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Prothena Corp
PRTA

Overview Fund Activity

130 hedge funds and large institutions have $533M invested in Prothena Corp in 2018 Q3 according to their latest regulatory filings, with 21 funds opening new positions, 29 increasing their positions, 33 reducing their positions, and 16 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
130
Holders Change
+5
Holders Change %
+4%
% of All Funds
2.98%
Holding in Top 10
1
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.02%
New
21
Increased
29
Reduced
33
Closed
16
Calls
$3.99M
Puts
$23M
Net Calls
-$19M
Net Calls Change
-$22.2M

Top Buyers

1
Bank of America
1
Bank of America
North Carolina
$11.4M
2
Dimensional Fund Advisors
2
Dimensional Fund Advisors
Texas
$12.4M
3
SCM
3
Scopia Capital Management
New York
$51.2M
4
HT
4
HAP Trading
New York
$4.66M
5
MWNA
5
Marshall Wace North America
New York
$2.71M

Top Sellers

1
State Street
1
State Street
Massachusetts
$25.3M
2
DM
2
Deerfield Management
New York
$0
3
Fidelity Investments
3
Fidelity Investments
Massachusetts
$66M
4
T. Rowe Price Associates
4
T. Rowe Price Associates
Maryland
$6.09M
5
Vanguard Group
5
Vanguard Group
Pennsylvania
$10.1M
Name Holding Trade Value Shares
Change 		Shares
Change %
Federated Hermes
101
Federated Hermes
Pennsylvania
$2K -$1.19K -99 -37%
First Manhattan
102
First Manhattan
New York
$2K +$2K +200 New
ClearBridge Investments
103
ClearBridge Investments
New York
$1K – – –
LJHT
104
Laurie J. Hall Trustee
$1K – – –
CAW
105
Cornerstone Advisors (Washington)
Washington
$1K – – –
PFGIA
106
Patriot Financial Group Insurance Agency
Massachusetts
$1K +$1K +4 New
FHB
107
First Hawaiian Bank
Hawaii
$1K +$1K +45 New
MAM
108
Meeder Asset Management
Ohio
$1K +$1K +92 New
DM
109
Deerfield Management
New York
– -$9.16M -628,262 Closed
ERSOT
110
Employees Retirement System of Texas
Texas
– -$1.65M -113,000 Closed
PCM
111
Price Capital Management
Louisiana
– -$689K -47,232 Closed
Balyasny Asset Management
112
Balyasny Asset Management
Illinois
– -$461K -31,611 Closed
FRM
113
Fox Run Management
Connecticut
– -$381K -26,113 Closed
BIM
114
Bogle Investment Management
Massachusetts
– -$296K -20,304 Closed
SAM
115
Senzar Asset Management
New York
– -$249K -17,090 Closed
AQR Capital Management
116
AQR Capital Management
Connecticut
– -$242K -16,630 Closed
Jane Street
117
Jane Street
New York
– -$152K -10,417 Closed
SG Americas Securities
118
SG Americas Securities
New York
– -$102K -7,010 Closed
PIA
119
Piedmont Investment Advisors
North Carolina
– -$10K -698 Closed
STA
120
Summit Trail Advisors
New York
– -$9K -605 Closed
GWM
121
Geneos Wealth Management
Colorado
– -$1K -79 Closed
CIBC Private Wealth Group
122
CIBC Private Wealth Group
Georgia
– -$1K -49 Closed
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5