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Prothena Corp
PRTA

Overview Fund Activity

169 hedge funds and large institutions have $741M invested in Prothena Corp in 2024 Q4 according to their latest regulatory filings, with 34 funds opening new positions, 63 increasing their positions, 39 reducing their positions, and 27 closing their positions.

Holders
169
Holders Change
+7
Holders Change %
+4.32%
% of All Funds
2.25%
Holding in Top 10
3
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.04%
New
34
Increased
63
Reduced
39
Closed
27
Calls
$8.78M
Puts
$4.31M
Net Calls
+$4.48M
Net Calls Change
+$3.53M

Top Buyers

1
Wellington Management Group
1
Wellington Management Group
Massachusetts
$71.1M
2
BCM
2
Boxer Capital Management
California
$9.56M
3
AC
3
Armistice Capital
New York
$31M
4
Federated Hermes
4
Federated Hermes
Pennsylvania
$10.3M
5
UBS Group
5
UBS Group
Switzerland
$5.14M

Top Sellers

1
BC
1
Boxer Capital
California
$0
2
GIM
2
Granahan Investment Management
Massachusetts
$0
3
Citadel Advisors
3
Citadel Advisors
Florida
$575K
4
DTC
4
Deep Track Capital
Connecticut
$0
5
UBS AM
5
UBS AM
Illinois
$5.28M
Name Market Value Shares Shares
Change 		Shares
Change %
Jane Street
51
Jane Street
New York
$769K 55,528 -39,916 -42%
Wells Fargo
52
Wells Fargo
California
$732K 52,823 -13,376 -20%
HWAM
53
Hennion & Walsh Asset Management
New Jersey
$724K 52,284 +52,284 New
AllianceBernstein
54
AllianceBernstein
Tennessee
$648K 46,753 +7 +0%
Massachusetts Financial Services
55
Massachusetts Financial Services
Massachusetts
$621K 44,815 +44,815 New
AA
56
ALPS Advisors
Colorado
$603K 43,510 +1,883 +5%
Invesco
57
Invesco
Georgia
$593K 42,846 +1,632 +4%
Citadel Advisors
58
Citadel Advisors
Florida
$575K 41,518 -196,165 -83%
Legal & General Group
59
Legal & General Group
United Kingdom
$573K 41,405 +1,181 +3%
Verition Fund Management
60
Verition Fund Management
Connecticut
$546K 39,422 +39,422 New
Thrivent Financial for Lutherans
61
Thrivent Financial for Lutherans
Minnesota
$535K 38,626 -8,889 -19%
Two Sigma Investments
62
Two Sigma Investments
New York
$532K 38,394 +27,887 +265%
Balyasny Asset Management
63
Balyasny Asset Management
Illinois
$527K 38,021 +38,021 New
SG Americas Securities
64
SG Americas Securities
New York
$521K 37,612 +23,525 +167%
California State Teachers Retirement System (CalSTRS)
65
California State Teachers Retirement System (CalSTRS)
California
$460K 33,243 -319 -1%
FWM
66
Focused Wealth Management
New York
$445K 32,129 +32,129 New
American Century Companies
67
American Century Companies
Missouri
$421K 30,399 +12,097 +66%
RC
68
RBF Capital
California
$404K 29,200 -16,162 -36%
Mirae Asset Global ETFs Holdings
69
Mirae Asset Global ETFs Holdings
Hong Kong
$381K 27,269 +1,551 +6%
Tudor Investment Corp
70
Tudor Investment Corp
Connecticut
$379K 27,398 -133 -0.5%
MIM
71
MetLife Investment Management
New Jersey
$358K 25,873 +536 +2%
Susquehanna International Group
72
Susquehanna International Group
Pennsylvania
$350K 25,269 -22,164 -47%
Edgewood Management
73
Edgewood Management
Connecticut
$333K 24,060 – –
CM
74
Caption Management
Oklahoma
$332K 24,000 +24,000 New
HSBC Holdings
75
HSBC Holdings
United Kingdom
$323K 24,179 +9,101 +60%
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