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

SunPower Inc. is the larger business by last-quarter revenue ($79.7M vs $43.6M, roughly 1.8× GRAIL, Inc.). SunPower Inc. runs the higher net margin — -17.8% vs -227.5%, a 209.7% gap on every dollar of revenue. On growth, GRAIL, Inc. posted the faster year-over-year revenue change (14.0% vs -10.1%). Over the past eight quarters, SunPower Inc.'s revenue compounded faster (118.7% CAGR vs 27.7%).

GRAIL, Inc. is an American biotechnology company based in Menlo Park, California founded in 2015 seeking to develop an early cancer screening test for people who do not have symptoms. As a startup it was a subsidiary of Illumina, which bought it outright in 2021.

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...

GRAL vs SPWR — Head-to-Head

Bigger by revenue
SPWR
SPWR
1.8× larger
SPWR
$79.7M
$43.6M
GRAL
Growing faster (revenue YoY)
GRAL
GRAL
+24.1% gap
GRAL
14.0%
-10.1%
SPWR
Higher net margin
SPWR
SPWR
209.7% more per $
SPWR
-17.8%
-227.5%
GRAL
Faster 2-yr revenue CAGR
SPWR
SPWR
Annualised
SPWR
118.7%
27.7%
GRAL

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
GRAL
GRAL
SPWR
SPWR
Revenue
$43.6M
$79.7M
Net Profit
$-99.2M
$-14.2M
Gross Margin
35.5%
Operating Margin
-285.4%
-27.4%
Net Margin
-227.5%
-17.8%
Revenue YoY
14.0%
-10.1%
Net Profit YoY
-2.2%
-130.1%
EPS (diluted)
$-2.37
$-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
GRAL
GRAL
SPWR
SPWR
Q4 25
$43.6M
$79.7M
Q3 25
$36.2M
$22.0M
Q2 25
$35.5M
$67.5M
Q1 25
$31.8M
$82.7M
Q4 24
$38.3M
$88.7M
Q3 24
$28.7M
Q2 24
$32.0M
Q1 24
$26.7M
Net Profit
GRAL
GRAL
SPWR
SPWR
Q4 25
$-99.2M
$-14.2M
Q3 25
$-89.0M
$-16.9M
Q2 25
$-114.0M
$-22.4M
Q1 25
$-106.2M
$8.1M
Q4 24
$-97.1M
$47.0M
Q3 24
$-125.7M
Q2 24
$-1.6B
Q1 24
$-218.9M
Gross Margin
GRAL
GRAL
SPWR
SPWR
Q4 25
35.5%
Q3 25
Q2 25
42.6%
Q1 25
48.5%
Q4 24
46.5%
Q3 24
Q2 24
Q1 24
Operating Margin
GRAL
GRAL
SPWR
SPWR
Q4 25
-285.4%
-27.4%
Q3 25
-346.2%
-15.7%
Q2 25
-446.9%
-4.0%
Q1 25
-482.5%
1.3%
Q4 24
-358.0%
-24.2%
Q3 24
-640.5%
Q2 24
-5133.8%
Q1 24
-851.1%
Net Margin
GRAL
GRAL
SPWR
SPWR
Q4 25
-227.5%
-17.8%
Q3 25
-245.8%
-76.9%
Q2 25
-320.7%
-33.2%
Q1 25
-333.6%
9.8%
Q4 24
-253.8%
53.0%
Q3 24
-438.7%
Q2 24
-4958.8%
Q1 24
-819.3%
EPS (diluted)
GRAL
GRAL
SPWR
SPWR
Q4 25
$-2.37
$-0.05
Q3 25
$-2.46
$-0.19
Q2 25
$-3.18
$-0.28
Q1 25
$-3.10
$0.00
Q4 24
$-1.49
$0.27
Q3 24
$-3.94
Q2 24
$-51.06
Q1 24
$-7.05

Balance Sheet & Financial Strength

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

Metric
GRAL
GRAL
SPWR
SPWR
Cash + ST InvestmentsLiquidity on hand
$249.7M
$9.6M
Total DebtLower is stronger
$164.8M
Stockholders' EquityBook value
$2.6B
$-90.1M
Total Assets
$2.9B
$241.2M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
GRAL
GRAL
SPWR
SPWR
Q4 25
$249.7M
$9.6M
Q3 25
$126.9M
$5.1M
Q2 25
$127.4M
$11.1M
Q1 25
$133.9M
$10.6M
Q4 24
$214.2M
$13.4M
Q3 24
$853.6M
Q2 24
$958.8M
Q1 24
$199.7M
Total Debt
GRAL
GRAL
SPWR
SPWR
Q4 25
$164.8M
Q3 25
$204.3M
Q2 25
$152.9M
Q1 25
Q4 24
$147.3M
Q3 24
Q2 24
Q1 24
Stockholders' Equity
GRAL
GRAL
SPWR
SPWR
Q4 25
$2.6B
$-90.1M
Q3 25
$2.2B
$-112.3M
Q2 25
$2.3B
$-107.2M
Q1 25
$2.4B
$-89.0M
Q4 24
$2.5B
$-97.5M
Q3 24
$2.6B
Q2 24
$2.7B
Q1 24
Total Assets
GRAL
GRAL
SPWR
SPWR
Q4 25
$2.9B
$241.2M
Q3 25
$2.6B
$208.3M
Q2 25
$2.7B
$163.1M
Q1 25
$2.8B
$147.8M
Q4 24
$3.0B
$144.5M
Q3 24
$3.1B
Q2 24
$3.3B
Q1 24

Cash Flow & Capital Efficiency

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

Metric
GRAL
GRAL
SPWR
SPWR
Operating Cash FlowLast quarter
$-63.8M
$-1.9M
Free Cash FlowOCF − Capex
$-63.9M
FCF MarginFCF / Revenue
-146.5%
Capex IntensityCapex / Revenue
0.2%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$-299.9M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
GRAL
GRAL
SPWR
SPWR
Q4 25
$-63.8M
$-1.9M
Q3 25
$-63.2M
$-6.4M
Q2 25
$-77.0M
$-4.4M
Q1 25
$-95.0M
$-2.6M
Q4 24
$-25.6M
Q3 24
$-104.6M
Q2 24
$-171.8M
Q1 24
$-207.3M
Free Cash Flow
GRAL
GRAL
SPWR
SPWR
Q4 25
$-63.9M
Q3 25
$-63.6M
Q2 25
$-77.3M
Q1 25
$-95.1M
Q4 24
Q3 24
$-105.6M
Q2 24
$-173.2M
Q1 24
$-209.8M
FCF Margin
GRAL
GRAL
SPWR
SPWR
Q4 25
-146.5%
Q3 25
-175.8%
Q2 25
-217.6%
Q1 25
-298.6%
Q4 24
Q3 24
-368.4%
Q2 24
-541.7%
Q1 24
-785.3%
Capex Intensity
GRAL
GRAL
SPWR
SPWR
Q4 25
0.2%
Q3 25
1.1%
Q2 25
1.0%
Q1 25
0.2%
Q4 24
Q3 24
3.4%
Q2 24
4.3%
Q1 24
9.5%
Cash Conversion
GRAL
GRAL
SPWR
SPWR
Q4 25
Q3 25
Q2 25
Q1 25
-0.32×
Q4 24
-0.54×
Q3 24
Q2 24
Q1 24

Financial Flow Comparison

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

Revenue Breakdown by Segment

GRAL
GRAL

Screening Revenue$42.3M97%
Developmental Services Revenue$1.3M3%

SPWR
SPWR

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

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