RA Capital Management - IMMUNOGEN INC ownership

IMMUNOGEN INC's ticker is IMGN and the CUSIP is 45253H101. A total of 217 filers reported holding IMMUNOGEN INC in Q2 2021. The put-call ratio across all filers is 0.14 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 Q2 2021
NameSharesValueWeighting ↓
Redmile Group, LLC 17,503,417$277,779,22813.22%
Fairmount Funds Management LLC 5,929,592$94,102,62511.32%
CM Management, LLC 500,000$7,935,0008.42%
SILVERARC CAPITAL MANAGEMENT, LLC 1,307,435$20,748,9936.29%
Altium Capital Management LP 725,000$11,505,7506.00%
RA Capital Management 13,322,288$211,424,7114.16%
TANG CAPITAL MANAGEMENT LLC 1,500,000$23,805,0003.36%
BRIDGER MANAGEMENT, LLC 467,220$7,414,7812.73%
Birchview Capital, LP 190,000$3,015,3002.57%
Boxer Capital, LLC 2,961,000$46,991,0702.50%
View complete list of IMMUNOGEN INC shareholders