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PROTHENA CORP PLC
PROTHENA CORP PLC. Institutional holdings reported to the SEC.

Institutional Holders (2015Q1)
Portfolio Summary: 128 Institutional holders with a total value of $979,158,808.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 FMR LLC 4,109,930 156,753,000 16.01%
2 Woodford Investment Management Ltd 3,708,171 141,430,000 14.44%
3 PRICE T ROWE ASSOCIATES INC /MD/ 3,439,296 131,175,000 13.40%
4 WELLINGTON MANAGEMENT GROUP LLP 2,500,712 95,378,000 9.74%
5 WESTFIELD CAPITAL MANAGEMENT CO LP 1,734,928 66,170,000 6.76%
6 STATE STREET CORP 1,189,576 45,366,000 4.63%
7 BlackRock Fund Advisors 1,071,514 40,868,000 4.17%
8 MILLENNIUM MANAGEMENT LLC 738,429 28,164,000 2.88%
9 Palo Alto Investors LP 695,918 26,542,000 2.71%
10 JENNISON ASSOCIATES LLC 576,292 21,980,000 2.24%
11 BlackRock Institutional Trust Company, N.A. 544,021 20,749,000 2.12%
12 NORTHERN TRUST CORP 424,632 16,194,000 1.65%
13 VANGUARD GROUP INC 393,645 15,014,000 1.53%
14 Visium Asset Management, LP 302,039 11,520,000 1.18%
15 Invesco Ltd. 264,751 10,097,000 1.03%
16 TURNER INVESTMENTS LLC 249,990 9,535,000 0.97%
17 Rock Springs Capital Management LP 237,500 9,058,000 0.93%
18 TEACHERS ADVISORS, LLC 195,175 7,444,000 0.76%
19 GUGGENHEIM CAPITAL LLC 191,066 7,287,000 0.74%
20 NORGES BANK 189,264 7,219,000 0.74%
21 GEODE CAPITAL MANAGEMENT, LLC 164,913 6,289,000 0.64%
22 PRUDENTIAL FINANCIAL INC 162,170 6,185,000 0.63%
23 SUSQUEHANNA INTERNATIONAL GROUP, LLP 156,500 5,969,000 0.61% Put
24 Bank of New York Mellon Corp 151,785 5,789,000 0.59%
25 CLOUGH CAPITAL PARTNERS L P 145,200 5,538,000 0.57%
26 CREDIT SUISSE AG/ 128,066 4,885,000 0.50%
27 PUTNAM INVESTMENTS LLC 118,271 4,511,000 0.46%
28 CITADEL ADVISORS LLC 104,337 3,980,000 0.41%
29 SUSQUEHANNA INTERNATIONAL GROUP, LLP 102,300 3,902,000 0.40% Call
30 TIAA CREF INVESTMENT MANAGEMENT LLC 99,908 3,810,000 0.39%
31 JPMORGAN CHASE & CO 94,125 3,590,000 0.37%
32 Employees Retirement System of Texas 90,000 3,433,000 0.35%
33 SPHERA FUNDS MANAGEMENT LTD. 88,133 3,361,000 0.34%
34 BlackRock Investment Management, LLC 85,996 3,280,000 0.33%
35 AMERICAN CENTURY COMPANIES INC 85,113 3,246,000 0.33%
36 BLACKROCK ADVISORS LLC 79,159 3,019,000 0.31%
37 DEUTSCHE BANK AG\ 68,066 2,594,000 0.26%
38 CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 48,637 1,855,000 0.19%
39 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 48,303 1,843,000 0.19%
40 SMITH ASSET MANAGEMENT GROUP LP 47,480 1,811,000 0.18%
41 D. E. Shaw & Co., Inc. 45,099 1,720,000 0.18%
42 GOLDMAN SACHS GROUP INC 44,676 1,704,000 0.17%
43 MARINER INVESTMENT GROUP LLC 43,600 1,663,000 0.17%
44 Connor, Clark & Lunn Investment Management Ltd. 38,100 1,453,000 0.15%
45 ALLIANCEBERNSTEIN L.P. 36,100 1,377,000 0.14%
46 Granahan Investment Management, LLC 33,894 1,293,000 0.13%
47 Swiss National Bank 33,500 1,278,000 0.13%
48 Informed Momentum Co LLC 32,250 1,230,000 0.13%
49 RHUMBLINE ADVISERS 31,596 1,205,000 0.12%
50 RUSSELL FRANK CO/ 27,954 1,066,000 0.11%
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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.