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Prothena Corp
PRTA

Overview Fund Activity

166 hedge funds and large institutions have $1.21B invested in Prothena Corp in 2022 Q2 according to their latest regulatory filings, with 16 funds opening new positions, 44 increasing their positions, 54 reducing their positions, and 21 closing their positions.

Holders
166
Holders Change
-8
Holders Change %
-4.6%
% of All Funds
2.81%
Holding in Top 10
5
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.08%
New
16
Increased
44
Reduced
54
Closed
21
Calls
$15.5M
Puts
$1.62M
Net Calls
+$13.9M
Net Calls Change
+$807K

Top Buyers

1
FC
1
Finepoint Capital
Massachusetts
$12.4M
2
PHS
2
PFM Health Sciences
California
$9.37M
3
Renaissance Technologies
3
Renaissance Technologies
New York
$18.6M
4
Fidelity Investments
4
Fidelity Investments
Massachusetts
$79.4M
5
Janus Henderson Group
5
Janus Henderson Group
United Kingdom
$4.97M

Top Sellers

1
BlackRock
1
BlackRock
New York
$94.2M
2
PBA
2
Paradigm Biocapital Advisors
New York
$0
3
T. Rowe Price Associates
3
T. Rowe Price Associates
Maryland
$162M
4
State Street
4
State Street
Massachusetts
$61M
5
Federated Hermes
5
Federated Hermes
Pennsylvania
$122K
Name Market Value Shares Shares
Change 		Shares
Change %
D.E. Shaw & Co
51
D.E. Shaw & Co
New York
$1.66M 61,196 -25,957 -30%
RC
52
RBF Capital
California
$1.66M 45,362 – –
PIM
53
Platinum Investment Management
Australia
$1.64M 60,512 – –
Manulife (Manufacturers Life Insurance)
54
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$1.43M 53,336 -1,307 -2%
Ensign Peak Advisors
55
Ensign Peak Advisors
Utah
$1.35M 49,877 – –
AllianceBernstein
56
AllianceBernstein
Tennessee
$1.23M 45,366 +966 +2%
Man Group
57
Man Group
United Kingdom
– – – –
First Trust Advisors
58
First Trust Advisors
Illinois
$1.19M 43,715 -5,352 -11%
RhumbLine Advisers
59
RhumbLine Advisers
Massachusetts
$1.18M 43,305 +992 +2%
California State Teachers Retirement System (CalSTRS)
60
California State Teachers Retirement System (CalSTRS)
California
$1.17M 43,171 -64 -0.1%
ECM
61
ExodusPoint Capital Management
New York
$1.15M 42,213 -28,489 -40%
AC
62
Apogem Capital
New York
$1.12M 41,092 -643 -2%
Prudential Financial
63
Prudential Financial
New Jersey
$1.08M 39,889 -32,420 -45%
State of Wisconsin Investment Board
64
State of Wisconsin Investment Board
Wisconsin
$953K 35,083 -13,317 -28%
New York State Common Retirement Fund
65
New York State Common Retirement Fund
New York
$943K 34,725 -5,348 -13%
Balyasny Asset Management
66
Balyasny Asset Management
Illinois
$933K 34,377 +34,377 New
Principal Financial Group
67
Principal Financial Group
Iowa
$921K 33,936 +3,363 +11%
Susquehanna International Group
68
Susquehanna International Group
Pennsylvania
$868K 31,981 -17,205 -35%
HSA
69
Hussman Strategic Advisors
Maryland
$847K 31,200 +15,600 +100%
AA
70
ALPS Advisors
Colorado
$754K 27,770 -20,212 -42%
CS
71
Credit Suisse
Switzerland
$753K 27,724 +369 +1%
Axa
72
Axa
France
$715K 26,325 -8,775 -25%
Ameriprise
73
Ameriprise
Minnesota
$685K 25,209 -3,047 -11%
Jane Street
74
Jane Street
New York
$683K 25,168 +25,168 New
Edgewood Management
75
Edgewood Management
Connecticut
$679K 25,000 – –
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3
4 5