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Livermore
ZHEN

Qualys, Inc.

QLYS
Exchange
Nasdaq
Industry
Services-Prepackaged Software
SEC CIK
0001107843

In the last 90 days, Qualys, Inc. insiders filed 0 open-market purchases and 15 sales; 436 institutions reported holding it in 13F filings for Q2 2026, worth $5.06B in total; no superinvestor holds it.

Superinvestors holding QLYS, Q2 2026

See all superinvestors

No superinvestor reported holding QLYS in Q2 2026.

Moves by quarter

Superinvestors that opened, added to, trimmed or sold out of QLYS each quarter, comparing shares with the quarter before. A superinvestor that didn't file for a quarter isn't listed, and isn't counted as selling.

  1. Q2 2026

    0 superinvestors holding at quarter end

    Sold out
    Fundsmith

  2. Q1 2026

    1 superinvestor holding at quarter end

    Reduced
    Fundsmith (−65.1%)

  3. Q4 2025

    1 superinvestor holding at quarter end

    Reduced
    Fundsmith (−25.6%)

  4. Q3 2025

    1 superinvestor holding at quarter end

    Added
    Fundsmith (+21.2%)

  5. Q1 2025

    1 superinvestor holding at quarter end

    Added
    Fundsmith (+31.1%)

  6. Q2 2024

    1 superinvestor holding at quarter end

    Reduced
    Fundsmith (−3.0%)
    Sold out
    Maverick Capital

  7. Q1 2024

    2 superinvestors holding at quarter end

    Added
    Maverick Capital (+74.3%)
    Reduced
    Fundsmith (−9.4%)

  8. Q4 2023

    2 superinvestors holding at quarter end

    Added
    Maverick Capital (+5.8%)
    Reduced
    Fundsmith (−4.6%)

  9. Q3 2023

    2 superinvestors holding at quarter end

    Reduced
    Fundsmith (−0.7%), Maverick Capital (−39.1%)

  10. Q2 2023

    2 superinvestors holding at quarter end

    Reduced
    Maverick Capital (−56.9%)

  11. Q1 2023

    2 superinvestors holding at quarter end

    Added
    Maverick Capital (+175.8%)

  12. Q4 2022

    2 superinvestors holding at quarter end

    Added
    Maverick Capital (+67.7%)
    Reduced
    Fundsmith (−0.5%)

  13. Q3 2022

    2 superinvestors holding at quarter end

    New
    Maverick Capital
    Reduced
    Fundsmith (−28.9%)
    Sold out
    ARK Invest

  14. Q2 2022

    2 superinvestors holding at quarter end

    Reduced
    Fundsmith (−0.9%), ARK Invest (−4.5%)

  15. Q1 2022

    2 superinvestors holding at quarter end

    Reduced
    Fundsmith (−12.5%), ARK Invest (−11.3%)

  16. Q4 2021

    2 superinvestors holding at quarter end

    New
    ARK Invest
    Added
    Fundsmith (+0.2%)

  17. Q3 2021

    1 superinvestor holding at quarter end

    Added
    Fundsmith (+0.4%)

  18. Q2 2021

    1 superinvestor holding at quarter end

    Added
    Fundsmith (+0.5%)