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Side-by-side financial comparison of Black Stone Minerals, L.P. (BSM) and MARINE PRODUCTS CORP (MPX). 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 $64.6M, roughly 1.5× MARINE PRODUCTS CORP). Black Stone Minerals, L.P. runs the higher net margin — 75.9% vs 3.7%, a 72.2% gap on every dollar of revenue. On growth, MARINE PRODUCTS CORP posted the faster year-over-year revenue change (35.0% vs -8.7%). Over the past eight quarters, MARINE PRODUCTS CORP's revenue compounded faster (-3.5% CAGR vs -9.7%).

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

West Marine is an American company based in Fort Lauderdale, Florida, which operates a chain of boating supply and fishing retail stores. The company has 247 retail stores in North America. West Marine also runs Blue Future a non profit organization. West Marine's flagship store is in Fort Lauderdale. Opened on November 11, 2011, the store is the company's largest at over 50,000 square feet.

BSM vs MPX — Head-to-Head

Bigger by revenue
BSM
BSM
1.5× larger
BSM
$95.2M
$64.6M
MPX
Growing faster (revenue YoY)
MPX
MPX
+43.8% gap
MPX
35.0%
-8.7%
BSM
Higher net margin
BSM
BSM
72.2% more per $
BSM
75.9%
3.7%
MPX
Faster 2-yr revenue CAGR
MPX
MPX
Annualised
MPX
-3.5%
-9.7%
BSM

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
BSM
BSM
MPX
MPX
Revenue
$95.2M
$64.6M
Net Profit
$72.2M
$2.4M
Gross Margin
19.6%
Operating Margin
78.6%
5.8%
Net Margin
75.9%
3.7%
Revenue YoY
-8.7%
35.0%
Net Profit YoY
55.8%
-44.6%
EPS (diluted)
$0.07

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
MPX
MPX
Q4 25
$95.2M
$64.6M
Q3 25
$105.2M
$53.1M
Q2 25
$106.7M
$67.7M
Q1 25
$115.3M
$59.0M
Q4 24
$104.3M
$47.8M
Q3 24
$103.2M
$49.9M
Q2 24
$115.2M
$69.5M
Q1 24
$116.8M
$69.3M
Net Profit
BSM
BSM
MPX
MPX
Q4 25
$72.2M
$2.4M
Q3 25
$91.7M
$2.6M
Q2 25
$120.0M
$4.2M
Q1 25
$15.9M
$2.2M
Q4 24
$46.3M
$4.3M
Q3 24
$92.7M
$3.4M
Q2 24
$68.3M
$5.6M
Q1 24
$63.9M
$4.6M
Gross Margin
BSM
BSM
MPX
MPX
Q4 25
19.6%
Q3 25
19.2%
Q2 25
19.1%
Q1 25
18.6%
Q4 24
19.2%
Q3 24
18.4%
Q2 24
18.9%
Q1 24
20.2%
Operating Margin
BSM
BSM
MPX
MPX
Q4 25
78.6%
5.8%
Q3 25
89.5%
5.4%
Q2 25
7.1%
Q1 25
14.9%
4.4%
Q4 24
45.6%
7.7%
Q3 24
90.2%
7.2%
Q2 24
59.5%
8.3%
Q1 24
54.8%
7.6%
Net Margin
BSM
BSM
MPX
MPX
Q4 25
75.9%
3.7%
Q3 25
87.2%
5.0%
Q2 25
112.5%
6.1%
Q1 25
13.8%
3.7%
Q4 24
44.4%
8.9%
Q3 24
89.9%
6.8%
Q2 24
59.3%
8.0%
Q1 24
54.7%
6.6%
EPS (diluted)
BSM
BSM
MPX
MPX
Q4 25
$0.07
Q3 25
$0.07
Q2 25
$0.12
Q1 25
$0.06
Q4 24
$0.13
Q3 24
$0.10
Q2 24
$0.14
Q1 24
$0.13

Balance Sheet & Financial Strength

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

Metric
BSM
BSM
MPX
MPX
Cash + ST InvestmentsLiquidity on hand
$1.5M
Total DebtLower is stronger
Stockholders' EquityBook value
$125.0M
Total Assets
$1.3B
$147.2M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
BSM
BSM
MPX
MPX
Q4 25
$1.5M
Q3 25
$2.9M
Q2 25
$2.5M
Q1 25
$2.4M
Q4 24
$2.5M
Q3 24
$21.0M
Q2 24
$26.7M
Q1 24
$40.5M
Stockholders' Equity
BSM
BSM
MPX
MPX
Q4 25
$125.0M
Q3 25
$126.3M
Q2 25
$127.2M
Q1 25
$126.4M
Q4 24
$129.0M
Q3 24
$128.8M
Q2 24
$129.3M
Q1 24
$151.4M
Total Assets
BSM
BSM
MPX
MPX
Q4 25
$1.3B
$147.2M
Q3 25
$1.3B
$179.5M
Q2 25
$1.3B
$173.2M
Q1 25
$1.2B
$182.9M
Q4 24
$1.2B
$171.2M
Q3 24
$1.2B
$176.3M
Q2 24
$1.2B
$175.7M
Q1 24
$1.2B
$204.0M

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
MPX
MPX
Operating Cash FlowLast quarter
$65.1M
$4.7M
Free Cash FlowOCF − Capex
$4.1M
FCF MarginFCF / Revenue
6.4%
Capex IntensityCapex / Revenue
0.9%
Cash ConversionOCF / Net Profit
0.90×
2.00×
TTM Free Cash FlowTrailing 4 quarters
$14.9M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
BSM
BSM
MPX
MPX
Q4 25
$65.1M
$4.7M
Q3 25
$99.8M
$2.6M
Q2 25
$80.5M
$-1.6M
Q1 25
$64.8M
$10.8M
Q4 24
$91.0M
$4.6M
Q3 24
$93.2M
$5.1M
Q2 24
$100.4M
$3.8M
Q1 24
$104.5M
$15.9M
Free Cash Flow
BSM
BSM
MPX
MPX
Q4 25
$4.1M
Q3 25
$2.1M
Q2 25
$-2.0M
Q1 25
$10.7M
Q4 24
$3.6M
Q3 24
$3.2M
Q2 24
$3.0M
Q1 24
$15.0M
FCF Margin
BSM
BSM
MPX
MPX
Q4 25
6.4%
Q3 25
4.0%
Q2 25
-3.0%
Q1 25
18.1%
Q4 24
7.6%
Q3 24
6.5%
Q2 24
4.4%
Q1 24
21.7%
Capex Intensity
BSM
BSM
MPX
MPX
Q4 25
0.9%
Q3 25
0.8%
Q2 25
0.6%
Q1 25
0.2%
Q4 24
2.1%
Q3 24
3.8%
Q2 24
1.1%
Q1 24
1.3%
Cash Conversion
BSM
BSM
MPX
MPX
Q4 25
0.90×
2.00×
Q3 25
1.09×
0.97×
Q2 25
0.67×
-0.39×
Q1 25
4.07×
4.88×
Q4 24
1.96×
1.09×
Q3 24
1.01×
1.51×
Q2 24
1.47×
0.68×
Q1 24
1.63×
3.46×

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%

MPX
MPX

Boats And Accessories$63.4M98%
Parts$1.1M2%

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