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Side-by-side financial comparison of Black Stone Minerals, L.P. (BSM) and SunPower Inc. (SPWR). Click either name above to swap in a different company.

Black Stone Minerals, L.P. is the larger business by last-quarter revenue ($95.2M vs $79.7M, roughly 1.2× SunPower Inc.). Black Stone Minerals, L.P. runs the higher net margin — 75.9% vs -17.8%, a 93.6% gap on every dollar of revenue. On growth, Black Stone Minerals, L.P. posted the faster year-over-year revenue change (-8.7% vs -10.1%). Over the past eight quarters, SunPower Inc.'s revenue compounded faster (118.7% CAGR vs -9.7%).

Black Stone Minerals, L.P., or Black Stone Minerals, is a Houston, Texas-based oil and natural gas corporation.

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...

BSM vs SPWR — Head-to-Head

Bigger by revenue
BSM
BSM
1.2× larger
BSM
$95.2M
$79.7M
SPWR
Growing faster (revenue YoY)
BSM
BSM
+1.3% gap
BSM
-8.7%
-10.1%
SPWR
Higher net margin
BSM
BSM
93.6% more per $
BSM
75.9%
-17.8%
SPWR
Faster 2-yr revenue CAGR
SPWR
SPWR
Annualised
SPWR
118.7%
-9.7%
BSM

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
BSM
BSM
SPWR
SPWR
Revenue
$95.2M
$79.7M
Net Profit
$72.2M
$-14.2M
Gross Margin
35.5%
Operating Margin
78.6%
-27.4%
Net Margin
75.9%
-17.8%
Revenue YoY
-8.7%
-10.1%
Net Profit YoY
55.8%
-130.1%
EPS (diluted)
$-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
BSM
BSM
SPWR
SPWR
Q4 25
$95.2M
$79.7M
Q3 25
$105.2M
$22.0M
Q2 25
$106.7M
$67.5M
Q1 25
$115.3M
$82.7M
Q4 24
$104.3M
$88.7M
Q3 24
$103.2M
Q2 24
$115.2M
Q1 24
$116.8M
Net Profit
BSM
BSM
SPWR
SPWR
Q4 25
$72.2M
$-14.2M
Q3 25
$91.7M
$-16.9M
Q2 25
$120.0M
$-22.4M
Q1 25
$15.9M
$8.1M
Q4 24
$46.3M
$47.0M
Q3 24
$92.7M
Q2 24
$68.3M
Q1 24
$63.9M
Gross Margin
BSM
BSM
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
BSM
BSM
SPWR
SPWR
Q4 25
78.6%
-27.4%
Q3 25
89.5%
-15.7%
Q2 25
-4.0%
Q1 25
14.9%
1.3%
Q4 24
45.6%
-24.2%
Q3 24
90.2%
Q2 24
59.5%
Q1 24
54.8%
Net Margin
BSM
BSM
SPWR
SPWR
Q4 25
75.9%
-17.8%
Q3 25
87.2%
-76.9%
Q2 25
112.5%
-33.2%
Q1 25
13.8%
9.8%
Q4 24
44.4%
53.0%
Q3 24
89.9%
Q2 24
59.3%
Q1 24
54.7%
EPS (diluted)
BSM
BSM
SPWR
SPWR
Q4 25
$-0.05
Q3 25
$-0.19
Q2 25
$-0.28
Q1 25
$0.00
Q4 24
$0.27
Q3 24
Q2 24
Q1 24

Balance Sheet & Financial Strength

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

Metric
BSM
BSM
SPWR
SPWR
Cash + ST InvestmentsLiquidity on hand
$1.5M
$9.6M
Total DebtLower is stronger
$164.8M
Stockholders' EquityBook value
$-90.1M
Total Assets
$1.3B
$241.2M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
BSM
BSM
SPWR
SPWR
Q4 25
$1.5M
$9.6M
Q3 25
$2.9M
$5.1M
Q2 25
$2.5M
$11.1M
Q1 25
$2.4M
$10.6M
Q4 24
$2.5M
$13.4M
Q3 24
$21.0M
Q2 24
$26.7M
Q1 24
$40.5M
Total Debt
BSM
BSM
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
BSM
BSM
SPWR
SPWR
Q4 25
$-90.1M
Q3 25
$-112.3M
Q2 25
$-107.2M
Q1 25
$-89.0M
Q4 24
$-97.5M
Q3 24
Q2 24
Q1 24
Total Assets
BSM
BSM
SPWR
SPWR
Q4 25
$1.3B
$241.2M
Q3 25
$1.3B
$208.3M
Q2 25
$1.3B
$163.1M
Q1 25
$1.2B
$147.8M
Q4 24
$1.2B
$144.5M
Q3 24
$1.2B
Q2 24
$1.2B
Q1 24
$1.2B

Cash Flow & Capital Efficiency

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

Metric
BSM
BSM
SPWR
SPWR
Operating Cash FlowLast quarter
$65.1M
$-1.9M
Free Cash FlowOCF − Capex
FCF MarginFCF / Revenue
Capex IntensityCapex / Revenue
Cash ConversionOCF / Net Profit
0.90×
TTM Free Cash FlowTrailing 4 quarters

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
BSM
BSM
SPWR
SPWR
Q4 25
$65.1M
$-1.9M
Q3 25
$99.8M
$-6.4M
Q2 25
$80.5M
$-4.4M
Q1 25
$64.8M
$-2.6M
Q4 24
$91.0M
$-25.6M
Q3 24
$93.2M
Q2 24
$100.4M
Q1 24
$104.5M
Cash Conversion
BSM
BSM
SPWR
SPWR
Q4 25
0.90×
Q3 25
1.09×
Q2 25
0.67×
Q1 25
4.07×
-0.32×
Q4 24
1.96×
-0.54×
Q3 24
1.01×
Q2 24
1.47×
Q1 24
1.63×

Financial Flow Comparison

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

Revenue Breakdown by Segment

BSM
BSM

Oil Reserves$46.4M49%
Natural Gas Reserves$44.1M46%
Real Estate$4.7M5%

SPWR
SPWR

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

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