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Prothena Corp
PRTA

Overview Fund Activity

144 hedge funds and large institutions have $1.48B invested in Prothena Corp in 2016 Q1 according to their latest regulatory filings, with 20 funds opening new positions, 63 increasing their positions, 34 reducing their positions, and 35 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
144
Holders Change
-17
Holders Change %
-10.56%
% of All Funds
3.84%
Holding in Top 10
2
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-33.33%
% of All Funds
0.05%
New
20
Increased
63
Reduced
34
Closed
35
Calls
$10.5M
Puts
$12.3M
Net Calls
-$1.82M
Net Calls Change
+$400K

Top Buyers

1
WIM
Woodford Investment Management
United Kingdom
$383M
2
Wellington Management Group
Wellington Management Group
Massachusetts
$132M
3
Fidelity Investments
Fidelity Investments
Massachusetts
$212M
4
State Street
State Street
Massachusetts
$50.4M
5
SAM
Sectoral Asset Management
Quebec, Canada
$16.4M

Top Sellers

1
Citadel Advisors
Citadel Advisors
Florida
$0
2
Deutsche Bank
Deutsche Bank
Germany
$2.62M
3
Lord, Abbett & Co
Lord, Abbett & Co
New Jersey
$0
4
BNP Paribas Asset Management
BNP Paribas Asset Management
France
$0
5
Renaissance Technologies
Renaissance Technologies
New York
$0
Name Holding Trade Value Shares
Change 		Shares
Change %
BKA
126
Brick & Kyle Associates
Pennsylvania
$1K – – –
WT
127
Whittier Trust
California
$1K – – –
Northwestern Mutual Wealth Management
128
Northwestern Mutual Wealth Management
Wisconsin
$1K +$1K +13 New
TSW
129
Thompson Siegel & Walmsley
Virginia
$1K +$1K +21 New
Nuveen Asset Management
130
Nuveen Asset Management
Illinois
$534 +$534 +12,981 New
Citadel Advisors
131
Citadel Advisors
Florida
– -$32M -469,605 Closed
Lord, Abbett & Co
132
Lord, Abbett & Co
New Jersey
– -$10.4M -152,484 Closed
BNP Paribas Asset Management
133
BNP Paribas Asset Management
France
– -$8.22M -120,667 Closed
Renaissance Technologies
134
Renaissance Technologies
New York
– -$6.17M -90,600 Closed
GTC
135
Ghost Tree Capital
New York
– -$6.13M -90,000 Closed
EI
136
EAM Investors
California
– -$4.34M -63,746 Closed
CCP
137
Clough Capital Partners
Massachusetts
– -$2.62M -38,400 Closed
Ameriprise
138
Ameriprise
Minnesota
– -$2.23M -32,695 Closed
Two Sigma Investments
139
Two Sigma Investments
New York
– -$1.75M -25,726 Closed
HI
140
HBK Investments
Texas
– -$1.13M -16,600 Closed
TCM
141
Traynor Capital Management
Pennsylvania
– -$1.1M -16,123 Closed
WSA
142
Wall Street Associates
California
– -$1.05M -15,411 Closed
Simplex Trading
143
Simplex Trading
Illinois
– -$1.03M -15,147 Closed
ACM
144
Atika Capital Management
New York
– -$1.02M -15,000 Closed
Neuberger Berman Group
145
Neuberger Berman Group
New York
– -$987K -14,490 Closed
Two Sigma Advisers
146
Two Sigma Advisers
New York
– -$688K -10,100 Closed
PP
147
Paloma Partners
Connecticut
– -$424K -6,233 Closed
CSS
148
Cubist Systematic Strategies
Connecticut
– -$339K -4,978 Closed
Squarepoint
149
Squarepoint
New York
– -$334K -4,900 Closed
QSS
150
Quantitative Systematic Strategies
Florida
– -$312K -4,484 Closed
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