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Side-by-side financial comparison of SunPower Inc. (SPWR) and UNITED STATES LIME & MINERALS INC (USLM). Click either name above to swap in a different company.

UNITED STATES LIME & MINERALS INC is the larger business by last-quarter revenue ($87.9M vs $79.7M, roughly 1.1× SunPower Inc.). UNITED STATES LIME & MINERALS INC runs the higher net margin — 34.7% vs -17.8%, a 52.5% gap on every dollar of revenue. On growth, UNITED STATES LIME & MINERALS 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 10.8%).

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...

United States Lime & Minerals Inc is a leading US-based natural resources enterprise that produces high-calcium lime, dolomitic lime, limestone and related mineral products. Its core client segments cover infrastructure construction, steel manufacturing, agricultural soil amendment, environmental emission control and industrial processing, serving customers across North America.

SPWR vs USLM — Head-to-Head

Bigger by revenue
USLM
USLM
1.1× larger
USLM
$87.9M
$79.7M
SPWR
Growing faster (revenue YoY)
USLM
USLM
+19.9% gap
USLM
9.8%
-10.1%
SPWR
Higher net margin
USLM
USLM
52.5% more per $
USLM
34.7%
-17.8%
SPWR
Faster 2-yr revenue CAGR
SPWR
SPWR
Annualised
SPWR
118.7%
10.8%
USLM

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
SPWR
SPWR
USLM
USLM
Revenue
$79.7M
$87.9M
Net Profit
$-14.2M
$30.5M
Gross Margin
35.5%
48.0%
Operating Margin
-27.4%
41.0%
Net Margin
-17.8%
34.7%
Revenue YoY
-10.1%
9.8%
Net Profit YoY
-130.1%
13.2%
EPS (diluted)
$-0.05
$1.06

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
SPWR
SPWR
USLM
USLM
Q4 25
$79.7M
$87.9M
Q3 25
$22.0M
$102.0M
Q2 25
$67.5M
$91.5M
Q1 25
$82.7M
$91.3M
Q4 24
$88.7M
$80.1M
Q3 24
$89.4M
Q2 24
$76.5M
Q1 24
$71.7M
Net Profit
SPWR
SPWR
USLM
USLM
Q4 25
$-14.2M
$30.5M
Q3 25
$-16.9M
$38.8M
Q2 25
$-22.4M
$30.8M
Q1 25
$8.1M
$34.1M
Q4 24
$47.0M
$27.0M
Q3 24
$33.4M
Q2 24
$26.1M
Q1 24
$22.4M
Gross Margin
SPWR
SPWR
USLM
USLM
Q4 25
35.5%
48.0%
Q3 25
51.2%
Q2 25
42.6%
45.8%
Q1 25
48.5%
50.6%
Q4 24
46.5%
44.3%
Q3 24
48.2%
Q2 24
45.5%
Q1 24
42.7%
Operating Margin
SPWR
SPWR
USLM
USLM
Q4 25
-27.4%
41.0%
Q3 25
-15.7%
45.3%
Q2 25
-4.0%
39.0%
Q1 25
1.3%
43.7%
Q4 24
-24.2%
38.8%
Q3 24
42.6%
Q2 24
39.1%
Q1 24
35.9%
Net Margin
SPWR
SPWR
USLM
USLM
Q4 25
-17.8%
34.7%
Q3 25
-76.9%
38.0%
Q2 25
-33.2%
33.7%
Q1 25
9.8%
37.4%
Q4 24
53.0%
33.7%
Q3 24
37.3%
Q2 24
34.0%
Q1 24
31.3%
EPS (diluted)
SPWR
SPWR
USLM
USLM
Q4 25
$-0.05
$1.06
Q3 25
$-0.19
$1.35
Q2 25
$-0.28
$1.07
Q1 25
$0.00
$1.19
Q4 24
$0.27
$-2.20
Q3 24
$1.16
Q2 24
$0.91
Q1 24
$3.92

Balance Sheet & Financial Strength

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

Metric
SPWR
SPWR
USLM
USLM
Cash + ST InvestmentsLiquidity on hand
$9.6M
$371.1M
Total DebtLower is stronger
$164.8M
$0
Stockholders' EquityBook value
$-90.1M
$630.8M
Total Assets
$241.2M
$681.0M
Debt / EquityLower = less leverage
0.00×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
SPWR
SPWR
USLM
USLM
Q4 25
$9.6M
$371.1M
Q3 25
$5.1M
$349.5M
Q2 25
$11.1M
$319.9M
Q1 25
$10.6M
$300.6M
Q4 24
$13.4M
$278.0M
Q3 24
$255.0M
Q2 24
$222.5M
Q1 24
$207.0M
Total Debt
SPWR
SPWR
USLM
USLM
Q4 25
$164.8M
$0
Q3 25
$204.3M
$0
Q2 25
$152.9M
$0
Q1 25
$0
Q4 24
$147.3M
$0
Q3 24
$0
Q2 24
$0
Q1 24
$0
Stockholders' Equity
SPWR
SPWR
USLM
USLM
Q4 25
$-90.1M
$630.8M
Q3 25
$-112.3M
$602.3M
Q2 25
$-107.2M
$563.3M
Q1 25
$-89.0M
$532.2M
Q4 24
$-97.5M
$497.7M
Q3 24
$474.2M
Q2 24
$441.1M
Q1 24
$415.3M
Total Assets
SPWR
SPWR
USLM
USLM
Q4 25
$241.2M
$681.0M
Q3 25
$208.3M
$652.8M
Q2 25
$163.1M
$607.4M
Q1 25
$147.8M
$585.3M
Q4 24
$144.5M
$543.2M
Q3 24
$521.8M
Q2 24
$484.2M
Q1 24
$464.0M
Debt / Equity
SPWR
SPWR
USLM
USLM
Q4 25
0.00×
Q3 25
0.00×
Q2 25
0.00×
Q1 25
0.00×
Q4 24
0.00×
Q3 24
0.00×
Q2 24
0.00×
Q1 24
0.00×

Cash Flow & Capital Efficiency

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

Metric
SPWR
SPWR
USLM
USLM
Operating Cash FlowLast quarter
$-1.9M
$45.6M
Free Cash FlowOCF − Capex
$25.7M
FCF MarginFCF / Revenue
29.2%
Capex IntensityCapex / Revenue
22.6%
Cash ConversionOCF / Net Profit
1.49×
TTM Free Cash FlowTrailing 4 quarters
$102.3M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
SPWR
SPWR
USLM
USLM
Q4 25
$-1.9M
$45.6M
Q3 25
$-6.4M
$45.9M
Q2 25
$-4.4M
$34.0M
Q1 25
$-2.6M
$39.4M
Q4 24
$-25.6M
$38.6M
Q3 24
$39.0M
Q2 24
$21.2M
Q1 24
$27.2M
Free Cash Flow
SPWR
SPWR
USLM
USLM
Q4 25
$25.7M
Q3 25
$31.3M
Q2 25
$20.8M
Q1 25
$24.6M
Q4 24
$27.6M
Q3 24
$33.9M
Q2 24
$16.8M
Q1 24
$20.3M
FCF Margin
SPWR
SPWR
USLM
USLM
Q4 25
29.2%
Q3 25
30.7%
Q2 25
22.7%
Q1 25
26.9%
Q4 24
34.4%
Q3 24
37.9%
Q2 24
21.9%
Q1 24
28.4%
Capex Intensity
SPWR
SPWR
USLM
USLM
Q4 25
22.6%
Q3 25
14.4%
Q2 25
14.5%
Q1 25
16.3%
Q4 24
13.8%
Q3 24
5.8%
Q2 24
5.7%
Q1 24
9.5%
Cash Conversion
SPWR
SPWR
USLM
USLM
Q4 25
1.49×
Q3 25
1.18×
Q2 25
1.10×
Q1 25
-0.32×
1.16×
Q4 24
-0.54×
1.43×
Q3 24
1.17×
Q2 24
0.81×
Q1 24
1.21×

Financial Flow Comparison

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

Revenue Breakdown by Segment

SPWR
SPWR

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

USLM
USLM

Segment breakdown not available.

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