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Side-by-side financial comparison of GLAUKOS Corp (GKOS) and SI-BONE, Inc. (SIBN). Click either name above to swap in a different company.

GLAUKOS Corp is the larger business by last-quarter revenue ($143.1M vs $56.3M, roughly 2.5× SI-BONE, Inc.). SI-BONE, Inc. runs the higher net margin — -2.9% vs -93.4%, a 90.5% gap on every dollar of revenue. On growth, GLAUKOS Corp posted the faster year-over-year revenue change (35.7% vs 15.0%). GLAUKOS Corp produced more free cash flow last quarter ($3.9M vs $440.0K). Over the past eight quarters, GLAUKOS Corp's revenue compounded faster (29.3% CAGR vs 22.0%).

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.

Bone Clones, Inc. manufactures, distributes, and sells osteological reproductions of human and animal bones. Located in Chatsworth, California, Bone Clones provides these reproductions to museums, universities, medical schools, and other educational institutions.

GKOS vs SIBN — Head-to-Head

Bigger by revenue
GKOS
GKOS
2.5× larger
GKOS
$143.1M
$56.3M
SIBN
Growing faster (revenue YoY)
GKOS
GKOS
+20.7% gap
GKOS
35.7%
15.0%
SIBN
Higher net margin
SIBN
SIBN
90.5% more per $
SIBN
-2.9%
-93.4%
GKOS
More free cash flow
GKOS
GKOS
$3.5M more FCF
GKOS
$3.9M
$440.0K
SIBN
Faster 2-yr revenue CAGR
GKOS
GKOS
Annualised
GKOS
29.3%
22.0%
SIBN

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
GKOS
GKOS
SIBN
SIBN
Revenue
$143.1M
$56.3M
Net Profit
$-133.7M
$-1.6M
Gross Margin
-1.1%
79.0%
Operating Margin
-97.7%
-4.4%
Net Margin
-93.4%
-2.9%
Revenue YoY
35.7%
15.0%
Net Profit YoY
-298.0%
63.4%
EPS (diluted)
$-2.34
$-0.04

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
GKOS
GKOS
SIBN
SIBN
Q4 25
$143.1M
$56.3M
Q3 25
$133.5M
$48.7M
Q2 25
$124.1M
$48.6M
Q1 25
$106.7M
$47.3M
Q4 24
$105.5M
$49.0M
Q3 24
$96.7M
$40.3M
Q2 24
$95.7M
$40.0M
Q1 24
$85.6M
$37.9M
Net Profit
GKOS
GKOS
SIBN
SIBN
Q4 25
$-133.7M
$-1.6M
Q3 25
$-16.2M
$-4.6M
Q2 25
$-19.7M
$-6.2M
Q1 25
$-18.1M
$-6.5M
Q4 24
$-33.6M
$-4.5M
Q3 24
$-21.4M
$-6.6M
Q2 24
$-50.5M
$-8.9M
Q1 24
$-40.8M
$-10.9M
Gross Margin
GKOS
GKOS
SIBN
SIBN
Q4 25
-1.1%
79.0%
Q3 25
78.4%
79.8%
Q2 25
78.3%
79.8%
Q1 25
77.2%
79.7%
Q4 24
72.9%
79.1%
Q3 24
76.6%
79.1%
Q2 24
76.4%
79.0%
Q1 24
76.3%
78.9%
Operating Margin
GKOS
GKOS
SIBN
SIBN
Q4 25
-97.7%
-4.4%
Q3 25
-12.3%
-11.1%
Q2 25
-18.3%
-14.4%
Q1 25
-19.4%
-15.8%
Q4 24
-27.2%
-11.2%
Q3 24
-25.5%
-18.9%
Q2 24
-31.3%
-25.2%
Q1 24
-45.6%
-31.8%
Net Margin
GKOS
GKOS
SIBN
SIBN
Q4 25
-93.4%
-2.9%
Q3 25
-12.2%
-9.4%
Q2 25
-15.8%
-12.7%
Q1 25
-17.0%
-13.8%
Q4 24
-31.8%
-9.2%
Q3 24
-22.1%
-16.3%
Q2 24
-52.8%
-22.4%
Q1 24
-47.7%
-28.8%
EPS (diluted)
GKOS
GKOS
SIBN
SIBN
Q4 25
$-2.34
$-0.04
Q3 25
$-0.28
$-0.11
Q2 25
$-0.34
$-0.14
Q1 25
$-0.32
$-0.15
Q4 24
$-0.56
$-0.10
Q3 24
$-0.39
$-0.16
Q2 24
$-1.00
$-0.22
Q1 24
$-0.82
$-0.27

Balance Sheet & Financial Strength

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

Metric
GKOS
GKOS
SIBN
SIBN
Cash + ST InvestmentsLiquidity on hand
$90.8M
$42.2M
Total DebtLower is stronger
$35.6M
Stockholders' EquityBook value
$656.2M
$177.5M
Total Assets
$893.5M
$238.6M
Debt / EquityLower = less leverage
0.20×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
GKOS
GKOS
SIBN
SIBN
Q4 25
$90.8M
$42.2M
Q3 25
$98.2M
$26.5M
Q2 25
$100.8M
$34.1M
Q1 25
$114.3M
$41.2M
Q4 24
$169.6M
$34.9M
Q3 24
$100.1M
$30.2M
Q2 24
$68.1M
$25.6M
Q1 24
$42.5M
$32.0M
Total Debt
GKOS
GKOS
SIBN
SIBN
Q4 25
$35.6M
Q3 25
$35.5M
Q2 25
$35.5M
Q1 25
$35.5M
Q4 24
$35.5M
Q3 24
$36.2M
Q2 24
$36.1M
Q1 24
$36.1M
Stockholders' Equity
GKOS
GKOS
SIBN
SIBN
Q4 25
$656.2M
$177.5M
Q3 25
$769.5M
$172.1M
Q2 25
$765.1M
$170.3M
Q1 25
$764.0M
$167.3M
Q4 24
$766.9M
$167.0M
Q3 24
$668.5M
$165.0M
Q2 24
$665.2M
$164.7M
Q1 24
$450.7M
$165.5M
Total Assets
GKOS
GKOS
SIBN
SIBN
Q4 25
$893.5M
$238.6M
Q3 25
$999.4M
$234.3M
Q2 25
$987.0M
$230.9M
Q1 25
$966.2M
$227.3M
Q4 24
$974.8M
$230.4M
Q3 24
$926.5M
$227.0M
Q2 24
$919.7M
$223.8M
Q1 24
$933.3M
$223.7M
Debt / Equity
GKOS
GKOS
SIBN
SIBN
Q4 25
0.20×
Q3 25
0.21×
Q2 25
0.21×
Q1 25
0.21×
Q4 24
0.21×
Q3 24
0.22×
Q2 24
0.22×
Q1 24
0.22×

Cash Flow & Capital Efficiency

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

Metric
GKOS
GKOS
SIBN
SIBN
Operating Cash FlowLast quarter
$6.8M
$1.7M
Free Cash FlowOCF − Capex
$3.9M
$440.0K
FCF MarginFCF / Revenue
2.7%
0.8%
Capex IntensityCapex / Revenue
2.0%
2.3%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$-22.5M
$-9.1M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
GKOS
GKOS
SIBN
SIBN
Q4 25
$6.8M
$1.7M
Q3 25
$-10.1M
$2.3M
Q2 25
$7.0M
$173.0K
Q1 25
$-18.5M
$-4.9M
Q4 24
$507.0K
$1.2M
Q3 24
$-9.6M
$302.0K
Q2 24
$-18.4M
$-6.3M
Q1 24
$-33.9M
$-7.6M
Free Cash Flow
GKOS
GKOS
SIBN
SIBN
Q4 25
$3.9M
$440.0K
Q3 25
$-11.7M
$-620.0K
Q2 25
$5.8M
$-1.9M
Q1 25
$-20.5M
$-7.0M
Q4 24
$-1.2M
$-1.1M
Q3 24
$-11.0M
$-2.7M
Q2 24
$-20.5M
$-9.4M
Q1 24
$-34.8M
$-9.7M
FCF Margin
GKOS
GKOS
SIBN
SIBN
Q4 25
2.7%
0.8%
Q3 25
-8.8%
-1.3%
Q2 25
4.7%
-4.0%
Q1 25
-19.2%
-14.8%
Q4 24
-1.2%
-2.2%
Q3 24
-11.4%
-6.8%
Q2 24
-21.4%
-23.6%
Q1 24
-40.7%
-25.5%
Capex Intensity
GKOS
GKOS
SIBN
SIBN
Q4 25
2.0%
2.3%
Q3 25
1.2%
6.1%
Q2 25
0.9%
4.3%
Q1 25
1.8%
4.4%
Q4 24
1.6%
4.6%
Q3 24
1.5%
7.5%
Q2 24
2.2%
7.8%
Q1 24
1.1%
5.5%

Financial Flow Comparison

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

Revenue Breakdown by Segment

GKOS
GKOS

Glaucoma$86.4M60%
Other$35.1M25%
Corneal Health$21.6M15%

SIBN
SIBN

US$53.5M95%
Non Us$2.9M5%

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