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Side-by-side financial comparison of RHYTHM PHARMACEUTICALS, INC. (RYTM) 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 $57.3M, roughly 1.4× RHYTHM PHARMACEUTICALS, INC.). SunPower Inc. runs the higher net margin — -17.8% vs -83.0%, a 65.2% gap on every dollar of revenue. On growth, RHYTHM PHARMACEUTICALS, INC. posted the faster year-over-year revenue change (36.9% vs -10.1%). Over the past eight quarters, SunPower Inc.'s revenue compounded faster (118.7% CAGR vs 48.5%).

Rhythm Pharmaceuticals is a biopharmaceutical firm focused on developing and commercializing targeted therapies for rare genetic disorders causing severe unmanageable obesity, including POMC deficiency, LEPR deficiency, and Bardet-Biedl syndrome. It serves patients in North America and Europe who lack effective standard treatments for their chronic life-altering conditions.

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...

RYTM vs SPWR — Head-to-Head

Bigger by revenue
SPWR
SPWR
1.4× larger
SPWR
$79.7M
$57.3M
RYTM
Growing faster (revenue YoY)
RYTM
RYTM
+47.0% gap
RYTM
36.9%
-10.1%
SPWR
Higher net margin
SPWR
SPWR
65.2% more per $
SPWR
-17.8%
-83.0%
RYTM
Faster 2-yr revenue CAGR
SPWR
SPWR
Annualised
SPWR
118.7%
48.5%
RYTM

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
RYTM
RYTM
SPWR
SPWR
Revenue
$57.3M
$79.7M
Net Profit
$-47.5M
$-14.2M
Gross Margin
91.6%
35.5%
Operating Margin
-82.2%
-27.4%
Net Margin
-83.0%
-17.8%
Revenue YoY
36.9%
-10.1%
Net Profit YoY
-9.6%
-130.1%
EPS (diluted)
$-0.73
$-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
RYTM
RYTM
SPWR
SPWR
Q4 25
$57.3M
$79.7M
Q3 25
$51.3M
$22.0M
Q2 25
$48.5M
$67.5M
Q1 25
$32.7M
$82.7M
Q4 24
$41.8M
$88.7M
Q3 24
$33.3M
Q2 24
$29.1M
Q1 24
$26.0M
Net Profit
RYTM
RYTM
SPWR
SPWR
Q4 25
$-47.5M
$-14.2M
Q3 25
$-52.9M
$-16.9M
Q2 25
$-46.6M
$-22.4M
Q1 25
$-49.5M
$8.1M
Q4 24
$-43.3M
$47.0M
Q3 24
$-43.6M
Q2 24
$-32.3M
Q1 24
$-141.4M
Gross Margin
RYTM
RYTM
SPWR
SPWR
Q4 25
91.6%
35.5%
Q3 25
89.3%
Q2 25
88.6%
42.6%
Q1 25
88.8%
48.5%
Q4 24
90.9%
46.5%
Q3 24
88.5%
Q2 24
89.9%
Q1 24
89.2%
Operating Margin
RYTM
RYTM
SPWR
SPWR
Q4 25
-82.2%
-27.4%
Q3 25
-102.6%
-15.7%
Q2 25
-93.4%
-4.0%
Q1 25
-143.7%
1.3%
Q4 24
-98.6%
-24.2%
Q3 24
-132.0%
Q2 24
-139.2%
Q1 24
-538.7%
Net Margin
RYTM
RYTM
SPWR
SPWR
Q4 25
-83.0%
-17.8%
Q3 25
-103.1%
-76.9%
Q2 25
-96.1%
-33.2%
Q1 25
-151.4%
9.8%
Q4 24
-103.6%
53.0%
Q3 24
-131.2%
Q2 24
-110.9%
Q1 24
-544.4%
EPS (diluted)
RYTM
RYTM
SPWR
SPWR
Q4 25
$-0.73
$-0.05
Q3 25
$-0.82
$-0.19
Q2 25
$-0.75
$-0.28
Q1 25
$-0.81
$0.00
Q4 24
$-0.71
$0.27
Q3 24
$-0.73
Q2 24
$-0.55
Q1 24
$-2.35

Balance Sheet & Financial Strength

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

Metric
RYTM
RYTM
SPWR
SPWR
Cash + ST InvestmentsLiquidity on hand
$388.9M
$9.6M
Total DebtLower is stronger
$164.8M
Stockholders' EquityBook value
$139.1M
$-90.1M
Total Assets
$480.2M
$241.2M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
RYTM
RYTM
SPWR
SPWR
Q4 25
$388.9M
$9.6M
Q3 25
$416.1M
$5.1M
Q2 25
$291.0M
$11.1M
Q1 25
$314.5M
$10.6M
Q4 24
$320.6M
$13.4M
Q3 24
$298.4M
Q2 24
$319.1M
Q1 24
$201.2M
Total Debt
RYTM
RYTM
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
RYTM
RYTM
SPWR
SPWR
Q4 25
$139.1M
$-90.1M
Q3 25
$148.8M
$-112.3M
Q2 25
$-11.9M
$-107.2M
Q1 25
$18.9M
$-89.0M
Q4 24
$21.7M
$-97.5M
Q3 24
$11.2M
Q2 24
$39.3M
Q1 24
$61.6M
Total Assets
RYTM
RYTM
SPWR
SPWR
Q4 25
$480.2M
$241.2M
Q3 25
$506.9M
$208.3M
Q2 25
$372.7M
$163.1M
Q1 25
$386.7M
$147.8M
Q4 24
$392.3M
$144.5M
Q3 24
$363.6M
Q2 24
$381.8M
Q1 24
$258.7M

Cash Flow & Capital Efficiency

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

Metric
RYTM
RYTM
SPWR
SPWR
Operating Cash FlowLast quarter
$-25.4M
$-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
RYTM
RYTM
SPWR
SPWR
Q4 25
$-25.4M
$-1.9M
Q3 25
$-26.6M
$-6.4M
Q2 25
$-23.3M
$-4.4M
Q1 25
$-40.4M
$-2.6M
Q4 24
$-18.8M
$-25.6M
Q3 24
$-25.2M
Q2 24
$-29.1M
Q1 24
$-40.7M
Cash Conversion
RYTM
RYTM
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

RYTM
RYTM

Segment breakdown not available.

SPWR
SPWR

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

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