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

Proto Labs Inc is the larger business by last-quarter revenue ($139.3M vs $95.2M, roughly 1.5× Black Stone Minerals, L.P.). Black Stone Minerals, L.P. runs the higher net margin — 75.9% vs 5.8%, a 70.1% gap on every dollar of revenue. On growth, Proto Labs Inc posted the faster year-over-year revenue change (10.4% vs -8.7%). Over the past eight quarters, Proto Labs Inc's revenue compounded faster (5.3% CAGR vs -9.7%).

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

Protolabs is a company that provides rapid manufacturing of 3D printed, CNC-machined, sheet metal, and injection-molded custom parts for prototyping and production. Markets like medical devices, aerospace, electronics, appliances, automotive and consumer products use these parts. Protolabs' headquarters are located in Maple Plain, Minnesota, with Minnesota-based manufacturing facilities in Plymouth, Brooklyn Park, and Rosemount, along with additional facilities in Nashua, New Hampshire and Ca...

BSM vs PRLB — Head-to-Head

Bigger by revenue
PRLB
PRLB
1.5× larger
PRLB
$139.3M
$95.2M
BSM
Growing faster (revenue YoY)
PRLB
PRLB
+19.1% gap
PRLB
10.4%
-8.7%
BSM
Higher net margin
BSM
BSM
70.1% more per $
BSM
75.9%
5.8%
PRLB
Faster 2-yr revenue CAGR
PRLB
PRLB
Annualised
PRLB
5.3%
-9.7%
BSM

Income Statement — Q4 FY2025 vs Q1 FY2026

Metric
BSM
BSM
PRLB
PRLB
Revenue
$95.2M
$139.3M
Net Profit
$72.2M
$8.1M
Gross Margin
45.6%
Operating Margin
78.6%
7.1%
Net Margin
75.9%
5.8%
Revenue YoY
-8.7%
10.4%
Net Profit YoY
55.8%
125.4%
EPS (diluted)
$0.29

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
PRLB
PRLB
Q1 26
$139.3M
Q4 25
$95.2M
$136.5M
Q3 25
$105.2M
$135.4M
Q2 25
$106.7M
$135.1M
Q1 25
$115.3M
$126.2M
Q4 24
$104.3M
$121.8M
Q3 24
$103.2M
$125.6M
Q2 24
$115.2M
$125.6M
Net Profit
BSM
BSM
PRLB
PRLB
Q1 26
$8.1M
Q4 25
$72.2M
Q3 25
$91.7M
$7.2M
Q2 25
$120.0M
$4.4M
Q1 25
$15.9M
$3.6M
Q4 24
$46.3M
Q3 24
$92.7M
$7.2M
Q2 24
$68.3M
$4.5M
Gross Margin
BSM
BSM
PRLB
PRLB
Q1 26
45.6%
Q4 25
44.2%
Q3 25
45.3%
Q2 25
44.3%
Q1 25
44.1%
Q4 24
42.7%
Q3 24
45.6%
Q2 24
45.0%
Operating Margin
BSM
BSM
PRLB
PRLB
Q1 26
7.1%
Q4 25
78.6%
5.0%
Q3 25
89.5%
6.5%
Q2 25
3.7%
Q1 25
14.9%
3.6%
Q4 24
45.6%
-1.2%
Q3 24
90.2%
6.8%
Q2 24
59.5%
4.8%
Net Margin
BSM
BSM
PRLB
PRLB
Q1 26
5.8%
Q4 25
75.9%
Q3 25
87.2%
5.3%
Q2 25
112.5%
3.3%
Q1 25
13.8%
2.9%
Q4 24
44.4%
Q3 24
89.9%
5.7%
Q2 24
59.3%
3.6%
EPS (diluted)
BSM
BSM
PRLB
PRLB
Q1 26
$0.29
Q4 25
$0.25
Q3 25
$0.30
Q2 25
$0.18
Q1 25
$0.15
Q4 24
$-0.01
Q3 24
$0.29
Q2 24
$0.18

Balance Sheet & Financial Strength

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

Metric
BSM
BSM
PRLB
PRLB
Cash + ST InvestmentsLiquidity on hand
$1.5M
$124.0M
Total DebtLower is stronger
Stockholders' EquityBook value
$683.1M
Total Assets
$1.3B
$778.6M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
BSM
BSM
PRLB
PRLB
Q1 26
$124.0M
Q4 25
$1.5M
$128.1M
Q3 25
$2.9M
$119.2M
Q2 25
$2.5M
$103.2M
Q1 25
$2.4M
$96.8M
Q4 24
$2.5M
$103.1M
Q3 24
$21.0M
$100.5M
Q2 24
$26.7M
$112.9M
Stockholders' Equity
BSM
BSM
PRLB
PRLB
Q1 26
$683.1M
Q4 25
$673.9M
Q3 25
$664.7M
Q2 25
$664.7M
Q1 25
$656.8M
Q4 24
$670.2M
Q3 24
$680.0M
Q2 24
$685.2M
Total Assets
BSM
BSM
PRLB
PRLB
Q1 26
$778.6M
Q4 25
$1.3B
$763.4M
Q3 25
$1.3B
$756.9M
Q2 25
$1.3B
$743.3M
Q1 25
$1.2B
$737.5M
Q4 24
$1.2B
$743.5M
Q3 24
$1.2B
$753.8M
Q2 24
$1.2B
$758.2M

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
PRLB
PRLB
Operating Cash FlowLast quarter
$65.1M
$17.5M
Free Cash FlowOCF − Capex
FCF MarginFCF / Revenue
Capex IntensityCapex / Revenue
Cash ConversionOCF / Net Profit
0.90×
2.16×
TTM Free Cash FlowTrailing 4 quarters

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
BSM
BSM
PRLB
PRLB
Q1 26
$17.5M
Q4 25
$65.1M
$16.5M
Q3 25
$99.8M
$29.1M
Q2 25
$80.5M
$10.6M
Q1 25
$64.8M
$18.4M
Q4 24
$91.0M
$17.3M
Q3 24
$93.2M
$24.8M
Q2 24
$100.4M
$14.4M
Free Cash Flow
BSM
BSM
PRLB
PRLB
Q1 26
Q4 25
$8.4M
Q3 25
$25.0M
Q2 25
$9.1M
Q1 25
$17.1M
Q4 24
$16.5M
Q3 24
$23.2M
Q2 24
$10.2M
FCF Margin
BSM
BSM
PRLB
PRLB
Q1 26
Q4 25
6.2%
Q3 25
18.5%
Q2 25
6.7%
Q1 25
13.6%
Q4 24
13.5%
Q3 24
18.5%
Q2 24
8.2%
Capex Intensity
BSM
BSM
PRLB
PRLB
Q1 26
Q4 25
5.9%
Q3 25
3.0%
Q2 25
1.1%
Q1 25
1.0%
Q4 24
0.7%
Q3 24
1.2%
Q2 24
3.3%
Cash Conversion
BSM
BSM
PRLB
PRLB
Q1 26
2.16×
Q4 25
0.90×
Q3 25
1.09×
4.03×
Q2 25
0.67×
2.39×
Q1 25
4.07×
5.11×
Q4 24
1.96×
Q3 24
1.01×
3.44×
Q2 24
1.47×
3.18×

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%

PRLB
PRLB

CNC Machining$63.2M45%
Injection Molding$51.1M37%
3D Printing$20.5M15%
Sheet Metal$4.4M3%
Other Revenue$207.0K0%

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