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Prothena Corp
PRTA

Overview Fund Activity

142 hedge funds and large institutions have $1.55B invested in Prothena Corp in 2018 Q1 according to their latest regulatory filings, with 25 funds opening new positions, 45 increasing their positions, 37 reducing their positions, and 36 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
142
Holders Change
-13
Holders Change %
-8.39%
% of All Funds
3.26%
Holding in Top 10
1
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.02%
New
25
Increased
45
Reduced
37
Closed
36
Calls
$64M
Puts
$20.6M
Net Calls
+$43.4M
Net Calls Change
+$43.9M

Top Buyers

1
Millennium Management
1
Millennium Management
New York
$32M
2
State Street
2
State Street
Massachusetts
$64.1M
3
CLM
3
ClearBridge LLC (Maryland)
Maryland
$10M
4
MWNA
4
Marshall Wace North America
New York
$7.31M
5
CCM
5
Camber Capital Management
Massachusetts
$9.18M

Top Sellers

1
Capital World Investors
1
Capital World Investors
California
$5.58M
2
T. Rowe Price Associates
2
T. Rowe Price Associates
Maryland
$208M
3
Jennison Associates
3
Jennison Associates
New York
$0
4
Westfield Capital Management
4
Westfield Capital Management
Massachusetts
$11.4M
5
PC
5
PointState Capital
New York
$0
Name Holding Trade Value Shares
Change 		Shares
Change %
Jane Street
76
Jane Street
New York
$394K +$394K +10,730 New
Balyasny Asset Management
77
Balyasny Asset Management
Illinois
$345K +$345K +9,409 New
OAM
78
Oxford Asset Management
United Kingdom
$332K +$332K +9,032 New
Ameriprise
79
Ameriprise
Minnesota
$328K +$328K +8,928 New
Teacher Retirement System of Texas
80
Teacher Retirement System of Texas
Texas
$312K -$160K -4,341 -34%
OC
81
Oppenheimer & Co
New York
$284K +$284K +7,755 New
Tudor Investment Corp
82
Tudor Investment Corp
Connecticut
$274K +$274K +7,463 New
Royal Bank of Canada
83
Royal Bank of Canada
Ontario, Canada
$269K -$179K -4,888 -40%
FWM
84
Focused Wealth Management
New York
$262K +$36.6K +1,000 +16%
Public Employees Retirement Association of Colorado
85
Public Employees Retirement Association of Colorado
Colorado
$254K – – –
Principal Financial Group
86
Principal Financial Group
Iowa
$253K -$191K -5,181 -43%
USAA
87
United Services Automobile Association
Texas
$235K +$235K +6,403 New
Holocene Advisors
88
Holocene Advisors
New York
$234K +$31.9K +868 +16%
AG
89
Aperio Group
California
$222K +$222K +6,054 New
SG Americas Securities
90
SG Americas Securities
New York
$221K +$48.2K +1,312 +28%
XK
91
Xact Kapitalforvaltning
Sweden
$210K +$210K +5,723 New
LPL Financial
92
LPL Financial
California
$210K +$210K +5,734 New
CG
93
Cutler Group
California
$169K -$15.6K -426 -8%
PNC Financial Services Group
94
PNC Financial Services Group
Pennsylvania
$137K -$61.1K -1,660 -31%
AIP
95
Ameritas Investment Partners
Nebraska
$119K – – –
Zurich Cantonal Bank
96
Zurich Cantonal Bank
Switzerland
$117K – – –
QT
97
Quantbot Technologies
New York
$110K -$65.6K -1,791 -37%
TRCT
98
Tower Research Capital (TRC)
New York
$96K +$74.6K +2,023 +349%
BDWM
99
Brewin Dolphin Wealth Management
Ireland
$76.2K – – –
FPS
100
Fieldpoint Private Securities
Connecticut
$73K – – –
2 3
4
5 6