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

Insider buying vs selling

Have Qualys Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Bruce K. PoseyCLO2026-07-20334$158.06
$52.79kSell
Wendy PfeifferDirector2026-07-20500$158.19
$79.10kSell
Bruce K. PoseyCLO2026-07-2043$160.18
$6.89kSell
Bruce K. PoseyCLO2026-07-20262$159.35
$41.75kSell
Bruce K. PoseyCLO2026-07-20243$156.71
$38.08kSell
Sumedh S. ThakarCEO;Pres2026-07-14100$155.30
$15.53kSell
Sumedh S. ThakarCEO;Pres2026-07-14730$160.82
$117.39kSell
Sumedh S. ThakarCEO;Pres2026-07-14200$162.40
$32.48kSell
Sumedh S. ThakarCEO;Pres2026-07-14200$163.57
$32.71kSell
Sumedh S. ThakarCEO;Pres2026-07-14100$151.53
$15.15kSell

1 of 17

QLYS insiders have sold more... subscribe to Premium to read more.
Net Insider Buy/Sell (L12M) Ownership

Be the first to know when QLYS insiders and whales buy or sell their stock.

QLYS Shareholders

What type of owners hold Qualys Inc stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Blackrock Inc15.22%5,360,596$759.65MInstitution
Philippe F. Courtot14.93%5,256,645$744.92MInsider
Courtot Family Trust Philippe10.93%3,850,339$545.63MInsider
Vanguard Portfolio Management LLC7.20%2,537,126$359.54MInstitution
Aos Partners LP7.13%2,509,717$355.65MInsider
Yves Sisteron7.13%2,509,717$355.65MInsider
Vanguard Capital Management LLC4.50%1,584,606$224.55MInstitution
State Street Corp3.94%1,388,720$196.80MInstitution
Geode Capital Management LLC3.75%1,320,909$187.19MInstitution
Aqr Capital Management LLC2.95%1,038,928$147.23MInstitution

1 of 3

QLYS vs Software Infrastructure Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
QLYS70.92%29.08%Net SellingNet Selling
NTSK36.13%50.08%Net BuyingNet Selling
BB45.21%9.99%Net SellingNet Selling
KVYO52.57%3.75%Net SellingNet Selling
RELY81.88%18.12%Net SellingNet Selling

Qualys Stock Ownership FAQ

Who owns Qualys?

Qualys (NASDAQ: QLYS) is owned by 105.00% institutional shareholders, 43.05% Qualys insiders, and 0.00% retail investors. Philippe F. Courtot is the largest individual Qualys shareholder, owning 5.26M shares representing 14.93% of the company. Philippe F. Courtot's Qualys shares are currently valued at $760.90M.

If you're new to stock investing, here's how to buy Qualys stock.
WallStreetZen does not provide financial advice and does not issue recommendations or offers to buy stock or sell any security.

Information is provided 'as-is' and solely for informational purposes and is not advice. WallStreetZen does not bear any responsibility for any losses or damage that may occur as a result of reliance on this data.