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

Rocket Lab Corp is the larger business by last-quarter revenue ($179.7M vs $91.4M, roughly 2.0× Amplitude, Inc.). Amplitude, Inc. runs the higher net margin — -19.3% vs -29.5%, a 10.1% gap on every dollar of revenue. On growth, Rocket Lab Corp posted the faster year-over-year revenue change (35.7% vs 17.0%). Amplitude, Inc. produced more free cash flow last quarter ($12.7M vs $-114.2M). Over the past eight quarters, Rocket Lab Corp's revenue compounded faster (39.2% CAGR vs 12.2%).

Amplitude is an American publicly traded company that develops digital analytics software. The company was listed publicly on the Nasdaq stock exchange under the ticker symbol AMPL on September 28, 2021.

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...

AMPL vs RKLB — Head-to-Head

Bigger by revenue
RKLB
RKLB
2.0× larger
RKLB
$179.7M
$91.4M
AMPL
Growing faster (revenue YoY)
RKLB
RKLB
+18.7% gap
RKLB
35.7%
17.0%
AMPL
Higher net margin
AMPL
AMPL
10.1% more per $
AMPL
-19.3%
-29.5%
RKLB
More free cash flow
AMPL
AMPL
$126.8M more FCF
AMPL
$12.7M
$-114.2M
RKLB
Faster 2-yr revenue CAGR
RKLB
RKLB
Annualised
RKLB
39.2%
12.2%
AMPL

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
AMPL
AMPL
RKLB
RKLB
Revenue
$91.4M
$179.7M
Net Profit
$-17.7M
$-52.9M
Gross Margin
74.6%
38.0%
Operating Margin
-18.3%
-28.4%
Net Margin
-19.3%
-29.5%
Revenue YoY
17.0%
35.7%
Net Profit YoY
45.8%
-1.1%
EPS (diluted)
$-0.13
$-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
AMPL
AMPL
RKLB
RKLB
Q4 25
$91.4M
$179.7M
Q3 25
$88.6M
$155.1M
Q2 25
$83.3M
$144.5M
Q1 25
$80.0M
$122.6M
Q4 24
$78.1M
$132.4M
Q3 24
$75.2M
$104.8M
Q2 24
$73.3M
$106.3M
Q1 24
$72.6M
$92.8M
Net Profit
AMPL
AMPL
RKLB
RKLB
Q4 25
$-17.7M
$-52.9M
Q3 25
$-24.0M
$-18.3M
Q2 25
$-24.7M
$-66.4M
Q1 25
$-22.2M
$-60.6M
Q4 24
$-32.6M
$-52.3M
Q3 24
$-16.9M
$-51.9M
Q2 24
$-23.4M
$-41.6M
Q1 24
$-21.5M
$-44.3M
Gross Margin
AMPL
AMPL
RKLB
RKLB
Q4 25
74.6%
38.0%
Q3 25
73.9%
37.0%
Q2 25
72.6%
32.1%
Q1 25
74.7%
28.8%
Q4 24
74.7%
27.8%
Q3 24
75.1%
26.7%
Q2 24
73.4%
25.6%
Q1 24
74.0%
26.1%
Operating Margin
AMPL
AMPL
RKLB
RKLB
Q4 25
-18.3%
-28.4%
Q3 25
-26.0%
-38.0%
Q2 25
-29.0%
-41.3%
Q1 25
-26.8%
-48.3%
Q4 24
-41.2%
-38.9%
Q3 24
-21.4%
-49.5%
Q2 24
-31.7%
-40.7%
Q1 24
-29.0%
-46.4%
Net Margin
AMPL
AMPL
RKLB
RKLB
Q4 25
-19.3%
-29.5%
Q3 25
-27.1%
-11.8%
Q2 25
-29.6%
-46.0%
Q1 25
-27.8%
-49.5%
Q4 24
-41.7%
-39.5%
Q3 24
-22.4%
-49.6%
Q2 24
-31.9%
-39.2%
Q1 24
-29.5%
-47.7%
EPS (diluted)
AMPL
AMPL
RKLB
RKLB
Q4 25
$-0.13
$-0.09
Q3 25
$-0.18
$-0.03
Q2 25
$-0.19
$-0.13
Q1 25
$-0.17
$-0.12
Q4 24
$-0.25
$-0.11
Q3 24
$-0.14
$-0.10
Q2 24
$-0.19
$-0.08
Q1 24
$-0.18
$-0.09

Balance Sheet & Financial Strength

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

Metric
AMPL
AMPL
RKLB
RKLB
Cash + ST InvestmentsLiquidity on hand
$192.0M
$1.0B
Total DebtLower is stronger
$152.4M
Stockholders' EquityBook value
$245.3M
$1.7B
Total Assets
$420.7M
$2.3B
Debt / EquityLower = less leverage
0.09×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
AMPL
AMPL
RKLB
RKLB
Q4 25
$192.0M
$1.0B
Q3 25
$189.2M
$976.7M
Q2 25
$208.1M
$688.1M
Q1 25
$209.0M
$428.4M
Q4 24
$241.1M
$419.0M
Q3 24
$319.9M
$442.4M
Q2 24
$318.3M
$496.8M
Q1 24
$316.1M
$492.5M
Total Debt
AMPL
AMPL
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
AMPL
AMPL
RKLB
RKLB
Q4 25
$245.3M
$1.7B
Q3 25
$262.2M
$1.3B
Q2 25
$279.5M
$688.5M
Q1 25
$289.5M
$431.3M
Q4 24
$296.6M
$382.5M
Q3 24
$290.0M
$419.8M
Q2 24
$287.3M
$455.2M
Q1 24
$289.2M
$478.9M
Total Assets
AMPL
AMPL
RKLB
RKLB
Q4 25
$420.7M
$2.3B
Q3 25
$438.1M
$2.2B
Q2 25
$456.6M
$1.6B
Q1 25
$445.8M
$1.3B
Q4 24
$445.9M
$1.2B
Q3 24
$445.6M
$1.2B
Q2 24
$445.4M
$1.2B
Q1 24
$437.9M
$1.2B
Debt / Equity
AMPL
AMPL
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
AMPL
AMPL
RKLB
RKLB
Operating Cash FlowLast quarter
$12.8M
$-64.5M
Free Cash FlowOCF − Capex
$12.7M
$-114.2M
FCF MarginFCF / Revenue
13.8%
-63.6%
Capex IntensityCapex / Revenue
0.2%
27.6%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$28.2M
$-321.8M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
AMPL
AMPL
RKLB
RKLB
Q4 25
$12.8M
$-64.5M
Q3 25
$5.0M
$-23.5M
Q2 25
$20.1M
$-23.2M
Q1 25
$-8.0M
$-54.2M
Q4 24
$3.2M
$-2.4M
Q3 24
$6.2M
$-30.9M
Q2 24
$9.2M
$-13.0M
Q1 24
$-48.0K
$-2.6M
Free Cash Flow
AMPL
AMPL
RKLB
RKLB
Q4 25
$12.7M
$-114.2M
Q3 25
$4.5M
$-69.4M
Q2 25
$19.5M
$-55.3M
Q1 25
$-8.5M
$-82.9M
Q4 24
$2.4M
$-23.9M
Q3 24
$6.2M
$-41.9M
Q2 24
$8.6M
$-28.3M
Q1 24
$-405.0K
$-21.8M
FCF Margin
AMPL
AMPL
RKLB
RKLB
Q4 25
13.8%
-63.6%
Q3 25
5.1%
-44.8%
Q2 25
23.4%
-38.3%
Q1 25
-10.6%
-67.6%
Q4 24
3.1%
-18.1%
Q3 24
8.2%
-40.0%
Q2 24
11.8%
-26.7%
Q1 24
-0.6%
-23.5%
Capex Intensity
AMPL
AMPL
RKLB
RKLB
Q4 25
0.2%
27.6%
Q3 25
0.5%
29.6%
Q2 25
0.6%
22.2%
Q1 25
0.5%
23.4%
Q4 24
1.0%
16.3%
Q3 24
0.0%
10.5%
Q2 24
0.8%
14.4%
Q1 24
0.5%
20.7%

Financial Flow Comparison

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

Revenue Breakdown by Segment

AMPL
AMPL

US$55.8M61%
International$35.7M39%

RKLB
RKLB

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

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