BERKSHIRE ASSET MANAGEMENT LLC/PA - IMMUNOGEN INC ownership

IMMUNOGEN INC's ticker is IMGN and the CUSIP is 45253H101. A total of 221 filers reported holding IMMUNOGEN INC in Q3 2021. The put-call ratio across all filers is 0.30 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 Q3 2021
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