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Side-by-side financial comparison of BEL FUSE INC (BELFA) 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 $178.5M, roughly 1.0× BEL FUSE INC). BEL FUSE INC runs the higher net margin — 8.4% vs -29.5%, a 37.9% gap on every dollar of revenue. On growth, Rocket Lab Corp posted the faster year-over-year revenue change (35.7% vs 17.2%). Over the past eight quarters, Rocket Lab Corp's revenue compounded faster (39.2% CAGR vs 15.8%).

Bel Fuse Inc. is a global manufacturer of electronic components, offering interconnect solutions, magnetics, and circuit protection products for industries including automotive, data communications, aerospace, industrial, and consumer electronics. It serves original equipment manufacturers and contract manufacturers across North America, Europe, and Asia, prioritizing high-performance, reliable components for cutting-edge technology applications.

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...

BELFA vs RKLB — Head-to-Head

Bigger by revenue
RKLB
RKLB
1.0× larger
RKLB
$179.7M
$178.5M
BELFA
Growing faster (revenue YoY)
RKLB
RKLB
+18.5% gap
RKLB
35.7%
17.2%
BELFA
Higher net margin
BELFA
BELFA
37.9% more per $
BELFA
8.4%
-29.5%
RKLB
Faster 2-yr revenue CAGR
RKLB
RKLB
Annualised
RKLB
39.2%
15.8%
BELFA

Income Statement — Q1 FY2026 vs Q4 FY2025

Metric
BELFA
BELFA
RKLB
RKLB
Revenue
$178.5M
$179.7M
Net Profit
$15.0M
$-52.9M
Gross Margin
39.0%
38.0%
Operating Margin
13.3%
-28.4%
Net Margin
8.4%
-29.5%
Revenue YoY
17.2%
35.7%
Net Profit YoY
-18.2%
-1.1%
EPS (diluted)
$-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
BELFA
BELFA
RKLB
RKLB
Q1 26
$178.5M
Q4 25
$175.9M
$179.7M
Q3 25
$179.0M
$155.1M
Q2 25
$168.3M
$144.5M
Q1 25
$152.2M
$122.6M
Q4 24
$149.9M
$132.4M
Q3 24
$123.6M
$104.8M
Q2 24
$133.2M
$106.3M
Net Profit
BELFA
BELFA
RKLB
RKLB
Q1 26
$15.0M
Q4 25
$6.4M
$-52.9M
Q3 25
$22.6M
$-18.3M
Q2 25
$26.8M
$-66.4M
Q1 25
$17.9M
$-60.6M
Q4 24
$6.4M
$-52.3M
Q3 24
$8.1M
$-51.9M
Q2 24
$18.8M
$-41.6M
Gross Margin
BELFA
BELFA
RKLB
RKLB
Q1 26
39.0%
Q4 25
39.4%
38.0%
Q3 25
39.7%
37.0%
Q2 25
38.7%
32.1%
Q1 25
38.6%
28.8%
Q4 24
37.5%
27.8%
Q3 24
36.1%
26.7%
Q2 24
40.1%
25.6%
Operating Margin
BELFA
BELFA
RKLB
RKLB
Q1 26
13.3%
Q4 25
14.7%
-28.4%
Q3 25
16.9%
-38.0%
Q2 25
17.7%
-41.3%
Q1 25
16.4%
-48.3%
Q4 24
8.3%
-38.9%
Q3 24
9.3%
-49.5%
Q2 24
17.0%
-40.7%
Net Margin
BELFA
BELFA
RKLB
RKLB
Q1 26
8.4%
Q4 25
3.7%
-29.5%
Q3 25
12.6%
-11.8%
Q2 25
15.9%
-46.0%
Q1 25
11.7%
-49.5%
Q4 24
4.3%
-39.5%
Q3 24
6.5%
-49.6%
Q2 24
14.1%
-39.2%
EPS (diluted)
BELFA
BELFA
RKLB
RKLB
Q1 26
Q4 25
$-0.09
Q3 25
$-0.03
Q2 25
$-0.13
Q1 25
$-0.12
Q4 24
$-0.11
Q3 24
$-0.10
Q2 24
$-0.08

Balance Sheet & Financial Strength

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

Metric
BELFA
BELFA
RKLB
RKLB
Cash + ST InvestmentsLiquidity on hand
$59.4M
$1.0B
Total DebtLower is stronger
$204.5M
$152.4M
Stockholders' EquityBook value
$438.9M
$1.7B
Total Assets
$951.9M
$2.3B
Debt / EquityLower = less leverage
0.47×
0.09×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
BELFA
BELFA
RKLB
RKLB
Q1 26
$59.4M
Q4 25
$57.8M
$1.0B
Q3 25
$57.7M
$976.7M
Q2 25
$59.3M
$688.1M
Q1 25
$65.9M
$428.4M
Q4 24
$68.3M
$419.0M
Q3 24
$134.3M
$442.4M
Q2 24
$85.0M
$496.8M
Total Debt
BELFA
BELFA
RKLB
RKLB
Q1 26
$204.5M
Q4 25
$197.5M
$152.4M
Q3 25
$347.0M
Q2 25
$346.5M
Q1 25
$345.9M
Q4 24
$287.5M
$345.4M
Q3 24
$61.2M
Q2 24
$64.2M
Stockholders' Equity
BELFA
BELFA
RKLB
RKLB
Q1 26
$438.9M
Q4 25
$425.5M
$1.7B
Q3 25
$427.8M
$1.3B
Q2 25
$404.7M
$688.5M
Q1 25
$376.9M
$431.3M
Q4 24
$360.6M
$382.5M
Q3 24
$367.4M
$419.8M
Q2 24
$356.4M
$455.2M
Total Assets
BELFA
BELFA
RKLB
RKLB
Q1 26
$951.9M
Q4 25
$935.2M
$2.3B
Q3 25
$952.8M
$2.2B
Q2 25
$950.6M
$1.6B
Q1 25
$940.5M
$1.3B
Q4 24
$949.8M
$1.2B
Q3 24
$584.4M
$1.2B
Q2 24
$567.6M
$1.2B
Debt / Equity
BELFA
BELFA
RKLB
RKLB
Q1 26
0.47×
Q4 25
0.46×
0.09×
Q3 25
0.27×
Q2 25
0.50×
Q1 25
0.80×
Q4 24
0.80×
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
BELFA
BELFA
RKLB
RKLB
Operating Cash FlowLast quarter
$13.8M
$-64.5M
Free Cash FlowOCF − Capex
$-114.2M
FCF MarginFCF / Revenue
-63.6%
Capex IntensityCapex / Revenue
27.6%
Cash ConversionOCF / Net Profit
0.92×
TTM Free Cash FlowTrailing 4 quarters
$-321.8M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
BELFA
BELFA
RKLB
RKLB
Q1 26
$13.8M
Q4 25
$29.6M
$-64.5M
Q3 25
$22.2M
$-23.5M
Q2 25
$20.7M
$-23.2M
Q1 25
$8.1M
$-54.2M
Q4 24
$8.3M
$-2.4M
Q3 24
$27.4M
$-30.9M
Q2 24
$32.2M
$-13.0M
Free Cash Flow
BELFA
BELFA
RKLB
RKLB
Q1 26
Q4 25
$26.1M
$-114.2M
Q3 25
$20.3M
$-69.4M
Q2 25
$16.8M
$-55.3M
Q1 25
$5.4M
$-82.9M
Q4 24
$2.1M
$-23.9M
Q3 24
$23.7M
$-41.9M
Q2 24
$30.8M
$-28.3M
FCF Margin
BELFA
BELFA
RKLB
RKLB
Q1 26
Q4 25
14.9%
-63.6%
Q3 25
11.4%
-44.8%
Q2 25
10.0%
-38.3%
Q1 25
3.5%
-67.6%
Q4 24
1.4%
-18.1%
Q3 24
19.2%
-40.0%
Q2 24
23.2%
-26.7%
Capex Intensity
BELFA
BELFA
RKLB
RKLB
Q1 26
Q4 25
1.9%
27.6%
Q3 25
1.0%
29.6%
Q2 25
2.3%
22.2%
Q1 25
1.8%
23.4%
Q4 24
4.1%
16.3%
Q3 24
2.9%
10.5%
Q2 24
1.0%
14.4%
Cash Conversion
BELFA
BELFA
RKLB
RKLB
Q1 26
0.92×
Q4 25
4.59×
Q3 25
0.98×
Q2 25
0.77×
Q1 25
0.46×
Q4 24
1.30×
Q3 24
3.39×
Q2 24
1.71×

Financial Flow Comparison

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

Revenue Breakdown by Segment

BELFA
BELFA

Segment breakdown not available.

RKLB
RKLB

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

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