PURA VIDA INVESTMENTS, LLC - IMMUNOGEN INC ownership

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IMMUNOGEN INC's ticker is and the CUSIP is 45253H901. A total of 4 filers reported holding IMMUNOGEN INC in Q2 2021. The put-call ratio across all filers is - and the average weighting 0.0%.

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Quarter-by-quarter ownership
PURA VIDA INVESTMENTS, LLC ownership history of IMMUNOGEN INC
ValueSharesWeighting
Q4 2021$2,412,000
-61.2%
325,000
-70.4%
0.09%
-54.0%
Q3 2021$6,223,000
+93.6%
1,097,500
+125.0%
0.19%
+89.0%
Q2 2021$3,214,000–487,700–0.10%–
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Other shareholders
IMMUNOGEN INC shareholders Q2 2021
NameSharesValueWeighting ↓
SIMPLEX TRADING, LLC 1,152$743,0000.00%
GROUP ONE TRADING, L.P. 50,100$323,0000.00%
CONCOURSE FINANCIAL GROUP SECURITIES, INC. 0$00.00%
View complete list of IMMUNOGEN INC shareholders