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Stock comparison · Signal date 2026-11-03

GKOS vs PEN: stock comparison and AI forecast

Glaukos Corp (GKOS) and Penumbra Inc (PEN) compared on price performance, valuation, profitability and the daily AI forecast. · Alpha · vs market

Share
NYSE · Surgical & Medical Instruments & Apparatus

GKOS Glaukos Corp

Price
$238.61 +75.6% · 6M
Market Cap
$14.07B
P/E Ratio
–
Size
large-cap
AI Forecast
Full analysis →
NYSE · Surgical & Medical Instruments & Apparatus

PEN Penumbra Inc

Price
$321.34 -1.0% · 6M
Market Cap
$12.66B
P/E Ratio
80.9x
Size
large-cap
AI Forecast
Full analysis →
Model output

Which one does the AI model favor?

Intratio's model scores both stocks every trading day. Sign in to see their current direction; the exact ratings and forecasts come with a plan or a free follow slot.

6M · 2026-05-04 → 2026-11-03

Six-month price performance

Closing prices rebased to 100 at the start of the window.

75100125150175
GKOS +75.6% PEN -1.0%
GKOS · PEN

Key facts

  • GKOS is 1.1 times larger than PEN by market capitalization ($14.07B against $12.66B).
  • Over the last six months GKOS returned +75.6% and PEN -1.0%.
  • PEN turns 10.1% of its revenue into net income, against -24.6% for GKOS.
  • GKOS carries 0.37 times debt per unit of equity, against 0.28 times for PEN.
  • Both companies share the SEC industry classification Surgical & Medical Instruments & Apparatus.
Fundamentals

Fundamentals side by side

Trailing twelve months.

Valuation & Market

MetricGKOSPEN
Market Cap$14.07B$12.66B
P/E Ratio–80.94x
P/B Ratio19.62x7.99x
EPS$-2.97$3.97
Book Value/Share$12.16$40.20
Revenue/Share$11.70$39.61
FCF/Share$0.61$5.08

Profitability & Margins

MetricGKOSPEN
ROE-23.7%9.9%
ROA-17.3%7.8%
ROIC-20.7%10.6%
Gross Margin81.1%68.0%
Operating Margin-25.5%12.1%
Net Margin-24.6%10.1%
EBT Margin-25.3%13.3%
Tax Rate2.7%24.4%

Financial Health

MetricGKOSPEN
Current Ratio4.57x5.89x
Quick Ratio4.09x3.92x
D/E Ratio0.37x0.28x
Financial Leverage1.37x1.28x
Interest Coverage0.8x–
Working Capital$453M$1.14B

Cash Flow

MetricGKOSPEN
Operating Cash Flow$48M$261M
Free Cash Flow$36M$200M
Capital Spending-$12M-$61M
OCF Growth YoY–28.4%
FCF Growth YoY–31.2%
FCF/Sales5.2%12.8%
CapEx/Sales1.7%3.9%

Operational Efficiency

MetricGKOSPEN
Asset Turnover0.70x0.77x
Receivables Turnover4.6x8.0x
Inventory Turnover2.1x1.1x
Fixed Assets Turnover6.2x10.0x
Days Sales Outstanding79 days46 days
Days Inventory171 days335 days
Payables Period68 days31 days
Cash Conversion Cycle182 days350 days

Income Statement

MetricGKOSPEN
Total Revenue$690M$1.56B
Operating Income-$176M$189M
Net Income-$170M$157M
R&D Expense$170M$95M
SG&A Expense$435M$777M
Cost of Goods Sold$130M$500M

Dividend & Shareholder Information

MetricGKOSPEN
Shares Outstanding59M39M
Net Income Growth–-4.3%
EPS Growth–-11.4%
FAQ

GKOS vs PEN: stock comparison and AI forecast

Which is bigger, GKOS or PEN?

GKOS is 1.1 times larger than PEN by market capitalization ($14.07B against $12.66B).

Which stock performed better over the last six months, GKOS or PEN?

Over the last six months GKOS returned +75.6% and PEN -1.0%.

Which one does Intratio's AI model rank higher, GKOS or PEN?

Intratio's model scores both stocks every trading day. Sign in to see their current direction; the exact ratings and forecasts come with a plan or a free follow slot.

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This analysis is generated automatically using our proprietary AI systems and should not be considered personalized investment advice. Past performance does not guarantee future results. Always conduct your own research and consider consulting a financial advisor before making investment decisions.