RA Capital Management - IMMUNOGEN INC ownership

IMMUNOGEN INC's ticker is IMGN and the CUSIP is 45253H101. A total of 214 filers reported holding IMMUNOGEN INC in Q4 2020. The put-call ratio across all filers is 0.99 and the average weighting 0.1%.

Quarter-by-quarter ownership
RA Capital Management ownership history of IMMUNOGEN INC
ValueSharesWeighting
Q3 2023$211,424,711
+380.9%
13,322,288
+471.8%
4.16%
+401.4%
Q2 2023$43,966,307
-47.6%
2,329,958
-89.3%
0.83%
-56.3%
Q1 2023$83,919,199
-22.6%
21,853,9580.0%1.90%
-13.6%
Q4 2022$108,395,632
+4.3%
21,853,958
+0.5%
2.20%
-0.9%
Q3 2022$103,924,000
+6.2%
21,741,4580.0%2.22%
-15.0%
Q2 2022$97,837,000
-5.5%
21,741,4580.0%2.61%
+15.5%
Q1 2022$103,489,000
-31.1%
21,741,458
+7.4%
2.26%
-14.7%
Q4 2021$150,192,000
+43.8%
20,241,458
+9.9%
2.65%
+83.0%
Q3 2021$104,427,000
-14.0%
18,417,4580.0%1.45%
-25.7%
Q2 2021$121,371,000
-18.6%
18,417,4580.0%1.95%
-13.4%
Q1 2021$149,181,000
+25.6%
18,417,4580.0%2.25%
+35.4%
Q4 2020$118,793,000
+368.7%
18,417,458
+161.6%
1.66%
+258.0%
Q3 2020$25,346,000
+43.9%
7,040,485
+36.3%
0.46%
-16.5%
Q1 2020$17,617,0005,166,3030.56%
Other shareholders
IMMUNOGEN INC shareholders Q4 2020
NameSharesValueWeighting ↓
SILVERARC CAPITAL MANAGEMENT, LLC 600,000$3,870,0002.25%
CM Management, LLC 375,000$2,419,0002.24%
Consonance Capital Management LP 3,515,944$22,678,0002.12%
RA Capital Management 18,417,458$118,793,0001.66%
Kercheville Advisors, LLC 244,421$1,564,0000.85%
Redmile Group, LLC 10,528,179$67,907,0000.82%
Birchview Capital, LP 190,000$1,226,0000.71%
QVT Financial LP 1,375,900$8,875,0000.49%
Fernwood Investment Management, LLC 149,340$963,0000.38%
TWIN FOCUS CAPITAL PARTNERS, LLC 104,068$671,0000.21%
View complete list of IMMUNOGEN INC shareholders