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UBS Oconnor LLC

SEC CIK
0001132716
Latest filing
Aug 14, 2026

IMGN holding history

ImmunoGen, Inc. in every 13F filed by UBS Oconnor 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 Q4 2025 holdings

Shares (Q1 2024)
0
Sold out in Q1 2024
Value
$0
% of portfolio
0.0%
Quarters held
1
Since Q4 2023
Holdings of IMGN by UBS Oconnor LLC, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q1 20240$00.0%−1,915,452−100.0%Sold outHolders
Q4 20231,915,452$56.8M1.8%+1,915,452NewHolders