PRTA icon

Prothena Corp
PRTA

Overview Fund Activity

132 hedge funds and large institutions have $531M invested in Prothena Corp in 2014 Q2 according to their latest regulatory filings, with 39 funds opening new positions, 50 increasing their positions, 18 reducing their positions, and 25 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
132
Holders Change
+14
Holders Change %
+11.86%
% of All Funds
3.8%
Holding in Top 10
1
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-50%
% of All Funds
0.03%
New
39
Increased
50
Reduced
18
Closed
25
Calls
$6.8M
Puts
$5.51M
Net Calls
+$1.29M
Net Calls Change
+$1.8M

Top Buyers

1
Bank of America
1
Bank of America
North Carolina
$37.3M
2
Wellington Management Group
2
Wellington Management Group
Massachusetts
$53.3M
3
State Street
3
State Street
Massachusetts
$20.3M
4
T. Rowe Price Associates
4
T. Rowe Price Associates
Maryland
$66.2M
5
Westfield Capital Management
5
Westfield Capital Management
Massachusetts
$23.9M

Top Sellers

1
O
1
OrbiMed
New York
$0
2
RCM
2
RA Capital Management
Massachusetts
$0
3
Fidelity Investments
3
Fidelity Investments
Massachusetts
$62.1M
4
PHS
4
PFM Health Sciences
California
$0
5
CAM
5
Cormorant Asset Management
Massachusetts
$0
Name Holding Trade Value Shares
Change 		Shares
Change %
PC
126
PointState Capital
New York
– -$3.07M -80,000 Closed
JG
127
Jefferies Group
New York
– -$2.5M -65,350 Closed
EAM
128
Eventide Asset Management
Massachusetts
– -$2.23M -58,300 Closed
ACM
129
Atika Capital Management
New York
– -$2.2M -57,500 Closed
SFM
130
Sphera Funds Management
Israel
– -$2.11M -55,000 Closed
WC
131
Wexford Capital
Florida
– -$1.85M -48,195 Closed
ARC
132
Absolute Return Capital
Massachusetts
– -$1.06M -27,665 Closed
IHM
133
Iguana Healthcare Management
New York
– -$958K -25,000 Closed
PIM
134
Partner Investment Management
California
– -$815K -21,273 Closed
CCMH
135
Cornerstone Capital Management Holdings
New York
– -$578K -15,100 Closed
YMRC
136
Yorktown Management & Research Company
Virginia
– -$398K -10,400 Closed
LIM
137
Leavell Investment Management
Alabama
– -$394K -10,284 Closed
QSS
138
Quantitative Systematic Strategies
Florida
– -$377K -10,260 Closed
NA
139
Navellier & Associates
Nevada
– -$271K -7,065 Closed
GCP
140
GSA Capital Partners
United Kingdom
– -$249K -6,500 Closed
PAM
141
Panagora Asset Management
Massachusetts
– -$222K -5,788 Closed
FMT
142
First Mercantile Trust
Tennessee
– -$189K -4,945 Closed
QT
143
Quantbot Technologies
New York
– -$45K -1,200 Closed
2 3 4 5
6