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Side-by-side financial comparison of POWER INTEGRATIONS INC (POWI) and CarParts.com, Inc. (PRTS). Click either name above to swap in a different company.

CarParts.com, Inc. is the larger business by last-quarter revenue ($120.4M vs $103.2M, roughly 1.2× POWER INTEGRATIONS INC). POWER INTEGRATIONS INC runs the higher net margin — 12.9% vs -9.6%, a 22.5% gap on every dollar of revenue. On growth, POWER INTEGRATIONS INC posted the faster year-over-year revenue change (-1.9% vs -9.8%). Over the past eight quarters, POWER INTEGRATIONS INC's revenue compounded faster (6.1% CAGR vs -8.6%).

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.

Genuine Parts Company (GPC) is an American automotive and industrial parts distributor based in Atlanta, Georgia. Established by brothers Carlyle and Malcolm Fraser in 1928, the company has approximately 60,000 employees. In addition to the United States, GPC has operated in Australasia, Belgium, Canada, France, Germany, Mexico, the Netherlands, Poland, and the United Kingdom. GPC's subsidiaries include industrial parts distributor Motion as well as NAPA Auto Parts, which primarily sells part...

POWI vs PRTS — Head-to-Head

Bigger by revenue
PRTS
PRTS
1.2× larger
PRTS
$120.4M
$103.2M
POWI
Growing faster (revenue YoY)
POWI
POWI
+7.9% gap
POWI
-1.9%
-9.8%
PRTS
Higher net margin
POWI
POWI
22.5% more per $
POWI
12.9%
-9.6%
PRTS
Faster 2-yr revenue CAGR
POWI
POWI
Annualised
POWI
6.1%
-8.6%
PRTS

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
POWI
POWI
PRTS
PRTS
Revenue
$103.2M
$120.4M
Net Profit
$13.3M
$-11.6M
Gross Margin
52.9%
33.2%
Operating Margin
8.5%
Net Margin
12.9%
-9.6%
Revenue YoY
-1.9%
-9.8%
Net Profit YoY
45.4%
25.0%
EPS (diluted)
$0.24
$-0.82

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
PRTS
PRTS
Q4 25
$103.2M
$120.4M
Q3 25
$118.9M
$127.8M
Q2 25
$115.9M
$151.9M
Q1 25
$105.5M
$147.4M
Q4 24
$105.3M
$133.5M
Q3 24
$115.8M
$144.8M
Q2 24
$106.2M
$144.3M
Q1 24
$91.7M
Net Profit
POWI
POWI
PRTS
PRTS
Q4 25
$13.3M
$-11.6M
Q3 25
$-1.4M
$-10.9M
Q2 25
$1.4M
$-12.7M
Q1 25
$8.8M
$-15.3M
Q4 24
$9.1M
$-15.4M
Q3 24
$14.3M
$-10.0M
Q2 24
$4.8M
$-8.7M
Q1 24
$4.0M
Gross Margin
POWI
POWI
PRTS
PRTS
Q4 25
52.9%
33.2%
Q3 25
54.5%
33.1%
Q2 25
55.2%
32.8%
Q1 25
55.2%
32.1%
Q4 24
54.4%
32.5%
Q3 24
54.5%
35.2%
Q2 24
53.2%
33.5%
Q1 24
52.1%
Operating Margin
POWI
POWI
PRTS
PRTS
Q4 25
8.5%
Q3 25
-3.3%
-7.9%
Q2 25
-1.2%
-8.2%
Q1 25
6.4%
-10.3%
Q4 24
3.7%
-11.6%
Q3 24
10.0%
-6.9%
Q2 24
1.8%
-6.0%
Q1 24
0.5%
Net Margin
POWI
POWI
PRTS
PRTS
Q4 25
12.9%
-9.6%
Q3 25
-1.1%
-8.5%
Q2 25
1.2%
-8.4%
Q1 25
8.3%
-10.4%
Q4 24
8.7%
-11.5%
Q3 24
12.3%
-6.9%
Q2 24
4.6%
-6.0%
Q1 24
4.3%
EPS (diluted)
POWI
POWI
PRTS
PRTS
Q4 25
$0.24
$-0.82
Q3 25
$-0.02
$-0.19
Q2 25
$0.02
$-0.23
Q1 25
$0.15
$-0.27
Q4 24
$0.15
$-0.28
Q3 24
$0.25
$-0.17
Q2 24
$0.09
$-0.15
Q1 24
$0.07

Balance Sheet & Financial Strength

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

Metric
POWI
POWI
PRTS
PRTS
Cash + ST InvestmentsLiquidity on hand
$249.5M
$25.8M
Total DebtLower is stronger
Stockholders' EquityBook value
$672.8M
$53.5M
Total Assets
$772.2M
$184.9M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
POWI
POWI
PRTS
PRTS
Q4 25
$249.5M
$25.8M
Q3 25
$241.9M
Q2 25
$268.7M
Q1 25
$289.3M
Q4 24
$300.0M
Q3 24
$303.8M
Q2 24
$290.5M
Q1 24
$299.6M
Stockholders' Equity
POWI
POWI
PRTS
PRTS
Q4 25
$672.8M
$53.5M
Q3 25
$672.0M
$64.2M
Q2 25
$703.8M
$62.4M
Q1 25
$735.8M
$72.8M
Q4 24
$749.8M
$85.2M
Q3 24
$749.2M
$97.2M
Q2 24
$730.7M
$103.9M
Q1 24
$738.2M
Total Assets
POWI
POWI
PRTS
PRTS
Q4 25
$772.2M
$184.9M
Q3 25
$772.5M
$200.3M
Q2 25
$797.5M
$189.6M
Q1 25
$814.4M
$216.5M
Q4 24
$828.8M
$210.6M
Q3 24
$825.0M
$227.6M
Q2 24
$804.8M
$238.0M
Q1 24
$805.8M

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
PRTS
PRTS
Operating Cash FlowLast quarter
$26.2M
Free Cash FlowOCF − Capex
$19.2M
FCF MarginFCF / Revenue
18.6%
Capex IntensityCapex / Revenue
6.8%
Cash ConversionOCF / Net Profit
1.97×
TTM Free Cash FlowTrailing 4 quarters
$87.1M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
POWI
POWI
PRTS
PRTS
Q4 25
$26.2M
Q3 25
$29.9M
$-6.4M
Q2 25
$29.1M
$-25.6M
Q1 25
$26.4M
$5.5M
Q4 24
$14.7M
$1.8M
Q3 24
$32.9M
$8.5M
Q2 24
$17.6M
$-3.6M
Q1 24
$15.9M
Free Cash Flow
POWI
POWI
PRTS
PRTS
Q4 25
$19.2M
Q3 25
$24.2M
$-8.3M
Q2 25
$23.1M
$-27.9M
Q1 25
$20.7M
$3.4M
Q4 24
$11.7M
$-631.0K
Q3 24
$27.2M
$4.9M
Q2 24
$13.5M
$-10.8M
Q1 24
$11.6M
FCF Margin
POWI
POWI
PRTS
PRTS
Q4 25
18.6%
Q3 25
20.3%
-6.5%
Q2 25
20.0%
-18.3%
Q1 25
19.6%
2.3%
Q4 24
11.1%
-0.5%
Q3 24
23.5%
3.4%
Q2 24
12.7%
-7.5%
Q1 24
12.6%
Capex Intensity
POWI
POWI
PRTS
PRTS
Q4 25
6.8%
Q3 25
4.8%
1.5%
Q2 25
5.1%
1.5%
Q1 25
5.4%
1.4%
Q4 24
2.9%
1.8%
Q3 24
4.9%
2.5%
Q2 24
3.9%
4.9%
Q1 24
4.7%
Cash Conversion
POWI
POWI
PRTS
PRTS
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%

PRTS
PRTS

Segment breakdown not available.

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