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Side-by-side financial comparison of GLAUKOS Corp (GKOS) and SL GREEN REALTY CORP (SLG). Click either name above to swap in a different company.

SL GREEN REALTY CORP is the larger business by last-quarter revenue ($276.5M vs $150.6M, roughly 1.8× GLAUKOS Corp). GLAUKOS Corp runs the higher net margin — 6.2% vs -36.5%, a 42.7% gap on every dollar of revenue. On growth, GLAUKOS Corp posted the faster year-over-year revenue change (41.2% vs 12.4%). Over the past eight quarters, GLAUKOS Corp's revenue compounded faster (25.4% CAGR vs 21.3%).

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.

SL Green Realty Corp. is a real estate investment trust that primarily invests in office buildings and shopping centers in New York City. As of December 31, 2024, the company owned interests in 39 properties comprising 25,297,353 square feet, primarily in Manhattan. It has been referred to as "New York City’s largest office landlord".

GKOS vs SLG — Head-to-Head

Bigger by revenue
SLG
SLG
1.8× larger
SLG
$276.5M
$150.6M
GKOS
Growing faster (revenue YoY)
GKOS
GKOS
+28.7% gap
GKOS
41.2%
12.4%
SLG
Higher net margin
GKOS
GKOS
42.7% more per $
GKOS
6.2%
-36.5%
SLG
Faster 2-yr revenue CAGR
GKOS
GKOS
Annualised
GKOS
25.4%
21.3%
SLG

Income Statement — Q1 FY2026 vs Q4 FY2025

Metric
GKOS
GKOS
SLG
SLG
Revenue
$150.6M
$276.5M
Net Profit
$9.4M
$-100.8M
Gross Margin
77.9%
Operating Margin
9.0%
64.2%
Net Margin
6.2%
-36.5%
Revenue YoY
41.2%
12.4%
Net Profit YoY
-870.0%
EPS (diluted)
$-1.49

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
SLG
SLG
Q1 26
$150.6M
Q4 25
$143.1M
$276.5M
Q3 25
$133.5M
$244.8M
Q2 25
$124.1M
$241.9M
Q1 25
$106.7M
$239.8M
Q4 24
$105.5M
$245.9M
Q3 24
$96.7M
$229.7M
Q2 24
$95.7M
$222.8M
Net Profit
GKOS
GKOS
SLG
SLG
Q1 26
$9.4M
Q4 25
$-133.7M
$-100.8M
Q3 25
$-16.2M
$28.6M
Q2 25
$-19.7M
$-7.4M
Q1 25
$-18.1M
$-17.3M
Q4 24
$-33.6M
$19.1M
Q3 24
$-21.4M
$-9.5M
Q2 24
$-50.5M
$1.6M
Gross Margin
GKOS
GKOS
SLG
SLG
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
GKOS
GKOS
SLG
SLG
Q1 26
9.0%
Q4 25
-97.7%
64.2%
Q3 25
-12.3%
85.5%
Q2 25
-18.3%
53.4%
Q1 25
-19.4%
56.7%
Q4 24
-27.2%
59.8%
Q3 24
-25.5%
65.1%
Q2 24
-31.3%
79.2%
Net Margin
GKOS
GKOS
SLG
SLG
Q1 26
6.2%
Q4 25
-93.4%
-36.5%
Q3 25
-12.2%
11.7%
Q2 25
-15.8%
-3.0%
Q1 25
-17.0%
-7.2%
Q4 24
-31.8%
7.8%
Q3 24
-22.1%
-4.2%
Q2 24
-52.8%
0.7%
EPS (diluted)
GKOS
GKOS
SLG
SLG
Q1 26
Q4 25
$-2.34
$-1.49
Q3 25
$-0.28
$0.34
Q2 25
$-0.34
$-0.16
Q1 25
$-0.32
$-0.30
Q4 24
$-0.56
$0.13
Q3 24
$-0.39
$-0.21
Q2 24
$-1.00
$-0.04

Balance Sheet & Financial Strength

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

Metric
GKOS
GKOS
SLG
SLG
Cash + ST InvestmentsLiquidity on hand
$276.7M
$155.7M
Total DebtLower is stronger
Stockholders' EquityBook value
$670.9M
$3.7B
Total Assets
$893.3M
$11.1B
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
GKOS
GKOS
SLG
SLG
Q1 26
$276.7M
Q4 25
$90.8M
$155.7M
Q3 25
$98.2M
$187.0M
Q2 25
$100.8M
$182.9M
Q1 25
$114.3M
$180.1M
Q4 24
$169.6M
$184.3M
Q3 24
$100.1M
$188.2M
Q2 24
$68.1M
$199.5M
Stockholders' Equity
GKOS
GKOS
SLG
SLG
Q1 26
$670.9M
Q4 25
$656.2M
$3.7B
Q3 25
$769.5M
$3.8B
Q2 25
$765.1M
$3.8B
Q1 25
$764.0M
$3.8B
Q4 24
$766.9M
$4.0B
Q3 24
$668.5M
$3.6B
Q2 24
$665.2M
$3.7B
Total Assets
GKOS
GKOS
SLG
SLG
Q1 26
$893.3M
Q4 25
$893.5M
$11.1B
Q3 25
$999.4M
$11.1B
Q2 25
$987.0M
$11.3B
Q1 25
$966.2M
$11.4B
Q4 24
$974.8M
$10.5B
Q3 24
$926.5M
$10.2B
Q2 24
$919.7M
$9.5B

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
SLG
SLG
Operating Cash FlowLast quarter
$82.9M
Free Cash FlowOCF − Capex
FCF MarginFCF / Revenue
Capex IntensityCapex / Revenue
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
GKOS
GKOS
SLG
SLG
Q1 26
Q4 25
$6.8M
$82.9M
Q3 25
$-10.1M
$-6.8M
Q2 25
$7.0M
$54.5M
Q1 25
$-18.5M
$6.7M
Q4 24
$507.0K
$129.6M
Q3 24
$-9.6M
$16.7M
Q2 24
$-18.4M
$79.4M
Free Cash Flow
GKOS
GKOS
SLG
SLG
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
GKOS
GKOS
SLG
SLG
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
GKOS
GKOS
SLG
SLG
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
GKOS
GKOS
SLG
SLG
Q1 26
Q4 25
Q3 25
-0.24×
Q2 25
Q1 25
Q4 24
6.77×
Q3 24
Q2 24
50.33×

Financial Flow Comparison

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

Revenue Breakdown by Segment

GKOS
GKOS

Segment breakdown not available.

SLG
SLG

Real Estate Segment$223.1M81%
Other$35.9M13%
Debt And Preferred Equity Segment$17.4M6%

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