
$-11.3M
$458.0K
Q4 24
$-46.1M
$-21.6M
Q3 24
$-33.3M
$-2.5M
Q2 24
$-49.7M
$-6.6M
Q1 24
$-330.8M
$-2.9M
Gross Margin
ADTN
ADTN
SONM
SONM
Q4 25
39.0%
Q3 25
38.3%
11.2%
Q2 25
37.3%
7.6%
Q1 25
38.4%
50.0%
Q4 24
36.9%
-1.2%
Q3 24
36.5%
28.2%
Q2 24
36.0%
25.8%
Q1 24
31.1%
31.8%
Operating Margin
ADTN
ADTN
SONM
SONM
Q4 25
1.5%
Q3 25
-1.0%
-24.5%
Q2 25
-5.0%
-60.2%
Q1 25
-1.6%
3.9%
Q4 24
-6.9%
55.3%
Q3 24
-11.5%
-15.8%
Q2 24
-17.0%
-56.2%
Q1 24
-153.1%
-29.5%
Net Margin
ADTN
ADTN
SONM
SONM
Q4 25
-1.2%
Q3 25
-3.7%
-29.3%
Q2 25
-7.7%
-66.8%
Q1 25
-4.5%
2.7%
Q4 24
-19.0%
-141.6%
Q3 24
-14.6%
-16.7%
Q2 24
-22.0%
-57.5%
Q1 24
-146.2%
-31.9%
EPS (diluted)
ADTN
ADTN
SONM
SONM
Q4 25
$-0.02
Q3 25
$-0.12
$-4.83
Q2 25
$-0.24
$-0.79
Q1 25
$-0.14
$0.08
Q4 24
$-0.58
$-116.99
Q3 24
$-0.38
$-9.32
Q2 24
$-0.63
$-1.41
Q1 24
$-4.20
$-0.65

Balance Sheet & Financial Strength

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

Metric
ADTN
ADTN
SONM
SONM
Cash + ST InvestmentsLiquidity on hand
$95.7M
$2.1M
Total DebtLower is stronger
$5.1M
Stockholders' EquityBook value
$145.8M
$-701.0K
Total Assets
$1.2B
$40.2M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ADTN
ADTN
SONM
SONM
Q4 25
$95.7M
Q3 25
$93.7M
$2.1M
Q2 25
$106.3M
$2.0M
Q1 25
$101.3M
$2.1M
Q4 24
$76.0M
$5.3M
Q3 24
$88.5M
$9.1M
Q2 24
$111.2M
$9.6M
Q1 24
$106.8M
$9.3M
Total Debt
ADTN
ADTN
SONM
SONM
Q4 25
Q3 25
$5.1M
Q2 25
$2.9M
Q1 25
$2.8M
Q4 24
Q3 24
Q2 24
Q1 24
Stockholders' Equity
ADTN
ADTN
SONM
SONM
Q4 25
$145.8M
Q3 25
$141.6M
$-701.0K
Q2 25
$169.6M
$-1.3M
Q1 25
$138.9M
$-1.1M
Q4 24
$127.0M
$-5.7M
Q3 24
$205.6M
$15.3M
Q2 24
$213.6M
$17.5M
Q1 24
$260.8M
$19.8M
Total Assets
ADTN
ADTN
SONM
SONM
Q4 25
$1.2B
Q3 25
$1.2B
$40.2M
Q2 25
$1.2B
$36.1M
Q1 25
$1.2B
$36.0M
Q4 24
$1.2B
$39.7M
Q3 24
$1.3B
$49.1M
Q2 24
$1.3B
$45.9M
Q1 24
$1.3B
$42.4M

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
SONM
SONM
Operating Cash FlowLast quarter
$42.2M
$-7.0M
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
SONM
SONM
Q4 25
$42.2M
Q3 25
$12.2M
$-7.0M
Q2 25
$32.2M
$-4.9M
Q1 25
$43.2M
$-9.6M
Q4 24
$2.4M
$-4.5M
Q3 24
$43.3M
$-417.0K
Q2 24
$19.9M
$-3.4M
Q1 24
$37.9M
$-168.0K
Free Cash Flow
ADTN
ADTN
SONM
SONM
Q4 25
$30.6M
Q3 25
$4.2M
Q2 25
$27.5M
Q1 25
$35.8M
Q4 24
$-895.0K
$-4.5M
Q3 24
$37.1M
$-554.0K
Q2 24
$8.4M
$-3.4M
Q1 24
$24.4M
$-198.0K
FCF Margin
ADTN
ADTN
SONM
SONM
Q4 25
10.5%
Q3 25
1.5%
Q2 25
10.4%
Q1 25
14.4%
Q4 24
-0.4%
-29.6%
Q3 24
16.3%
-3.7%
Q2 24
3.7%
-29.8%
Q1 24
10.8%
-2.2%
Capex Intensity
ADTN
ADTN
SONM
SONM
Q4 25
4.0%
Q3 25
2.9%
Q2 25
1.8%
Q1 25
3.0%
Q4 24
1.4%
0.1%
Q3 24
2.7%
0.9%
Q2 24
5.1%
0.3%
Q1 24
6.0%
0.3%
Cash Conversion
ADTN
ADTN
SONM
SONM
Q4 25
Q3 25
Q2 25
Q1 25
-20.97×
Q4 24
Q3 24
Q2 24
Q1 24

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%

SONM
SONM

Segment breakdown not available.

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