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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 %
AQR Capital Management
51
AQR Capital Management
Connecticut
$1.41M – – –
State of Wisconsin Investment Board
52
State of Wisconsin Investment Board
Wisconsin
$1.39M – – –
EAM
53
Eventide Asset Management
Massachusetts
$1.36M -$3.05M -83,000 -69%
RhumbLine Advisers
54
RhumbLine Advisers
Massachusetts
$1.34M -$78K -2,125 -6%
Russell Investments Group
55
Russell Investments Group
United Kingdom
$1.18M +$365K +9,955 +45%
BG
56
Bellevue Group
Switzerland
$1.13M -$18.4K -500 -2%
Manulife (Manufacturers Life Insurance)
57
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$1.03M -$11.1K -302 -1%
Wells Fargo
58
Wells Fargo
California
$1.01M -$10.7K -291 -1%
Fisher Asset Management
59
Fisher Asset Management
Washington
$1.01M – – –
TI
60
Trexquant Investment
Connecticut
$972K +$972K +26,465 New
AIG
61
American International Group
New York
$911K -$38.4K -1,045 -4%
GPCM
62
Granite Point Capital Management
Massachusetts
$910K -$191K -5,200 -17%
Credit Agricole
63
Credit Agricole
France
$901K +$901K +24,510 New
SM
64
Sabby Management
Florida
$899K -$8.44K -230 -0.9%
ProShare Advisors
65
ProShare Advisors
Maryland
$836K -$133K -3,631 -14%
Bank of America
66
Bank of America
North Carolina
$764K +$248K +6,756 +48%
VEA
67
Virtus ETF Advisers
New York
$751K +$400K +10,904 +114%
State Board of Administration of Florida Retirement System
68
State Board of Administration of Florida Retirement System
Florida
$736K +$5.65K +154 +0.8%
Group One Trading
69
Group One Trading
Illinois
$630K +$509K +13,872 +422%
DekaBank Deutsche Girozentrale
70
DekaBank Deutsche Girozentrale
Germany
$579K -$230K -6,300 -28%
Legal & General Group
71
Legal & General Group
United Kingdom
$520K -$96.1K -2,618 -16%
PPA
72
Parametric Portfolio Associates
Washington
$496K +$70K +1,906 +16%
Invesco
73
Invesco
Georgia
$477K -$8.93M -243,452 -95%
EMG
74
Ellington Management Group
Connecticut
$430K +$430K +11,700 New
BNP Paribas Financial Markets
75
BNP Paribas Financial Markets
France
$399K +$9.55K +260 +2%
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3
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