Qualys, Inc. (QLYS) Stock

Qualys, Inc. (QLYS) is a Technology stock trading at $182.04 (as of 2026-08-20), with a market capitalization of $6.30B and a trailing P/E of 30.9. Figures are sourced from first-party U.S. SEC EDGAR filings and market data.

Qualys, Inc. delivers cloud-based IT, security, and compliance solutions through the Qualys Cloud Platform. Its offering includes vulnerability management, detection and response, threat protection, continuous monitoring, patch and policy compliance, and security configuration, web application, certificate, file integrity, and asset inventory capabilities for identifying and addressing security issues across IT assets.

Understand Qualys, Inc.: how it makes money

Qualys provides cloud-based IT security and compliance applications (such as vulnerability management, continuous monitoring, patch management, and policy compliance), sold as subscriptions where customers use the cloud apps to assess and improve security posture.

The profit model is driven by very high software-style gross margin (82.9%), which enables revenue to convert into a much larger operating margin (34.7%).

Business quality (Strong): Qualys is a focused cloud security and compliance software provider, with very high reported gross and operating margins, but investors should watch whether demand for its cloud apps stays durable and whether competition and buyer budget cycles pressure growth or retention.

Valuation: Trades at 22× trailing earnings · $4B market cap.

Bull case

  • High reported profitability: Gross margin is 82.9% and operating margin is 34.7% (period ended 2026-03-31), suggesting strong economics for its cloud security and compliance software.
  • Clear application-led value proposition: The product list under Qualys Cloud Apps includes vulnerability management, detection and response, continuous monitoring, and compliance capabilities, which map directly to common security and compliance needs.

Bear case

  • Revenue momentum risk: If Qualys revenue (and aggregate revenue measures) slow, the company may have less operating leverage despite historically high margins.
  • Competitive and budget pressure: As a cloud IT security and compliance provider, Qualys may face intense competition and customers may adjust security spending in ways that affect demand for its services.
Valuation — source: SEC EDGAR (first-party)
Price$182.04
Market Cap$6.30B
P/E Ratio30.9
EV / EBITDA22.6
Price / Book11.20
Price / Sales8.95
FCF Yield9.0%
DCF Value (model)$226.37
DCF Upside vs Price24.3%
Profitability & Growth — source: SEC EDGAR
Revenue (TTM)$669.13M
Net Margin29.6%
Revenue Growth (YoY)10.1%
EPS Growth (YoY)16.3%
FCF Growth (YoY)31.3%
Financial Health — source: SEC EDGAR
Altman Z-Score8.57 (safe)
Valuation vs Sector & Industry
Stock P/E30.9
Sector P/E (Technology)33.9
Industry P/E (Business Services)30.0
vs Sector-9.0%
vs Industry3.0%
Smart-Money Activity — SEC Form 4 / 13F / Congressional disclosures
Top Institutional HolderVANGUARD GROUP INC ($580.16M)
Institutional Holders Tracked10
Congressional Trades (recent)6
Company
SectorTechnology
IndustryBusiness Services
CEOSumedh S. Thakar
Employees2,443
CountryUS
IPO Date2012-09-28

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QLYS earnings history · QLYS institutional & insider holders · QLYS KPIs & operating metrics · QLYS financials · QLYS investor presentations & press releases · QLYS SEC filings · QLYS peers · Congress trades · Insider trades · Short interest · Stock screener

Data as of 2026-08-20.

Figures sourced from U.S. Securities and Exchange Commission (SEC EDGAR) filings and market data. Not personalized investment advice.