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IMMUNOGEN INC
IMMUNOGEN INC. Institutional holdings reported to the SEC.

Institutional Holders (2017Q2)
Portfolio Summary: 169 Institutional holders with a total value of $536,123,835.
#
Manager Name
Shares
Value ($)
%
Options
Notes
101 SIMPLEX TRADING, LLC 23,897 169,000 0.03%
102 Commonwealth Equity Services, Inc 22,864 163,000 0.03%
103 GOLDMAN SACHS GROUP INC 19,700 140,000 0.03% Put
104 WOLVERINE TRADING LP /BD 19,032 137,000 0.03%
105 Creative Planning 18,112 129,000 0.02%
106 HighTower Advisors, LLC 17,184 128,000 0.02%
107 Raymond James Financial Services Advisors, Inc. 17,706 126,000 0.02%
108 Aperio Group, LLC 16,797 119,000 0.02%
109 INTERNATIONAL ASSETS HOLDING CORP 16,227 115,000 0.02%
110 WRAPMANAGER INC 16,197 115,000 0.02%
111 JACOBI CAPITAL MANAGEMENT LLC 15,000 110,000 0.02%
112 US BANCORP \DE\ 15,000 107,000 0.02%
113 PRINCIPAL FINANCIAL GROUP INC 15,101 107,000 0.02%
114 GOULD ASSET MANAGEMENT LLC /CA/ 15,000 107,000 0.02%
115 ARROWSTREET CAPITAL, LIMITED PARTNERSHIP 14,400 102,000 0.02%
116 COMERICA BANK 15,824 100,000 0.02%
117 ETRADE Capital Management LLC 13,595 97,000 0.02%
118 SCOTIA CAPITAL INC. 13,585 97,000 0.02%
119 JANE STREET GROUP, LLC 13,104 93,000 0.02%
120 Parkwood LLC 12,480 89,000 0.02%
121 ADVISOR GROUP, INC. 12,471 89,000 0.02%
122 OPPENHEIMER ASSET MANAGEMENT INC. 12,514 89,000 0.02%
123 CUTLER GROUP LLC / CA 11,668 82,000 0.02%
124 AMALGAMATED BANK 10,870 77,000 0.01%
125 TFS CAPITAL LLC 10,159 72,000 0.01%
126 FEDERATION DES CAISSES DESJARDINS DU QUEBEC 10,000 71,100 0.01%
127 Jefferies Group LLC 10,000 71,000 0.01% Put
128 ALLIANCE WEALTH MANAGEMENT GROUP 10,000 71,000 0.01%
129 BNP PARIBAS FINANCIAL MARKETS 9,640 68,540 0.01%
130 CANADA LIFE ASSURANCE Co 9,004 64,000 0.01%
131 FIFTH THIRD BANCORP 6,700 48,000 0.01%
132 Ameritas Investment Partners, Inc. 6,651 47,000 0.01%
133 IFP ADVISORS, INC 5,596 40,000 0.01%
134 WHITTIER TRUST CO 5,300 38,000 0.01%
135 LADENBURG THALMANN FINANCIAL SERVICES INC. 5,065 36,000 0.01%
136 ACADIAN ASSET MANAGEMENT LLC 4,296 31,000 0.01%
137 MOSAIC FAMILY WEALTH, LLC 4,391 31,000 0.01%
138 BALENTINE LLC 4,241 30,000 0.01%
139 FIRST MANHATTAN CO. LLC. 3,046 21,000 0.00%
140 WOLVERINE ASSET MANAGEMENT LLC 2,500 17,000 0.00% Put
141 YORKBRIDGE WEALTH PARTNERS, LLC 2,090 14,000 0.00%
142 Zurcher Kantonalbank (Zurich Cantonalbank) 1,995 14,000 0.00%
143 FLORENCE CAPITAL ADVISORS, LLC 2,500 12,000 0.00%
144 PNC FINANCIAL SERVICES GROUP, INC. 1,607 12,000 0.00%
145 NISA INVESTMENT ADVISORS, LLC 1,340 10,000 0.00%
146 BANK OF MONTREAL /CAN/ 1,328 10,000 0.00%
147 SEI INVESTMENTS CO 1,200 9,000 0.00%
148 Financial Architects, Inc 1,196 9,000 0.00%
149 JFS WEALTH ADVISORS, LLC 1,150 8,000 0.00%
150 MEEDER ASSET MANAGEMENT INC 1,172 8,000 0.00%
Page 3 of 4

From 2023-01-03 onward, the SEC requires values to be reported in nearest dollars. Earlier filings reported values in thousands; therefore, positions shown as $0 in older filings may represent actual values between $0–$999.