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Prothena Corp
PRTA

Overview Fund Activity

191 hedge funds and large institutions have $2.51B invested in Prothena Corp in 2023 Q1 according to their latest regulatory filings, with 27 funds opening new positions, 70 increasing their positions, 56 reducing their positions, and 32 closing their positions.

Holders
191
Holders Change
-10
Holders Change %
-4.98%
% of All Funds
3.06%
Holding in Top 10
7
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-12.5%
% of All Funds
0.11%
New
27
Increased
70
Reduced
56
Closed
32
Calls
$7.72M
Puts
$3.57M
Net Calls
+$4.15M
Net Calls Change
-$12.3M

Top Buyers

1
Fidelity Investments
1
Fidelity Investments
Massachusetts
$328M
2
Wellington Management Group
2
Wellington Management Group
Massachusetts
$110M
3
Bank of America
3
Bank of America
North Carolina
$27.4M
4
Janus Henderson Group
4
Janus Henderson Group
United Kingdom
$77.4M
5
Two Sigma Investments
5
Two Sigma Investments
New York
$17.7M

Top Sellers

1
APM
1
Avidity Partners Management
Texas
$51.8M
2
SCM
2
Suvretta Capital Management
New York
$0
3
WP
3
Woodline Partners
California
$0
4
MRCP
4
Maple Rock Capital Partners
Ontario, Canada
$14.2M
5
PHS
5
PFM Health Sciences
California
$37.5M
Name Holding Trade Value Shares
Change 		Shares
Change %
Squarepoint
51
Squarepoint
New York
$3.8M +$3.53M +72,793 +1,320%
TD Asset Management
52
TD Asset Management
Ontario, Canada
$3.62M -$330K -6,807 -8%
Swiss National Bank
53
Swiss National Bank
Switzerland
$3.54M -$301K -6,200 -8%
HIM
54
Hillsdale Investment Management
Ontario, Canada
$3.15M -$606K -12,500 -16%
Barclays
55
Barclays
United Kingdom
$3.13M -$714K -14,735 -19%
EGI
56
EAM Global Investors
California
$3.06M -$656K -13,533 -18%
UBS Group
57
UBS Group
Switzerland
$2.99M -$1.43M -29,426 -32%
Susquehanna International Group
58
Susquehanna International Group
Pennsylvania
$2.98M +$2.46M +50,673 +473%
Manulife (Manufacturers Life Insurance)
59
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$2.76M +$92.3K +1,904 +3%
BNP Paribas Financial Markets
60
BNP Paribas Financial Markets
France
$2.72M +$1.48M +30,614 +120%
RhumbLine Advisers
61
RhumbLine Advisers
Massachusetts
$2.71M +$297K +6,126 +12%
Principal Financial Group
62
Principal Financial Group
Iowa
$2.66M -$55.2K -1,138 -2%
RC
63
RBF Capital
California
$2.63M – – –
Handelsbanken Fonder
64
Handelsbanken Fonder
Sweden
$2.52M – – –
PI
65
Putnam Investments
Massachusetts
$2.47M -$702K -14,489 -22%
Jennison Associates
66
Jennison Associates
New York
$2.39M -$388 -8 -0%
ACM
67
Atika Capital Management
New York
$2.35M -$2.06M -42,600 -47%
Wells Fargo
68
Wells Fargo
California
$2.29M +$1.78M +36,655 +344%
AllianceBernstein
69
AllianceBernstein
Tennessee
$2.17M – – –
State of New Jersey Common Pension Fund D
70
State of New Jersey Common Pension Fund D
New Jersey
$2.16M +$337K +6,959 +19%
California State Teachers Retirement System (CalSTRS)
71
California State Teachers Retirement System (CalSTRS)
California
$2.15M +$52.7K +1,088 +3%
TI
72
Trexquant Investment
Connecticut
$2.05M +$531K +10,963 +35%
CS
73
Credit Suisse
Switzerland
$2.02M +$137K +2,828 +7%
PIM
74
Platinum Investment Management
Australia
$2.01M – – –
CSS
75
Cubist Systematic Strategies
Connecticut
$1.98M +$8.77K +181 +0.4%
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