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. PoseyCLO2026-10-20244$189.52
$46.24kSell
Bruce K. PoseyCLO2026-10-20449$190.49
$85.53kSell
Bruce K. PoseyCLO2026-10-2062$191.26
$11.86kSell
Bruce K. PoseyCLO2026-10-2035$187.25
$6.55kSell
Bruce K. PoseyCLO2026-10-2084$184.34
$15.48kSell
Bruce K. PoseyCLO2026-10-207$185.31
$1.30kSell
Sumedh S. ThakarCEO;Pres2026-10-14400$189.99
$75.99kSell
Sumedh S. ThakarCEO;Pres2026-10-14400$188.03
$75.21kSell
Sumedh S. ThakarCEO;Pres2026-10-14400$194.30
$77.72kSell
Sumedh S. ThakarCEO;Pres2026-10-14500$192.84
$96.42kSell

1 of 19

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
Philippe F. Courtot15.19%5,256,645$1.17BInsider
Courtot Family Trust Philippe11.13%3,850,339$860.63MInsider
Aos Partners LP7.25%2,509,717$560.97MInsider
Yves Sisteron7.25%2,509,717$560.97MInsider
Sumedh S. Thakar0.51%177,138$39.59MInsider
Melissa B. Fisher0.50%171,633$38.36MInsider
Donald R. Dixon0.26%90,816$20.30MInsider
Joo Mi Kim0.22%74,713$16.70MInsider
Howard A. Schmidt0.18%63,861$14.27MInsider
Donald C. McCauley0.17%60,000$13.41MInsider

1 of 3

QLYS vs Software Infrastructure Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
QLYS0.11%43.74%Net SellingNet Selling
DBX0.08%9.45%Net SellingNet Selling
PATH0.06%99.94%Net SellingNet Selling
S0.08%4.06%Net SellingNet Selling
DOX0.10%1.25%Net Selling

Qualys Stock Ownership FAQ

Who owns Qualys?

Qualys (NASDAQ: QLYS) is owned by 0.11% institutional shareholders, 43.74% Qualys insiders, and 56.15% retail investors. Philippe F. Courtot is the largest individual Qualys shareholder, owning 5.26M shares representing 15.19% of the company. Philippe F. Courtot's Qualys shares are currently valued at $1.21B.

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.