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ACCELERON PHARMA
ACCELERON PHARMA. Institutional holdings reported to the SEC.

Institutional Holders (2014Q4)
Portfolio Summary: 120 Institutional holders with a total value of $968,596,002.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 FMR LLC 4,837,978 188,488,000 19.46%
2 PRICE T ROWE ASSOCIATES INC /MD/ 3,411,375 132,907,000 13.72%
3 Polaris Venture Management Co IV LLC 2,580,291 100,528,000 10.38%
4 ADAGE CAPITAL PARTNERS GP, L.L.C. 1,772,406 69,053,000 7.13%
5 QVT Financial LP 962,217 37,488,000 3.87%
6 BlackRock Fund Advisors 791,349 30,831,000 3.18%
7 VANGUARD GROUP INC 774,869 30,189,000 3.12%
8 SECTORAL ASSET MANAGEMENT INC 713,995 27,817,000 2.87%
9 OAK RIDGE INVESTMENTS LLC 684,936 26,685,000 2.76%
10 JPMORGAN CHASE & CO 665,547 25,931,000 2.68%
11 AGTC Partners, L.P. 530,919 20,685,000 2.14%
12 FRANKLIN RESOURCES INC 524,277 20,426,000 2.11%
13 BLACKROCK ADVISORS LLC 441,625 17,205,000 1.78%
14 CLOUGH CAPITAL PARTNERS L P 414,597 16,153,000 1.67%
15 CITADEL ADVISORS LLC 392,668 15,298,000 1.58%
16 LOOMIS SAYLES & CO L P 381,805 14,875,000 1.54%
17 PERCEPTIVE ADVISORS LLC 317,636 12,375,000 1.28%
18 Granahan Investment Management, LLC 305,988 11,921,000 1.23%
19 Cormorant Asset Management, LP 250,000 9,740,000 1.01%
20 LORD, ABBETT & CO. LLC 245,902 9,580,000 0.99%
21 STATE STREET CORP 234,277 9,128,000 0.94%
22 Iguana Healthcare Management, LLC 215,000 8,376,000 0.86%
23 BlackRock Institutional Trust Company, N.A. 206,920 8,062,000 0.83%
24 DRIEHAUS CAPITAL MANAGEMENT LLC 196,387 7,651,000 0.79%
25 NORTHERN TRUST CORP 164,793 6,420,000 0.66%
26 BROWN ADVISORY INC 161,940 6,309,000 0.65%
27 PICTET ASSET MANAGEMENT LTD 116,204 4,527,000 0.47%
28 UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 113,400 4,418,000 0.46%
29 CREDIT SUISSE AG/ 100,243 3,907,000 0.40%
30 BlackRock Group LTD 89,301 3,479,000 0.36%
31 DEUTSCHE BANK AG\ 86,661 3,374,000 0.35%
32 SUSQUEHANNA INTERNATIONAL GROUP, LLP 84,500 3,292,000 0.34% Call
33 WALL STREET ASSOCIATES 82,700 3,222,000 0.33%
34 Pentwater Capital Management LP 80,000 3,117,000 0.32%
35 BlackRock Investment Management, LLC 71,103 2,770,000 0.29%
36 Bank of New York Mellon Corp 70,021 2,729,000 0.28%
37 TEACHERS ADVISORS, LLC 69,597 2,711,000 0.28%
38 GEODE CAPITAL MANAGEMENT, LLC 67,351 2,623,000 0.27%
39 EVENTIDE ASSET MANAGEMENT, LLC 62,100 2,419,000 0.25%
40 ALLIANCEBERNSTEIN L.P. 60,890 2,372,000 0.24%
41 HIGHBRIDGE CAPITAL MANAGEMENT LLC 60,800 2,368,000 0.24% Call
42 TIAA CREF INVESTMENT MANAGEMENT LLC 57,406 2,237,000 0.23%
43 TD ASSET MANAGEMENT INC 56,900 2,217,000 0.23%
44 Foresite Capital Management I, LLC 55,767 2,173,000 0.22%
45 Candriam S.C.A. 55,000 2,143,000 0.22%
46 Jefferies Group LLC 54,800 2,135,000 0.22% Call
47 HIGHBRIDGE CAPITAL MANAGEMENT LLC 51,800 2,018,000 0.21% Put
48 HARBOURVEST PARTNERS LLC 51,163 1,993,000 0.21%
49 HIGHLAND CAPITAL MANAGEMENT LP 49,800 1,940,000 0.20%
50 Jefferies Group LLC 49,700 1,936,000 0.20% Put
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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.