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

SILICON LABORATORIES INC. is the larger business by last-quarter revenue ($208.2M vs $179.7M, roughly 1.2× Rocket Lab Corp). On growth, Rocket Lab Corp posted the faster year-over-year revenue change (35.7% vs 25.2%). SILICON LABORATORIES INC. produced more free cash flow last quarter ($-1.6M vs $-114.2M). Over the past eight quarters, SILICON LABORATORIES INC.'s revenue compounded faster (39.9% CAGR vs 39.2%).

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...

Silicon Laboratories, Inc., commonly referred to as Silicon Labs, is a fabless global technology company that designs and manufactures semiconductors, other silicon devices and software, which it sells to electronics design engineers and manufacturers in Internet of Things (IoT) infrastructure worldwide.

RKLB vs SLAB — Head-to-Head

Bigger by revenue
SLAB
SLAB
1.2× larger
SLAB
$208.2M
$179.7M
RKLB
Growing faster (revenue YoY)
RKLB
RKLB
+10.5% gap
RKLB
35.7%
25.2%
SLAB
More free cash flow
SLAB
SLAB
$112.6M more FCF
SLAB
$-1.6M
$-114.2M
RKLB
Faster 2-yr revenue CAGR
SLAB
SLAB
Annualised
SLAB
39.9%
39.2%
RKLB

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
RKLB
RKLB
SLAB
SLAB
Revenue
$179.7M
$208.2M
Net Profit
$-52.9M
Gross Margin
38.0%
63.4%
Operating Margin
-28.4%
-1.6%
Net Margin
-29.5%
Revenue YoY
35.7%
25.2%
Net Profit YoY
-1.1%
EPS (diluted)
$-0.09
$-0.07

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
RKLB
RKLB
SLAB
SLAB
Q1 26
$208.2M
Q4 25
$179.7M
$206.0M
Q3 25
$155.1M
$192.8M
Q2 25
$144.5M
$177.7M
Q1 25
$122.6M
Q4 24
$132.4M
$166.2M
Q3 24
$104.8M
$166.4M
Q2 24
$106.3M
$145.4M
Net Profit
RKLB
RKLB
SLAB
SLAB
Q1 26
Q4 25
$-52.9M
$-9.9M
Q3 25
$-18.3M
$-21.8M
Q2 25
$-66.4M
Q1 25
$-60.6M
Q4 24
$-52.3M
Q3 24
$-51.9M
$-28.5M
Q2 24
$-41.6M
$-82.2M
Gross Margin
RKLB
RKLB
SLAB
SLAB
Q1 26
63.4%
Q4 25
38.0%
57.8%
Q3 25
37.0%
56.1%
Q2 25
32.1%
55.0%
Q1 25
28.8%
Q4 24
27.8%
54.3%
Q3 24
26.7%
54.3%
Q2 24
25.6%
52.7%
Operating Margin
RKLB
RKLB
SLAB
SLAB
Q1 26
-1.6%
Q4 25
-28.4%
-6.0%
Q3 25
-38.0%
-11.9%
Q2 25
-41.3%
-18.1%
Q1 25
-48.3%
Q4 24
-38.9%
-17.2%
Q3 24
-49.5%
-17.9%
Q2 24
-40.7%
-33.0%
Net Margin
RKLB
RKLB
SLAB
SLAB
Q1 26
Q4 25
-29.5%
-4.8%
Q3 25
-11.8%
-11.3%
Q2 25
-46.0%
Q1 25
-49.5%
Q4 24
-39.5%
Q3 24
-49.6%
-17.1%
Q2 24
-39.2%
-56.5%
EPS (diluted)
RKLB
RKLB
SLAB
SLAB
Q1 26
$-0.07
Q4 25
$-0.09
$-0.30
Q3 25
$-0.03
$-0.67
Q2 25
$-0.13
$-0.94
Q1 25
$-0.12
Q4 24
$-0.11
$-0.72
Q3 24
$-0.10
$-0.88
Q2 24
$-0.08
$-2.56

Balance Sheet & Financial Strength

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

Metric
RKLB
RKLB
SLAB
SLAB
Cash + ST InvestmentsLiquidity on hand
$1.0B
$443.6M
Total DebtLower is stronger
$152.4M
Stockholders' EquityBook value
$1.7B
$1.1B
Total Assets
$2.3B
$1.3B
Debt / EquityLower = less leverage
0.09×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
RKLB
RKLB
SLAB
SLAB
Q1 26
$443.6M
Q4 25
$1.0B
$439.0M
Q3 25
$976.7M
$415.5M
Q2 25
$688.1M
$424.8M
Q1 25
$428.4M
Q4 24
$419.0M
$382.2M
Q3 24
$442.4M
$369.7M
Q2 24
$496.8M
$339.2M
Total Debt
RKLB
RKLB
SLAB
SLAB
Q1 26
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
Stockholders' Equity
RKLB
RKLB
SLAB
SLAB
Q1 26
$1.1B
Q4 25
$1.7B
$1.1B
Q3 25
$1.3B
$1.1B
Q2 25
$688.5M
$1.1B
Q1 25
$431.3M
Q4 24
$382.5M
$1.1B
Q3 24
$419.8M
$1.1B
Q2 24
$455.2M
$1.1B
Total Assets
RKLB
RKLB
SLAB
SLAB
Q1 26
$1.3B
Q4 25
$2.3B
$1.3B
Q3 25
$2.2B
$1.2B
Q2 25
$1.6B
$1.2B
Q1 25
$1.3B
Q4 24
$1.2B
$1.2B
Q3 24
$1.2B
$1.2B
Q2 24
$1.2B
$1.2B
Debt / Equity
RKLB
RKLB
SLAB
SLAB
Q1 26
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×

Cash Flow & Capital Efficiency

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

Metric
RKLB
RKLB
SLAB
SLAB
Operating Cash FlowLast quarter
$-64.5M
$8.3M
Free Cash FlowOCF − Capex
$-114.2M
$-1.6M
FCF MarginFCF / Revenue
-63.6%
-0.8%
Capex IntensityCapex / Revenue
27.6%
4.8%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$-321.8M
$65.8M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
RKLB
RKLB
SLAB
SLAB
Q1 26
$8.3M
Q4 25
$-64.5M
$34.3M
Q3 25
$-23.5M
$4.9M
Q2 25
$-23.2M
$48.1M
Q1 25
$-54.2M
Q4 24
$-2.4M
$10.1M
Q3 24
$-30.9M
$31.6M
Q2 24
$-13.0M
$16.1M
Free Cash Flow
RKLB
RKLB
SLAB
SLAB
Q1 26
$-1.6M
Q4 25
$-114.2M
$27.9M
Q3 25
$-69.4M
$-3.8M
Q2 25
$-55.3M
$43.3M
Q1 25
$-82.9M
Q4 24
$-23.9M
$6.2M
Q3 24
$-41.9M
$29.4M
Q2 24
$-28.3M
$12.6M
FCF Margin
RKLB
RKLB
SLAB
SLAB
Q1 26
-0.8%
Q4 25
-63.6%
13.6%
Q3 25
-44.8%
-2.0%
Q2 25
-38.3%
24.4%
Q1 25
-67.6%
Q4 24
-18.1%
3.7%
Q3 24
-40.0%
17.7%
Q2 24
-26.7%
8.7%
Capex Intensity
RKLB
RKLB
SLAB
SLAB
Q1 26
4.8%
Q4 25
27.6%
3.1%
Q3 25
29.6%
4.5%
Q2 25
22.2%
2.7%
Q1 25
23.4%
Q4 24
16.3%
2.4%
Q3 24
10.5%
1.3%
Q2 24
14.4%
2.4%

Financial Flow Comparison

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

Revenue Breakdown by Segment

RKLB
RKLB

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

SLAB
SLAB

Sales Channel Through Intermediary$157.5M76%
Sales Channel Directly To Consumer$50.7M24%

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