QUALYS INC (QLYS) Institutional Ownership Changes & 13F Activity

QUALYS INC (QLYS). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings (Q2 2026). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions in the latest reporting period. Notable filers include Millennium Management Llc, Invesco Ltd., Legal & General Group Plc, Aqr Capital Management Llc, and Portolan Capital Management, Llc.

InstitutionTypeChange in sharesChange Position %SharesReported stock balancePortfolio quarterFiling date
Envestnet Asset Management IncBuy+5,539+2.7%213,213$29.31MQ2 2026Sep 23, 2026
Qrg Capital Management, Inc.Sell-936-36.4%1,632$224.25KQ2 2026Sep 23, 2026
State Street CorpBuy+67,438+4.9%1,456,158$200.21MQ2 2026Sep 22, 2026
Integrated Wealth Concepts LlcBuy+2,704—2,704$371.77KQ2 2026Sep 09, 2026
Manufacturers Life Insurance Company, TheSell-581-1.7%33,435$4.60MQ2 2026Sep 09, 2026
Parkside Financial Bank & TrustBuy+16+15.1%122$16.77KQ2 2026Sep 04, 2026
Citadel Advisors LlcBuy+174,609+85.8%378,139$51.99MQ2 2026Sep 02, 2026
Allianz Asset Management GmbhBuy+21,240—21,240$2.92MQ2 2026Sep 02, 2026
Brown, Lisle/Cummings, Inc.Sell-4-2.7%145$19.94KQ2 2026Sep 02, 2026
Corient Private Wealth LlcBuy+20,175+79.6%45,513$6.26MQ2 2026Aug 27, 2026
California State Teachers Retirement SystemSell-1,210-2.9%41,107$5.65MQ2 2026Aug 24, 2026
Assenagon Asset Management S.A.Buy+2,202+24.2%11,287$1.55MQ2 2026Aug 21, 2026
Mercer Global Advisors IncSell-1,119-13.4%7,231$994.18KQ2 2026Aug 19, 2026
Fulcrum Asset Management LlpBuy+165—165$21.17KQ2 2026Aug 18, 2026
Public Employees Retirement System Of OhioSell-30,771-98.8%372$51.15KQ2 2026Aug 17, 2026
Empowered Funds, LlcSell-20,252-74.0%7,118$978.65KQ2 2026Aug 17, 2026
Jefferies Financial Group Inc.Buy+5,819+40.7%20,100$2.76MQ2 2026Aug 17, 2026
United Capital Financial Advisors, LlcBuy+2,575—2,575$354.04KQ2 2026Aug 17, 2026
Capstone Investment Advisors, LlcSell-1,381-42.8%1,848$254.08KQ2 2026Aug 17, 2026
Transamerica Financial Advisors, LlcBuy+17+566.7%20$2.75KQ2 2026Aug 17, 2026
Millennium Management LlcBuy+527,327+224.0%762,709$104.86MQ2 2026Aug 14, 2026
Invesco Ltd.Buy+423,064—423,064$58.17MQ2 2026Aug 14, 2026
Legal & General Group PlcBuy+407,786+39.6%1,437,373$197.62MQ2 2026Aug 14, 2026
Aqr Capital Management LlcBuy+355,843+34.3%1,394,771$190.60MQ2 2026Aug 14, 2026
Portolan Capital Management, LlcBuy+290,779+121.7%529,807$72.84MQ2 2026Aug 14, 2026
Point72 Asset Management, L.P.Buy+285,895—285,895$39.31MQ2 2026Aug 14, 2026
Alyeska Investment Group, L.P.Sell-271,053-89.0%33,624$4.62MQ2 2026Aug 14, 2026
Tudor Investment Corp Et AlSell-225,760-90.0%25,125$3.45MQ2 2026Aug 14, 2026
Trexquant Investment LpSell-149,162-95.6%6,859$943.04KQ2 2026Aug 14, 2026
Wellington Management Group LlpBuy+141,444—141,444$19.45MQ2 2026Aug 14, 2026
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Frequently asked questions about QLYS activity

  • Which institutional owners are buying QLYS?

    Institutional owners buying QLYS include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.

  • What does "buy" mean in QLYS activity?

    "Buy" means an investor increased their reported position in QLYS compared to the prior reporting period. This reflects growing exposure to QUALYS INC (QLYS) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).

  • Is institutional interest in QLYS increasing?

    Institutional interest in QLYS can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.

QLYS Institutional Ownership Changes and 13F Activity Q2 2026 | InsiderSet