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

Institutional Holders (2016Q4)
Portfolio Summary: 161 Institutional holders with a total value of $133,705,635.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 Clearbridge Investments, LLC 13,544,332 27,630,000 20.66%
2 ORBIMED ADVISORS LLC 6,095,647 12,435,000 9.30%
3 PRIMECAP MANAGEMENT CO/CA/ 5,052,943 10,308,000 7.71%
4 VANGUARD GROUP INC 4,083,290 8,331,000 6.23%
5 BAKER BROS. ADVISORS LP 3,015,353 6,151,000 4.60%
6 BlackRock Fund Advisors 2,514,221 5,129,000 3.84%
7 RENAISSANCE TECHNOLOGIES LLC 2,481,740 5,063,000 3.79%
8 MILLENNIUM MANAGEMENT LLC 2,218,350 4,525,000 3.38%
9 BlackRock Institutional Trust Company, N.A. 2,177,724 4,443,000 3.32%
10 DEUTSCHE BANK AG\ 1,929,353 3,934,000 2.94%
11 WELLS FARGO & COMPANY/MN 1,789,209 3,649,000 2.73%
12 NORGES BANK 1,530,772 3,123,000 2.34%
13 STATE STREET CORP 1,526,398 3,115,000 2.33%
14 PANAGORA ASSET MANAGEMENT INC 1,358,863 2,772,000 2.07%
15 MORGAN STANLEY 1,266,967 2,584,000 1.93%
16 BANK OF AMERICA CORP /DE/ 1,211,823 2,472,000 1.85%
17 NORTHERN TRUST CORP 1,018,244 2,078,000 1.55%
18 FMR LLC 802,029 1,636,000 1.22%
19 SCHONFELD STRATEGIC ADVISORS LLC 775,000 1,581,000 1.18%
20 MACQUARIE GROUP LTD 700,000 1,428,000 1.07%
21 GEODE CAPITAL MANAGEMENT, LLC 655,352 1,336,000 1.00%
22 RAYMOND JAMES & ASSOCIATES 642,160 1,310,000 0.98%
23 GOLDMAN SACHS GROUP INC 627,263 1,280,000 0.96%
24 D. E. Shaw & Co., Inc. 449,256 917,000 0.69%
25 SUSQUEHANNA INTERNATIONAL GROUP, LLP 441,184 900,000 0.67%
26 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 398,768 814,000 0.61%
27 Bank of New York Mellon Corp 380,401 776,000 0.58%
28 TWO SIGMA INVESTMENTS, LP 347,034 708,000 0.53%
29 BlackRock Investment Management, LLC 320,809 654,000 0.49%
30 NATIXIS ADVISORS, LLC 285,970 583,000 0.44%
31 KBC Group NV 281,720 575,000 0.43%
32 Quantitative Investment Management, LLC 267,300 545,000 0.41%
33 TIAA CREF INVESTMENT MANAGEMENT LLC 262,968 536,000 0.40%
34 Fisher Asset Management, LLC 248,576 507,000 0.38%
35 SUSQUEHANNA INTERNATIONAL GROUP, LLP 222,200 453,000 0.34% Put
36 TEACHERS ADVISORS, LLC 209,859 428,000 0.32%
37 CITIGROUP INC 203,693 416,000 0.31%
38 CITADEL ADVISORS LLC 185,518 379,000 0.28%
39 CREDIT SUISSE AG/ 184,451 376,000 0.28%
40 CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 173,450 354,000 0.26%
41 Swiss National Bank 159,400 325,000 0.24%
42 ALLIANCEBERNSTEIN L.P. 152,964 312,000 0.23%
43 Virtu KCG Holdings LLC 137,153 280,000 0.21%
44 AQR CAPITAL MANAGEMENT LLC 134,939 275,000 0.21%
45 GROUP ONE TRADING LLC 120,173 245,000 0.18%
46 CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM 116,300 237,000 0.18%
47 UBS Group AG 113,044 231,000 0.17%
48 TWIN FOCUS CAPITAL PARTNERS, LLC 113,216 231,000 0.17%
49 FEDERATED HERMES, INC. 108,104 221,000 0.17%
50 RHUMBLINE ADVISERS 106,169 217,000 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.