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Prothena Corp
PRTA

Overview Fund Activity

127 hedge funds and large institutions have $508M invested in Prothena Corp in 2014 Q3 according to their latest regulatory filings, with 17 funds opening new positions, 42 increasing their positions, 38 reducing their positions, and 21 closing their positions.

Holders
127
Holders Change
-5
Holders Change %
-3.79%
% of All Funds
3.69%
Holding in Top 10
–
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-100%
% of All Funds
–
New
17
Increased
42
Reduced
38
Closed
21
Calls
$10.3M
Puts
$7.38M
Net Calls
+$2.89M
Net Calls Change
+$1.61M

Top Buyers

1
Fidelity Investments
1
Fidelity Investments
Massachusetts
$91M
2
PC
2
PointState Capital
New York
$12.2M
3
Capital World Investors
3
Capital World Investors
California
$28M
4
Northern Trust
4
Northern Trust
Illinois
$8.77M
5
BFA
5
BlackRock Fund Advisors
California
$21.2M

Top Sellers

1
Bank of America
1
Bank of America
North Carolina
$300K
2
TC
2
TFS Capital
Pennsylvania
$0
3
JHIU
3
Janus Henderson Investors US
Colorado
$0
4
Norges Bank
4
Norges Bank
Norway
$5.54M
5
Adage Capital Partners
5
Adage Capital Partners
Massachusetts
$6.65M
Name Market Value Shares Shares
Change 		Shares
Change %
Fidelity Investments
1
Fidelity Investments
Massachusetts
$91M 4,106,390 +1,353,098 +49%
T. Rowe Price Associates
2
T. Rowe Price Associates
Maryland
$65.3M 2,946,196 +10,200 +0.3%
Wellington Management Group
3
Wellington Management Group
Massachusetts
$52.9M 2,387,293 +23,097 +1%
Capital World Investors
4
Capital World Investors
California
$28M 1,263,214 +251,735 +25%
Westfield Capital Management
5
Westfield Capital Management
Massachusetts
$25.7M 1,158,395 +96,575 +9%
State Street
6
State Street
Massachusetts
$22.5M 1,015,637 +116,268 +13%
BFA
7
BlackRock Fund Advisors
California
$21.2M 957,223 +154,469 +19%
Jennison Associates
8
Jennison Associates
New York
$17.5M 790,179 -84,615 -10%
PAI
9
Palo Alto Investors
California
$14.9M 673,818 +139,800 +26%
Millennium Management
10
Millennium Management
New York
$14.7M 664,850 -25,281 -4%
PC
11
PointState Capital
New York
$12.2M 550,000 +550,000 New
TCIM
12
TIAA CREF Investment Management
New York
$9.17M 413,973 +10,365 +3%
Vanguard Group
13
Vanguard Group
Pennsylvania
$8.91M 402,226 +45,110 +13%
Northern Trust
14
Northern Trust
Illinois
$8.77M 395,801 +215,243 +119%
BIT
15
BlackRock Institutional Trust
California
$6.94M 313,080 +28,168 +10%
Adage Capital Partners
16
Adage Capital Partners
Massachusetts
$6.65M 300,000 -249,186 -45%
PA
17
Perceptive Advisors
New York
$6.65M 300,000 -183,162 -38%
Norges Bank
18
Norges Bank
Norway
$5.54M 249,946 -249,946 -50%
TA
19
Teachers Advisors
New York
$5M 225,702 +35,700 +19%
GC
20
Guggenheim Capital
Illinois
$4.77M 215,405 -27,606 -11%
RSCM
21
Rock Springs Capital Management
Maryland
$4.49M 202,500 +52,500 +35%
NI
22
Numeric Investors
Massachusetts
$4.29M 193,558 -56,164 -22%
American Century Companies
23
American Century Companies
Missouri
$3.88M 174,865 +107,571 +160%
Prudential Financial
24
Prudential Financial
New Jersey
$3.78M 170,370 +98,800 +138%
Geode Capital Management
25
Geode Capital Management
Massachusetts
$3.75M 169,137 +23,968 +17%
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