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Qualys, Inc.

$173.28 +$42.27 (+32.26%)
NASDAQ · 14 Sep 2026 18:29 UTC
Previous Close
$150.28
Day Range
$153.34$175.6
Year Range
$74.51$201.54
Market Cap
6.1B
AVG Volume
768.83K
Trailing/Forward PE
29.98/20.45
PEG ratio
3.65
Dividend Yield
-
Next Earnings Date
2026-11-03
Primary Exchange
NASDAQUS
Revenue (USD)
0200M400M600M800M2016201720182019202020212022202320242025
QLYS Revenue (USD) by year
PeriodRevenue (USD)
2025669.12M
2024607.57M
2023554.46M
2022489.72M
2021411.17M
2020362.96M
2019321.61M
2018278.89M
2017230.83M
2016197.93M
Net Income (USD)
050M100M150M200M2016201720182019202020212022202320242025
QLYS Net Income (USD) by year
PeriodNet Income (USD)
2025198.32M
2024173.68M
2023151.59M
2022107.99M
202170.96M
202091.57M
201969.34M
201857.3M
201740.44M
201619.22M
Operating Income (USD)
0100M200M300M2016201720182019202020212022202320242025
QLYS Operating Income (USD) by year
PeriodOperating Income (USD)
2025221.95M
2024187.2M
2023163.07M
2022130.55M
202187.68M
202096.65M
201972.25M
201850.36M
201737.24M
201630.11M
EBITDA (USD)
0100M200M300M2016201720182019202020212022202320242025
QLYS EBITDA (USD) by year
PeriodEBITDA (USD)
2025261.32M
2024228.34M
2023205.64M
2022168.32M
2021125.29M
2020134.89M
2019109.46M
201882.62M
201758.33M
201648.77M
Cash Flows (USD)
0100M200M300M400M2016201720182019202020212022202320242025
QLYS Cash Flows (USD) by year
PeriodCash Flows (USD)
2025304.41M
2024231.76M
2023235.82M
2022174.87M
2021174.96M
2020148.55M
2019133.03M
2018102.69M
201769.83M
201644.87M
EPS (USD)
02462016201720182019202020212022202320242025
QLYS EPS (USD) by year
PeriodEPS (USD)
20255.44
20244.65
20234.04
20222.76
20211.79
20202.25
20191.68
20181.37
20171.02
20160.5
Expenses (USD)
0100M200M300M400MR&DSG&ACapex2016201720182019202020212022202320242025
QLYS Expenses (USD) by year
PeriodExpenses (USD)
2025337.39M
2024321.23M
2023292.69M
2022280.37M
2021259.7M
2020218.62M
2019207.41M
2018187.46M
2017179.82M
2016148.59M
Cash & Debt (USD)
0200M400M600MCashLong Term DebtShort Term Debt2016201720182019202020212022202320242025
QLYS Cash & Debt (USD) by year
PeriodCash & Debt (USD)
2025445.94M
2024381.42M
2023425.56M
2022321.33M
2021405.29M
2020356.02M
2019298.89M
2018289.17M
2017288.41M
2016243.86M
Debt ratios
-1.5-1-0.5020182019202020212022202320242025
QLYS Debt ratios by year
PeriodDebt ratios
2025-0.4
2024-0.46
2023-0.63
2022-0.52
2021-0.79
2020-0.78
2019-0.83
2018-1.26
Margins
0%25%50%75%100%2016201720182019202020212022202320242025
QLYS Margins by year
PeriodMargins
202582.85%
202481.65%
202380.61%
202279.01%
202178.25%
202078.17%
201978.38%
201876.27%
201777.65%
201678.54%
Return on Capital
0%20%40%60%2016201720182019202020212022202320242025
QLYS Return on Capital by year
PeriodReturn on Capital
202535.34%
202436.4%
202341.17%
202237.35%
202116.25%
202022.64%
201917.93%
201816.01%
201711.77%
20167.44%
Shares Outstanding
010M20M30M40M2016201720182019202020212022202320242025
QLYS Shares Outstanding by year
PeriodShares Outstanding
202535.82M
202436.57M
202336.84M
202237.78M
202138.89M
202039.17M
201939M
201839.2M
201738.28M
201635.76M
Book Value Per Share (USD)
051015202016201720182019202020212022202320242025
QLYS Book Value Per Share (USD) by year
PeriodBook Value Per Share (USD)
202515.67
202413.05
20239.99
20227.65
202111.23
202010.33
20199.92
20189.13
20178.97
20167.23
Total Assets (USD)
0500M1B1.5B2016201720182019202020212022202320242025
QLYS Total Assets (USD) by year
PeriodTotal Assets (USD)
20251.1B
2024973.54M
2023812.62M
2022700.94M
2021814.56M
2020736.82M
2019675.61M
2018585.68M
2017537.52M
2016407M
Employee Count
01K2K3K2016201720182019202020212022202320242025
QLYS Employee Count by year
PeriodEmployee Count
20252.62K
20242.4K
20232.19K
20222.14K
20211.82K
20201.5K
20191.29K
20181.19K
2017869
2016684
PE Ratio
101520253035med 26.61Dec 24Apr 25Jul 25Oct 25Feb 26May 26Sep 26
QLYS PE Ratio by year
PeriodPE Ratio
Sep 2625.68
Sep 2629.33
Aug 2631.97
Aug 2631.1
Aug 2631.79
Aug 2631.36
Jul 2625.59
Jul 2624.3
Jul 2628.18
Jul 2626.99
Jul 2626.18
Jun 2621.79
Jun 2619.68
Jun 2619.66
Jun 2619.43
May 2619.32
May 2618.1
May 2615.91
May 2616.67
May 2615.99
Apr 2615.23
Apr 2615.02
Apr 2613.76
Apr 2615.96
Mar 2615.47
Mar 2617.42
Mar 2618.01
Mar 2617.82
Feb 2616.7
Feb 2616.74
Feb 2620.09
Feb 2621.22
Jan 2625.26
Jan 2624.66
Jan 2625.77
Jan 2625.5
Jan 2625.09
Dec 2526.48
Dec 2527.34
Dec 2529.21
Dec 2527.97
Nov 2526.97
Nov 2527.4
Nov 2527.49
Nov 2528.67
Oct 2524.15
Oct 2525.09
Oct 2524.81
Oct 2525.24
Oct 2525.68
Sep 2526.78
Sep 2526.56
Sep 2526.15
Sep 2526.44
Aug 2526.61
Aug 2526.36
Aug 2525.31
Aug 2525.17
Aug 2526.23
Jul 2527.49
Jul 2527.99
Jul 2527.25
Jul 2530.15
Jun 2528.34
Jun 2527.27
Jun 2527.89
Jun 2528.5
May 2527.84
May 2527.03
May 2527.5
May 2526.59
May 2526.95
Apr 2526.69
Apr 2525.4
Apr 2526.13
Apr 2524.97
Mar 2526.78
Mar 2526.93
Mar 2526.61
Mar 2526.81
Feb 2527.68
Feb 2528.68
Feb 2531.03
Feb 2529.26
Jan 2530.09
Jan 2530.9
Jan 2529.57
Jan 2528.93
Jan 2530.71
Dec 2430.18
Dec 2430.38
Dec 2431.85
Dec 2433.54
Nov 2433.16
Nov 2433.11
Nov 2431.41
Nov 2433.24
Nov 2426.04
Oct 2426.21
Oct 2426.66
Free Cash Flow Yield
2%4%6%8%10%12%med 5.15%Dec 24Apr 25Jul 25Oct 25Feb 26May 26Sep 26
QLYS Free Cash Flow Yield by year
PeriodFree Cash Flow Yield
Sep 265.92%
Sep 265.18%
Aug 264.76%
Aug 264.89%
Aug 264.78%
Aug 264.85%
Jul 265.64%
Jul 265.93%
Jul 265.12%
Jul 265.34%
Jul 265.51%
Jun 266.62%
Jun 267.33%
Jun 267.33%
Jun 267.42%
May 267.46%
May 267.97%
May 269.06%
May 268.65%
May 269.6%
Apr 2610.08%
Apr 2610.22%
Apr 2611.15%
Apr 269.62%
Mar 269.92%
Mar 268.81%
Mar 268.52%
Mar 268.61%
Feb 269.19%
Feb 269.17%
Feb 267.14%
Feb 266.76%
Jan 265.68%
Jan 265.82%
Jan 265.57%
Jan 265.63%
Jan 265.72%
Dec 255.42%
Dec 255.25%
Dec 254.91%
Dec 255.13%
Nov 255.32%
Nov 255.24%
Nov 255.22%
Nov 255%
Oct 255.36%
Oct 255.16%
Oct 255.22%
Oct 255.13%
Oct 255.04%
Sep 254.83%
Sep 254.87%
Sep 254.95%
Sep 254.9%
Aug 254.86%
Aug 254.91%
Aug 255.12%
Aug 255.14%
Aug 255.38%
Jul 255.13%
Jul 255.04%
Jul 255.17%
Jul 254.68%
Jun 254.98%
Jun 255.17%
Jun 255.06%
Jun 254.95%
May 255.06%
May 255.22%
May 255.13%
May 255.3%
May 254.95%
Apr 255%
Apr 255.25%
Apr 255.11%
Apr 255.34%
Mar 254.98%
Mar 254.95%
Mar 255.01%
Mar 254.98%
Feb 254.82%
Feb 254.65%
Feb 254.2%
Feb 254.46%
Jan 254.34%
Jan 254.22%
Jan 254.41%
Jan 254.51%
Jan 254.25%
Dec 244.32%
Dec 244.29%
Dec 244.1%
Dec 243.89%
Nov 243.93%
Nov 243.94%
Nov 244.15%
Nov 243.92%
Nov 245.74%
Oct 245.71%
Oct 245.61%
Price to Sales
46810med 7.69Dec 24Apr 25Jul 25Oct 25Feb 26May 26Sep 26
QLYS Price to Sales by year
PeriodPrice to Sales
Sep 267.53
Sep 268.61
Aug 269.38
Aug 269.12
Aug 269.33
Aug 269.2
Jul 267.51
Jul 267.14
Jul 268.28
Jul 267.93
Jul 267.69
Jun 266.4
Jun 265.78
Jun 265.78
Jun 265.71
May 265.67
May 265.31
May 264.67
May 264.89
May 264.74
Apr 264.52
Apr 264.45
Apr 264.08
Apr 264.73
Mar 264.58
Mar 265.16
Mar 265.34
Mar 265.28
Feb 264.95
Feb 264.96
Feb 265.82
Feb 266.15
Jan 267.32
Jan 267.14
Jan 267.46
Jan 267.39
Jan 267.27
Dec 257.67
Dec 257.92
Dec 258.46
Dec 258.1
Nov 257.81
Nov 257.94
Nov 257.96
Nov 258.3
Oct 257.01
Oct 257.29
Oct 257.2
Oct 257.33
Oct 257.46
Sep 257.78
Sep 257.71
Sep 257.6
Sep 257.68
Aug 257.73
Aug 257.66
Aug 257.35
Aug 257.31
Aug 257.66
Jul 258.03
Jul 258.17
Jul 257.95
Jul 258.8
Jun 258.27
Jun 257.96
Jun 258.14
Jun 258.32
May 258.13
May 257.89
May 258.03
May 257.76
May 257.7
Apr 257.63
Apr 257.26
Apr 257.47
Apr 257.14
Mar 257.65
Mar 257.7
Mar 257.61
Mar 257.66
Feb 257.91
Feb 258.2
Feb 258.91
Feb 258.41
Jan 258.64
Jan 258.87
Jan 258.49
Jan 258.31
Jan 258.82
Dec 248.67
Dec 248.73
Dec 249.15
Dec 249.63
Nov 249.52
Nov 249.51
Nov 249.02
Nov 249.55
Nov 247.65
Oct 247.69
Oct 247.83
EV/EBITDA
510152025med 18.88Dec 24Apr 25Jul 25Oct 25Feb 26May 26Sep 26
QLYS EV/EBITDA by year
PeriodEV/EBITDA
Sep 2618.19
Sep 2620.97
Aug 2622.97
Aug 2622.31
Aug 2622.84
Aug 2622.51
Jul 2617.74
Jul 2616.77
Jul 2619.7
Jul 2618.8
Jul 2618.19
Jun 2614.88
Jun 2613.28
Jun 2613.27
Jun 2613.09
May 2613.01
May 2612.09
May 2610.44
May 2611.01
May 2610.8
Apr 2610.23
Apr 2610.07
Apr 269.11
Apr 2610.78
Mar 2610.4
Mar 2611.89
Mar 2612.33
Mar 2612.19
Feb 2611.34
Feb 2611.37
Feb 2613.65
Feb 2614.5
Jan 2617.54
Jan 2617.09
Jan 2617.92
Jan 2617.72
Jan 2617.41
Dec 2518.46
Dec 2519.1
Dec 2520.5
Dec 2519.58
Nov 2518.82
Nov 2519.14
Nov 2519.21
Nov 2520.1
Oct 2517.31
Oct 2518.04
Oct 2517.82
Oct 2518.15
Oct 2518.49
Sep 2519.34
Sep 2519.17
Sep 2518.85
Sep 2519.08
Aug 2519.21
Aug 2519.02
Aug 2518.2
Aug 2518.1
Aug 2518.5
Jul 2519.47
Jul 2519.86
Jul 2519.28
Jul 2521.52
Jun 2520.12
Jun 2519.3
Jun 2519.77
Jun 2520.25
May 2519.74
May 2519.11
May 2519.48
May 2518.77
May 2519.04
Apr 2518.84
Apr 2517.85
Apr 2518.41
Apr 2517.53
Mar 2518.9
Mar 2519.02
Mar 2518.78
Mar 2518.93
Feb 2519.59
Feb 2520.35
Feb 2522.1
Feb 2520.75
Jan 2521.38
Jan 2521.99
Jan 2520.98
Jan 2520.5
Jan 2521.85
Dec 2421.45
Dec 2421.6
Dec 2422.72
Dec 2424
Nov 2423.71
Nov 2423.67
Nov 2422.39
Nov 2423.78
Nov 2418.48
Oct 2418.61
Oct 2418.96
Price/Operating Cashflow
510152025med 18.5Dec 24Apr 25Jul 25Oct 25Feb 26May 26Sep 26
QLYS Price/Operating Cashflow by year
PeriodPrice/Operating Cashflow
Sep 2616.53
Sep 2618.88
Aug 2620.57
Aug 2620.01
Aug 2620.46
Aug 2620.18
Jul 2617.47
Jul 2616.59
Jul 2619.24
Jul 2618.42
Jul 2617.87
Jun 2614.87
Jun 2613.43
Jun 2613.42
Jun 2613.26
May 2613.19
May 2612.35
May 2610.86
May 2611.38
May 2610.25
Apr 269.76
Apr 269.63
Apr 268.82
Apr 2610.23
Mar 269.91
Mar 2611.17
Mar 2611.54
Mar 2611.42
Feb 2610.71
Feb 2610.73
Feb 2613.5
Feb 2614.26
Jan 2616.97
Jan 2616.57
Jan 2617.32
Jan 2617.13
Jan 2616.86
Dec 2517.8
Dec 2518.37
Dec 2519.63
Dec 2518.8
Nov 2518.13
Nov 2518.41
Nov 2518.48
Nov 2519.27
Oct 2517.72
Oct 2518.41
Oct 2518.2
Oct 2518.52
Oct 2518.85
Sep 2519.65
Sep 2519.49
Sep 2519.19
Sep 2519.4
Aug 2519.53
Aug 2519.35
Aug 2518.57
Aug 2518.47
Aug 2517.75
Jul 2518.6
Jul 2518.94
Jul 2518.44
Jul 2520.41
Jun 2519.18
Jun 2518.46
Jun 2518.87
Jun 2519.29
May 2518.84
May 2518.29
May 2518.61
May 2517.99
May 2519.18
Apr 2518.99
Apr 2518.07
Apr 2518.59
Apr 2517.77
Mar 2519.05
Mar 2519.16
Mar 2518.93
Mar 2519.08
Feb 2519.69
Feb 2520.4
Feb 2522.96
Feb 2521.65
Jan 2522.26
Jan 2522.86
Jan 2521.87
Jan 2521.4
Jan 2522.72
Dec 2422.33
Dec 2422.47
Dec 2423.56
Dec 2424.81
Nov 2424.53
Nov 2424.49
Nov 2423.24
Nov 2424.59
Nov 2416.98
Oct 2417.09
Oct 2417.39
Price to Book
468101214med 9.69Dec 24Apr 25Jul 25Oct 25Feb 26May 26Sep 26
QLYS Price to Book by year
PeriodPrice to Book
Sep 269.43
Sep 2610.78
Aug 2611.74
Aug 2611.42
Aug 2611.68
Aug 2611.52
Jul 269.04
Jul 268.59
Jul 269.96
Jul 269.54
Jul 269.26
Jun 267.7
Jun 266.95
Jun 266.95
Jun 266.87
May 266.83
May 266.4
May 265.62
May 265.89
May 265.65
Apr 265.38
Apr 265.31
Apr 264.86
Apr 265.64
Mar 265.47
Mar 266.16
Mar 266.37
Mar 266.3
Feb 265.9
Feb 265.92
Feb 267.18
Feb 267.58
Jan 269.02
Jan 268.81
Jan 269.21
Jan 269.11
Jan 268.96
Dec 259.46
Dec 259.77
Dec 2510.44
Dec 259.99
Nov 259.64
Nov 259.79
Nov 259.82
Nov 2510.24
Oct 258.79
Oct 259.14
Oct 259.03
Oct 259.19
Oct 259.35
Sep 259.75
Sep 259.67
Sep 259.52
Sep 259.63
Aug 259.69
Aug 259.6
Aug 259.21
Aug 259.16
Aug 259.56
Jul 2510.02
Jul 2510.2
Jul 259.93
Jul 2510.99
Jun 2510.33
Jun 259.94
Jun 2510.16
Jun 2510.39
May 2510.14
May 259.85
May 2510.02
May 259.69
May 259.81
Apr 259.71
Apr 259.24
Apr 259.51
Apr 259.09
Mar 259.75
Mar 259.8
Mar 259.69
Mar 259.76
Feb 2510.08
Feb 2510.44
Feb 2511.75
Feb 2511.09
Jan 2511.4
Jan 2511.7
Jan 2511.2
Jan 2510.96
Jan 2511.63
Dec 2411.43
Dec 2411.51
Dec 2412.06
Dec 2412.7
Nov 2412.56
Nov 2412.54
Nov 2411.9
Nov 2412.59
Nov 2410.38
Oct 2410.45
Oct 2410.63
Qualys, Inc.
QLYS
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News: QLYS

Qualys (QLYS) Could Find a Support Soon, Here's Why You Should Buy the Stock Now

zacks.com · 4 Sep 2026

Qualys (QLYS) Could Find a Support Soon, Here's Why You Should Buy the Stock Now

Qualys (QLYS) appears to have found support after losing some value lately, as indicated by the formation of a hammer chart. In addition to this technical chart pattern, strong agreement among Wall Street analysts in revising earnings estimates higher enhances the stock's potential for a turnaround in the near term.

Why Is Qualys (QLYS) Down 6.8% Since Last Earnings Report?

zacks.com · 3 Sep 2026

Why Is Qualys (QLYS) Down 6.8% Since Last Earnings Report?

Qualys (QLYS) reported earnings 30 days ago. What's next for the stock?

Top AI-Powered Security Stocks Worth Buying Amid Rising Cyber Threats

zacks.com · 1 Sep 2026

Top AI-Powered Security Stocks Worth Buying Amid Rising Cyber Threats

Rising cyber threats and growing AI adoption create long-term growth opportunities for cybersecurity companies with AI-powered platforms.

9,200 Shares in Qualys, Inc. $QLYS Purchased by Canada Pension Plan Investment Board

defenseworld.net · 1 Sep 2026

9,200 Shares in Qualys, Inc. $QLYS Purchased by Canada Pension Plan Investment Board

Canada Pension Plan Investment Board acquired a new position in Qualys, Inc. (NASDAQ: QLYS) in the second quarter, according to its most recent disclosure with the Securities and Exchange Commission. The institutional investor acquired 9,200 shares of the software maker's stock, valued at approximately $1,265,000. Other institutional investors and hedge funds have also

Qualys' Promising Pipeline Could Justify Premium If Growth Accelerates

seekingalpha.com · 29 Aug 2026

Qualys' Promising Pipeline Could Justify Premium If Growth Accelerates

Qualys delivered Q2 2026 results above consensus, maintaining solid revenue growth, expanding margins, and robust cash generation. QLYS benefits from GenAI-driven threat complexity, a healthy pipeline, and the launch of QFlex, supporting improved net dollar retention and customer wallet share. Management raised FY26 revenue guidance by 1.5% and EPS by 3.6%, reflecting confidence in pipeline conversion and operational execution.

Deutsche Bank AG Takes Position in Qualys, Inc. $QLYS

defenseworld.net · 23 Aug 2026

Deutsche Bank AG Takes Position in Qualys, Inc. $QLYS

Deutsche Bank AG purchased a new stake in shares of Qualys, Inc. (NASDAQ: QLYS) in the second quarter, according to its most recent disclosure with the SEC. The firm purchased 92,118 shares of the software maker's stock, valued at approximately $12,665,000. Deutsche Bank AG owned approximately 0.27% of Qualys at the end of

Claude says Mythos 5 now available in Claude Security

https://thefly.com · 21 Aug 2026

Claude says Mythos 5 now available in Claude Security

In a blog update, Claude commented on its efforts to help more teams use frontier capabilities for cyber defense. &quot;Claude Mythos 5 is now available in Claude Security, and coming soon to partners&#039; cyber defense tools. We&#039;re also launching a $35M fund to help secure open-source software and sharing plans to expand our Cyber Verification Program. The riskiest behavior occurs when a user has direct access to a model, where a malicious actor can try to steer it toward harmful uses. But if users can only receive specific outputs, such as a patch for a vulnerability or a security alert, that risk is much lower. The changes we&#039;re announcing give users greater access to the defensive results, while maintaining appropriate guardrails around direct access to the model: Claude Mythos 5 integration into the tools defenders rely on. We&#039;re working with our cybersecurity technology and services partners to integrate Claude Mythos 5 into the products and services defenders already use to secure their software. Claude Security scans can now run on Claude Mythos 5. Customers on Claude Enterprise plans can now run our most capable model in Claude Security, using it to scan their codebases for security vulnerabilities and suggest patches.$35M in credits for open-source security. Our new Defender Advantage Fund will provide $35M in credits to organizations working to patch vulnerabilities in open-source projects, automate parts of the process of scanning and patching open-source software, and experiment with new security approaches. Expanding our Cyber Verification Program. The program already gives vetted defenders reduced safeguards on Opus and Sonnet models. In the coming weeks, we will expand this program to include broader dual-use capabilities on Opus and Sonnet, with Mythos-class access to follow... We will continue to work with government partners, organizations, open-source maintainers, and the broader industry to build the resilient cyber infrastructure today&#039;s highly capable AI models demand.&quot; Publicly traded companies in the space include Check Point (CHKP), CrowdStrike (CRWD), CyberArk (CYBR), F5 (FFIV), Fortinet (FTNT), Gen Digital (GEN), Okta (OKTA), Palo Alto Networks (PANW) and Qualys (QLYS). <a class="reference_link" href="https://claude.com/blog/bringing-claude-mythos-5-to-more-defenders" target="new">Reference Link</a>

Qualys, Inc. (NASDAQ:QLYS) Receives $170.53 Consensus Target Price from Analysts

defenseworld.net · 21 Aug 2026

Qualys, Inc. (NASDAQ:QLYS) Receives $170.53 Consensus Target Price from Analysts

Shares of Qualys, Inc. (NASDAQ: QLYS - Get Free Report) have been given a consensus rating of "Hold" by the seventeen research firms that are presently covering the company, MarketBeat.com reports. One analyst has rated the stock with a sell rating, eleven have assigned a hold rating, three have assigned a buy rating and two have

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