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Side-by-side financial comparison of POWER INTEGRATIONS INC (POWI) 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 $103.2M, roughly 1.7× POWER INTEGRATIONS INC). POWER INTEGRATIONS INC runs the higher net margin — 12.9% vs -29.5%, a 42.3% gap on every dollar of revenue. On growth, Rocket Lab Corp posted the faster year-over-year revenue change (35.7% vs -1.9%). POWER INTEGRATIONS INC produced more free cash flow last quarter ($19.2M vs $-114.2M). Over the past eight quarters, Rocket Lab Corp's revenue compounded faster (39.2% CAGR vs 6.1%).

American Electric Power Company, Inc. is an American domestic electric utility company in the United States. It is one of the largest electric utility companies in the country, with more than five million customers in 11 states.

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...

POWI vs RKLB — Head-to-Head

Bigger by revenue
RKLB
RKLB
1.7× larger
RKLB
$179.7M
$103.2M
POWI
Growing faster (revenue YoY)
RKLB
RKLB
+37.6% gap
RKLB
35.7%
-1.9%
POWI
Higher net margin
POWI
POWI
42.3% more per $
POWI
12.9%
-29.5%
RKLB
More free cash flow
POWI
POWI
$133.3M more FCF
POWI
$19.2M
$-114.2M
RKLB
Faster 2-yr revenue CAGR
RKLB
RKLB
Annualised
RKLB
39.2%
6.1%
POWI

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
POWI
POWI
RKLB
RKLB
Revenue
$103.2M
$179.7M
Net Profit
$13.3M
$-52.9M
Gross Margin
52.9%
38.0%
Operating Margin
8.5%
-28.4%
Net Margin
12.9%
-29.5%
Revenue YoY
-1.9%
35.7%
Net Profit YoY
45.4%
-1.1%
EPS (diluted)
$0.24
$-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
POWI
POWI
RKLB
RKLB
Q4 25
$103.2M
$179.7M
Q3 25
$118.9M
$155.1M
Q2 25
$115.9M
$144.5M
Q1 25
$105.5M
$122.6M
Q4 24
$105.3M
$132.4M
Q3 24
$115.8M
$104.8M
Q2 24
$106.2M
$106.3M
Q1 24
$91.7M
$92.8M
Net Profit
POWI
POWI
RKLB
RKLB
Q4 25
$13.3M
$-52.9M
Q3 25
$-1.4M
$-18.3M
Q2 25
$1.4M
$-66.4M
Q1 25
$8.8M
$-60.6M
Q4 24
$9.1M
$-52.3M
Q3 24
$14.3M
$-51.9M
Q2 24
$4.8M
$-41.6M
Q1 24
$4.0M
$-44.3M
Gross Margin
POWI
POWI
RKLB
RKLB
Q4 25
52.9%
38.0%
Q3 25
54.5%
37.0%
Q2 25
55.2%
32.1%
Q1 25
55.2%
28.8%
Q4 24
54.4%
27.8%
Q3 24
54.5%
26.7%
Q2 24
53.2%
25.6%
Q1 24
52.1%
26.1%
Operating Margin
POWI
POWI
RKLB
RKLB
Q4 25
8.5%
-28.4%
Q3 25
-3.3%
-38.0%
Q2 25
-1.2%
-41.3%
Q1 25
6.4%
-48.3%
Q4 24
3.7%
-38.9%
Q3 24
10.0%
-49.5%
Q2 24
1.8%
-40.7%
Q1 24
0.5%
-46.4%
Net Margin
POWI
POWI
RKLB
RKLB
Q4 25
12.9%
-29.5%
Q3 25
-1.1%
-11.8%
Q2 25
1.2%
-46.0%
Q1 25
8.3%
-49.5%
Q4 24
8.7%
-39.5%
Q3 24
12.3%
-49.6%
Q2 24
4.6%
-39.2%
Q1 24
4.3%
-47.7%
EPS (diluted)
POWI
POWI
RKLB
RKLB
Q4 25
$0.24
$-0.09
Q3 25
$-0.02
$-0.03
Q2 25
$0.02
$-0.13
Q1 25
$0.15
$-0.12
Q4 24
$0.15
$-0.11
Q3 24
$0.25
$-0.10
Q2 24
$0.09
$-0.08
Q1 24
$0.07
$-0.09

Balance Sheet & Financial Strength

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

Metric
POWI
POWI
RKLB
RKLB
Cash + ST InvestmentsLiquidity on hand
$249.5M
$1.0B
Total DebtLower is stronger
$152.4M
Stockholders' EquityBook value
$672.8M
$1.7B
Total Assets
$772.2M
$2.3B
Debt / EquityLower = less leverage
0.09×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
POWI
POWI
RKLB
RKLB
Q4 25
$249.5M
$1.0B
Q3 25
$241.9M
$976.7M
Q2 25
$268.7M
$688.1M
Q1 25
$289.3M
$428.4M
Q4 24
$300.0M
$419.0M
Q3 24
$303.8M
$442.4M
Q2 24
$290.5M
$496.8M
Q1 24
$299.6M
$492.5M
Total Debt
POWI
POWI
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
POWI
POWI
RKLB
RKLB
Q4 25
$672.8M
$1.7B
Q3 25
$672.0M
$1.3B
Q2 25
$703.8M
$688.5M
Q1 25
$735.8M
$431.3M
Q4 24
$749.8M
$382.5M
Q3 24
$749.2M
$419.8M
Q2 24
$730.7M
$455.2M
Q1 24
$738.2M
$478.9M
Total Assets
POWI
POWI
RKLB
RKLB
Q4 25
$772.2M
$2.3B
Q3 25
$772.5M
$2.2B
Q2 25
$797.5M
$1.6B
Q1 25
$814.4M
$1.3B
Q4 24
$828.8M
$1.2B
Q3 24
$825.0M
$1.2B
Q2 24
$804.8M
$1.2B
Q1 24
$805.8M
$1.2B
Debt / Equity
POWI
POWI
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
POWI
POWI
RKLB
RKLB
Operating Cash FlowLast quarter
$26.2M
$-64.5M
Free Cash FlowOCF − Capex
$19.2M
$-114.2M
FCF MarginFCF / Revenue
18.6%
-63.6%
Capex IntensityCapex / Revenue
6.8%
27.6%
Cash ConversionOCF / Net Profit
1.97×
TTM Free Cash FlowTrailing 4 quarters
$87.1M
$-321.8M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
POWI
POWI
RKLB
RKLB
Q4 25
$26.2M
$-64.5M
Q3 25
$29.9M
$-23.5M
Q2 25
$29.1M
$-23.2M
Q1 25
$26.4M
$-54.2M
Q4 24
$14.7M
$-2.4M
Q3 24
$32.9M
$-30.9M
Q2 24
$17.6M
$-13.0M
Q1 24
$15.9M
$-2.6M
Free Cash Flow
POWI
POWI
RKLB
RKLB
Q4 25
$19.2M
$-114.2M
Q3 25
$24.2M
$-69.4M
Q2 25
$23.1M
$-55.3M
Q1 25
$20.7M
$-82.9M
Q4 24
$11.7M
$-23.9M
Q3 24
$27.2M
$-41.9M
Q2 24
$13.5M
$-28.3M
Q1 24
$11.6M
$-21.8M
FCF Margin
POWI
POWI
RKLB
RKLB
Q4 25
18.6%
-63.6%
Q3 25
20.3%
-44.8%
Q2 25
20.0%
-38.3%
Q1 25
19.6%
-67.6%
Q4 24
11.1%
-18.1%
Q3 24
23.5%
-40.0%
Q2 24
12.7%
-26.7%
Q1 24
12.6%
-23.5%
Capex Intensity
POWI
POWI
RKLB
RKLB
Q4 25
6.8%
27.6%
Q3 25
4.8%
29.6%
Q2 25
5.1%
22.2%
Q1 25
5.4%
23.4%
Q4 24
2.9%
16.3%
Q3 24
4.9%
10.5%
Q2 24
3.9%
14.4%
Q1 24
4.7%
20.7%
Cash Conversion
POWI
POWI
RKLB
RKLB
Q4 25
1.97×
Q3 25
Q2 25
21.24×
Q1 25
3.00×
Q4 24
1.61×
Q3 24
2.30×
Q2 24
3.64×
Q1 24
4.02×

Financial Flow Comparison

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

Revenue Breakdown by Segment

POWI
POWI

Distributors$65.8M64%
Other$10.3M10%
KR$9.3M9%
DE$7.1M7%
TW$5.5M5%
Emea Other Than Germany$5.3M5%

RKLB
RKLB

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

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