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

Ametek is the larger business by last-quarter revenue ($2.0B vs $179.7M, roughly 11.1× Rocket Lab Corp). Ametek runs the higher net margin — 19.9% vs -29.5%, a 49.4% gap on every dollar of revenue. On growth, Rocket Lab Corp posted the faster year-over-year revenue change (35.7% vs 13.4%). Ametek produced more free cash flow last quarter ($527.3M vs $-114.2M). Over the past eight quarters, Rocket Lab Corp's revenue compounded faster (39.2% CAGR vs 7.3%).

AMETEK, Inc. is an American multinational conglomerate and global designer and manufacturer of electronic instruments and electromechanical devices with headquarters in the United States and over 150 sites worldwide.

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...

AME vs RKLB — Head-to-Head

Bigger by revenue
AME
AME
11.1× larger
AME
$2.0B
$179.7M
RKLB
Growing faster (revenue YoY)
RKLB
RKLB
+22.3% gap
RKLB
35.7%
13.4%
AME
Higher net margin
AME
AME
49.4% more per $
AME
19.9%
-29.5%
RKLB
More free cash flow
AME
AME
$641.5M more FCF
AME
$527.3M
$-114.2M
RKLB
Faster 2-yr revenue CAGR
RKLB
RKLB
Annualised
RKLB
39.2%
7.3%
AME

Income Statement — Q4 2025 vs Q4 2025

Metric
AME
AME
RKLB
RKLB
Revenue
$2.0B
$179.7M
Net Profit
$398.6M
$-52.9M
Gross Margin
36.0%
38.0%
Operating Margin
25.3%
-28.4%
Net Margin
19.9%
-29.5%
Revenue YoY
13.4%
35.7%
Net Profit YoY
2.9%
-1.1%
EPS (diluted)
$1.73
$-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
AME
AME
RKLB
RKLB
Q4 25
$2.0B
$179.7M
Q3 25
$1.9B
$155.1M
Q2 25
$1.8B
$144.5M
Q1 25
$1.7B
$122.6M
Q4 24
$1.8B
$132.4M
Q3 24
$1.7B
$104.8M
Q2 24
$1.7B
$106.3M
Q1 24
$1.7B
$92.8M
Net Profit
AME
AME
RKLB
RKLB
Q4 25
$398.6M
$-52.9M
Q3 25
$371.4M
$-18.3M
Q2 25
$358.4M
$-66.4M
Q1 25
$351.8M
$-60.6M
Q4 24
$387.3M
$-52.3M
Q3 24
$340.2M
$-51.9M
Q2 24
$337.7M
$-41.6M
Q1 24
$310.9M
$-44.3M
Gross Margin
AME
AME
RKLB
RKLB
Q4 25
36.0%
38.0%
Q3 25
36.3%
37.0%
Q2 25
35.8%
32.1%
Q1 25
36.1%
28.8%
Q4 24
36.6%
27.8%
Q3 24
36.0%
26.7%
Q2 24
36.0%
25.6%
Q1 24
34.1%
26.1%
Operating Margin
AME
AME
RKLB
RKLB
Q4 25
25.3%
-28.4%
Q3 25
25.8%
-38.0%
Q2 25
26.0%
-41.3%
Q1 25
26.3%
-48.3%
Q4 24
26.6%
-38.9%
Q3 24
26.1%
-49.5%
Q2 24
25.8%
-40.7%
Q1 24
24.0%
-46.4%
Net Margin
AME
AME
RKLB
RKLB
Q4 25
19.9%
-29.5%
Q3 25
19.6%
-11.8%
Q2 25
20.2%
-46.0%
Q1 25
20.3%
-49.5%
Q4 24
22.0%
-39.5%
Q3 24
19.9%
-49.6%
Q2 24
19.5%
-39.2%
Q1 24
17.9%
-47.7%
EPS (diluted)
AME
AME
RKLB
RKLB
Q4 25
$1.73
$-0.09
Q3 25
$1.60
$-0.03
Q2 25
$1.55
$-0.13
Q1 25
$1.52
$-0.12
Q4 24
$1.67
$-0.11
Q3 24
$1.47
$-0.10
Q2 24
$1.45
$-0.08
Q1 24
$1.34
$-0.09

Balance Sheet & Financial Strength

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

Metric
AME
AME
RKLB
RKLB
Cash + ST InvestmentsLiquidity on hand
$458.0M
$1.0B
Total DebtLower is stronger
$2.3B
$152.4M
Stockholders' EquityBook value
$10.6B
$1.7B
Total Assets
$16.1B
$2.3B
Debt / EquityLower = less leverage
0.21×
0.09×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
AME
AME
RKLB
RKLB
Q4 25
$458.0M
$1.0B
Q3 25
$439.2M
$976.7M
Q2 25
$619.7M
$688.1M
Q1 25
$399.0M
$428.4M
Q4 24
$374.0M
$419.0M
Q3 24
$396.3M
$442.4M
Q2 24
$396.6M
$496.8M
Q1 24
$373.8M
$492.5M
Total Debt
AME
AME
RKLB
RKLB
Q4 25
$2.3B
$152.4M
Q3 25
$347.0M
Q2 25
$346.5M
Q1 25
$345.9M
Q4 24
$2.1B
$345.4M
Q3 24
$61.2M
Q2 24
$64.2M
Q1 24
$66.8M
Stockholders' Equity
AME
AME
RKLB
RKLB
Q4 25
$10.6B
$1.7B
Q3 25
$10.5B
$1.3B
Q2 25
$10.4B
$688.5M
Q1 25
$10.0B
$431.3M
Q4 24
$9.7B
$382.5M
Q3 24
$9.6B
$419.8M
Q2 24
$9.3B
$455.2M
Q1 24
$9.0B
$478.9M
Total Assets
AME
AME
RKLB
RKLB
Q4 25
$16.1B
$2.3B
Q3 25
$16.2B
$2.2B
Q2 25
$15.3B
$1.6B
Q1 25
$14.9B
$1.3B
Q4 24
$14.6B
$1.2B
Q3 24
$14.8B
$1.2B
Q2 24
$14.8B
$1.2B
Q1 24
$14.9B
$1.2B
Debt / Equity
AME
AME
RKLB
RKLB
Q4 25
0.21×
0.09×
Q3 25
0.27×
Q2 25
0.50×
Q1 25
0.80×
Q4 24
0.22×
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
AME
AME
RKLB
RKLB
Operating Cash FlowLast quarter
$584.3M
$-64.5M
Free Cash FlowOCF − Capex
$527.3M
$-114.2M
FCF MarginFCF / Revenue
26.4%
-63.6%
Capex IntensityCapex / Revenue
2.9%
27.6%
Cash ConversionOCF / Net Profit
1.47×
TTM Free Cash FlowTrailing 4 quarters
$1.7B
$-321.8M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
AME
AME
RKLB
RKLB
Q4 25
$584.3M
$-64.5M
Q3 25
$440.9M
$-23.5M
Q2 25
$359.1M
$-23.2M
Q1 25
$417.5M
$-54.2M
Q4 24
$550.0M
$-2.4M
Q3 24
$487.2M
$-30.9M
Q2 24
$381.4M
$-13.0M
Q1 24
$410.2M
$-2.6M
Free Cash Flow
AME
AME
RKLB
RKLB
Q4 25
$527.3M
$-114.2M
Q3 25
$420.0M
$-69.4M
Q2 25
$329.8M
$-55.3M
Q1 25
$394.5M
$-82.9M
Q4 24
$498.3M
$-23.9M
Q3 24
$460.9M
$-41.9M
Q2 24
$360.0M
$-28.3M
Q1 24
$382.6M
$-21.8M
FCF Margin
AME
AME
RKLB
RKLB
Q4 25
26.4%
-63.6%
Q3 25
22.2%
-44.8%
Q2 25
18.5%
-38.3%
Q1 25
22.8%
-67.6%
Q4 24
28.3%
-18.1%
Q3 24
27.0%
-40.0%
Q2 24
20.8%
-26.7%
Q1 24
22.0%
-23.5%
Capex Intensity
AME
AME
RKLB
RKLB
Q4 25
2.9%
27.6%
Q3 25
1.1%
29.6%
Q2 25
1.6%
22.2%
Q1 25
1.3%
23.4%
Q4 24
2.9%
16.3%
Q3 24
1.5%
10.5%
Q2 24
1.2%
14.4%
Q1 24
1.6%
20.7%
Cash Conversion
AME
AME
RKLB
RKLB
Q4 25
1.47×
Q3 25
1.19×
Q2 25
1.00×
Q1 25
1.19×
Q4 24
1.42×
Q3 24
1.43×
Q2 24
1.13×
Q1 24
1.32×

Financial Flow Comparison

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

Revenue Breakdown by Segment

AME
AME

Transferred At Point In Time$1.1B54%
Electronic Instruments Group$620.1M31%
Transferred Over Time$294.6M15%

RKLB
RKLB

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

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