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 13F filings (Q1 2026). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions among tracked filers. Notable filers include Fundsmith, Third Avenue Management, Renaissance Technologies LLC, Alapocas Investment Partners, and Torray Fund.

Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q3 2024Polen Capital ManagementSell-5,06420,504$2,633,965
Q3 2024Torray FundSell-13911,225$1,441,964
Q2 2024Renaissance Technologies LLCBuy63,000474,100$67,606,660
Q2 2024FundsmithSell-17,237548,009$78,146,083
Q2 2024Polen Capital ManagementSell-5,06725,568$3,645,964
Q2 2024Torray FundSell-2,08711,364$1,620,506
Q1 2024Renaissance Technologies LLCBuy253,500411,100$68,600
Q1 2024FundsmithSell-58,709565,246$94,322,600
Q1 2024Torray FundBuy4,71313,451$1,483,808
Q1 2024Polen Capital ManagementSell-1,02530,635$5,112,003
Q4 2023Renaissance Technologies LLCBuy34,300157,600$30,934
Q4 2023FundsmithSell-29,940623,955$122,469,887
Q4 2023Polen Capital ManagementSell-27,03231,660$6,214,187
Q4 2023Torray FundBuy498,738$1,715,095
Q3 2023Renaissance Technologies LLCSell-14,300123,300$18,809
Q3 2023FundsmithSell-4,512653,895$99,751,682
Q3 2023Polen Capital ManagementSell-1,27358,692$8,953,519
Q3 2023Torray FundBuy2268,689$1,325,507
Q2 2023Renaissance Technologies LLCSell-31,600137,600$17,774
Q2 2023Polen Capital ManagementSell-2,39759,965$7,745,664
Q2 2023Torray FundBuy678,463$1,093,166
Q1 2023Renaissance Technologies LLCSell-142,500169,200$21,999
Q1 2023Polen Capital ManagementSell-31,88462,362$8,108,436
Q1 2023Torray FundBuy998,396$1,091,648
Q4 2022Renaissance Technologies LLCBuy79,000311,700$34,982
Q4 2022Polen Capital ManagementSell-16,75694,246$10,577,229
Q4 2022FundsmithSell-3,013658,407$73,893,018
Q4 2022Torray FundSell-3318,297$931,172
Q3 2022FundsmithSell-268,786661,420$92,195
Q3 2022Renaissance Technologies LLCBuy46,800232,700$32,436

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.

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