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Prothena Corp
PRTA

Overview Fund Activity

129 hedge funds and large institutions have $398M invested in Prothena Corp in 2020 Q1 according to their latest regulatory filings, with 12 funds opening new positions, 38 increasing their positions, 38 reducing their positions, and 21 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
129
Holders Change
-12
Holders Change %
-8.51%
% of All Funds
2.85%
Holding in Top 10
2
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+100%
% of All Funds
0.04%
New
12
Increased
38
Reduced
38
Closed
21
Calls
$2.57M
Puts
$614K
Net Calls
+$1.96M
Net Calls Change
-$6.02M

Top Buyers

1
RSCM
1
Rock Springs Capital Management
Maryland
$5.35M
2
Point72 Asset Management
2
Point72 Asset Management
Connecticut
$5.52M
3
Hudson Bay Capital Management
3
Hudson Bay Capital Management
Connecticut
$1.93M
4
ECM
4
Endurant Capital Management
California
$2.74M
5
Nuveen Asset Management
5
Nuveen Asset Management
Illinois
$5.48M

Top Sellers

1
PAI
1
Palo Alto Investors
California
$8.3M
2
Fidelity Investments
2
Fidelity Investments
Massachusetts
$33.5M
3
Balyasny Asset Management
3
Balyasny Asset Management
Illinois
$0
4
OAM
4
Oxford Asset Management
United Kingdom
$0
5
Citadel Advisors
5
Citadel Advisors
Florida
$8.09M
Name Holding Trade Value Shares
Change 		Shares
Change %
Ameriprise
51
Ameriprise
Minnesota
$503K +$782 +73 +0.2%
RC
52
RBF Capital
California
$485K – – –
UBS AM
53
UBS AM
Illinois
$453K -$118K -11,048 -21%
New York State Common Retirement Fund
54
New York State Common Retirement Fund
New York
$406K – – –
Barclays
55
Barclays
United Kingdom
$401K -$497K -46,398 -55%
Wells Fargo
56
Wells Fargo
California
$382K +$76.8K +7,191 +25%
Invesco
57
Invesco
Georgia
$325K -$31.6K -2,957 -9%
Squarepoint
58
Squarepoint
New York
$300K -$650K -60,676 -68%
AG
59
Aperio Group
California
$290K +$86.9K +8,129 +43%
CS
60
Credit Suisse
Switzerland
$285K -$8.1K -758 -3%
Connor, Clark & Lunn Investment Management (CC&L)
61
Connor, Clark & Lunn Investment Management (CC&L)
British Columbia, Canada
$281K +$65.4K +6,100 +30%
Manulife (Manufacturers Life Insurance)
62
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$269K +$13.4K +1,251 +5%
AIG
63
American International Group
New York
$255K -$14.7K -1,375 -5%
State Board of Administration of Florida Retirement System
64
State Board of Administration of Florida Retirement System
Florida
$244K – – –
Tudor Investment Corp
65
Tudor Investment Corp
Connecticut
$232K +$105K +9,871 +83%
PP
66
PDT Partners
New York
$230K – – –
SFM
67
Systematic Financial Management
New Jersey
$229K +$229K +21,370 New
VOYA Investment Management
68
VOYA Investment Management
Georgia
$214K – – –
Citigroup
69
Citigroup
New York
$211K +$12.8K +1,194 +6%
Los Angeles Capital Management
70
Los Angeles Capital Management
California
$211K +$211K +19,700 New
Bank of America
71
Bank of America
North Carolina
$203K -$7.62K -711 -4%
Group One Trading
72
Group One Trading
Illinois
$202K -$93.1K -8,696 -32%
MIM
73
MetLife Investment Management
New Jersey
$196K – – –
UBS Group
74
UBS Group
Switzerland
$193K -$232K -21,772 -55%
FWM
75
Focused Wealth Management
New York
$193K +$17K +1,591 +10%
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