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

GLAUKOS Corp is the larger business by last-quarter revenue ($150.6M vs $95.2M, roughly 1.6× Black Stone Minerals, L.P.). Black Stone Minerals, L.P. runs the higher net margin — 75.9% vs 6.2%, a 69.7% gap on every dollar of revenue. On growth, GLAUKOS Corp posted the faster year-over-year revenue change (41.2% vs -8.7%). Over the past eight quarters, GLAUKOS Corp's revenue compounded faster (25.4% CAGR vs -9.7%).

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

Glaukos Corp is a medical technology company focused on ophthalmology, developing and commercializing minimally invasive surgical devices, prescription pharmaceuticals and consumer products for glaucoma, corneal diseases and other eye disorders. It operates primarily across North America, Europe and Asia Pacific, serving hospitals, ophthalmology clinics and patients worldwide.

BSM vs GKOS — Head-to-Head

Bigger by revenue
GKOS
GKOS
1.6× larger
GKOS
$150.6M
$95.2M
BSM
Growing faster (revenue YoY)
GKOS
GKOS
+49.9% gap
GKOS
41.2%
-8.7%
BSM
Higher net margin
BSM
BSM
69.7% more per $
BSM
75.9%
6.2%
GKOS
Faster 2-yr revenue CAGR
GKOS
GKOS
Annualised
GKOS
25.4%
-9.7%
BSM

Income Statement — Q4 FY2025 vs Q1 FY2026

Metric
BSM
BSM
GKOS
GKOS
Revenue
$95.2M
$150.6M
Net Profit
$72.2M
$9.4M
Gross Margin
77.9%
Operating Margin
78.6%
9.0%
Net Margin
75.9%
6.2%
Revenue YoY
-8.7%
41.2%
Net Profit YoY
55.8%
EPS (diluted)

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
GKOS
GKOS
Q1 26
$150.6M
Q4 25
$95.2M
$143.1M
Q3 25
$105.2M
$133.5M
Q2 25
$106.7M
$124.1M
Q1 25
$115.3M
$106.7M
Q4 24
$104.3M
$105.5M
Q3 24
$103.2M
$96.7M
Q2 24
$115.2M
$95.7M
Net Profit
BSM
BSM
GKOS
GKOS
Q1 26
$9.4M
Q4 25
$72.2M
$-133.7M
Q3 25
$91.7M
$-16.2M
Q2 25
$120.0M
$-19.7M
Q1 25
$15.9M
$-18.1M
Q4 24
$46.3M
$-33.6M
Q3 24
$92.7M
$-21.4M
Q2 24
$68.3M
$-50.5M
Gross Margin
BSM
BSM
GKOS
GKOS
Q1 26
77.9%
Q4 25
-1.1%
Q3 25
78.4%
Q2 25
78.3%
Q1 25
77.2%
Q4 24
72.9%
Q3 24
76.6%
Q2 24
76.4%
Operating Margin
BSM
BSM
GKOS
GKOS
Q1 26
9.0%
Q4 25
78.6%
-97.7%
Q3 25
89.5%
-12.3%
Q2 25
-18.3%
Q1 25
14.9%
-19.4%
Q4 24
45.6%
-27.2%
Q3 24
90.2%
-25.5%
Q2 24
59.5%
-31.3%
Net Margin
BSM
BSM
GKOS
GKOS
Q1 26
6.2%
Q4 25
75.9%
-93.4%
Q3 25
87.2%
-12.2%
Q2 25
112.5%
-15.8%
Q1 25
13.8%
-17.0%
Q4 24
44.4%
-31.8%
Q3 24
89.9%
-22.1%
Q2 24
59.3%
-52.8%
EPS (diluted)
BSM
BSM
GKOS
GKOS
Q1 26
Q4 25
$-2.34
Q3 25
$-0.28
Q2 25
$-0.34
Q1 25
$-0.32
Q4 24
$-0.56
Q3 24
$-0.39
Q2 24
$-1.00

Balance Sheet & Financial Strength

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

Metric
BSM
BSM
GKOS
GKOS
Cash + ST InvestmentsLiquidity on hand
$1.5M
$276.7M
Total DebtLower is stronger
Stockholders' EquityBook value
$670.9M
Total Assets
$1.3B
$893.3M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
BSM
BSM
GKOS
GKOS
Q1 26
$276.7M
Q4 25
$1.5M
$90.8M
Q3 25
$2.9M
$98.2M
Q2 25
$2.5M
$100.8M
Q1 25
$2.4M
$114.3M
Q4 24
$2.5M
$169.6M
Q3 24
$21.0M
$100.1M
Q2 24
$26.7M
$68.1M
Stockholders' Equity
BSM
BSM
GKOS
GKOS
Q1 26
$670.9M
Q4 25
$656.2M
Q3 25
$769.5M
Q2 25
$765.1M
Q1 25
$764.0M
Q4 24
$766.9M
Q3 24
$668.5M
Q2 24
$665.2M
Total Assets
BSM
BSM
GKOS
GKOS
Q1 26
$893.3M
Q4 25
$1.3B
$893.5M
Q3 25
$1.3B
$999.4M
Q2 25
$1.3B
$987.0M
Q1 25
$1.2B
$966.2M
Q4 24
$1.2B
$974.8M
Q3 24
$1.2B
$926.5M
Q2 24
$1.2B
$919.7M

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
GKOS
GKOS
Operating Cash FlowLast quarter
$65.1M
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
GKOS
GKOS
Q1 26
Q4 25
$65.1M
$6.8M
Q3 25
$99.8M
$-10.1M
Q2 25
$80.5M
$7.0M
Q1 25
$64.8M
$-18.5M
Q4 24
$91.0M
$507.0K
Q3 24
$93.2M
$-9.6M
Q2 24
$100.4M
$-18.4M
Free Cash Flow
BSM
BSM
GKOS
GKOS
Q1 26
Q4 25
$3.9M
Q3 25
$-11.7M
Q2 25
$5.8M
Q1 25
$-20.5M
Q4 24
$-1.2M
Q3 24
$-11.0M
Q2 24
$-20.5M
FCF Margin
BSM
BSM
GKOS
GKOS
Q1 26
Q4 25
2.7%
Q3 25
-8.8%
Q2 25
4.7%
Q1 25
-19.2%
Q4 24
-1.2%
Q3 24
-11.4%
Q2 24
-21.4%
Capex Intensity
BSM
BSM
GKOS
GKOS
Q1 26
Q4 25
2.0%
Q3 25
1.2%
Q2 25
0.9%
Q1 25
1.8%
Q4 24
1.6%
Q3 24
1.5%
Q2 24
2.2%
Cash Conversion
BSM
BSM
GKOS
GKOS
Q1 26
Q4 25
0.90×
Q3 25
1.09×
Q2 25
0.67×
Q1 25
4.07×
Q4 24
1.96×
Q3 24
1.01×
Q2 24
1.47×

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%

GKOS
GKOS

Segment breakdown not available.

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