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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.

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 %
TA
26
Teachers Advisors
New York
$7.73M -$1.48M -32,686 -16%
TI
27
Turner Investments
Pennsylvania
$7.67M -$213K -4,700 -3%
Bank of New York Mellon
28
Bank of New York Mellon
New York
$7.52M -$1.23M -27,096 -14%
CCI
29
Columbus Circle Investors
$7.25M -$5.51M -121,459 -43%
TCIM
30
TIAA CREF Investment Management
New York
$6.75M +$237K +5,223 +4%
Prudential Financial
31
Prudential Financial
New Jersey
$5.41M -$825K -18,200 -13%
CS
32
Credit Suisse
Switzerland
$5.21M -$1.8M -39,781 -26%
BNP Paribas Asset Management
33
BNP Paribas Asset Management
France
$4.84M +$4.84M +106,719 New
BIM
34
BlackRock Investment Management
Delaware
$4.73M -$75.4K -1,663 -2%
JPMorgan Chase & Co
35
JPMorgan Chase & Co
New York
$4.36M +$452K +9,972 +12%
PI
36
Putnam Investments
Massachusetts
$4.34M +$606K +13,361 +16%
Charles Schwab
37
Charles Schwab
California
$4.21M +$1.73M +38,088 +70%
ERSOT
38
Employees Retirement System of Texas
Texas
$4.08M – – –
EAM
39
Eventide Asset Management
Massachusetts
$3.95M +$3.95M +87,172 New
CCP
40
Clough Capital Partners
Massachusetts
$2.97M -$181K -4,000 -6%
California State Teachers Retirement System (CalSTRS)
41
California State Teachers Retirement System (CalSTRS)
California
$2.59M -$4.53K -100 -0.2%
EI
42
EAM Investors
California
$2.54M -$2.8M -61,716 -52%
Allianz Asset Management
43
Allianz Asset Management
Germany
$2.51M +$2.51M +55,404 New
BNP Paribas Financial Markets
44
BNP Paribas Financial Markets
France
$2.33M +$2.09M +46,064 +873%
AllianceBernstein
45
AllianceBernstein
Tennessee
$2.06M +$29K +640 +1%
SFM
46
Sphera Funds Management
Israel
$2.05M -$3.17M -70,000 -61%
Swiss National Bank
47
Swiss National Bank
Switzerland
$1.95M +$258K +5,700 +15%
Susquehanna International Group
48
Susquehanna International Group
Pennsylvania
$1.89M +$1.22M +26,906 +182%
BA
49
BlackRock Advisors
Delaware
$1.72M -$21.1K -466 -1%
Group One Trading
50
Group One Trading
Illinois
$1.71M +$160K +3,534 +10%
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