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Livermore
Livermore
ZHEN

Citadel Advisors LLC

SEC CIK
0001423053
Latest filing
Sep 1, 2026

QLYS holding history

Qualys, Inc. in every 13F filed by Citadel Advisors LLC, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

QLYS overviewAll 13F holders of QLYSFull Q2 2026 holdings

Shares (Q2 2026)
378,139
Value
$52.0M
% of portfolio
<0.1%
Quarters held
21
Since Q1 2021
Holdings of QLYS by Citadel Advisors LLC, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 2026378,139$52.0M<0.1%+174,609+85.8%AddedHolders
Q1 2026203,530$17.9M<0.1%+160,326+371.1%AddedHolders
Q4 202543,204$5.74M<0.1%−29,118−40.3%ReducedHolders
Q3 202572,322$9.57M<0.1%+72,322NewHolders
Q2 20250$00.0%−110,152−100.0%Sold outHolders
Q1 2025110,152$13.9M<0.1%+7,479+7.3%AddedHolders
Q4 2024102,673$14.4M<0.1%−100,927−49.6%ReducedHolders
Q3 2024203,600$26.2M<0.1%+62,555+44.4%AddedHolders
Q2 2024141,045$20.1M<0.1%−39,503−21.9%ReducedHolders
Q1 2024180,548$30.1M<0.1%+149,432+480.2%AddedHolders
Q4 202331,116$6.11M<0.1%+5,710+22.5%AddedHolders
Q3 202325,406$3.88M<0.1%−443−1.7%ReducedHolders
Q2 202325,849$3.34M<0.1%+24,872+2,545.8%AddedHolders
Q1 2023977$127.0K<0.1%−10,809−91.7%ReducedHolders
Q4 202211,786$1.32M<0.1%−34,246−74.4%ReducedHolders
Q3 202246,032$6.42M<0.1%−268,412−85.4%ReducedHolders
Q2 2022314,444$39.7M0.1%+265,008+536.1%AddedHolders
Q1 202249,436$7.04M<0.1%−7,084−12.5%ReducedHolders
Q4 202156,520$7.76M<0.1%+9,907+21.3%AddedHolders
Q3 202146,613$5.19M<0.1%−20,646−30.7%ReducedHolders
Q2 202167,259$6.77M<0.1%+52,050+342.2%AddedHolders
Q1 202115,209$1.59M<0.1%––Holders

Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.