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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
Millennium Management
New York
$32M
2
State Street
State Street
Massachusetts
$64.1M
3
CLM
ClearBridge LLC (Maryland)
Maryland
$10M
4
MWNA
Marshall Wace North America
New York
$7.31M
5
CCM
Camber Capital Management
Massachusetts
$9.18M

Top Sellers

1
Capital World Investors
Capital World Investors
California
$5.58M
2
T. Rowe Price Associates
T. Rowe Price Associates
Maryland
$208M
3
Jennison Associates
Jennison Associates
New York
$0
4
Westfield Capital Management
Westfield Capital Management
Massachusetts
$11.4M
5
PC
PointState Capital
New York
$0
Name Holding Trade Value Shares
Change 		Shares
Change %
TA
26
Teachers Advisors
New York
$5.97M +$3.4M +92,535 +132%
Capital World Investors
27
Capital World Investors
California
$5.58M -$37.3M -1,016,214 -87%
Axa
28
Axa
France
$5.25M -$52.8K -1,437 -1%
ORI
29
Oak Ridge Investments
Illinois
$5.23M -$1.39M -37,910 -21%
TCIM
30
TIAA CREF Investment Management
New York
$4.84M +$793K +21,594 +20%
Barclays
31
Barclays
United Kingdom
$4.21M +$2.68M +72,866 +174%
ERSOT
32
Employees Retirement System of Texas
Texas
$4.15M +$808K +22,000 +24%
New York State Common Retirement Fund
33
New York State Common Retirement Fund
New York
$3.91M – – –
Morgan Stanley
34
Morgan Stanley
New York
$3.65M -$2.09M -57,017 -36%
GC
35
Guggenheim Capital
Illinois
$3.61M +$747K +20,339 +26%
Thrivent Financial for Lutherans
36
Thrivent Financial for Lutherans
Minnesota
$3.57M +$2M +54,521 +128%
JPMorgan Chase & Co
37
JPMorgan Chase & Co
New York
$3.5M -$330K -8,993 -9%
UBS Group
38
UBS Group
Switzerland
$3.09M +$2.44M +66,400 +372%
Parallax Volatility Advisers
39
Parallax Volatility Advisers
California
$2.98M +$2.76M +75,311 +1,272%
Susquehanna International Group
40
Susquehanna International Group
Pennsylvania
$2.96M +$2.04M +55,678 +222%
PIM
41
Platinum Investment Management
Australia
$2.87M +$286K +7,800 +11%
GH
42
GAM Holding
Switzerland
$2.8M – – –
Swiss National Bank
43
Swiss National Bank
Switzerland
$2.44M – – –
D.E. Shaw & Co
44
D.E. Shaw & Co
New York
$2.31M +$2.09M +57,044 +967%
California Public Employees Retirement System
45
California Public Employees Retirement System
California
$2.21M -$106K -2,900 -5%
California State Teachers Retirement System (CalSTRS)
46
California State Teachers Retirement System (CalSTRS)
California
$2.17M -$51.2K -1,395 -2%
CS
47
Credit Suisse
Switzerland
$1.89M +$86.9K +2,367 +5%
Citigroup
48
Citigroup
New York
$1.68M +$349K +9,517 +26%
HT
49
HAP Trading
New York
$1.65M +$1.65M +44,828 New
ARTA
50
A.R.T. Advisors
New York
$1.52M +$1.52M +41,404 New
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