Skip to main content

Simplex Trading, LLC

SEC CIK
0001488542
Latest filing
Aug 12, 2026

ARGX holding history

Argenx SE in every 13F filed by Simplex Trading, 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)
1,696
Value
$1.57M
% of portfolio
<0.1%
Quarters held
12
Since Q2 2021
Holdings of ARGX by Simplex Trading, LLC, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 20261,696$1.57M<0.1%−75−4.2%ReducedHolders
Q1 20261,771$1.29M<0.1%+1,021+136.1%AddedHolders
Q4 2025750$630.7K<0.1%−49−6.1%ReducedHolders
Q3 2025799$589.0K<0.1%−339−29.8%ReducedHolders
Q2 20251,138$627.0K<0.1%+1,138NewHolders
Q4 20240$00.0%−574−100.0%Sold outHolders
Q3 2024574$311.0K<0.1%+574NewHolders
Q2 20240$00.0%−3,520−100.0%Sold outHolders
Q1 20243,520$1.39M<0.1%−926−20.8%ReducedHolders
Q4 20234,446$1.69M0.1%−352−7.3%ReducedHolders
Q3 20234,798$2.36M0.1%+4,798NewHolders
Q2 20230$00.0%−7,239−100.0%Sold outHolders
Q1 20237,239$2.70M0.1%+7,239NewHolders
Q4 20210$00.0%−367−100.0%Sold outHolders
Q3 2021367$111.0K<0.1%00.0%UnchangedHolders
Q2 2021367$110.0K<0.1%+367NewHolders