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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
1 Clearbridge Investments, LLC 12,871,696 91,518,000 17.07%
2 FMR LLC 5,605,285 39,854,000 7.43%
3 BlackRock Finance, Inc. 5,384,945 38,286,000 7.14%
4 Redmile Group, LLC 5,212,736 37,063,000 6.91%
5 VANGUARD GROUP INC 4,248,688 30,209,000 5.63%
6 STATE STREET CORP 4,141,583 29,450,000 5.49%
7 MILLENNIUM MANAGEMENT LLC 4,029,457 28,649,000 5.34%
8 ORBIMED ADVISORS LLC 3,938,272 28,001,000 5.22%
9 PRIMECAP MANAGEMENT CO/CA/ 3,882,500 27,605,000 5.15%
10 BAKER BROS. ADVISORS LP 3,015,353 21,439,000 4.00%
11 WELLS FARGO & COMPANY/MN 1,576,158 11,206,000 2.09%
12 PANAGORA ASSET MANAGEMENT INC 1,553,138 11,043,000 2.06%
13 BANK OF AMERICA CORP /DE/ 1,156,001 8,219,000 1.53%
14 SCHONFELD STRATEGIC ADVISORS LLC 1,136,394 8,080,000 1.51%
15 NORTHERN TRUST CORP 1,050,380 7,469,000 1.39%
16 MORGAN STANLEY 1,024,470 7,283,000 1.36%
17 DEUTSCHE BANK AG\ 967,615 6,878,000 1.28%
18 MACQUARIE GROUP LTD 850,000 6,044,000 1.13%
19 RENAISSANCE TECHNOLOGIES LLC 722,340 5,136,000 0.96%
20 GEODE CAPITAL MANAGEMENT, LLC 713,190 5,070,000 0.95%
21 Informed Momentum Co LLC 582,865 4,144,000 0.77%
22 Bank of New York Mellon Corp 577,840 4,108,000 0.77%
23 Candriam S.C.A. 570,000 4,053,000 0.76%
24 GOLDMAN SACHS GROUP INC 568,668 4,043,000 0.75%
25 RAYMOND JAMES & ASSOCIATES 547,917 3,896,000 0.73%
26 FARALLON CAPITAL MANAGEMENT LLC 505,000 3,591,000 0.67%
27 JACOBS LEVY EQUITY MANAGEMENT, INC 350,634 2,493,000 0.47%
28 Invesco Ltd. 336,186 2,391,000 0.45%
29 NORGES BANK 333,979 2,375,000 0.44%
30 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 331,898 2,360,000 0.44%
31 SUSQUEHANNA INTERNATIONAL GROUP, LLP 312,700 2,223,000 0.41% Call
32 AXA S.A. 307,800 2,188,000 0.41%
33 NATIXIS ADVISORS, LLC 293,231 2,085,000 0.39%
34 Fisher Asset Management, LLC 256,206 1,822,000 0.34%
35 TIAA CREF INVESTMENT MANAGEMENT LLC 252,260 1,794,000 0.33%
36 CITIGROUP INC 243,824 1,734,000 0.32%
37 PAULSON & CO. INC. 229,222 1,630,000 0.30%
38 Fernwood Investment Management, LLC 218,500 1,554,000 0.29%
39 AMERIPRISE FINANCIAL INC 218,393 1,552,000 0.29%
40 CHICAGO EQUITY PARTNERS LLC 218,320 1,552,000 0.29%
41 ROYAL BANK OF CANADA 154,432 1,098,000 0.20%
42 TEACHERS ADVISORS, LLC 154,130 1,096,000 0.20%
43 CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 149,150 1,060,000 0.20%
44 GSA CAPITAL PARTNERS LLP 138,526 985,000 0.18%
45 Swiss National Bank 138,200 983,000 0.18%
46 FEDERATED HERMES, INC. 138,032 981,000 0.18%
47 CREDIT SUISSE AG/ 128,981 917,000 0.17%
48 AQR CAPITAL MANAGEMENT LLC 127,274 905,000 0.17%
49 UBS Group AG 123,864 881,000 0.16%
50 RUSSELL INVESTMENTS GROUP, LTD. 122,621 872,000 0.16%
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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.