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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 %
Point72 Asset Management
26
Point72 Asset Management
Connecticut
$8.68M +$8.68M +168,800 New
Bank of New York Mellon
27
Bank of New York Mellon
New York
$6.96M +$280K +5,455 +4%
TD Asset Management
28
TD Asset Management
Ontario, Canada
$6.15M +$2.2M +43,881 +56%
EI
29
EAM Investors
California
$5.38M +$2.21M +42,893 +70%
PIM
30
Platinum Investment Management
Australia
$5.24M -$1.35M -26,318 -21%
PA
31
Perceptive Advisors
New York
$5.14M +$5.14M +100,000 New
Handelsbanken Fonder
32
Handelsbanken Fonder
Sweden
$5.13M +$5.13M +99,700 New
PPA
33
Parametric Portfolio Associates
Washington
$4.83M +$1.72M +33,406 +55%
Millennium Management
34
Millennium Management
New York
$4.52M +$3.34M +64,988 +283%
Axa
35
Axa
France
$4.1M -$4.54M -88,389 -53%
Voloridge Investment Management
36
Voloridge Investment Management
Florida
$3.89M +$3.89M +75,661 New
Goldman Sachs
37
Goldman Sachs
New York
$3.77M -$21.7M -422,367 -85%
EGI
38
EAM Global Investors
California
$3.61M -$854K -16,605 -19%
DA
39
DCF Advisers
Connecticut
$3.18M +$817K +15,894 +35%
Swiss National Bank
40
Swiss National Bank
Switzerland
$3.17M +$118K +2,300 +4%
AA
41
ALPS Advisors
Colorado
$2.98M -$737K -14,337 -20%
Prudential Financial
42
Prudential Financial
New Jersey
$2.94M -$813K -15,815 -22%
Royal Bank of Canada
43
Royal Bank of Canada
Ontario, Canada
$2.94M +$2.58M +50,252 +733%
Citigroup
44
Citigroup
New York
$2.9M +$64.6K +1,257 +2%
HIM
45
Hillsdale Investment Management
Ontario, Canada
$2.66M +$2.66M +51,800 New
AllianceBernstein
46
AllianceBernstein
Tennessee
$2.55M +$344K +6,700 +16%
State of Wisconsin Investment Board
47
State of Wisconsin Investment Board
Wisconsin
$2.52M +$386K +7,500 +18%
California State Teachers Retirement System (CalSTRS)
48
California State Teachers Retirement System (CalSTRS)
California
$2.42M +$32.7K +636 +1%
RC
49
RBF Capital
California
$2.33M – – –
Morgan Stanley
50
Morgan Stanley
New York
$2.31M +$1.58M +30,665 +215%
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