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PTC THERAPEUTICS INC
PTC THERAPEUTICS INC. Institutional holdings reported to the SEC.

Institutional Holders (2015Q1)
Portfolio Summary: 177 Institutional holders with a total value of $1,970,032,191.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 FMR LLC 5,053,336 307,495,000 15.61%
2 WESTFIELD CAPITAL MANAGEMENT CO LP 2,344,341 142,653,000 7.24%
3 WELLINGTON MANAGEMENT GROUP LLP 2,296,583 139,748,000 7.09%
4 Bain Capital Public Equity Management, LLC 1,651,335 100,484,000 5.10%
5 VANGUARD GROUP INC 1,630,637 99,225,000 5.04%
6 CREDIT SUISSE AG/ 1,186,491 72,197,000 3.66%
7 BB BIOTECH AG 1,177,912 71,676,000 3.64%
8 BlackRock Fund Advisors 1,110,576 67,579,000 3.43%
9 WELLS FARGO & COMPANY/MN 997,508 60,699,000 3.08%
10 PUTNAM INVESTMENTS LLC 848,788 51,649,000 2.62%
11 York Capital Management Global Advisors, LLC 827,552 50,357,000 2.56%
12 SECTORAL ASSET MANAGEMENT INC 753,141 45,829,000 2.33%
13 STATE STREET CORP 693,484 42,198,000 2.14%
14 JANUS HENDERSON INVESTORS US LLC 667,264 40,603,000 2.06%
15 BlackRock Institutional Trust Company, N.A. 576,838 35,101,000 1.78%
16 TOCQUEVILLE ASSET MANAGEMENT L.P. 571,423 34,771,000 1.76%
17 Brandywine Global Investment Management, LLC 569,575 34,659,000 1.76%
18 COLUMBUS CIRCLE INVESTORS 478,043 29,089,000 1.48%
19 FRANKLIN RESOURCES INC 397,800 24,206,000 1.23%
20 BLACKROCK ADVISORS LLC 372,564 22,671,000 1.15%
21 DAVIDE LEONE & PARTNERS INVESTMENT Co LLP 345,847 21,045,000 1.07%
22 SUSQUEHANNA INTERNATIONAL GROUP, LLP 320,800 19,521,000 0.99% Put
23 JET CAPITAL INVESTORS L P 310,000 18,864,000 0.96%
24 UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 308,600 18,778,000 0.95%
25 NORTHERN TRUST CORP 303,104 18,444,000 0.94%
26 LORD, ABBETT & CO. LLC 300,095 18,261,000 0.93%
27 OppenheimerFunds, Inc. 298,200 18,145,000 0.92%
28 Alberta Investment Management Corp 284,722 17,325,000 0.88%
29 TIG Advisors, LLC 276,721 16,838,000 0.85%
30 ALLIANCEBERNSTEIN L.P. 213,010 12,962,000 0.66%
31 Artisan Partners Limited Partnership 183,024 11,137,000 0.57%
32 TWO SIGMA INVESTMENTS, LP 177,749 10,816,000 0.55%
33 CITY NATIONAL BANK 163,804 9,967,000 0.51%
34 DEUTSCHE BANK AG\ 146,100 8,888,000 0.45%
35 GEODE CAPITAL MANAGEMENT, LLC 145,103 8,829,000 0.45%
36 Bank of New York Mellon Corp 138,866 8,450,000 0.43%
37 NORGES BANK 133,884 8,147,000 0.41%
38 SUSQUEHANNA INTERNATIONAL GROUP, LLP 131,400 7,996,000 0.41% Call
39 HIGHBRIDGE CAPITAL MANAGEMENT LLC 130,339 7,931,000 0.40%
40 PICTET ASSET MANAGEMENT LTD 126,678 7,442,000 0.38%
41 VOLORIDGE INVESTMENT MANAGEMENT, LLC 121,315 7,382,000 0.37%
42 SUSQUEHANNA INTERNATIONAL GROUP, LLP 111,370 6,777,000 0.34%
43 Cupps Capital Management, LLC 109,770 6,679,000 0.34%
44 Granahan Investment Management, LLC 105,000 6,389,000 0.32%
45 Asset Management One Co., Ltd. 97,749 6,339,000 0.32%
46 TIAA CREF INVESTMENT MANAGEMENT LLC 97,324 5,922,000 0.30%
47 Candriam S.C.A. 97,000 5,904,000 0.30%
48 BlackRock Investment Management, LLC 95,918 5,837,000 0.30%
49 JPMORGAN CHASE & CO 93,375 5,682,000 0.29%
50 Invesco Ltd. 93,116 5,666,000 0.29%
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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.