PRTA icon

Prothena Corp
PRTA

Overview Fund Activity

124 hedge funds and large institutions have $1.02B invested in Prothena Corp in 2015 Q1 according to their latest regulatory filings, with 14 funds opening new positions, 44 increasing their positions, 25 reducing their positions, and 17 closing their positions.

Holders
124
Holders Change
-3
Holders Change %
-2.36%
% of All Funds
3.31%
Holding in Top 10
2
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+100%
% of All Funds
0.05%
New
14
Increased
44
Reduced
25
Closed
17
Calls
$4.7M
Puts
$9.69M
Net Calls
-$4.99M
Net Calls Change
-$3.81M

Top Buyers

1
Westfield Capital Management
1
Westfield Capital Management
Massachusetts
$66.2M
2
WIM
2
Woodford Investment Management
United Kingdom
$141M
3
VAM
3
Visium Asset Management
New York
$11.5M
4
Invesco
4
Invesco
Georgia
$10.1M
5
TI
5
Turner Investments
Pennsylvania
$9.54M

Top Sellers

1
PC
1
PointState Capital
New York
$0
2
NI
2
Numeric Investors
Massachusetts
$0
3
PA
3
Perceptive Advisors
New York
$0
4
Millennium Management
4
Millennium Management
New York
$28.2M
5
Jennison Associates
5
Jennison Associates
New York
$22M
Name Market Value Shares Shares
Change 		Shares
Change %
Fidelity Investments
1
Fidelity Investments
Massachusetts
$157M 4,109,930 +2,312 +0.1%
WIM
2
Woodford Investment Management
United Kingdom
$141M 3,708,171 +470,808 +15%
T. Rowe Price Associates
3
T. Rowe Price Associates
Maryland
$131M 3,439,296 +2,800 +0.1%
Wellington Management Group
4
Wellington Management Group
Massachusetts
$95.4M 2,500,712 -8,330 -0.3%
Westfield Capital Management
5
Westfield Capital Management
Massachusetts
$66.2M 1,734,928 +656,378 +61%
Capital World Investors
6
Capital World Investors
California
$48.2M 1,263,214 – –
State Street
7
State Street
Massachusetts
$45.4M 1,189,576 +39,879 +3%
BFA
8
BlackRock Fund Advisors
California
$40.9M 1,071,514 +15,843 +2%
Millennium Management
9
Millennium Management
New York
$28.2M 738,429 -128,617 -15%
PAI
10
Palo Alto Investors
California
$26.5M 695,918 +4,700 +0.7%
Jennison Associates
11
Jennison Associates
New York
$22M 576,292 -124,462 -18%
BIT
12
BlackRock Institutional Trust
California
$20.7M 544,021 +100,053 +23%
Northern Trust
13
Northern Trust
Illinois
$16.2M 424,632 +14,215 +3%
Vanguard Group
14
Vanguard Group
Pennsylvania
$15M 393,645 +18,392 +5%
VAM
15
Visium Asset Management
New York
$11.5M 302,039 +302,039 New
Invesco
16
Invesco
Georgia
$10.1M 264,751 +253,505 +2,254%
TI
17
Turner Investments
Pennsylvania
$9.54M 249,990 +116,750 +88%
RSCM
18
Rock Springs Capital Management
Maryland
$9.06M 237,500 +35,000 +17%
TA
19
Teachers Advisors
New York
$7.44M 195,175 -48,133 -20%
GC
20
Guggenheim Capital
Illinois
$7.29M 191,066 -10,516 -5%
Norges Bank
21
Norges Bank
Norway
$7.22M 189,264 -597 -0.3%
Geode Capital Management
22
Geode Capital Management
Massachusetts
$6.29M 164,913 +11,086 +7%
Prudential Financial
23
Prudential Financial
New Jersey
$6.19M 162,170 +2,500 +2%
Bank of New York Mellon
24
Bank of New York Mellon
New York
$5.79M 151,785 +12,347 +9%
CCP
25
Clough Capital Partners
Massachusetts
$5.54M 145,200 +12,200 +9%
1
2 3 4 5