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Prothena Corp
PRTA

Overview Fund Activity

140 hedge funds and large institutions have $418M invested in Prothena Corp in 2020 Q4 according to their latest regulatory filings, with 25 funds opening new positions, 24 increasing their positions, 52 reducing their positions, and 24 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
140
Holders Change
–
Holders Change %
0%
% of All Funds
2.48%
Holding in Top 10
3
Holding in Top 10 Change
+2
Holding in Top 10 Change %
+200%
% of All Funds
0.05%
New
25
Increased
24
Reduced
52
Closed
24
Calls
$3.93M
Puts
$1.88M
Net Calls
+$2.04M
Net Calls Change
+$2.49M

Top Buyers

1
FLAM
1
First Light Asset Management
Minnesota
$24.7M
2
IC
2
Ikarian Capital
Texas
$14.3M
3
PM
3
Prosight Management
Texas
$13.1M
4
PAI
4
Palo Alto Investors
California
$20.3M
5
BFM
5
Boothbay Fund Management
New York
$1.5M

Top Sellers

1
O
1
OrbiMed
New York
$21.6M
2
State Street
2
State Street
Massachusetts
$7.33M
3
GPP
3
Great Point Partners
Connecticut
$11.7M
4
Fidelity Investments
4
Fidelity Investments
Massachusetts
$17.8M
5
Wellington Management Group
5
Wellington Management Group
Massachusetts
$2.7M
Name Holding Trade Value Shares
Change 		Shares
Change %
RC
51
RBF Capital
California
$545K – – –
State of Wisconsin Investment Board
52
State of Wisconsin Investment Board
Wisconsin
$518K -$227K -18,900 -30%
Walleye Trading
53
Walleye Trading
New York
$503K +$503K +41,895 New
Citadel Advisors
54
Citadel Advisors
Florida
$493K -$976K -81,256 -66%
Ameriprise
55
Ameriprise
Minnesota
$493K -$106K -8,809 -18%
Los Angeles Capital Management
56
Los Angeles Capital Management
California
$475K -$24.8K -2,070 -5%
UBS AM
57
UBS AM
Illinois
$434K – – –
CS
58
Credit Suisse
Switzerland
$430K -$116K -9,663 -21%
JPMorgan Chase & Co
59
JPMorgan Chase & Co
New York
$409K +$231K +19,202 +130%
AG
60
Aperio Group
California
$400K -$16K -1,329 -4%
Invesco
61
Invesco
Georgia
$368K -$27.4K -2,282 -7%
New York State Common Retirement Fund
62
New York State Common Retirement Fund
New York
$334K – – –
Deutsche Bank
63
Deutsche Bank
Germany
$329K -$82.3K -6,847 -20%
Principal Financial Group
64
Principal Financial Group
Iowa
$300K +$76.1K +6,334 +34%
Edgewood Management
65
Edgewood Management
Connecticut
$300K +$300K +25,000 New
VEA
66
Virtus ETF Advisers
New York
$278K -$104K -8,700 -27%
State Board of Administration of Florida Retirement System
67
State Board of Administration of Florida Retirement System
Florida
$274K – – –
Manulife (Manufacturers Life Insurance)
68
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$229K +$8.99K +750 +4%
MIM
69
MetLife Investment Management
New Jersey
$220K – – –
Squarepoint
70
Squarepoint
New York
$214K +$214K +17,799 New
Ensign Peak Advisors
71
Ensign Peak Advisors
Utah
$212K – – –
Barclays
72
Barclays
United Kingdom
$206K -$50.3K -4,200 -20%
HF
73
HRT Financial
New York
$202K -$204K -17,032 -50%
ECM
74
ExodusPoint Capital Management
New York
$188K -$93.5K -7,808 -33%
Bank of America
75
Bank of America
North Carolina
$181K -$427K -35,425 -70%
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