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

Institutional Holders (2016Q3)
Portfolio Summary: 166 Institutional holders with a total value of $198,353,041.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 Clearbridge Investments, LLC 15,174,726 40,668,000 20.50%
2 PRIMECAP MANAGEMENT CO/CA/ 9,619,122 25,779,000 13.00%
3 ORBIMED ADVISORS LLC 6,095,647 16,336,000 8.24%
4 VANGUARD GROUP INC 5,896,321 15,802,000 7.97%
5 BlackRock Fund Advisors 3,310,737 8,873,000 4.47%
6 BAKER BROS. ADVISORS LP 3,015,353 8,081,000 4.07%
7 RENAISSANCE TECHNOLOGIES LLC 2,503,340 6,709,000 3.38%
8 FMR LLC 2,193,246 5,878,000 2.96%
9 BlackRock Institutional Trust Company, N.A. 2,127,680 5,702,000 2.87%
10 MILLENNIUM MANAGEMENT LLC 1,814,320 4,862,000 2.45%
11 DEUTSCHE BANK AG\ 1,566,956 4,197,000 2.12%
12 WELLS FARGO & COMPANY/MN 1,481,117 3,969,000 2.00%
13 STATE STREET CORP 1,480,770 3,967,000 2.00%
14 NORGES BANK 1,530,772 3,918,000 1.98%
15 BANK OF AMERICA CORP /DE/ 1,389,343 3,724,000 1.88%
16 MORGAN STANLEY 1,131,061 3,031,000 1.53%
17 NORTHERN TRUST CORP 1,008,154 2,702,000 1.36%
18 FRANKLIN RESOURCES INC 946,301 2,536,000 1.28%
19 MACQUARIE GROUP LTD 930,000 2,492,000 1.26%
20 PANAGORA ASSET MANAGEMENT INC 840,804 2,253,000 1.14%
21 RAYMOND JAMES & ASSOCIATES 657,202 1,761,000 0.89%
22 GOLDMAN SACHS GROUP INC 644,244 1,727,000 0.87%
23 GEODE CAPITAL MANAGEMENT, LLC 639,592 1,713,000 0.86%
24 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 388,604 1,042,000 0.53%
25 Bank of New York Mellon Corp 366,832 983,000 0.50%
26 TWO SIGMA INVESTMENTS, LP 353,576 948,000 0.48%
27 Lumbard & Kellner, LLC 351,565 942,000 0.47%
28 BlackRock Investment Management, LLC 317,487 851,000 0.43%
29 TIAA CREF INVESTMENT MANAGEMENT LLC 289,042 775,000 0.39%
30 Fisher Asset Management, LLC 253,701 680,000 0.34%
31 NATIXIS ADVISORS, LLC 233,853 627,000 0.32%
32 KBC Group NV 218,305 585,000 0.29%
33 JACOBS LEVY EQUITY MANAGEMENT, INC 209,500 561,000 0.28%
34 TEACHERS ADVISORS, LLC 189,688 508,000 0.26%
35 WELLINGTON MANAGEMENT GROUP LLP 182,591 489,000 0.25%
36 CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 177,850 477,000 0.24%
37 AQR CAPITAL MANAGEMENT LLC 165,433 444,000 0.22%
38 CITADEL ADVISORS LLC 162,585 436,000 0.22%
39 CITIGROUP INC 161,564 433,000 0.22%
40 Swiss National Bank 159,400 427,000 0.22%
41 CREDIT SUISSE AG/ 155,465 417,000 0.21%
42 ALLIANCEBERNSTEIN L.P. 152,964 410,000 0.21%
43 LOS ANGELES CAPITAL MANAGEMENT LLC 133,740 358,000 0.18%
44 SUSQUEHANNA INTERNATIONAL GROUP, LLP 128,100 343,000 0.17% Put
45 CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM 116,300 312,000 0.16%
46 TWIN FOCUS CAPITAL PARTNERS, LLC 113,216 303,000 0.15%
47 Numeric Investors LLC 109,900 295,000 0.15%
48 D.A. DAVIDSON & CO. 106,974 285,000 0.14%
49 RHUMBLINE ADVISERS 106,196 285,000 0.14%
50 BLACKROCK ADVISORS LLC 98,757 265,000 0.13%
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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.