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Qualys, Inc. (QLYS)

Qualys, Inc. at a glance — key fundamentals, SEC filings, insider buying and selling, and earnings dates.

Qualys, Inc. (QLYS) is a Software - Infrastructure company based in US with a market capitalization of $3.8B. Revenue grew 10.1% year-over-year and the company generated $304.4M in free cash flow. This page tracks QLYS's SEC filings, insider buying and selling, earnings dates, and key fundamentals in one place.

US · 2.44K employees · IPO Sep 28, 2012

Valuation

Valuation & price

$90.02 · as of May 17, 2026 · -41.5% vs 52w high

16.5

P/E ratio

Latest-FY diluted EPS

6.84

P/B ratio

Market cap ÷ book equity

—

Dividend yield

Price — last 12 months

$153$115$76.68Jul 25Dec 25Jul 26Jul 7, 25$146.94Jul 9, 25$146.01Jul 11, 25$135.61Jul 15, 25$137.71Jul 17, 25$139.55Jul 21, 25$139.51Jul 23, 25$140.34Jul 25, 25$136.81Jul 29, 25$137.43Jul 31, 25$133.07Aug 4, 25$135.82Aug 6, 25$130.33Aug 11, 25$127.89Aug 13, 25$132.18Aug 15, 25$129.15Aug 19, 25$133.10Aug 21, 25$130.62Aug 25, 25$132.49Aug 27, 25$134.66Aug 29, 25$135.81Sep 3, 25$135.88Sep 5, 25$134.95Sep 9, 25$133.11Sep 11, 25$135.65Sep 16, 25$132.20Sep 18, 25$135.78Sep 22, 25$136.39Sep 24, 25$136.15Sep 26, 25$136.66Sep 30, 25$132.33Oct 2, 25$130.78Oct 6, 25$129.60Oct 8, 25$129.23Oct 10, 25$128.81Oct 14, 25$127.64Oct 16, 25$127.56Oct 21, 25$131.84Oct 23, 25$127.90Oct 27, 25$126.07Oct 29, 25$122.56Oct 31, 25$123.26Nov 4, 25$121.21Nov 6, 25$147.02Nov 10, 25$151.99Nov 12, 25$150.05Nov 14, 25$143.57Nov 18, 25$138.55Nov 20, 25$137.90Nov 25, 25$141.79Nov 28, 25$140.85Dec 2, 25$145.81Dec 4, 25$149.63Dec 8, 25$149.76Dec 10, 25$151.75Dec 12, 25$152.53Dec 16, 25$143.57Dec 18, 25$142.95Dec 22, 25$140.96Dec 24, 25$139.54Dec 29, 25$137.34Jan 2, 26$131.01Jan 6, 26$130.04Jan 8, 26$133.36Jan 12, 26$135.21Jan 14, 26$134.03Jan 16, 26$134.57Jan 21, 26$132.50Jan 23, 26$128.79Jan 27, 26$133.00Jan 29, 26$132.12Feb 2, 26$135.00Feb 4, 26$129.18Feb 9, 26$109.15Feb 11, 26$110.28Feb 13, 26$104.91Feb 18, 26$104.39Feb 20, 26$92.66Feb 24, 26$86.83Feb 26, 26$93.68Mar 2, 26$94.59Mar 4, 26$98.08Mar 6, 26$98.66Mar 10, 26$95.38Mar 12, 26$96.99Mar 17, 26$95.08Mar 19, 26$96.59Mar 23, 26$97.34Mar 25, 26$89.90Mar 27, 26$85.63Mar 31, 26$87.85Apr 2, 26$88.36Apr 7, 26$88.24Apr 9, 26$76.68Apr 13, 26$81.40Apr 15, 26$85.17Apr 17, 26$83.17Apr 22, 26$88.71Apr 24, 26$84.34Apr 28, 26$85.70Apr 30, 26$86.93May 4, 26$92.49May 6, 26$90.84May 8, 26$94.28May 12, 26$90.12May 14, 26$86.73May 18, 26$97.98May 20, 26$100.55May 22, 26$102.37May 28, 26$100.37Jun 1, 26$114.02Jun 3, 26$111.61Jun 5, 26$109.90Jun 9, 26$109.71Jun 11, 26$110.83Jun 15, 26$114.65Jun 17, 26$112.18Jun 22, 26$108.51Jun 24, 26$115.34Jun 26, 26$123.27Jul 2, 26$148.12
$76.2052-week range$153.80
Loading valuation history…

Fundamentals

Key fundamentals

$3.8B

Market cap

10.1%

Revenue growth (YoY)

82.8%

Gross margin

$304.4M

Free cash flow (USD)

-$348.7M

Net debt

Net cash position

-1.8%

Share dilution

3/5

Graham criteria passed

Defensive-investor screen

Technology

Sector

Trajectory

Long-term trends

Revenue by year

2016 → 2025

FY 2016$197.9MFY 2017$230.8MFY 2018$278.9MFY 2019$321.6MFY 2020$363.0MFY 2021$411.2MFY 2022$489.7MFY 2023$554.5MFY 2024$607.6MFY 2025$669.1M
$197.9M$669.1M

Free cash flow by year

2016 → 2025

FY 2016$44.9MFY 2017$69.8MFY 2018$102.7MFY 2019$129.0MFY 2020$150.0MFY 2021$175.0MFY 2022$174.9MFY 2023$235.8MFY 2024$231.8MFY 2025$304.4M
$44.9M$304.4M

Gross margin by year

2021 → 2025

FY 202178.3%FY 202279.0%FY 202380.6%FY 202481.7%FY 202582.8%
78.3%82.8%

Value screen

Graham defensive-investor tests

Computing the scorecard — refreshing any stale inputs…

0

Insider buys · 90 days

13

Insider sells · 90 days

Earnings

Last report: 10-Q filed May 5, 2026

Next expected: not yet scheduled

On the tape

Recent SEC & insider activity

  • Insider sellInsider Sell $4.0M · 10b5-1 PlanThakar Sumedh S · Director, CEO & PRESIDENT · $4.1MJul 1, 2026Filing
  • Insider sellInsider Sell $1.3M · 10b5-1 PlanThakar Sumedh S · Director, CEO & PRESIDENT · $1.3MJun 30, 2026Filing
  • Insider sellInsider Sell $1.2M · 10b5-1 PlanThakar Sumedh S · Director, CEO & PRESIDENT · $1.2MJun 29, 2026Filing
  • Insider sellInsider Sell $55K · 10b5-1 PlanPfeiffer Wendy · Director · $55.3KJun 23, 2026Filing
  • Insider sellInsider Sell $95K · 10b5-1 PlanPOSEY BRUCE K · CHIEF LEGAL OFFICER · $94.7KJun 23, 2026Filing
  • Insider sellInsider Sell $367K · 10b5-1 PlanThakar Sumedh S · Director, CEO & PRESIDENT · $367.4KJun 16, 2026Filing
  • Insider sellInsider Sell $103K · 10b5-1 PlanHank Jeffrey P · Director · $103.2KJun 15, 2026Filing
  • Insider sellInsider Sell $104K · 10b5-1 PlanBerquist Thomas · Director · $104KJun 15, 2026Filing
  • 8-K eventEquity Incentive Plan AmendmentJun 11, 2026Filing
  • Insider sellInsider Sell $115K · 10b5-1 PlanKim Joo Mi · CHIEF FINANCIAL OFFICER · $115.1KJun 3, 2026Filing

Questions

Frequently asked questions

What is Qualys, Inc.'s market cap?

Qualys, Inc. (QLYS) has a market capitalization of $3.8B.

What is QLYS's P/E ratio?

QLYS trades at a price-to-earnings ratio of 16.5, based on its latest fiscal-year diluted earnings per share and the most recent cached price.

What is QLYS's price-to-book (P/B) ratio?

QLYS trades at 6.84 times book value per share.

Are insiders buying QLYS stock?

SEC Form 4 filings show no open-market insider buys at Qualys, Inc. in the last 90 days (13 sells).

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Timeline

Every filing, insider trade & earnings on a price-anchored timeline

Filing Analyzer

Search the actual 10-K / 10-Q text with AI research angles

News

Latest press coverage in one feed

Data: SEC EDGAR filings and cached fundamental data; prices and ratios use the most recent cached quote and statements (may lag by up to a day). Educational and research purposes only. Not investment advice.