Paloma Partners Management Co - IMMUNOGEN INC ownership

IMMUNOGEN INC's ticker is IMGN and the CUSIP is 45253H101. A total of 137 filers reported holding IMMUNOGEN INC in Q1 2017. The put-call ratio across all filers is 1.27 and the average weighting 0.0%.

Quarter-by-quarter ownership
Paloma Partners Management Co ownership history of IMMUNOGEN INC
ValueSharesWeighting
Q2 2019$112,000
-61.0%
51,400
+88.5%
0.00%
-60.0%
Q1 2018$287,000
+15.3%
27,263
-29.8%
0.01%
+66.7%
Q4 2017$249,000
+84.4%
38,838
-41.5%
0.00%
+200.0%
Q4 2016$135,00066,4140.00%
Other shareholders
IMMUNOGEN INC shareholders Q1 2017
NameSharesValueWeighting ↓
TWIN FOCUS CAPITAL PARTNERS, LLC 140,000$2,090,0002.48%
BB BIOTECH AG 3,165,816$47,266,0002.44%
SECTORAL ASSET MANAGEMENT INC 3,623,786$54,103,0002.22%
Lumbard & Kellner, LLC 81,225$1,192,0001.02%
Artal Group S.A. 1,300,000$19,409,0000.70%
SAN FRANCISCO SENTRY INVESTMENT GROUP (CA) 100,000$1,493,0000.48%
Rhenman & Partners Asset Management AB 73,702$1,100,0000.33%
PINNACLE ASSOCIATES LTD 883,647$13,193,0000.26%
FIRST TRUST ADVISORS LP 3,608,918$53,881,0000.24%
Granahan Investment Management 540,641$8,072,0000.22%
View complete list of IMMUNOGEN INC shareholders