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

CarParts.com, Inc. is the larger business by last-quarter revenue ($120.4M vs $79.7M, roughly 1.5× SunPower Inc.). CarParts.com, Inc. runs the higher net margin — -9.6% vs -17.8%, a 8.2% gap on every dollar of revenue. On growth, CarParts.com, Inc. posted the faster year-over-year revenue change (-9.8% vs -10.1%). Over the past eight quarters, SunPower Inc.'s revenue compounded faster (118.7% CAGR vs -8.6%).

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...

SunPower Corporation is an American provider of photovoltaic solar energy generation systems and battery energy storage products, primarily for residential customers. The company, headquartered in San Jose, California, was founded in 1985 by Richard Swanson, an electrical engineering professor from Stanford University. Cypress Semiconductor bought a majority interest in the company in 2002, growing it quickly until SunPower went public in 2005. TotalEnergies, a French energy and oil company p...

PRTS vs SPWR — Head-to-Head

Bigger by revenue
PRTS
PRTS
1.5× larger
PRTS
$120.4M
$79.7M
SPWR
Growing faster (revenue YoY)
PRTS
PRTS
+0.3% gap
PRTS
-9.8%
-10.1%
SPWR
Higher net margin
PRTS
PRTS
8.2% more per $
PRTS
-9.6%
-17.8%
SPWR
Faster 2-yr revenue CAGR
SPWR
SPWR
Annualised
SPWR
118.7%
-8.6%
PRTS

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
PRTS
PRTS
SPWR
SPWR
Revenue
$120.4M
$79.7M
Net Profit
$-11.6M
$-14.2M
Gross Margin
33.2%
35.5%
Operating Margin
-27.4%
Net Margin
-9.6%
-17.8%
Revenue YoY
-9.8%
-10.1%
Net Profit YoY
25.0%
-130.1%
EPS (diluted)
$-0.82
$-0.05

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
PRTS
PRTS
SPWR
SPWR
Q4 25
$120.4M
$79.7M
Q3 25
$127.8M
$22.0M
Q2 25
$151.9M
$67.5M
Q1 25
$147.4M
$82.7M
Q4 24
$133.5M
$88.7M
Q3 24
$144.8M
Q2 24
$144.3M
Q4 23
$24.6M
Net Profit
PRTS
PRTS
SPWR
SPWR
Q4 25
$-11.6M
$-14.2M
Q3 25
$-10.9M
$-16.9M
Q2 25
$-12.7M
$-22.4M
Q1 25
$-15.3M
$8.1M
Q4 24
$-15.4M
$47.0M
Q3 24
$-10.0M
Q2 24
$-8.7M
Q4 23
$-206.9M
Gross Margin
PRTS
PRTS
SPWR
SPWR
Q4 25
33.2%
35.5%
Q3 25
33.1%
Q2 25
32.8%
42.6%
Q1 25
32.1%
48.5%
Q4 24
32.5%
46.5%
Q3 24
35.2%
Q2 24
33.5%
Q4 23
25.4%
Operating Margin
PRTS
PRTS
SPWR
SPWR
Q4 25
-27.4%
Q3 25
-7.9%
-15.7%
Q2 25
-8.2%
-4.0%
Q1 25
-10.3%
1.3%
Q4 24
-11.6%
-24.2%
Q3 24
-6.9%
Q2 24
-6.0%
Q4 23
-45.1%
Net Margin
PRTS
PRTS
SPWR
SPWR
Q4 25
-9.6%
-17.8%
Q3 25
-8.5%
-76.9%
Q2 25
-8.4%
-33.2%
Q1 25
-10.4%
9.8%
Q4 24
-11.5%
53.0%
Q3 24
-6.9%
Q2 24
-6.0%
Q4 23
-841.3%
EPS (diluted)
PRTS
PRTS
SPWR
SPWR
Q4 25
$-0.82
$-0.05
Q3 25
$-0.19
$-0.19
Q2 25
$-0.23
$-0.28
Q1 25
$-0.27
$0.00
Q4 24
$-0.28
$0.27
Q3 24
$-0.17
Q2 24
$-0.15
Q4 23
$-5.20

Balance Sheet & Financial Strength

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

Metric
PRTS
PRTS
SPWR
SPWR
Cash + ST InvestmentsLiquidity on hand
$25.8M
$9.6M
Total DebtLower is stronger
$164.8M
Stockholders' EquityBook value
$53.5M
$-90.1M
Total Assets
$184.9M
$241.2M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
PRTS
PRTS
SPWR
SPWR
Q4 25
$25.8M
$9.6M
Q3 25
$5.1M
Q2 25
$11.1M
Q1 25
$10.6M
Q4 24
$13.4M
Q3 24
Q2 24
Q4 23
Total Debt
PRTS
PRTS
SPWR
SPWR
Q4 25
$164.8M
Q3 25
$204.3M
Q2 25
$152.9M
Q1 25
Q4 24
$147.3M
Q3 24
Q2 24
Q4 23
Stockholders' Equity
PRTS
PRTS
SPWR
SPWR
Q4 25
$53.5M
$-90.1M
Q3 25
$64.2M
$-112.3M
Q2 25
$62.4M
$-107.2M
Q1 25
$72.8M
$-89.0M
Q4 24
$85.2M
$-97.5M
Q3 24
$97.2M
Q2 24
$103.9M
Q4 23
$-50.8M
Total Assets
PRTS
PRTS
SPWR
SPWR
Q4 25
$184.9M
$241.2M
Q3 25
$200.3M
$208.3M
Q2 25
$189.6M
$163.1M
Q1 25
$216.5M
$147.8M
Q4 24
$210.6M
$144.5M
Q3 24
$227.6M
Q2 24
$238.0M
Q4 23

Cash Flow & Capital Efficiency

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

Metric
PRTS
PRTS
SPWR
SPWR
Operating Cash FlowLast quarter
$-1.9M
Free Cash FlowOCF − Capex
FCF MarginFCF / Revenue
Capex IntensityCapex / Revenue
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
PRTS
PRTS
SPWR
SPWR
Q4 25
$-1.9M
Q3 25
$-6.4M
$-6.4M
Q2 25
$-25.6M
$-4.4M
Q1 25
$5.5M
$-2.6M
Q4 24
$1.8M
$-25.6M
Q3 24
$8.5M
Q2 24
$-3.6M
Q4 23
Free Cash Flow
PRTS
PRTS
SPWR
SPWR
Q4 25
Q3 25
$-8.3M
Q2 25
$-27.9M
Q1 25
$3.4M
Q4 24
$-631.0K
Q3 24
$4.9M
Q2 24
$-10.8M
Q4 23
FCF Margin
PRTS
PRTS
SPWR
SPWR
Q4 25
Q3 25
-6.5%
Q2 25
-18.3%
Q1 25
2.3%
Q4 24
-0.5%
Q3 24
3.4%
Q2 24
-7.5%
Q4 23
Capex Intensity
PRTS
PRTS
SPWR
SPWR
Q4 25
Q3 25
1.5%
Q2 25
1.5%
Q1 25
1.4%
Q4 24
1.8%
Q3 24
2.5%
Q2 24
4.9%
Q4 23
2.0%
Cash Conversion
PRTS
PRTS
SPWR
SPWR
Q4 25
Q3 25
Q2 25
Q1 25
-0.32×
Q4 24
-0.54×
Q3 24
Q2 24
Q4 23

Financial Flow Comparison

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

Revenue Breakdown by Segment

PRTS
PRTS

Segment breakdown not available.

SPWR
SPWR

Residential Solar Installation$46.9M59%
New Homes Business$22.7M29%
Other$10.1M13%

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