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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
51 ALLIANCEBERNSTEIN L.P. 118,264 841,000 0.16%
52 SUSQUEHANNA INTERNATIONAL GROUP, LLP 118,200 840,000 0.16% Put
53 TWIN FOCUS CAPITAL PARTNERS, LLC 113,216 805,000 0.15%
54 CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM 111,500 793,000 0.15%
55 STIFEL FINANCIAL CORP 111,478 791,000 0.15%
56 Crestline Management, LP 108,435 771,000 0.14%
57 Neuberger Berman Group LLC 106,757 759,000 0.14%
58 Endurant Capital Management LP 104,500 743,000 0.14%
59 RHUMBLINE ADVISERS 98,176 698,000 0.13%
60 D.A. DAVIDSON & CO. 94,351 670,000 0.12%
61 STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM 93,560 665,000 0.12%
62 BB&T SECURITIES, LLC 90,065 640,000 0.12%
63 PARAMETRIC PORTFOLIO ASSOCIATES LLC 88,553 630,000 0.12%
64 NEW YORK STATE COMMON RETIREMENT FUND 84,300 599,000 0.11%
65 BANK OF NOVA SCOTIA 83,100 591,000 0.11%
66 ELLINGTON MANAGEMENT GROUP LLC 79,100 562,000 0.10%
67 MARSHALL WACE NORTH AMERICA, L.P. 77,315 541,000 0.10%
68 OXFORD ASSET MANAGEMENT LLP 71,166 506,000 0.09%
69 Telemetry Investments, L.L.C. 70,000 498,000 0.09% Call
70 DRIEHAUS CAPITAL MANAGEMENT LLC 67,739 482,000 0.09%
71 MANUFACTURERS LIFE INSURANCE COMPANY, THE 66,935 476,000 0.09%
72 METROPOLITAN LIFE INSURANCE CO/NY 66,517 473,000 0.09%
73 Nuveen Asset Management, LLC 64,749 460,000 0.09%
74 VIRTUS ETF ADVISERS LLC 63,629 452,000 0.08%
75 GOLDMAN SACHS GROUP INC 62,200 442,000 0.08% Call
76 Janney Montgomery Scott LLC 58,784 418,000 0.08%
77 BAXTER BROS INC 58,000 412,000 0.08%
78 STATE OF WISCONSIN INVESTMENT BOARD 58,000 412,000 0.08%
79 AMERICAN INTERNATIONAL GROUP, INC. 52,212 371,000 0.07%
80 BARCLAYS PLC 51,761 368,000 0.07%
81 Nationwide Fund Advisors 50,139 356,000 0.07%
82 ACUTA CAPITAL PARTNERS, LLC 50,000 356,000 0.07% Call
83 UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 49,397 351,213 0.07%
84 TWO SIGMA INVESTMENTS, LP 48,467 345,000 0.06%
85 WOLVERINE TRADING LP /BD 45,400 328,000 0.06% Call
86 VOYA INVESTMENT MANAGEMENT LLC 45,066 320,000 0.06%
87 STEPHENS INC /AR/ 38,429 273,000 0.05%
88 ALAMBIC INVESTMENT MANAGEMENT, L.P. 38,015 270,000 0.05%
89 Northeast Financial Consultants Inc 34,315 244,000 0.05%
90 Trexquant Investment LP 32,697 232,000 0.04%
91 PRICE T ROWE ASSOCIATES INC /MD/ 27,636 196,000 0.04%
92 CITADEL ADVISORS LLC 27,200 193,000 0.04% Call
93 ENVESTNET ASSET MANAGEMENT INC 26,902 192,000 0.04%
94 RELIANCE TRUST CO OF DELAWARE 26,703 190,000 0.04%
95 KBC Group NV 26,660 190,000 0.04%
96 WOLVERINE TRADING LP /BD 25,700 186,000 0.03% Put
97 CREDIT AGRICOLE S A 26,000 185,000 0.03%
98 Legal & General Group Plc 25,685 184,000 0.03%
99 CITADEL ADVISORS LLC 25,200 179,000 0.03% Put
100 MASSEY QUICK SIMON & CO., LLC 25,000 178,000 0.03%
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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.