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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 %
TI
51
Trexquant Investment
Connecticut
$470K -$71K -7,102 -13%
California State Teachers Retirement System (CalSTRS)
52
California State Teachers Retirement System (CalSTRS)
California
$463K – – –
CS
53
Credit Suisse
Switzerland
$455K -$74.7K -7,477 -14%
RC
54
RBF Capital
California
$453K – – –
MAM
55
Martingale Asset Management
Massachusetts
$446K -$607K -60,700 -58%
HS
56
HighVista Strategies
Massachusetts
$444K +$444K +44,414 New
Los Angeles Capital Management
57
Los Angeles Capital Management
California
$416K +$8.59K +860 +2%
PC
58
PA Capital
Virginia
$378K +$378K +37,790 New
Wells Fargo
59
Wells Fargo
California
$364K -$77.2K -7,722 -18%
UBS AM
60
UBS AM
Illinois
$361K – – –
AG
61
Aperio Group
California
$346K +$65.6K +6,565 +23%
Deutsche Bank
62
Deutsche Bank
Germany
$342K -$343K -34,312 -50%
HF
63
HRT Financial
New York
$338K +$338K +33,877 New
Invesco
64
Invesco
Georgia
$329K -$17.7K -1,776 -5%
VEA
65
Virtus ETF Advisers
New York
$318K -$43.4K -4,348 -12%
Parallax Volatility Advisers
66
Parallax Volatility Advisers
California
$279K +$279K +27,965 New
New York State Common Retirement Fund
67
New York State Common Retirement Fund
New York
$277K – – –
Jane Street
68
Jane Street
New York
$236K -$213K -21,308 -47%
ECM
69
ExodusPoint Capital Management
New York
$235K +$110K +11,012 +88%
CSS
70
Cubist Systematic Strategies
Connecticut
$235K +$116K +11,633 +98%
Rafferty Asset Management
71
Rafferty Asset Management
New York
$230K +$115K +11,502 +100%
State Board of Administration of Florida Retirement System
72
State Board of Administration of Florida Retirement System
Florida
$228K – – –
Barclays
73
Barclays
United Kingdom
$215K -$67.9K -6,757 -24%
FWM
74
Focused Wealth Management
New York
$196K +$15.9K +1,591 +9%
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
75
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
Ontario, Canada
$187K -$558K -55,800 -75%
1 2
3
4 5