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Prothena Corp
PRTA

Overview Fund Activity

140 hedge funds and large institutions have $355M invested in Prothena Corp in 2020 Q3 according to their latest regulatory filings, with 19 funds opening new positions, 32 increasing their positions, 49 reducing their positions, and 18 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
140
Holders Change
+1
Holders Change %
+0.72%
% of All Funds
2.83%
Holding in Top 10
1
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-50%
% of All Funds
0.02%
New
19
Increased
32
Reduced
49
Closed
18
Calls
$1.6M
Puts
$2.05M
Net Calls
-$449K
Net Calls Change
+$1.15M

Top Buyers

1
BlackRock
1
BlackRock
New York
$37.2M
2
PAI
2
Palo Alto Investors
California
$13.3M
3
PM
3
Prosight Management
Texas
$5.45M
4
Adage Capital Partners
4
Adage Capital Partners
Massachusetts
$2M
5
Goldman Sachs
5
Goldman Sachs
New York
$5.14M

Top Sellers

1
SCM
1
Soleus Capital Management
Connecticut
$0
2
GPP
2
Great Point Partners
Connecticut
$15.5M
3
WP
3
Woodline Partners
California
$1.77M
4
Wellington Management Group
4
Wellington Management Group
Massachusetts
$6.06M
5
Point72 Asset Management
5
Point72 Asset Management
Connecticut
$0
Name Holding Trade Value Shares
Change 		Shares
Change %
Acadian Asset Management
26
Acadian Asset Management
Massachusetts
$2.1M -$159K -15,939 -7%
Adage Capital Partners
27
Adage Capital Partners
Massachusetts
$2M +$1.75M +175,000 +700%
EP
28
Eversept Partners
New York
$1.97M +$448K +44,815 +29%
Charles Schwab
29
Charles Schwab
California
$1.83M -$546K -54,627 -23%
TCM
30
Tang Capital Management
California
$1.79M -$950K -95,135 -35%
WP
31
Woodline Partners
California
$1.77M -$4.23M -423,694 -71%
Axa
32
Axa
France
$1.76M – – –
Bank of New York Mellon
33
Bank of New York Mellon
New York
$1.49M -$109K -10,867 -7%
PIM
34
Platinum Investment Management
Australia
$1.28M – – –
Citadel Advisors
35
Citadel Advisors
Florida
$1.22M -$734K -73,474 -38%
Two Sigma Investments
36
Two Sigma Investments
New York
$997K -$145K -14,513 -13%
Russell Investments Group
37
Russell Investments Group
United Kingdom
$960K -$154K -15,441 -14%
PPA
38
Parametric Portfolio Associates
Washington
$920K +$244K +24,457 +36%
Morgan Stanley
39
Morgan Stanley
New York
$882K -$120K -11,990 -12%
Massachusetts Financial Services
40
Massachusetts Financial Services
Massachusetts
$871K +$871K +87,221 New
Prudential Financial
41
Prudential Financial
New Jersey
$712K -$117K -11,697 -14%
Man Group
42
Man Group
United Kingdom
$697K +$24K +2,400 +4%
California Public Employees Retirement System
43
California Public Employees Retirement System
California
$696K +$15K +1,500 +2%
State of Wisconsin Investment Board
44
State of Wisconsin Investment Board
Wisconsin
$619K – – –
RhumbLine Advisers
45
RhumbLine Advisers
Massachusetts
$612K -$70.3K -7,046 -10%
Swiss National Bank
46
Swiss National Bank
Switzerland
$578K – – –
AllianceBernstein
47
AllianceBernstein
Tennessee
$550K – – –
Bank of America
48
Bank of America
North Carolina
$504K +$191K +19,131 +61%
Ameriprise
49
Ameriprise
Minnesota
$499K +$30.1K +3,008 +6%
Susquehanna International Group
50
Susquehanna International Group
Pennsylvania
$481K +$36.2K +3,626 +8%
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