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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.

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 %
TCM
76
Traynor Capital Management
Pennsylvania
$1.1M +$28.9K +425 +3%
BG
77
BlackRock Group
United Kingdom
$1.06M +$143K +2,099 +16%
WSA
78
Wall Street Associates
California
$1.05M -$27.3K -400 -3%
Simplex Trading
79
Simplex Trading
Illinois
$1.03M +$445K +6,540 +76%
ACM
80
Atika Capital Management
New York
$1.02M +$1.02M +15,000 New
Neuberger Berman Group
81
Neuberger Berman Group
New York
$987K +$987K +14,490 New
GCP
82
GSA Capital Partners
United Kingdom
$962K -$865K -12,699 -47%
CCA
83
Checchi Capital Advisers
California
$955K – – –
Thrivent Financial for Lutherans
84
Thrivent Financial for Lutherans
Minnesota
$885K +$885K +13,000 New
BNP Paribas Financial Markets
85
BNP Paribas Financial Markets
France
$805K -$2.69M -39,519 -77%
Public Employees Retirement Association of Colorado
86
Public Employees Retirement Association of Colorado
Colorado
$765K – – –
Two Sigma Advisers
87
Two Sigma Advisers
New York
$688K -$6.81K -100 -1%
GT
88
Glenmede Trust
Pennsylvania
$675K +$648K +9,524 +2,387%
Susquehanna International Group
89
Susquehanna International Group
Pennsylvania
$662K -$2.18M -31,970 -77%
PPA
90
Parametric Portfolio Associates
Washington
$575K -$22.3K -327 -4%
Bank of America
91
Bank of America
North Carolina
$570K +$467K +6,846 +452%
Citigroup
92
Citigroup
New York
$529K -$253K -3,728 -32%
SGAM
93
Smith Group Asset Management
Texas
$506K +$506K +7,430 New
CPIG
94
Chicago Partners Investment Group
Illinois
$441K -$26.8K -393 -6%
PP
95
Paloma Partners
Connecticut
$424K +$424K +6,233 New
WC
96
Whitnell & Co
Illinois
$374K – – –
MC
97
Moors & Cabot
Massachusetts
$372K -$76.1K -1,111 -17%
Principal Financial Group
98
Principal Financial Group
Iowa
$368K +$7.36K +108 +2%
SG Americas Securities
99
SG Americas Securities
New York
$360K -$159K -2,335 -31%
OAC
100
OMERS Administration Corp
Ontario, Canada
$341K +$341K +5,000 New
2 3
4
5 6