A.R.T. Advisors, LLC - IMMUNOGEN INC ownership

IMMUNOGEN INC's ticker is IMGN and the CUSIP is 45253H101. A total of 203 filers reported holding IMMUNOGEN INC in Q4 2018. The put-call ratio across all filers is 0.17 and the average weighting 0.0%.

Quarter-by-quarter ownership
A.R.T. Advisors, LLC ownership history of IMMUNOGEN INC
ValueSharesWeighting
Q4 2019$576,000
+85.8%
112,765
-11.9%
0.03%
+75.0%
Q3 2019$310,000
-7.7%
127,945
-17.4%
0.02%
-15.8%
Q2 2019$336,000
-72.1%
154,902
-65.2%
0.02%
-73.6%
Q1 2019$1,206,000
+161.6%
445,118
+813.2%
0.07%
+242.9%
Q3 2018$461,000
-52.6%
48,745
-47.3%
0.02%
-46.2%
Q1 2018$972,000
-23.5%
92,456
-44.3%
0.04%
-40.0%
Q3 2017$1,270,000
+392.2%
166,036
+97.5%
0.06%
+400.0%
Q2 2016$258,000
-91.8%
84,049
-76.2%
0.01%
-88.1%
Q1 2015$3,157,000
+113.6%
352,751
+45.5%
0.11%
+98.2%
Q4 2014$1,478,000
+189.2%
242,432
+607.5%
0.06%
+103.7%
Q1 2014$511,000
-67.8%
34,268
-63.2%
0.03%
-68.6%
Q3 2013$1,585,000
-42.7%
93,173
-44.1%
0.09%
-5.5%
Q2 2013$2,766,000166,7440.09%
Other shareholders
IMMUNOGEN INC shareholders Q4 2018
NameSharesValueWeighting ↓
Redmile Group, LLC 13,063,767$35,403,0001.04%
QVT Financial LP 1,375,900$3,442,0000.87%
Virtus ETF Advisers LLC 50,045$136,0000.29%
Fernwood Investment Management, LLC 187,000$507,0000.27%
PURA VIDA INVESTMENTS, LLC 524,600$1,422,0000.20%
Endurant Capital Management LP 184,440$500,0000.20%
Birchview Capital, LP 90,000$244,0000.15%
TWIN FOCUS CAPITAL PARTNERS, LLC 112,873$306,0000.14%
DLD Asset Management, LP 1,239,500$3,347,0000.12%
DLD Asset Management, LP 1,186,300$3,215,0000.12%
View complete list of IMMUNOGEN INC shareholders