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Livermore
Livermore
ZHEN

Citadel Advisors LLC

SEC CIK
0001423053
Latest filing
Sep 1, 2026

ARGX holding history

Argenx SE 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.

ARGX overviewAll 13F holders of ARGXFull Q2 2026 holdings

Shares (Q2 2026)
212,416
Value
$197.1M
% of portfolio
0.1%
Quarters held
21
Since Q1 2021
Holdings of ARGX by Citadel Advisors LLC, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 2026212,416$197.1M0.1%−6,710−3.1%ReducedHolders
Q1 2026219,126$160.0M0.1%−131,725−37.5%ReducedHolders
Q4 2025350,851$295.0M0.2%−362,708−50.8%ReducedHolders
Q3 2025713,559$526.3M0.4%−152,411−17.6%ReducedHolders
Q2 2025865,970$477.3M0.4%+314,031+56.9%AddedHolders
Q1 2025551,939$326.7M0.3%+37,834+7.4%AddedHolders
Q4 2024514,105$316.2M0.3%−100,821−16.4%ReducedHolders
Q3 2024614,926$333.3M0.3%−38,164−5.8%ReducedHolders
Q2 2024653,090$280.9M0.3%+540,814+481.7%AddedHolders
Q1 2024112,276$44.2M<0.1%−76,083−40.4%ReducedHolders
Q4 2023188,359$71.7M0.1%−247,764−56.8%ReducedHolders
Q3 2023436,123$214.4M0.2%+75,535+20.9%AddedHolders
Q2 2023360,588$140.5M0.2%+333,055+1,209.7%AddedHolders
Q1 202327,533$10.3M<0.1%−95,564−77.6%ReducedHolders
Q4 2022123,097$46.6M0.1%+91,819+293.6%AddedHolders
Q3 202231,278$11.0M<0.1%−54,455−63.5%ReducedHolders
Q2 202285,733$32.5M<0.1%+85,733NewHolders
Q1 20220$00.0%−28,366−100.0%Sold outHolders
Q4 202128,366$9.93M<0.1%+5,865+26.1%AddedHolders
Q3 202122,501$6.79M<0.1%+15,128+205.2%AddedHolders
Q2 20217,373$2.22M<0.1%−47,048−86.5%ReducedHolders
Q1 202154,421$15.0M<0.1%––Holders

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