BERKSHIRE ASSET MANAGEMENT LLC/PA - IMMUNOGEN INC ownership

IMMUNOGEN INC's ticker is IMGN and the CUSIP is 45253H101. A total of 216 filers reported holding IMMUNOGEN INC in Q2 2022. The put-call ratio across all filers is 0.21 and the average weighting 0.1%.

Quarter-by-quarter ownership
BERKSHIRE ASSET MANAGEMENT LLC/PA ownership history of IMMUNOGEN INC
ValueSharesWeighting
Q1 2022$51,000
-37.0%
10,773
-1.5%
0.00%
-40.0%
Q4 2021$81,000
+22.7%
10,934
-5.4%
0.01%
+25.0%
Q3 2021$66,000
-14.3%
11,556
-1.4%
0.00%
-20.0%
Q2 2021$77,000
-18.1%
11,719
+1.4%
0.01%
-28.6%
Q1 2021$94,000
+17.5%
11,556
-6.8%
0.01%
+16.7%
Q4 2020$80,000
+100.0%
12,397
+4.5%
0.01%
+50.0%
Q1 2020$40,00011,8620.00%
Other shareholders
IMMUNOGEN INC shareholders Q2 2022
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