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

TransMedics Group, Inc. is the larger business by last-quarter revenue ($160.8M vs $143.1M, roughly 1.1× GLAUKOS Corp). TransMedics Group, Inc. runs the higher net margin — 65.6% vs -93.4%, a 158.9% gap on every dollar of revenue. On growth, GLAUKOS Corp posted the faster year-over-year revenue change (35.7% vs 32.2%). TransMedics Group, Inc. produced more free cash flow last quarter ($19.0M vs $3.9M). Over the past eight quarters, GLAUKOS Corp's revenue compounded faster (29.3% CAGR vs 28.8%).

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.

TransMedics Group, Inc. develops and commercializes innovative medical technologies for organ transplantation. Its flagship Organ Care System keeps donor organs viable during transport, improving transplant outcomes for heart, lung, liver and kidney recipients. It serves transplant centers and organ procurement organizations across North America, Europe and Asia-Pacific.

GKOS vs TMDX — Head-to-Head

Bigger by revenue
TMDX
TMDX
1.1× larger
TMDX
$160.8M
$143.1M
GKOS
Growing faster (revenue YoY)
GKOS
GKOS
+3.5% gap
GKOS
35.7%
32.2%
TMDX
Higher net margin
TMDX
TMDX
158.9% more per $
TMDX
65.6%
-93.4%
GKOS
More free cash flow
TMDX
TMDX
$15.1M more FCF
TMDX
$19.0M
$3.9M
GKOS
Faster 2-yr revenue CAGR
GKOS
GKOS
Annualised
GKOS
29.3%
28.8%
TMDX

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
GKOS
GKOS
TMDX
TMDX
Revenue
$143.1M
$160.8M
Net Profit
$-133.7M
$105.4M
Gross Margin
-1.1%
58.1%
Operating Margin
-97.7%
13.2%
Net Margin
-93.4%
65.6%
Revenue YoY
35.7%
32.2%
Net Profit YoY
-298.0%
1436.9%
EPS (diluted)
$-2.34
$2.59

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
TMDX
TMDX
Q4 25
$143.1M
$160.8M
Q3 25
$133.5M
$143.8M
Q2 25
$124.1M
$157.4M
Q1 25
$106.7M
$143.5M
Q4 24
$105.5M
$121.6M
Q3 24
$96.7M
$108.8M
Q2 24
$95.7M
$114.3M
Q1 24
$85.6M
$96.8M
Net Profit
GKOS
GKOS
TMDX
TMDX
Q4 25
$-133.7M
$105.4M
Q3 25
$-16.2M
$24.3M
Q2 25
$-19.7M
$34.9M
Q1 25
$-18.1M
$25.7M
Q4 24
$-33.6M
$6.9M
Q3 24
$-21.4M
$4.2M
Q2 24
$-50.5M
$12.2M
Q1 24
$-40.8M
$12.2M
Gross Margin
GKOS
GKOS
TMDX
TMDX
Q4 25
-1.1%
58.1%
Q3 25
78.4%
58.8%
Q2 25
78.3%
61.4%
Q1 25
77.2%
61.5%
Q4 24
72.9%
59.2%
Q3 24
76.6%
55.9%
Q2 24
76.4%
60.6%
Q1 24
76.3%
61.9%
Operating Margin
GKOS
GKOS
TMDX
TMDX
Q4 25
-97.7%
13.2%
Q3 25
-12.3%
16.2%
Q2 25
-18.3%
23.2%
Q1 25
-19.4%
19.1%
Q4 24
-27.2%
7.1%
Q3 24
-25.5%
3.6%
Q2 24
-31.3%
10.9%
Q1 24
-45.6%
12.8%
Net Margin
GKOS
GKOS
TMDX
TMDX
Q4 25
-93.4%
65.6%
Q3 25
-12.2%
16.9%
Q2 25
-15.8%
22.2%
Q1 25
-17.0%
17.9%
Q4 24
-31.8%
5.6%
Q3 24
-22.1%
3.9%
Q2 24
-52.8%
10.7%
Q1 24
-47.7%
12.6%
EPS (diluted)
GKOS
GKOS
TMDX
TMDX
Q4 25
$-2.34
$2.59
Q3 25
$-0.28
$0.66
Q2 25
$-0.34
$0.92
Q1 25
$-0.32
$0.70
Q4 24
$-0.56
$0.19
Q3 24
$-0.39
$0.12
Q2 24
$-1.00
$0.35
Q1 24
$-0.82
$0.35

Balance Sheet & Financial Strength

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

Metric
GKOS
GKOS
TMDX
TMDX
Cash + ST InvestmentsLiquidity on hand
$90.8M
Total DebtLower is stronger
Stockholders' EquityBook value
$656.2M
$473.1M
Total Assets
$893.5M
$1.1B
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
GKOS
GKOS
TMDX
TMDX
Q4 25
$90.8M
Q3 25
$98.2M
Q2 25
$100.8M
Q1 25
$114.3M
Q4 24
$169.6M
Q3 24
$100.1M
$330.1M
Q2 24
$68.1M
$362.8M
Q1 24
$42.5M
$350.2M
Stockholders' Equity
GKOS
GKOS
TMDX
TMDX
Q4 25
$656.2M
$473.1M
Q3 25
$769.5M
$355.2M
Q2 25
$765.1M
$318.1M
Q1 25
$764.0M
$266.3M
Q4 24
$766.9M
$228.6M
Q3 24
$668.5M
$209.9M
Q2 24
$665.2M
$189.9M
Q1 24
$450.7M
$159.5M
Total Assets
GKOS
GKOS
TMDX
TMDX
Q4 25
$893.5M
$1.1B
Q3 25
$999.4M
$946.0M
Q2 25
$987.0M
$890.5M
Q1 25
$966.2M
$837.5M
Q4 24
$974.8M
$804.1M
Q3 24
$926.5M
$785.6M
Q2 24
$919.7M
$758.6M
Q1 24
$933.3M
$723.8M

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
TMDX
TMDX
Operating Cash FlowLast quarter
$6.8M
$34.5M
Free Cash FlowOCF − Capex
$3.9M
$19.0M
FCF MarginFCF / Revenue
2.7%
11.8%
Capex IntensityCapex / Revenue
2.0%
9.7%
Cash ConversionOCF / Net Profit
0.33×
TTM Free Cash FlowTrailing 4 quarters
$-22.5M
$133.6M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
GKOS
GKOS
TMDX
TMDX
Q4 25
$6.8M
$34.5M
Q3 25
$-10.1M
$69.6M
Q2 25
$7.0M
$91.6M
Q1 25
$-18.5M
$-2.9M
Q4 24
$507.0K
$19.7M
Q3 24
$-9.6M
$6.9M
Q2 24
$-18.4M
$25.7M
Q1 24
$-33.9M
$-3.4M
Free Cash Flow
GKOS
GKOS
TMDX
TMDX
Q4 25
$3.9M
$19.0M
Q3 25
$-11.7M
$61.9M
Q2 25
$5.8M
$82.5M
Q1 25
$-20.5M
$-29.9M
Q4 24
$-1.2M
$6.1M
Q3 24
$-11.0M
$-41.3M
Q2 24
$-20.5M
$2.0M
Q1 24
$-34.8M
$-47.6M
FCF Margin
GKOS
GKOS
TMDX
TMDX
Q4 25
2.7%
11.8%
Q3 25
-8.8%
43.1%
Q2 25
4.7%
52.4%
Q1 25
-19.2%
-20.8%
Q4 24
-1.2%
5.0%
Q3 24
-11.4%
-38.0%
Q2 24
-21.4%
1.7%
Q1 24
-40.7%
-49.2%
Capex Intensity
GKOS
GKOS
TMDX
TMDX
Q4 25
2.0%
9.7%
Q3 25
1.2%
5.3%
Q2 25
0.9%
5.8%
Q1 25
1.8%
18.8%
Q4 24
1.6%
11.2%
Q3 24
1.5%
44.3%
Q2 24
2.2%
20.8%
Q1 24
1.1%
45.6%
Cash Conversion
GKOS
GKOS
TMDX
TMDX
Q4 25
0.33×
Q3 25
2.86×
Q2 25
2.62×
Q1 25
-0.11×
Q4 24
2.87×
Q3 24
1.63×
Q2 24
2.11×
Q1 24
-0.28×

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%

TMDX
TMDX

Liver Product$127.0M79%
Heart Product$26.0M16%
Other$5.9M4%
Lung Product$1.9M1%

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