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ZAFGEN INC COM
ZAFGEN INC COM. Institutional holdings reported to the SEC.

Institutional Holders (2014Q4)
Portfolio Summary: 59 Institutional holders with a total value of $499,839,815.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 Third Rock Ventures, LLC 5,602,045 172,767,000 34.56%
2 FMR LLC 3,406,049 105,043,000 21.02%
3 FRANKLIN RESOURCES INC 736,671 22,719,000 4.55%
4 RA CAPITAL MANAGEMENT, L.P. 732,960 22,604,000 4.52%
5 Capital World Investors 541,729 20,591,000 4.12%
6 Bain Capital Public Equity Management, LLC 666,480 20,554,000 4.11%
7 VHCP Management, LLC 541,480 16,699,000 3.34%
8 Foresite Capital Management II, LLC 500,166 15,425,000 3.09%
9 WELLINGTON MANAGEMENT GROUP LLP 498,855 15,385,000 3.08%
10 BlackRock Fund Advisors 458,052 14,126,000 2.83%
11 JENNISON ASSOCIATES LLC 292,052 9,007,000 1.80%
12 PERCEPTIVE ADVISORS LLC 278,313 8,583,000 1.72%
13 VANGUARD GROUP INC 204,328 6,301,000 1.26%
14 Alyeska Investment Group, L.P. 123,419 3,806,000 0.76%
15 SABBY MANAGEMENT, LLC 111,259 3,431,000 0.69%
16 JPMORGAN CHASE & CO 109,025 3,363,000 0.67%
17 Lombard Odier Asset Management (USA) Corp 108,186 3,336,000 0.67%
18 Granahan Investment Management, LLC 108,130 3,335,000 0.67%
19 ACUTA CAPITAL PARTNERS, LLC 100,263 3,092,000 0.62%
20 PRINCIPAL FINANCIAL GROUP INC 97,700 3,013,000 0.60%
21 SPHERA FUNDS MANAGEMENT LTD. 72,100 2,224,000 0.44%
22 NORTHERN TRUST CORP 71,824 2,215,000 0.44%
23 STATE STREET CORP 64,548 1,990,000 0.40%
24 BlackRock Institutional Trust Company, N.A. 60,494 1,866,000 0.37%
25 GOLDMAN SACHS GROUP INC 60,182 1,856,000 0.37%
26 FARALLON CAPITAL MANAGEMENT LLC 60,000 1,850,000 0.37%
27 Lisanti Capital Growth, LLC 56,487 1,742,000 0.35%
28 DEUTSCHE BANK AG\ 43,280 1,333,000 0.27%
29 GEODE CAPITAL MANAGEMENT, LLC 37,152 1,145,000 0.23%
30 EMERALD MUTUAL FUND ADVISERS TRUST 35,000 1,079,000 0.22%
31 TIAA CREF INVESTMENT MANAGEMENT LLC 31,608 975,000 0.20%
32 Bank of New York Mellon Corp 30,707 947,000 0.19%
33 Weiss Multi-Strategy Advisers LLC 30,000 925,000 0.19%
34 Tekla Capital Management LLC 26,614 821,000 0.16%
35 UNITED SERVICES AUTOMOBILE ASSOCIATION 20,900 645,000 0.13%
36 COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS 20,425 630,000 0.13%
37 BlackRock Investment Management, LLC 19,821 611,000 0.12%
38 COMMONWEALTH BANK OF AUSTRALIA 19,500 601,000 0.12%
39 Nationwide Fund Advisors 17,082 527,000 0.11%
40 ProShare Advisors LLC 16,515 509,000 0.10%
41 CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 12,754 393,000 0.08%
42 CREDIT SUISSE AG/ 8,933 275,000 0.06%
43 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 8,500 263,000 0.05%
44 Swiss National Bank 6,800 210,000 0.04%
45 TEACHERS ADVISORS, LLC 6,431 198,000 0.04%
46 CITIGROUP INC 5,937 183,000 0.04%
47 AMERICAN INTERNATIONAL GROUP, INC. 4,339 133,815 0.03%
48 MANUFACTURERS LIFE INSURANCE COMPANY, THE 3,327 103,000 0.02%
49 SG Americas Securities, LLC 3,268 101,000 0.02%
50 BLACKROCK ADVISORS LLC 2,652 82,000 0.02%
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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.