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Prothena Corp
PRTA

Overview Fund Activity

161 hedge funds and large institutions have $2.13B invested in Prothena Corp in 2015 Q4 according to their latest regulatory filings, with 28 funds opening new positions, 65 increasing their positions, 40 reducing their positions, and 13 closing their positions.

Holders
161
Holders Change
+14
Holders Change %
+9.52%
% of All Funds
4.23%
Holding in Top 10
3
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+50%
% of All Funds
0.08%
New
28
Increased
65
Reduced
40
Closed
13
Calls
$15M
Puts
$17.2M
Net Calls
-$2.22M
Net Calls Change
-$5.78M

Top Buyers

1
AllianceBernstein
1
AllianceBernstein
Tennessee
$25M
2
PA
2
Pinnacle Associates
New York
$20.2M
3
Wells Fargo
3
Wells Fargo
California
$16.7M
4
Deutsche Bank
4
Deutsche Bank
Germany
$32.8M
5
WIM
5
Woodford Investment Management
United Kingdom
$435M

Top Sellers

1
Westfield Capital Management
1
Westfield Capital Management
Massachusetts
$3.12M
2
Citadel Advisors
2
Citadel Advisors
Florida
$32M
3
Millennium Management
3
Millennium Management
New York
$213K
4
State Street
4
State Street
Massachusetts
$55.1M
5
GC
5
Guggenheim Capital
Illinois
$4.74M
Name Market Value Shares Shares
Change 		Shares
Change %
WIM
1
Woodford Investment Management
United Kingdom
$435M 6,379,661 +177,136 +3%
Fidelity Investments
2
Fidelity Investments
Massachusetts
$322M 4,728,412 +25,615 +0.5%
T. Rowe Price Associates
3
T. Rowe Price Associates
Maryland
$211M 3,100,683 +1,580 +0.1%
Wellington Management Group
4
Wellington Management Group
Massachusetts
$170M 2,493,796 -19,773 -0.8%
Capital World Investors
5
Capital World Investors
California
$83.3M 1,223,114 – –
BFA
6
BlackRock Fund Advisors
California
$77.3M 1,135,587 -51,431 -4%
VAM
7
Visium Asset Management
New York
$66.7M 978,900 +19,473 +2%
State Street
8
State Street
Massachusetts
$55.1M 809,434 -159,371 -16%
BIT
9
BlackRock Institutional Trust
California
$52.5M 771,313 +3,663 +0.5%
PAI
10
Palo Alto Investors
California
$47.4M 695,518 -400 -0.1%
Vanguard Group
11
Vanguard Group
Pennsylvania
$35.4M 520,034 +10,642 +2%
Deutsche Bank
12
Deutsche Bank
Germany
$32.8M 481,920 +234,362 +95%
Citadel Advisors
13
Citadel Advisors
Florida
$32M 469,605 -354,845 -43%
Jennison Associates
14
Jennison Associates
New York
$27.7M 406,677 +1,912 +0.5%
ORI
15
Oak Ridge Investments
Illinois
$25.7M 376,746 -1,439 -0.4%
Invesco
16
Invesco
Georgia
$25.4M 373,550 +9,860 +3%
AllianceBernstein
17
AllianceBernstein
Tennessee
$25M 367,720 +322,280 +709%
Northern Trust
18
Northern Trust
Illinois
$24M 352,971 -135,369 -28%
Norges Bank
19
Norges Bank
Norway
$23.7M 348,206 +89,129 +34%
BB
20
BB Biotech
Switzerland
$21.8M 320,000 – –
PA
21
Pinnacle Associates
New York
$20.2M 296,484 +296,484 New
RSCM
22
Rock Springs Capital Management
Maryland
$16.9M 248,000 – –
Wells Fargo
23
Wells Fargo
California
$16.7M 245,639 +234,667 +2,139%
CCI
24
Columbus Circle Investors
$14.9M 218,943 +58,987 +37%
Geode Capital Management
25
Geode Capital Management
Massachusetts
$14.5M 212,911 +7,851 +4%
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