SPHERA FUNDS MANAGEMENT LTD. - IMMUNOGEN INC ownership

IMMUNOGEN INC's ticker is IMGN and the CUSIP is 45253H101. A total of 143 filers reported holding IMMUNOGEN INC in Q1 2014. The put-call ratio across all filers is 0.52 and the average weighting 0.1%.

Quarter-by-quarter ownership
SPHERA FUNDS MANAGEMENT LTD. ownership history of IMMUNOGEN INC
ValueSharesWeighting
Q4 2017$3,205,000
+522.3%
500,000
+1349.3%
0.38%
+218.6%
Q1 2014$515,00034,5000.12%
Other shareholders
IMMUNOGEN INC shareholders Q1 2014
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