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Simplex Trading, LLC

SEC CIK
0001488542
Latest filing
Aug 12, 2026

IMGN holding history

ImmunoGen, 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.

IMGN overviewAll 13F holders of IMGNFull Q2 2026 holdings

Shares (Q1 2024)
0
Sold out in Q1 2024
Value
$0
% of portfolio
0.0%
Quarters held
11
Since Q2 2021
Holdings of IMGN by Simplex Trading, LLC, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q1 20240$00.0%−211,467−100.0%Sold outHolders
Q4 2023211,467$6.27M0.2%+967+0.5%AddedHolders
Q3 2023210,500$3.34M0.1%−95,478−31.2%ReducedHolders
Q2 2023305,978$5.77M0.2%+186,966+157.1%AddedHolders
Q1 2023119,012$457.0K<0.1%+57,332+93.0%AddedHolders
Q4 202261,680$305.0K<0.1%+17,076+38.3%AddedHolders
Q3 202244,604$213.0K<0.1%−30,772−40.8%ReducedHolders
Q2 202275,376$339.0K<0.1%−40,914−35.2%ReducedHolders
Q1 2022116,290$553.0K<0.1%+33,227+40.0%AddedHolders
Q4 202183,063$616.0K<0.1%+61,163+279.3%AddedHolders
Q3 202121,900$144.0K<0.1%00.0%UnchangedHolders
Q2 202121,900$144.0K<0.1%+21,900NewHolders