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 2022Polen Capital ManagementBuy12,182111,002$15,473
Q3 2022Torray FundSell-3318,628$1,203
Q2 2022Renaissance Technologies LLCBuy141,300185,900$23,449
Q2 2022Polen Capital ManagementSell-16,04498,820$12,465
Q2 2022FundsmithSell-8,622930,206$117,336
Q2 2022ARK InvestSell-561,197$156
Q2 2022Torray FundBuy408,959$1,130
Q1 2022FundsmithSell-133,995938,828$133,698
Q1 2022Renaissance Technologies LLCBuy31,00044,600$6,351
Q1 2022Polen Capital ManagementBuy15,195114,864$16,358
Q1 2022Torray FundSell-2,2358,919$1,270
Q1 2022ARK InvestSell-1601,253$178
Q4 2021Renaissance Technologies LLCSell-66,10013,600$1,866
Q4 2021Polen Capital ManagementBuy22,18699,669$13,677
Q4 2021Torray FundSell-4,47911,154$1,531
Q4 2021FundsmithBuy2,3101,072,823$147,213
Q4 2021ARK InvestBuy1,4131,413$194
Q3 2021Renaissance Technologies LLCSell-22,20079,700$8,870
Q3 2021Polen Capital ManagementBuy6,55377,483$8,623
Q3 2021FundsmithBuy3,8391,070,513$119,137
Q3 2021Torray FundSell-1,94815,633$1,740
Q2 2021FundsmithBuy5,6081,066,674$107,403
Q2 2021Polen Capital ManagementBuy4,26570,930$7,142
Q2 2021Torray FundBuy2,31017,581$1,770
Q1 2021FundsmithBuy127,2791,061,066$111,178
Q1 2021Polen Capital ManagementBuy13,05866,665$6,985
Q1 2021Torray FundSell-3,82815,271$1,600
Q4 2020Renaissance Technologies LLCSell-229,300101,900$12,419
Q4 2020FundsmithBuy120,067933,787$113,801
Q4 2020Polen Capital ManagementBuy12,12953,607$6,533

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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