Monashee Investment Management LLC - IMMUNOGEN INC ownership

IMMUNOGEN INC's ticker is IMGN and the CUSIP is 45253H101. A total of 275 filers reported holding IMMUNOGEN INC in Q3 2023. The put-call ratio across all filers is 0.37 and the average weighting 0.4%.

Quarter-by-quarter ownership
Monashee Investment Management LLC ownership history of IMMUNOGEN INC
ValueSharesWeighting
Q3 2023$634,800
-76.3%
40,000
-85.5%
0.26%
-47.9%
Q2 2018$2,676,000275,0000.51%
Other shareholders
IMMUNOGEN INC shareholders Q3 2023
NameSharesValueWeighting ↓
QVT Financial LP 1,375,900$6,329,0001.08%
Redmile Group, LLC 12,006,979$55,232,0001.02%
Birchview Capital, LP 190,000$874,0000.53%
Fernwood Investment Management, LLC 179,340$825,0000.41%
HealthCor Management, L.P. 1,200,000$5,520,0000.23%
Grace Capital 49,500$228,0000.20%
TWIN FOCUS CAPITAL PARTNERS, LLC 104,068$479,0000.19%
Virtus ETF Advisers LLC 79,795$367,0000.17%
PINNACLE ASSOCIATES LTD 1,087,034$5,000,0000.12%
HUSSMAN STRATEGIC ADVISORS, INC. 100,000$460,0000.12%
View complete list of IMMUNOGEN INC shareholders