NASDAQ: QLYS
Qualys Inc Stock Ownership - Who owns Qualys?

Insider buying vs selling

Have Qualys Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Sumedh S. ThakarCEO PRESIDENT2025-10-144,543$126.44
$574.41kSell
Sumedh S. ThakarCEO PRESIDENT2025-10-143,957$127.27
$503.60kSell
Sumedh S. ThakarCEO PRESIDENT2025-10-146,500$25.56
$166.14kBuy
Joo Mi KimCHIEF FINANCIAL OFFICER2025-10-06429$128.89
$55.30kSell
Joo Mi KimCHIEF FINANCIAL OFFICER2025-10-06358$129.50
$46.36kSell
Bruce K. PoseyCHIEF LEGAL OFFICER2025-09-22270$135.94
$36.70kSell
Bruce K. PoseyCHIEF LEGAL OFFICER2025-09-22255$136.44
$34.79kSell
Sumedh S. ThakarCEO PRESIDENT2025-09-155,801$132.22
$767.02kSell
Sumedh S. ThakarCEO PRESIDENT2025-09-152,699$133.07
$359.16kSell
Sumedh S. ThakarCEO PRESIDENT2025-09-156,500$25.56
$166.14kBuy

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Net Insider Buy/Sell (L12M) Ownership

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QLYS Shareholders

What type of owners hold Qualys Inc stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Blackrock Inc15.58%5,623,820$718.56MInstitution
Philippe F. Courtot14.56%5,256,645$671.64MInsider
Vanguard Group Inc11.85%4,277,836$546.58MInstitution
Courtot Family Trust Philippe10.67%3,850,339$491.96MInsider
Yves Sisteron6.95%2,509,717$320.67MInsider
Aos Partners LP6.95%2,509,717$320.67MInsider
State Street Corp3.91%1,411,947$180.40MInstitution
Geode Capital Management LLC3.34%1,203,999$153.83MInstitution
Boston Trust Walden Corp3.15%1,137,864$145.38MInstitution
First Trust Advisors LP3.09%1,115,717$142.56MInstitution

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QLYS vs Software Infrastructure Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
QLYS69.81%30.19%Net SellingNet Selling
DLO34.71%0.00%
BOX94.93%5.07%Net SellingNet Selling
CLBT49.10%0.00%
STNE65.81%0.00%

Qualys Stock Ownership FAQ

Who owns Qualys?

Qualys (NASDAQ: QLYS) is owned by 97.11% institutional shareholders, 42.00% Qualys insiders, and 0.00% retail investors. Philippe F. Courtot is the largest individual Qualys shareholder, owning 5.26M shares representing 14.56% of the company. Philippe F. Courtot's Qualys shares are currently valued at $670.54M.

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