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Prothena Corp
PRTA

Overview Fund Activity

145 hedge funds and large institutions have $2.3B invested in Prothena Corp in 2017 Q2 according to their latest regulatory filings, with 17 funds opening new positions, 54 increasing their positions, 34 reducing their positions, and 18 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
145
Holders Change
-1
Holders Change %
-0.68%
% of All Funds
3.62%
Holding in Top 10
1
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-50%
% of All Funds
0.02%
New
17
Increased
54
Reduced
34
Closed
18
Calls
$9.05M
Puts
$10.9M
Net Calls
-$1.8M
Net Calls Change
+$702K

Top Buyers

1
Westfield Capital Management
1
Westfield Capital Management
Massachusetts
$37M
2
WIM
2
Woodford Investment Management
United Kingdom
$617M
3
PC
3
PointState Capital
New York
$14.7M
4
BlackRock
4
BlackRock
New York
$160M
5
Wellington Management Group
5
Wellington Management Group
Massachusetts
$177M

Top Sellers

1
RG
1
Redmile Group
California
$27.6M
2
GTC
2
Ghost Tree Capital
New York
$0
3
HCMT
3
Highland Capital Management (Texas)
Texas
$0
4
T. Rowe Price Associates
4
T. Rowe Price Associates
Maryland
$239M
5
AAMU
5
Amundi Asset Management US
Massachusetts
$3.14M
Name Holding Trade Value Shares
Change 		Shares
Change %
Citadel Advisors
26
Citadel Advisors
Florida
$13.2M -$2.21M -40,855 -14%
VOYA Investment Management
27
VOYA Investment Management
Georgia
$13.1M +$507K +9,374 +4%
HRCM
28
Hood River Capital Management
Florida
$10.5M +$278K +5,138 +3%
Bank of New York Mellon
29
Bank of New York Mellon
New York
$10M +$730K +13,492 +8%
O
30
OppenheimerFunds
New York
$9.12M -$2.92K -54 -0%
Charles Schwab
31
Charles Schwab
California
$8.86M +$532K +9,824 +6%
SAM
32
Sectoral Asset Management
Quebec, Canada
$8.18M +$541K +10,000 +7%
Axa
33
Axa
France
$7.93M -$295K -5,452 -4%
CS
34
Credit Suisse
Switzerland
$6.76M -$1.24M -22,824 -15%
Deutsche Bank
35
Deutsche Bank
Germany
$6.58M +$2.17M +40,195 +49%
TCIM
36
TIAA CREF Investment Management
New York
$6.53M +$499K +9,217 +8%
EAM
37
Eventide Asset Management
Massachusetts
$6.49M – – –
AC
38
Ascend Capital
California
$5.76M +$5.76M +106,400 New
JPMorgan Chase & Co
39
JPMorgan Chase & Co
New York
$5.47M +$586K +10,822 +12%
ERSOT
40
Employees Retirement System of Texas
Texas
$4.93M – – –
OM
41
Opaleye Management
Massachusetts
$4.6M -$114K -2,100 -2%
HIM
42
Hillhouse Investment Management
Cayman Islands
$4.06M – – –
TA
43
Teachers Advisors
New York
$3.78M -$39K -720 -1%
Morgan Stanley
44
Morgan Stanley
New York
$3.71M -$781K -14,439 -17%
California State Teachers Retirement System (CalSTRS)
45
California State Teachers Retirement System (CalSTRS)
California
$3.68M -$19.7K -364 -0.5%
PIM
46
Platinum Investment Management
Australia
$3.6M +$276K +5,100 +8%
Swiss National Bank
47
Swiss National Bank
Switzerland
$3.37M – – –
California Public Employees Retirement System
48
California Public Employees Retirement System
California
$3.23M +$70.4K +1,300 +2%
AAMU
49
Amundi Asset Management US
Massachusetts
$3.14M -$3.13M -57,888 -50%
GC
50
Guggenheim Capital
Illinois
$3.07M -$373K -6,893 -11%
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