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Prothena Corp
PRTA

Overview Fund Activity

147 hedge funds and large institutions have $1.42B invested in Prothena Corp in 2015 Q3 according to their latest regulatory filings, with 20 funds opening new positions, 47 increasing their positions, 45 reducing their positions, and 11 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
147
Holders Change
+9
Holders Change %
+6.52%
% of All Funds
4.11%
Holding in Top 10
2
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-33.33%
% of All Funds
0.06%
New
20
Increased
47
Reduced
45
Closed
11
Calls
$13.1M
Puts
$9.59M
Net Calls
+$3.55M
Net Calls Change
+$1.99M

Top Buyers

1
WIM
1
Woodford Investment Management
United Kingdom
$281M
2
Citadel Advisors
2
Citadel Advisors
Florida
$37.4M
3
BB
3
BB Biotech
Switzerland
$14.5M
4
Deutsche Bank
4
Deutsche Bank
Germany
$11.2M
5
Axa
5
Axa
France
$8.25M

Top Sellers

1
Westfield Capital Management
1
Westfield Capital Management
Massachusetts
$44.8M
2
T. Rowe Price Associates
2
T. Rowe Price Associates
Maryland
$141M
3
Marshall Wace
3
Marshall Wace
United Kingdom
$0
4
Millennium Management
4
Millennium Management
New York
$12.9M
5
CCI
5
Columbus Circle Investors
$7.25M
Name Holding Trade Value Shares
Change 		Shares
Change %
Renaissance Technologies
51
Renaissance Technologies
New York
$1.65M +$1.65M +36,400 New
UBS Group
52
UBS Group
Switzerland
$1.41M +$23.5K +518 +2%
Ameriprise
53
Ameriprise
Minnesota
$1.4M -$613K -13,523 -30%
American Century Companies
54
American Century Companies
Missouri
$1.36M +$1.36M +30,011 New
New York State Common Retirement Fund
55
New York State Common Retirement Fund
New York
$1.35M -$116K -2,560 -8%
California Public Employees Retirement System
56
California Public Employees Retirement System
California
$1.32M +$299K +6,600 +29%
RhumbLine Advisers
57
RhumbLine Advisers
Massachusetts
$1.3M +$43K +949 +3%
NI
58
Numeric Investors
Massachusetts
$1.29M +$1.29M +28,400 New
ProShare Advisors
59
ProShare Advisors
Maryland
$1.22M -$92.1K -2,031 -7%
GCP
60
GSA Capital Partners
United Kingdom
$1.22M +$1.02M +22,539 +527%
HCM
61
Highbridge Capital Management
New York
$1.06M +$1.06M +23,388 New
RFC
62
Russell Frank Company
Washington
$930K -$970K -21,391 -51%
NFA
63
Nationwide Fund Advisors
Ohio
$914K -$4.81K -106 -0.5%
Fisher Asset Management
64
Fisher Asset Management
Washington
$863K +$863K +19,040 New
QIM
65
Quantitative Investment Management
Virginia
$834K +$249K +5,500 +43%
AIG
66
American International Group
New York
$832K +$952 +21 +0.1%
Morgan Stanley
67
Morgan Stanley
New York
$768K +$298K +6,560 +63%
Point72 Asset Management
68
Point72 Asset Management
Connecticut
$766K -$2.04M -45,100 -73%
State Board of Administration of Florida Retirement System
69
State Board of Administration of Florida Retirement System
Florida
$751K +$51.1K +1,126 +7%
WSA
70
Wall Street Associates
California
$717K +$717K +15,811 New
DekaBank Deutsche Girozentrale
71
DekaBank Deutsche Girozentrale
Germany
$714K +$38.5K +850 +6%
TCM
72
Traynor Capital Management
Pennsylvania
$711K +$447K +9,870 +169%
Goldman Sachs
73
Goldman Sachs
New York
$695K +$55K +1,212 +9%
BAMS
74
Bellevue Asset Management (Switzerland)
Switzerland
$680K +$90.7K +2,000 +15%
CCA
75
Checchi Capital Advisers
California
$636K – – –
1 2
3
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