QLYS

QUALYS INC

QLYS·74758T303·US·Common Stock·Technology - Software - Infrastructure-13D/G

QLYS (QUALYS INC) is held by 179 institutional investors as of Q2 2026. Largest holders: BlackRock, Inc. ($792.3M), VANGUARD PORTFOLIO MANAGEMENT LLC ($370.7M), VANGUARD CAPITAL MANAGEMENT LLC ($218.7M). Net institutional sentiment: Mixed. In Q2 2026, 2 members of Congress and 95 funds bought QLYS.

179
Holders
(15 Elite)
$4.4B
Total Value
49% (192)
Consensus
95 buying - 97 selling
13F: Insider & Congress: Updated regularly
QLYS

Smart Money Verdict

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Held by 179 funds
15 elite

Who's Trading

Source dates: Price Sep 18, 2026 · Insiders Sep 15, 2026 · Activists Apr 30, 2026 · Congress Aug 5, 2026

InsiderTSThakar Sumedh SSell $32KSep 14, 2026
InsiderTSThakar Sumedh SSell $17KSep 14, 2026
InsiderTSThakar Sumedh SSell $17KSep 14, 2026
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Top Holders

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Action
Increased
5.8M(+7.5%)$792.3M0.0%+32.90%
34
Increased
2.7M(+6.3%)$370.7M0.0%+85.83%
33
Increased
1.6M(+0.4%)$218.7M0.0%+90.06%
31
Increased
1.5M(+4.9%)$200.2M0.0%-0.53%
32
Increased
1.4M(+39.6%)$197.6M0.0%+49.50%
40
Increased
1.4M(+6.7%)$193.8M0.0%+58.46%
33
Increased
1.4M(+34.3%)$190.6M0.1%+47.67%
39
Increased
1.1M(+13.5%)$155.5M0.1%+43.99%
34
Increased
985,345(+18.3%)$135.5M0.1%+56.10%
35
Decreased
984,889(-2.5%)$135.4M1.0%+42.85%
0
Increased
762,709(+224.0%)$104.9M0.0%+34.55%
48
Decreased
719,248(-5.8%)$98.9M0.0%+45.52%
0
Decreased
620,705(-4.0%)$85.3M0.0%+30.93%
0
Increased
553,737(+26.3%)$76.1M0.1%+33.37%
37
Decreased
548,756$75.4M0.7%+35.80%
0
Increased
543,703(+42.9%)$74.8M0.4%+37.31%
48
Increased
521,489(+75.4%)$71.7M0.1%+38.21%
45
Increased
517,147(+1.3%)$71.1M0.0%+90.54%
30
Increased
514,677(+2.4%)$70.8M0.0%+67.39%
30
Decreased
428,317(-8.2%)$58.9M0.3%+50.58%
0

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QLYSQLYSQUALYS INC

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Data sourced from four public-disclosure sources: SEC 13F, Form 4, 13D/13G, and House/Senate STOCK Act disclosures. Not financial advice. Full disclaimer

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