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Prothena Corp
PRTA

Overview Fund Activity

120 hedge funds and large institutions have $414M invested in Prothena Corp in 2018 Q4 according to their latest regulatory filings, with 19 funds opening new positions, 35 increasing their positions, 32 reducing their positions, and 29 closing their positions.

Holders
120
Holders Change
-10
Holders Change %
-7.69%
% of All Funds
2.68%
Holding in Top 10
2
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+100%
% of All Funds
0.04%
New
19
Increased
35
Reduced
32
Closed
29
Calls
$3.91M
Puts
$11.9M
Net Calls
-$7.97M
Net Calls Change
+$11.1M

Top Buyers

1
EC
1
EcoR1 Capital
California
$8.63M
2
SCM
2
Scopia Capital Management
New York
$47.6M
3
Citadel Advisors
3
Citadel Advisors
Florida
$12.3M
4
Dimensional Fund Advisors
4
Dimensional Fund Advisors
Texas
$13.1M
5
HT
5
HAP Trading
New York
$6.75M

Top Sellers

1
Wellington Management Group
1
Wellington Management Group
Massachusetts
$22M
2
Millennium Management
2
Millennium Management
New York
$731K
3
T. Rowe Price Associates
3
T. Rowe Price Associates
Maryland
$0
4
State Street
4
State Street
Massachusetts
$15.7M
5
Bank of America
5
Bank of America
North Carolina
$5.45M
Name Holding Trade Value Shares
Change 		Shares
Change %
Renaissance Technologies
101
Renaissance Technologies
New York
– -$751K -57,400 Closed
TCM
102
Traynor Capital Management
Pennsylvania
– -$318K -24,350 Closed
CG
103
Cutler Group
California
– -$248K -19,000 Closed
Marshall Wace
104
Marshall Wace
United Kingdom
– -$191K -14,633 Closed
OC
105
Oppenheimer & Co
New York
– -$140K -10,705 Closed
RJA
106
Raymond James & Associates
Florida
– -$135K -10,326 Closed
QT
107
Quantbot Technologies
New York
– -$112K -8,595 Closed
AAMU
108
Amundi Asset Management US
Massachusetts
– -$76K -5,800 Closed
OTC
109
Opera Trading Capital
France
– -$30K -2,304 Closed
GP
110
Girard Partners
Pennsylvania
– -$6K -514 Closed
SPIA
111
Steward Partners Investment Advisory
New York
– -$7K -500 Closed
Daiwa Securities Group
112
Daiwa Securities Group
Japan
– -$3K -212 Closed
WEC
113
Winslow Evans & Crocker
Massachusetts
– -$4K -200 Closed
Federated Hermes
114
Federated Hermes
Pennsylvania
– -$2K -166 Closed
MAM
115
Meeder Asset Management
Ohio
– -$1K -92 Closed
CAW
116
Cornerstone Advisors (Washington)
Washington
– -$1K -65 Closed
ClearBridge Investments
117
ClearBridge Investments
New York
– -$1K -24 Closed
PP
118
Paloma Partners
Connecticut
– -$349K – –
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