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

Institutional Holders (2016Q2)
Portfolio Summary: 170 Institutional holders with a total value of $247,126,978.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 Clearbridge Investments, LLC 15,539,820 47,863,000 19.37%
2 PRIMECAP MANAGEMENT CO/CA/ 10,113,629 31,150,000 12.60%
3 VANGUARD GROUP INC 7,017,710 21,615,000 8.75%
4 ORBIMED ADVISORS LLC 6,095,647 18,775,000 7.60%
5 FMR LLC 3,219,829 9,917,000 4.01%
6 BlackRock Fund Advisors 3,111,490 9,583,000 3.88%
7 STATE STREET CORP 3,042,041 9,367,000 3.79%
8 BAKER BROS. ADVISORS LP 3,015,353 9,287,000 3.76%
9 MORGAN STANLEY 2,486,662 7,659,000 3.10%
10 BlackRock Institutional Trust Company, N.A. 2,105,253 6,484,000 2.62%
11 RENAISSANCE TECHNOLOGIES LLC 1,967,140 6,059,000 2.45%
12 MILLENNIUM MANAGEMENT LLC 1,624,508 5,003,000 2.02%
13 NORGES BANK 1,530,772 4,715,000 1.91%
14 DEUTSCHE BANK AG\ 1,462,204 4,502,000 1.82%
15 WELLS FARGO & COMPANY/MN 1,451,444 4,470,000 1.81%
16 BANK OF AMERICA CORP /DE/ 1,294,614 3,988,000 1.61%
17 NORTHERN TRUST CORP 1,010,304 3,112,000 1.26%
18 TWO SIGMA INVESTMENTS, LP 970,895 2,990,000 1.21%
19 FRANKLIN RESOURCES INC 946,301 2,915,000 1.18%
20 MACQUARIE GROUP LTD 930,000 2,864,000 1.16%
21 RAYMOND JAMES & ASSOCIATES 646,440 1,991,000 0.81%
22 GEODE CAPITAL MANAGEMENT, LLC 621,144 1,913,000 0.77%
23 ELEMENT CAPITAL MANAGEMENT LLC 537,854 1,657,000 0.67%
24 GOLDMAN SACHS GROUP INC 526,112 1,620,000 0.66%
25 Bank of New York Mellon Corp 402,416 1,239,000 0.50%
26 Lumbard & Kellner, LLC 351,565 1,083,000 0.44%
27 JACOBS LEVY EQUITY MANAGEMENT, INC 335,600 1,034,000 0.42%
28 BlackRock Investment Management, LLC 318,234 980,000 0.40%
29 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 300,956 927,000 0.38%
30 TIAA CREF INVESTMENT MANAGEMENT LLC 295,576 910,000 0.37%
31 NATIXIS ADVISORS, LLC 294,290 906,000 0.37%
32 WELLINGTON MANAGEMENT GROUP LLP 293,899 905,000 0.37%
33 Fisher Asset Management, LLC 253,701 751,000 0.30%
34 PANAGORA ASSET MANAGEMENT INC 238,155 734,000 0.30%
35 Numeric Investors LLC 216,700 667,000 0.27%
36 Quantitative Investment Management, LLC 195,400 601,000 0.24%
37 ALLIANCEBERNSTEIN L.P. 181,864 560,000 0.23%
38 CREDIT SUISSE AG/ 179,392 553,000 0.22%
39 CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 176,650 544,000 0.22%
40 Spark Investment Management LLC 168,200 518,000 0.21%
41 CITADEL ADVISORS LLC 167,102 515,000 0.21%
42 CITIGROUP INC 164,995 508,000 0.21%
43 Swiss National Bank 159,400 491,000 0.20%
44 TWO SIGMA ADVISERS, LP 153,018 471,000 0.19%
45 NEXTHERA CAPITAL LP 140,500 433,000 0.18%
46 UBS Group AG 138,606 427,000 0.17%
47 LOS ANGELES CAPITAL MANAGEMENT LLC 135,415 417,000 0.17%
48 TEACHERS ADVISORS, LLC 128,272 395,000 0.16%
49 CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM 124,300 383,000 0.15%
50 BlackRock Group LTD 122,283 376,000 0.15%
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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.