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Livermore
Livermore
ZHEN

Citadel Advisors LLC

SEC CIK
0001423053
Latest filing
Sep 1, 2026

ACGL holding history

Arch Capital Group Ltd. 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.

ACGL overviewAll 13F holders of ACGLFull Q2 2026 holdings

Shares (Q2 2026)
272,262
Value
$26.4M
% of portfolio
<0.1%
Quarters held
21
Since Q1 2021
Holdings of ACGL by Citadel Advisors LLC, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 2026272,262$26.4M<0.1%+173,097+174.6%AddedHolders
Q1 202699,165$9.52M<0.1%−273,365−73.4%ReducedHolders
Q4 2025372,530$35.7M<0.1%+264,773+245.7%AddedHolders
Q3 2025107,757$9.78M<0.1%−574,733−84.2%ReducedHolders
Q2 2025682,490$62.1M0.1%+493,005+260.2%AddedHolders
Q1 2025189,485$18.2M<0.1%−143,543−43.1%ReducedHolders
Q4 2024333,028$30.8M<0.1%+176,818+113.2%AddedHolders
Q3 2024156,210$17.5M<0.1%+156,210NewHolders
Q2 20240$00.0%−1,495,864−100.0%Sold outHolders
Q1 20241,495,864$138.3M0.1%+1,456,188+3,670.2%AddedHolders
Q4 202339,676$2.95M<0.1%−4,300−9.8%ReducedHolders
Q3 202343,976$3.51M<0.1%+42,500+2,879.4%AddedHolders
Q2 20231,476$110.5K<0.1%−418,884−99.6%ReducedHolders
Q1 2023420,360$28.5M<0.1%−504,584−54.6%ReducedHolders
Q4 2022924,944$58.1M0.1%+807,350+686.6%AddedHolders
Q3 2022117,594$5.36M<0.1%−227,631−65.9%ReducedHolders
Q2 2022345,225$15.7M<0.1%+211,486+158.1%AddedHolders
Q1 2022133,739$6.48M<0.1%+104,016+350.0%AddedHolders
Q4 202129,723$1.32M<0.1%−132,925−81.7%ReducedHolders
Q3 2021162,648$6.21M<0.1%−42,235−20.6%ReducedHolders
Q2 2021204,883$7.98M<0.1%−596,662−74.4%ReducedHolders
Q1 2021801,545$30.8M<0.1%––Holders

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