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Side-by-side financial comparison of IRONWOOD PHARMACEUTICALS INC (IRWD) 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 $47.7M, roughly 1.7× IRONWOOD PHARMACEUTICALS INC). IRONWOOD PHARMACEUTICALS INC runs the higher net margin — -4.8% vs -17.8%, a 13.0% gap on every dollar of revenue. On growth, SunPower Inc. posted the faster year-over-year revenue change (-10.1% vs -47.3%). Over the past eight quarters, SunPower Inc.'s revenue compounded faster (118.7% CAGR vs -20.2%).

Ironwood Pharmaceuticals, Inc. is a publicly traded pharmaceutical company. It was originally called Microbia, Inc.

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...

IRWD vs SPWR — Head-to-Head

Bigger by revenue
SPWR
SPWR
1.7× larger
SPWR
$79.7M
$47.7M
IRWD
Growing faster (revenue YoY)
SPWR
SPWR
+37.2% gap
SPWR
-10.1%
-47.3%
IRWD
Higher net margin
IRWD
IRWD
13.0% more per $
IRWD
-4.8%
-17.8%
SPWR
Faster 2-yr revenue CAGR
SPWR
SPWR
Annualised
SPWR
118.7%
-20.2%
IRWD

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
IRWD
IRWD
SPWR
SPWR
Revenue
$47.7M
$79.7M
Net Profit
$-2.3M
$-14.2M
Gross Margin
35.5%
Operating Margin
14.3%
-27.4%
Net Margin
-4.8%
-17.8%
Revenue YoY
-47.3%
-10.1%
Net Profit YoY
-200.9%
-130.1%
EPS (diluted)
$0.01
$-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
IRWD
IRWD
SPWR
SPWR
Q4 25
$47.7M
$79.7M
Q3 25
$122.1M
$22.0M
Q2 25
$85.2M
$67.5M
Q1 25
$41.1M
$82.7M
Q4 24
$90.5M
$88.7M
Q3 24
$91.6M
Q2 24
$94.4M
Q1 24
$74.9M
Net Profit
IRWD
IRWD
SPWR
SPWR
Q4 25
$-2.3M
$-14.2M
Q3 25
$40.1M
$-16.9M
Q2 25
$23.6M
$-22.4M
Q1 25
$-37.4M
$8.1M
Q4 24
$2.3M
$47.0M
Q3 24
$3.6M
Q2 24
$-860.0K
Q1 24
$-4.2M
Gross Margin
IRWD
IRWD
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
IRWD
IRWD
SPWR
SPWR
Q4 25
14.3%
-27.4%
Q3 25
61.8%
-15.7%
Q2 25
53.2%
-4.0%
Q1 25
-70.7%
1.3%
Q4 24
34.8%
-24.2%
Q3 24
28.0%
Q2 24
26.5%
Q1 24
14.7%
Net Margin
IRWD
IRWD
SPWR
SPWR
Q4 25
-4.8%
-17.8%
Q3 25
32.8%
-76.9%
Q2 25
27.7%
-33.2%
Q1 25
-90.9%
9.8%
Q4 24
2.5%
53.0%
Q3 24
4.0%
Q2 24
-0.9%
Q1 24
-5.6%
EPS (diluted)
IRWD
IRWD
SPWR
SPWR
Q4 25
$0.01
$-0.05
Q3 25
$0.23
$-0.19
Q2 25
$0.14
$-0.28
Q1 25
$-0.23
$0.00
Q4 24
$0.03
$0.27
Q3 24
$0.02
Q2 24
$-0.01
Q1 24
$-0.03

Balance Sheet & Financial Strength

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

Metric
IRWD
IRWD
SPWR
SPWR
Cash + ST InvestmentsLiquidity on hand
$215.5M
$9.6M
Total DebtLower is stronger
$164.8M
Stockholders' EquityBook value
$-261.8M
$-90.1M
Total Assets
$396.9M
$241.2M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
IRWD
IRWD
SPWR
SPWR
Q4 25
$215.5M
$9.6M
Q3 25
$140.4M
$5.1M
Q2 25
$92.9M
$11.1M
Q1 25
$108.5M
$10.6M
Q4 24
$88.6M
$13.4M
Q3 24
$88.2M
Q2 24
$105.5M
Q1 24
$121.5M
Total Debt
IRWD
IRWD
SPWR
SPWR
Q4 25
$164.8M
Q3 25
$199.5M
$204.3M
Q2 25
$199.3M
$152.9M
Q1 25
$199.2M
Q4 24
$199.0M
$147.3M
Q3 24
$198.8M
Q2 24
$198.6M
Q1 24
$398.3M
Stockholders' Equity
IRWD
IRWD
SPWR
SPWR
Q4 25
$-261.8M
$-90.1M
Q3 25
$-264.2M
$-112.3M
Q2 25
$-308.2M
$-107.2M
Q1 25
$-334.1M
$-89.0M
Q4 24
$-301.3M
$-97.5M
Q3 24
$-311.3M
Q2 24
$-321.7M
Q1 24
$-330.5M
Total Assets
IRWD
IRWD
SPWR
SPWR
Q4 25
$396.9M
$241.2M
Q3 25
$396.1M
$208.3M
Q2 25
$342.9M
$163.1M
Q1 25
$327.2M
$147.8M
Q4 24
$350.9M
$144.5M
Q3 24
$389.5M
Q2 24
$395.6M
Q1 24
$438.8M

Cash Flow & Capital Efficiency

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

Metric
IRWD
IRWD
SPWR
SPWR
Operating Cash FlowLast quarter
$74.6M
$-1.9M
Free Cash FlowOCF − Capex
$74.6M
FCF MarginFCF / Revenue
156.3%
Capex IntensityCapex / Revenue
0.0%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$127.0M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
IRWD
IRWD
SPWR
SPWR
Q4 25
$74.6M
$-1.9M
Q3 25
$47.6M
$-6.4M
Q2 25
$-15.1M
$-4.4M
Q1 25
$20.0M
$-2.6M
Q4 24
$15.2M
$-25.6M
Q3 24
$9.9M
Q2 24
$33.5M
Q1 24
$45.0M
Free Cash Flow
IRWD
IRWD
SPWR
SPWR
Q4 25
$74.6M
Q3 25
$47.6M
Q2 25
$-15.1M
Q1 25
$19.9M
Q4 24
Q3 24
$9.9M
Q2 24
$33.4M
Q1 24
$44.9M
FCF Margin
IRWD
IRWD
SPWR
SPWR
Q4 25
156.3%
Q3 25
39.0%
Q2 25
-17.7%
Q1 25
48.4%
Q4 24
Q3 24
10.8%
Q2 24
35.4%
Q1 24
60.0%
Capex Intensity
IRWD
IRWD
SPWR
SPWR
Q4 25
0.0%
Q3 25
0.0%
Q2 25
0.0%
Q1 25
0.1%
Q4 24
0.0%
Q3 24
0.0%
Q2 24
0.1%
Q1 24
0.1%
Cash Conversion
IRWD
IRWD
SPWR
SPWR
Q4 25
Q3 25
1.19×
Q2 25
-0.64×
Q1 25
-0.32×
Q4 24
6.74×
-0.54×
Q3 24
2.71×
Q2 24
Q1 24

Financial Flow Comparison

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

Revenue Breakdown by Segment

IRWD
IRWD

Segment breakdown not available.

SPWR
SPWR

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

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