QUALYS, INC.

QLYS
Exchange
Nasdaq
Industry
Services-Prepackaged Software
SEC CIK
0001107843

Price chart

Open-market purchases and sales by QLYS insiders, newest first.

Insider trades
Filed (ET)Trade dateInsiderTransactionSharesAvg priceValueShares afterHolding changeFiling
Sep 22, 20269:12 PM ETSep 21, 2026POSEY BRUCE KCHIEF LEGAL OFFICERSSaleCommon Stock−866$179.4943−$155.44K58.69K−1.5%SEC10b5-1
Sep 15, 20268:21 PM ETSep 14, 2026Thakar Sumedh SCEO & PRESIDENTSSaleCommon Stock−3.2K$170.0475−$544.15K180.34K−1.7%SEC10b5-1
Sep 3, 20264:04 PM ETSep 2, 2026Berquist ThomasDirectorSSaleCommon Stock−511$175.27−$89.56K6.27K−7.5%SEC10b5-1
Sep 3, 20264:03 PM ETSep 2, 2026Kim Joo MiCHIEF FINANCIAL OFFICERSSaleCommon Stock−1.03K$169.6236−$174.71K74.71K−1.4%SEC10b5-1
Aug 21, 20264:09 PM ETAug 20, 2026POSEY BRUCE KCHIEF LEGAL OFFICERSSaleCommon Stock−866$184.2311−$159.54K59.55K−1.4%SEC10b5-1

The largest institutional positions in QLYS at the end of Q2 2026.

Institutions holding QLYS in Q2 2026
InstitutionSharesValue% of portfolioChange in sharesAction
BlackRock, Inc.5,762,721$792.32M0.01%+402,125+7.5%Added
VANGUARD PORTFOLIO MANAGEMENT LLC2,695,941$370.66M0.02%+158,815+6.3%Added
VANGUARD CAPITAL MANAGEMENT LLC1,590,332$218.65M0.00%+5,726+0.4%Added
STATE STREET CORP1,456,158$200.21M0.01%+67,438+4.9%Added
Legal & General Group Plc1,437,373$197.62M0.04%+407,786+39.6%Added