IRONWOOD INVESTMENT MANAGEMENT LLC - IMMUNOGEN INC ownership

IMMUNOGEN INC's ticker is IMGN and the CUSIP is 45253H101. A total of 193 filers reported holding IMMUNOGEN INC in Q1 2023. The put-call ratio across all filers is 0.37 and the average weighting 0.1%.

Quarter-by-quarter ownership
IRONWOOD INVESTMENT MANAGEMENT LLC ownership history of IMMUNOGEN INC
ValueSharesWeighting
Q3 2023$2,771,632
-24.3%
174,646
-10.0%
1.69%
-19.8%
Q2 2023$3,662,290
+392.2%
194,080
+0.2%
2.11%
+353.8%
Q1 2023$744,012
-24.6%
193,753
-2.6%
0.46%
-28.5%
Q4 2022$986,212
+16.2%
198,833
+12.0%
0.65%
+9.4%
Q3 2022$849,000
+6.1%
177,600
-0.1%
0.59%
+11.0%
Q2 2022$800,000
-5.3%
177,706
+0.1%
0.54%
+16.6%
Q1 2022$845,000177,5610.46%
Other shareholders
IMMUNOGEN INC shareholders Q1 2023
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