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

Institutional Holders (2015Q2)
Portfolio Summary: 145 Institutional holders with a total value of $1,565,949,990.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 Woodford Investment Management Ltd 5,527,525 291,135,000 18.59%
2 FMR LLC 4,692,882 247,174,000 15.78%
3 PRICE T ROWE ASSOCIATES INC /MD/ 3,475,196 183,039,000 11.69%
4 WELLINGTON MANAGEMENT GROUP LLP 2,527,043 133,099,000 8.50%
5 WESTFIELD CAPITAL MANAGEMENT CO LP 1,392,850 73,361,000 4.68%
6 BlackRock Fund Advisors 1,150,206 60,581,000 3.87%
7 STATE STREET CORP 1,065,977 56,143,000 3.59%
8 Visium Asset Management, LP 996,887 52,506,000 3.35%
9 Palo Alto Investors LP 695,918 36,654,000 2.34%
10 BlackRock Institutional Trust Company, N.A. 637,387 33,571,000 2.14%
11 MILLENNIUM MANAGEMENT LLC 539,913 28,437,000 1.82%
12 NORTHERN TRUST CORP 484,021 25,493,000 1.63%
13 VANGUARD GROUP INC 460,483 24,253,000 1.55%
14 CITADEL ADVISORS LLC 417,890 22,011,000 1.41%
15 JENNISON ASSOCIATES LLC 401,730 21,159,000 1.35%
16 Invesco Ltd. 291,645 15,361,000 0.98%
17 COLUMBUS CIRCLE INVESTORS 281,415 14,822,000 0.95%
18 OAK RIDGE INVESTMENTS LLC 263,266 13,866,000 0.89%
19 Rock Springs Capital Management LP 250,000 13,168,000 0.84%
20 MARSHALL WACE, LLP 222,360 11,712,000 0.75%
21 TEACHERS ADVISORS, LLC 203,065 10,695,000 0.68%
22 GEODE CAPITAL MANAGEMENT, LLC 200,180 10,543,000 0.67%
23 GUGGENHEIM CAPITAL LLC 195,538 10,300,000 0.66%
24 Bank of New York Mellon Corp 192,900 10,160,000 0.65%
25 NORGES BANK 189,264 9,968,000 0.64%
26 TURNER INVESTMENTS LLC 173,820 9,155,000 0.58%
27 CREDIT SUISSE AG/ 154,628 8,144,000 0.52%
28 TIAA CREF INVESTMENT MANAGEMENT LLC 143,604 7,564,000 0.48%
29 PRUDENTIAL FINANCIAL INC 137,470 7,241,000 0.46%
30 Informed Momentum Co LLC 117,809 6,205,000 0.40%
31 SPHERA FUNDS MANAGEMENT LTD. 115,133 6,064,000 0.39%
32 TWO SIGMA INVESTMENTS, LP 111,544 5,875,000 0.38%
33 BlackRock Investment Management, LLC 105,984 5,582,000 0.36%
34 SUSQUEHANNA INTERNATIONAL GROUP, LLP 92,900 4,893,000 0.31% Call
35 Employees Retirement System of Texas 90,000 4,740,000 0.30%
36 JPMORGAN CHASE & CO 86,226 4,541,000 0.29%
37 PUTNAM INVESTMENTS LLC 82,435 4,342,000 0.28%
38 CLOUGH CAPITAL PARTNERS L P 69,400 3,655,000 0.23%
39 DEUTSCHE BANK AG\ 66,913 3,523,000 0.22%
40 Point72 Asset Management, L.P. 62,000 3,266,000 0.21%
41 SUSQUEHANNA INTERNATIONAL GROUP, LLP 60,700 3,197,000 0.20% Put
42 CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 57,140 3,010,000 0.19%
43 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 54,772 2,885,000 0.18%
44 AXA S.A. 51,162 2,695,000 0.17%
45 ALLIANCEBERNSTEIN L.P. 44,800 2,360,000 0.15%
46 AMERIPRISE FINANCIAL INC 44,386 2,338,000 0.15%
47 UBS Group AG 42,400 2,233,000 0.14% Call
48 WELLS FARGO & COMPANY/MN 41,954 2,210,000 0.14%
49 RUSSELL FRANK CO/ 41,903 2,207,000 0.14%
50 BLACKROCK ADVISORS LLC 38,326 2,019,000 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.