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Prothena Corp
PRTA

Overview Fund Activity

127 hedge funds and large institutions have $542M invested in Prothena Corp in 2014 Q4 according to their latest regulatory filings, with 24 funds opening new positions, 38 increasing their positions, 32 reducing their positions, and 22 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
127
Holders Change
–
Holders Change %
0%
% of All Funds
3.39%
Holding in Top 10
1
Holding in Top 10 Change
+1
Holding in Top 10 Change %
%
% of All Funds
0.03%
New
24
Increased
38
Reduced
32
Closed
22
Calls
$3.1M
Puts
$4.28M
Net Calls
-$1.18M
Net Calls Change
-$4.07M

Top Buyers

1
T. Rowe Price Associates
1
T. Rowe Price Associates
Maryland
$71.3M
2
Millennium Management
2
Millennium Management
New York
$18M
3
NI
3
Numeric Investors
Massachusetts
$7.44M
4
State Street
4
State Street
Massachusetts
$23.9M
5
BIT
5
BlackRock Institutional Trust
California
$9.22M

Top Sellers

1
Adage Capital Partners
1
Adage Capital Partners
Massachusetts
$0
2
TCIM
2
TIAA CREF Investment Management
New York
$2.06M
3
Arrowstreet Capital
3
Arrowstreet Capital
Massachusetts
$0
4
OM
4
Opaleye Management
Massachusetts
$0
5
PC
5
PointState Capital
New York
$8.3M
Name Holding Trade Value Shares
Change 		Shares
Change %
ERSOT
26
Employees Retirement System of Texas
Texas
$2.78M +$706K +34,000 +34%
TI
27
Turner Investments
Pennsylvania
$2.77M +$111K +5,330 +4%
CCP
28
Clough Capital Partners
Massachusetts
$2.76M +$654K +31,500 +31%
Morgan Stanley
29
Morgan Stanley
New York
$2.47M +$2.19M +105,355 +770%
PI
30
Putnam Investments
Massachusetts
$2.2M +$2.2M +105,817 New
TCIM
31
TIAA CREF Investment Management
New York
$2.06M -$6.53M -314,633 -76%
JPMorgan Chase & Co
32
JPMorgan Chase & Co
New York
$1.82M +$1.82M +87,825 New
BIM
33
BlackRock Investment Management
Delaware
$1.76M -$14.9K -719 -0.8%
BA
34
BlackRock Advisors
Delaware
$1.69M +$416K +20,032 +33%
Susquehanna International Group
35
Susquehanna International Group
Pennsylvania
$1.41M -$1.21M -58,115 -46%
CS
36
Credit Suisse
Switzerland
$1.35M +$176K +8,481 +15%
WMSA
37
Weiss Multi-Strategy Advisers
New York
$1.35M – – –
D.E. Shaw & Co
38
D.E. Shaw & Co
New York
$1.33M +$1.33M +64,177 New
SFM
39
Sphera Funds Management
Israel
$1.3M +$679K +32,725 +109%
SGAM
40
Smith Group Asset Management
Texas
$1.09M +$1.06M +50,880 +3,461%
Goldman Sachs
41
Goldman Sachs
New York
$1.05M -$131K -6,295 -11%
California State Teachers Retirement System (CalSTRS)
42
California State Teachers Retirement System (CalSTRS)
California
$1.03M +$4.36K +210 +0.4%
Deutsche Bank
43
Deutsche Bank
Germany
$1.02M -$840K -40,505 -45%
Charles Schwab
44
Charles Schwab
California
$1M – – –
MIG
45
Mariner Investment Group
New York
$905K +$444K +21,400 +96%
AllianceBernstein
46
AllianceBernstein
Tennessee
$749K – – –
GIM
47
Granahan Investment Management
Massachusetts
$704K – – –
Swiss National Bank
48
Swiss National Bank
Switzerland
$695K +$695K +33,500 New
RhumbLine Advisers
49
RhumbLine Advisers
Massachusetts
$617K +$62.8K +3,025 +11%
Connor, Clark & Lunn Investment Management (CC&L)
50
Connor, Clark & Lunn Investment Management (CC&L)
British Columbia, Canada
$583K +$394K +19,000 +209%
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