PURA VIDA INVESTMENTS, LLC - IMMUNOGEN INC ownership

IMMUNOGEN INC's ticker is and the CUSIP is 45253H951. A total of 5 filers reported holding IMMUNOGEN INC in Q3 2023. The put-call ratio across all filers is - and the average weighting 0.0%.

Quarter-by-quarter ownership
PURA VIDA INVESTMENTS, LLC ownership history of IMMUNOGEN INC
ValueSharesWeighting
Q4 2021$3,596,000
-2.5%
484,600
-25.5%
0.13%
+16.1%
Q3 2021$3,689,000650,7000.11%
Other shareholders
IMMUNOGEN INC shareholders Q3 2023
NameSharesValueWeighting ↓
GROUP ONE TRADING, L.P. 26,800$445,0000.01%
Citadel Advisors 18,600$309,0000.00%
View complete list of IMMUNOGEN INC shareholders