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Side-by-side financial comparison of ADTRAN Holdings, Inc. (ADTN) and Rocket Lab Corp (RKLB). Click either name above to swap in a different company.

ADTRAN Holdings, Inc. is the larger business by last-quarter revenue ($291.6M vs $179.7M, roughly 1.6× Rocket Lab Corp). ADTRAN Holdings, Inc. runs the higher net margin — -1.2% vs -29.5%, a 28.2% gap on every dollar of revenue. On growth, Rocket Lab Corp posted the faster year-over-year revenue change (35.7% vs 20.1%). ADTRAN Holdings, Inc. produced more free cash flow last quarter ($30.6M vs $-114.2M). Over the past eight quarters, Rocket Lab Corp's revenue compounded faster (39.2% CAGR vs 13.5%).

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.

Rocket Lab Corporation is a publicly traded aerospace manufacturer and launch service provider. Its Electron orbital rocket launches small satellites and has successfully completed over 75 missions as of January 2026, making it the most prolific small-lift launch vehicle in operation globally. A suborbital variant of Electron, called HASTE, was developed as a testbed to advance hypersonic technology development, while the next-generation reusable Neutron medium-lift launch vehicle is in devel...

ADTN vs RKLB — Head-to-Head

Bigger by revenue
ADTN
ADTN
1.6× larger
ADTN
$291.6M
$179.7M
RKLB
Growing faster (revenue YoY)
RKLB
RKLB
+15.6% gap
RKLB
35.7%
20.1%
ADTN
Higher net margin
ADTN
ADTN
28.2% more per $
ADTN
-1.2%
-29.5%
RKLB
More free cash flow
ADTN
ADTN
$144.8M more FCF
ADTN
$30.6M
$-114.2M
RKLB
Faster 2-yr revenue CAGR
RKLB
RKLB
Annualised
RKLB
39.2%
13.5%
ADTN

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
ADTN
ADTN
RKLB
RKLB
Revenue
$291.6M
$179.7M
Net Profit
$-3.6M
$-52.9M
Gross Margin
39.0%
38.0%
Operating Margin
1.5%
-28.4%
Net Margin
-1.2%
-29.5%
Revenue YoY
20.1%
35.7%
Net Profit YoY
92.2%
-1.1%
EPS (diluted)
$-0.02
$-0.09

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
RKLB
RKLB
Q4 25
$291.6M
$179.7M
Q3 25
$279.4M
$155.1M
Q2 25
$265.1M
$144.5M
Q1 25
$247.7M
$122.6M
Q4 24
$242.9M
$132.4M
Q3 24
$227.7M
$104.8M
Q2 24
$226.0M
$106.3M
Q1 24
$226.2M
$92.8M
Net Profit
ADTN
ADTN
RKLB
RKLB
Q4 25
$-3.6M
$-52.9M
Q3 25
$-10.3M
$-18.3M
Q2 25
$-20.5M
$-66.4M
Q1 25
$-11.3M
$-60.6M
Q4 24
$-46.1M
$-52.3M
Q3 24
$-33.3M
$-51.9M
Q2 24
$-49.7M
$-41.6M
Q1 24
$-330.8M
$-44.3M
Gross Margin
ADTN
ADTN
RKLB
RKLB
Q4 25
39.0%
38.0%
Q3 25
38.3%
37.0%
Q2 25
37.3%
32.1%
Q1 25
38.4%
28.8%
Q4 24
36.9%
27.8%
Q3 24
36.5%
26.7%
Q2 24
36.0%
25.6%
Q1 24
31.1%
26.1%
Operating Margin
ADTN
ADTN
RKLB
RKLB
Q4 25
1.5%
-28.4%
Q3 25
-1.0%
-38.0%
Q2 25
-5.0%
-41.3%
Q1 25
-1.6%
-48.3%
Q4 24
-6.9%
-38.9%
Q3 24
-11.5%
-49.5%
Q2 24
-17.0%
-40.7%
Q1 24
-153.1%
-46.4%
Net Margin
ADTN
ADTN
RKLB
RKLB
Q4 25
-1.2%
-29.5%
Q3 25
-3.7%
-11.8%
Q2 25
-7.7%
-46.0%
Q1 25
-4.5%
-49.5%
Q4 24
-19.0%
-39.5%
Q3 24
-14.6%
-49.6%
Q2 24
-22.0%
-39.2%
Q1 24
-146.2%
-47.7%
EPS (diluted)
ADTN
ADTN
RKLB
RKLB
Q4 25
$-0.02
$-0.09
Q3 25
$-0.12
$-0.03
Q2 25
$-0.24
$-0.13
Q1 25
$-0.14
$-0.12
Q4 24
$-0.58
$-0.11
Q3 24
$-0.38
$-0.10
Q2 24
$-0.63
$-0.08
Q1 24
$-4.20
$-0.09

Balance Sheet & Financial Strength

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

Metric
ADTN
ADTN
RKLB
RKLB
Cash + ST InvestmentsLiquidity on hand
$95.7M
$1.0B
Total DebtLower is stronger
$152.4M
Stockholders' EquityBook value
$145.8M
$1.7B
Total Assets
$1.2B
$2.3B
Debt / EquityLower = less leverage
0.09×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ADTN
ADTN
RKLB
RKLB
Q4 25
$95.7M
$1.0B
Q3 25
$93.7M
$976.7M
Q2 25
$106.3M
$688.1M
Q1 25
$101.3M
$428.4M
Q4 24
$76.0M
$419.0M
Q3 24
$88.5M
$442.4M
Q2 24
$111.2M
$496.8M
Q1 24
$106.8M
$492.5M
Total Debt
ADTN
ADTN
RKLB
RKLB
Q4 25
$152.4M
Q3 25
$347.0M
Q2 25
$346.5M
Q1 25
$345.9M
Q4 24
$345.4M
Q3 24
$61.2M
Q2 24
$64.2M
Q1 24
$66.8M
Stockholders' Equity
ADTN
ADTN
RKLB
RKLB
Q4 25
$145.8M
$1.7B
Q3 25
$141.6M
$1.3B
Q2 25
$169.6M
$688.5M
Q1 25
$138.9M
$431.3M
Q4 24
$127.0M
$382.5M
Q3 24
$205.6M
$419.8M
Q2 24
$213.6M
$455.2M
Q1 24
$260.8M
$478.9M
Total Assets
ADTN
ADTN
RKLB
RKLB
Q4 25
$1.2B
$2.3B
Q3 25
$1.2B
$2.2B
Q2 25
$1.2B
$1.6B
Q1 25
$1.2B
$1.3B
Q4 24
$1.2B
$1.2B
Q3 24
$1.3B
$1.2B
Q2 24
$1.3B
$1.2B
Q1 24
$1.3B
$1.2B
Debt / Equity
ADTN
ADTN
RKLB
RKLB
Q4 25
0.09×
Q3 25
0.27×
Q2 25
0.50×
Q1 25
0.80×
Q4 24
0.90×
Q3 24
0.15×
Q2 24
0.14×
Q1 24
0.14×

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
RKLB
RKLB
Operating Cash FlowLast quarter
$42.2M
$-64.5M
Free Cash FlowOCF − Capex
$30.6M
$-114.2M
FCF MarginFCF / Revenue
10.5%
-63.6%
Capex IntensityCapex / Revenue
4.0%
27.6%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$98.0M
$-321.8M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
ADTN
ADTN
RKLB
RKLB
Q4 25
$42.2M
$-64.5M
Q3 25
$12.2M
$-23.5M
Q2 25
$32.2M
$-23.2M
Q1 25
$43.2M
$-54.2M
Q4 24
$2.4M
$-2.4M
Q3 24
$43.3M
$-30.9M
Q2 24
$19.9M
$-13.0M
Q1 24
$37.9M
$-2.6M
Free Cash Flow
ADTN
ADTN
RKLB
RKLB
Q4 25
$30.6M
$-114.2M
Q3 25
$4.2M
$-69.4M
Q2 25
$27.5M
$-55.3M
Q1 25
$35.8M
$-82.9M
Q4 24
$-895.0K
$-23.9M
Q3 24
$37.1M
$-41.9M
Q2 24
$8.4M
$-28.3M
Q1 24
$24.4M
$-21.8M
FCF Margin
ADTN
ADTN
RKLB
RKLB
Q4 25
10.5%
-63.6%
Q3 25
1.5%
-44.8%
Q2 25
10.4%
-38.3%
Q1 25
14.4%
-67.6%
Q4 24
-0.4%
-18.1%
Q3 24
16.3%
-40.0%
Q2 24
3.7%
-26.7%
Q1 24
10.8%
-23.5%
Capex Intensity
ADTN
ADTN
RKLB
RKLB
Q4 25
4.0%
27.6%
Q3 25
2.9%
29.6%
Q2 25
1.8%
22.2%
Q1 25
3.0%
23.4%
Q4 24
1.4%
16.3%
Q3 24
2.7%
10.5%
Q2 24
5.1%
14.4%
Q1 24
6.0%
20.7%

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%

RKLB
RKLB

Products$94.0M52%
Transferred Over Time$87.3M49%

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