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Prothena Corp
PRTA

Overview Fund Activity

153 hedge funds and large institutions have $2.79B invested in Prothena Corp in 2017 Q3 according to their latest regulatory filings, with 25 funds opening new positions, 51 increasing their positions, 34 reducing their positions, and 16 closing their positions.

Holders
153
Holders Change
+8
Holders Change %
+5.52%
% of All Funds
3.82%
Holding in Top 10
2
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+100%
% of All Funds
0.05%
New
25
Increased
51
Reduced
34
Closed
16
Calls
$10.9M
Puts
$11.7M
Net Calls
-$849K
Net Calls Change
+$954K

Top Buyers

1
T. Rowe Price Associates
1
T. Rowe Price Associates
Maryland
$353M
2
PI
2
Putnam Investments
Massachusetts
$16.8M
3
Wellington Management Group
3
Wellington Management Group
Massachusetts
$218M
4
PC
4
PointState Capital
New York
$22.8M
5
BlackRock
5
BlackRock
New York
$195M

Top Sellers

1
RG
1
Redmile Group
California
$0
2
Wells Fargo
2
Wells Fargo
California
$2.49M
3
Citadel Advisors
3
Citadel Advisors
Florida
$0
4
ORI
4
Oak Ridge Investments
Illinois
$18.6M
5
OM
5
Opaleye Management
Massachusetts
$0
Name Market Value Shares Shares
Change 		Shares
Change %
WIM
1
Woodford Investment Management
United Kingdom
$735M 11,349,614 -50,810 -0.4%
Fidelity Investments
2
Fidelity Investments
Massachusetts
$372M 5,741,262 +42,028 +0.7%
T. Rowe Price Associates
3
T. Rowe Price Associates
Maryland
$353M 5,448,891 +1,026,626 +23%
Wellington Management Group
4
Wellington Management Group
Massachusetts
$218M 3,370,414 +97,552 +3%
BlackRock
5
BlackRock
New York
$195M 3,006,311 +58,799 +2%
Capital World Investors
6
Capital World Investors
California
$85.7M 1,323,114 – –
State Street
7
State Street
Massachusetts
$78.1M 1,205,226 +23,861 +2%
PAI
8
Palo Alto Investors
California
$71M 1,095,655 +21,700 +2%
AllianceBernstein
9
AllianceBernstein
Tennessee
$58.6M 904,725 +8,966 +1%
Vanguard Group
10
Vanguard Group
Pennsylvania
$47.4M 732,198 +19,114 +3%
Westfield Capital Management
11
Westfield Capital Management
Massachusetts
$40.4M 623,489 -60,671 -9%
Northern Trust
12
Northern Trust
Illinois
$29.7M 457,834 +55,023 +14%
Jennison Associates
13
Jennison Associates
New York
$26.6M 410,718 -1,185 -0.3%
PA
14
Pinnacle Associates
New York
$23.3M 359,704 -9,629 -3%
PC
15
PointState Capital
New York
$22.8M 352,400 +79,900 +29%
Geode Capital Management
16
Geode Capital Management
Massachusetts
$22.8M 351,613 +12,963 +4%
BB
17
BB Biotech
Switzerland
$22.7M 350,000 – –
Norges Bank
18
Norges Bank
Norway
$22.5M 348,016 +37,059 +12%
Loomis, Sayles & Company
19
Loomis, Sayles & Company
Massachusetts
$21.7M 334,381 -533 -0.2%
Goldman Sachs
20
Goldman Sachs
New York
$20.6M 317,996 +11,799 +4%
RSCM
21
Rock Springs Capital Management
Maryland
$20M 309,500 – –
ORI
22
Oak Ridge Investments
Illinois
$18.6M 287,656 -117,720 -29%
PI
23
Putnam Investments
Massachusetts
$16.8M 259,387 +259,387 New
VOYA Investment Management
24
VOYA Investment Management
Georgia
$16.7M 258,106 +16,559 +7%
Invesco
25
Invesco
Georgia
$16.6M 256,171 +134 +0.1%
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