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Simplex Trading, LLC

SEC CIK
0001488542
Latest filing
Aug 12, 2026

YMAB holding history

Y-mAbs Therapeutics, Inc. 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.

YMAB overviewAll 13F holders of YMABFull Q2 2026 holdings

Shares (Q2 2025)
0
Sold out in Q2 2025
Value
$0
% of portfolio
0.0%
Quarters held
9
Since Q1 2021
Holdings of YMAB by Simplex Trading, LLC, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 20250$00.0%−437−100.0%Sold outHolders
Q1 2025437$1.00K<0.1%−1,346−75.5%ReducedHolders
Q4 20241,783$13.0K<0.1%+1,783NewHolders
Q1 20240$00.0%−1,577−100.0%Sold outHolders
Q4 20231,577$10.0K<0.1%+764+94.0%AddedHolders
Q3 2023813$4.00K<0.1%+765+1,593.8%AddedHolders
Q2 202348$00.0%+48NewHolders
Q4 20220$00.0%−1,880−100.0%Sold outHolders
Q3 20221,880$27.0K<0.1%+1,348+253.4%AddedHolders
Q2 2022532$8.00K<0.1%+232+77.3%AddedHolders
Q1 2022300$3.00K<0.1%+300NewHolders
Q2 20210$00.0%−181−100.0%Sold outHolders
Q1 2021181$5.00K<0.1%––Holders

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