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Prothena Corp
PRTA

Overview Fund Activity

161 hedge funds and large institutions have $2.13B invested in Prothena Corp in 2015 Q4 according to their latest regulatory filings, with 28 funds opening new positions, 65 increasing their positions, 40 reducing their positions, and 13 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
161
Holders Change
+14
Holders Change %
+9.52%
% of All Funds
4.23%
Holding in Top 10
3
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+50%
% of All Funds
0.08%
New
28
Increased
65
Reduced
40
Closed
13
Calls
$15M
Puts
$17.2M
Net Calls
-$2.22M
Net Calls Change
-$5.78M

Top Buyers

1
AllianceBernstein
1
AllianceBernstein
Tennessee
$25M
2
PA
2
Pinnacle Associates
New York
$20.2M
3
Wells Fargo
3
Wells Fargo
California
$16.7M
4
Deutsche Bank
4
Deutsche Bank
Germany
$32.8M
5
WIM
5
Woodford Investment Management
United Kingdom
$435M

Top Sellers

1
Westfield Capital Management
1
Westfield Capital Management
Massachusetts
$3.12M
2
Citadel Advisors
2
Citadel Advisors
Florida
$32M
3
Millennium Management
3
Millennium Management
New York
$213K
4
State Street
4
State Street
Massachusetts
$55.1M
5
GC
5
Guggenheim Capital
Illinois
$4.74M
Name Holding Trade Value Shares
Change 		Shares
Change %
CSS
101
Cubist Systematic Strategies
Connecticut
$339K +$222K +3,255 +189%
Squarepoint
102
Squarepoint
New York
$334K +$334K +4,900 New
DCM
103
Dupont Capital Management
Delaware
$332K +$332K +4,879 New
QSS
104
Quantitative Systematic Strategies
Florida
$312K +$312K +4,484 New
WMSA
105
Weiss Multi-Strategy Advisers
New York
$272K -$68K -1,000 -20%
ST
106
Spot Trading
Illinois
$269K +$269K +3,946 New
FMT
107
First Mercantile Trust
Tennessee
$263K +$68K +1,000 +35%
HFS
108
HL Financial Services
Kentucky
$262K +$262K +3,850 New
Jane Street
109
Jane Street
New York
$232K +$232K +3,402 New
Bank of Montreal
110
Bank of Montreal
Ontario, Canada
$231K +$220K +3,226 +1,920%
CCMH
111
Cornerstone Capital Management Holdings
New York
$215K +$38.2K +561 +22%
Millennium Management
112
Millennium Management
New York
$213K -$19.1M -280,788 -99%
AB
113
Amalgamated Bank
New York
$204K +$204K +3,001 New
Teacher Retirement System of Texas
114
Teacher Retirement System of Texas
Texas
$199K -$62.5K -917 -24%
PG
115
PEAK6 Group
Illinois
$162K +$162K +2,380 New
SO
116
STRS Ohio
Ohio
$143K +$37.5K +551 +36%
Barclays
117
Barclays
United Kingdom
$132K -$501K -7,322 -79%
Creative Planning
118
Creative Planning
Kansas
$102K +$82.3K +1,201 +418%
SEC
119
Seven Eight Capital
New York
$82K +$82K +1,200 New
FWM
120
Focused Wealth Management
New York
$68K – – –
PAM
121
Panagora Asset Management
Massachusetts
$65K – – –
BlackRock
122
BlackRock
New York
$61K +$4.1K +60 +7%
Fifth Third Bancorp
123
Fifth Third Bancorp
Ohio
$56K +$56K +825 New
US Bancorp
124
US Bancorp
Minnesota
$50K – – –
WEC
125
Winslow Evans & Crocker
Massachusetts
$48.4K -$2.73K -40 -5%
3 4
5
6 7