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Prothena Corp
PRTA

Overview Fund Activity

156 hedge funds and large institutions have $2.08B invested in Prothena Corp in 2021 Q2 according to their latest regulatory filings, with 34 funds opening new positions, 50 increasing their positions, 39 reducing their positions, and 24 closing their positions.

Holders
156
Holders Change
+10
Holders Change %
+6.85%
% of All Funds
2.72%
Holding in Top 10
5
Holding in Top 10 Change
+2
Holding in Top 10 Change %
+66.67%
% of All Funds
0.09%
New
34
Increased
50
Reduced
39
Closed
24
Calls
$16.2M
Puts
$8.25M
Net Calls
+$7.98M
Net Calls Change
-$2.95M

Top Buyers

1
T. Rowe Price Associates
1
T. Rowe Price Associates
Maryland
$299M
2
EC
2
EcoR1 Capital
California
$580M
3
ACM
3
Atika Capital Management
New York
$12M
4
Adage Capital Partners
4
Adage Capital Partners
Massachusetts
$10.3M
5
APM
5
Avidity Partners Management
Texas
$9.36M

Top Sellers

1
FLAM
1
First Light Asset Management
Minnesota
$99.1M
2
RG
2
Redmile Group
California
$62.5M
3
Goldman Sachs
3
Goldman Sachs
New York
$3.77M
4
Fidelity Investments
4
Fidelity Investments
Massachusetts
$143M
5
IC
5
Ikarian Capital
Texas
$0
Name Holding Trade Value Shares
Change 		Shares
Change %
Federated Hermes
51
Federated Hermes
Pennsylvania
$2.25M +$2.25M +43,671 New
Massachusetts Financial Services
52
Massachusetts Financial Services
Massachusetts
$2.22M -$1.55M -30,071 -41%
RhumbLine Advisers
53
RhumbLine Advisers
Massachusetts
$2.18M -$853K -16,586 -28%
Tudor Investment Corp
54
Tudor Investment Corp
Connecticut
$2.06M +$2.06M +40,059 New
Los Angeles Capital Management
55
Los Angeles Capital Management
California
$1.77M -$241K -4,680 -12%
Rafferty Asset Management
56
Rafferty Asset Management
New York
$1.76M -$355K -6,902 -17%
AC
57
Apogem Capital
New York
$1.65M -$724K -14,084 -30%
Principal Financial Group
58
Principal Financial Group
Iowa
$1.62M +$231K +4,484 +17%
BC
59
Birchview Capital
Vermont
$1.56M +$1.56M +30,247 New
SFI
60
Susquehanna Fundamental Investments
Pennsylvania
$1.55M +$75.6K +1,470 +5%
New York State Common Retirement Fund
61
New York State Common Retirement Fund
New York
$1.55M +$120K +2,341 +8%
CAM
62
ClariVest Asset Management
California
$1.48M -$463 -9 -0%
CSS
63
Cubist Systematic Strategies
Connecticut
$1.42M +$530K +10,309 +60%
Squarepoint
64
Squarepoint
New York
$1.33M +$599K +11,650 +82%
Edgewood Management
65
Edgewood Management
Connecticut
$1.29M – – –
Wellington Management Group
66
Wellington Management Group
Massachusetts
$1.22M +$166K +3,232 +16%
CS
67
Credit Suisse
Switzerland
$1.15M +$153K +2,974 +15%
Deutsche Bank
68
Deutsche Bank
Germany
$1.11M +$81.9K +1,594 +8%
D.E. Shaw & Co
69
D.E. Shaw & Co
New York
$1.04M -$2M -39,003 -66%
Manulife (Manufacturers Life Insurance)
70
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$959K +$73.5K +1,429 +8%
Ensign Peak Advisors
71
Ensign Peak Advisors
Utah
$906K – – –
ProShare Advisors
72
ProShare Advisors
Maryland
$863K +$156K +3,030 +22%
Bank of America
73
Bank of America
North Carolina
$829K -$1.63M -31,754 -66%
State Board of Administration of Florida Retirement System
74
State Board of Administration of Florida Retirement System
Florida
$824K +$60.7K +1,180 +8%
JPMorgan Chase & Co
75
JPMorgan Chase & Co
New York
$787K +$188K +3,669 +31%
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