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Prothena Corp
PRTA

Overview Fund Activity

118 hedge funds and large institutions have $832M invested in Prothena Corp in 2014 Q1 according to their latest regulatory filings, with 29 funds opening new positions, 42 increasing their positions, 23 reducing their positions, and 17 closing their positions.

Holders
118
Holders Change
+11
Holders Change %
+10.28%
% of All Funds
3.41%
Holding in Top 10
2
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.06%
New
29
Increased
42
Reduced
23
Closed
17
Calls
$8.75M
Puts
$9.26M
Net Calls
-$515K
Net Calls Change
-$2.3M

Top Buyers

1
Fidelity Investments
1
Fidelity Investments
Massachusetts
$149M
2
Capital World Investors
2
Capital World Investors
California
$31.7M
3
T. Rowe Price Associates
3
T. Rowe Price Associates
Maryland
$86.4M
4
O
4
OrbiMed
New York
$72.4M
5
Millennium Management
5
Millennium Management
New York
$28.4M

Top Sellers

1
Westfield Capital Management
1
Westfield Capital Management
Massachusetts
$19.7M
2
DM
2
Deerfield Management
New York
$0
3
Adage Capital Partners
3
Adage Capital Partners
Massachusetts
$31.3M
4
BBA
4
Baker Bros. Advisors
New York
$8.82M
5
RCM
5
RA Capital Management
Massachusetts
$59.6M
Name Holding Trade Value Shares
Change 		Shares
Change %
Bank of Montreal
101
Bank of Montreal
Ontario, Canada
$3K +$1K +24 +50%
LTFS
102
Ladenburg Thalmann Financial Services
Florida
$2K – – –
JIC
103
Joel Isaacson & Co
New York
$2K – – –
MFS
104
MSI Financial Services
Massachusetts
$1K – – –
GI
105
Gradient Investments
Minnesota
$1K – – –
WT
106
Whittier Trust
California
$1K – – –
PSI
107
Pinnacle Summer Investments
Virginia
$1K – – –
CFA
108
Camarda Financial Advisors
Florida
$1K +$1K +17 New
Manulife (Manufacturers Life Insurance)
109
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$397 +$6 +152 +1%
DM
110
Deerfield Management
New York
– -$14M -528,705 Closed
Arrowstreet Capital
111
Arrowstreet Capital
Massachusetts
– -$940K -35,446 Closed
Susquehanna International Group
112
Susquehanna International Group
Pennsylvania
– -$883K -33,320 Closed
BIM
113
Bogle Investment Management
Massachusetts
– -$611K -23,047 Closed
Jane Street
114
Jane Street
New York
– -$521K -19,635 Closed
DAM
115
Deltec Asset Management
New York
– -$510K -19,219 Closed
SM
116
Sabby Management
Florida
– -$504K -19,000 Closed
BOS
117
Bingham Osborn & Scarborough
California
– -$349K -13,145 Closed
JPMorgan Chase & Co
118
JPMorgan Chase & Co
New York
– -$260K -9,820 Closed
APG Asset Management
119
APG Asset Management
Netherlands
– -$253K -9,533 Closed
MME
120
Meag Munich Ergo
Germany
– -$126K -4,685 Closed
KBC Group
121
KBC Group
Belgium
– -$47K -1,763 Closed
HNB
122
Huntington National Bank
Ohio
– -$2K -73 Closed
Macquarie Group
123
Macquarie Group
Australia
– -$1K -42 Closed
Credit Agricole
124
Credit Agricole
France
– -$1K -22 Closed
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