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Prothena Corp
PRTA

Overview Fund Activity

174 hedge funds and large institutions have $1.64B invested in Prothena Corp in 2022 Q1 according to their latest regulatory filings, with 18 funds opening new positions, 56 increasing their positions, 54 reducing their positions, and 37 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
174
Holders Change
-22
Holders Change %
-11.22%
% of All Funds
2.75%
Holding in Top 10
5
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+25%
% of All Funds
0.08%
New
18
Increased
56
Reduced
54
Closed
37
Calls
$15.6M
Puts
$2.57M
Net Calls
+$13.1M
Net Calls Change
+$5.66M

Top Buyers

1
State Street
1
State Street
Massachusetts
$86.6M
2
MRCP
2
Maple Rock Capital Partners
Ontario, Canada
$12.2M
3
EC
3
EcoR1 Capital
California
$424M
4
PBA
4
Paradigm Biocapital Advisors
New York
$9.8M
5
Nuveen Asset Management
5
Nuveen Asset Management
Illinois
$27.3M

Top Sellers

1
Jacobs Levy Equity Management
1
Jacobs Levy Equity Management
New Jersey
$0
2
Marshall Wace
2
Marshall Wace
United Kingdom
$385K
3
Voloridge Investment Management
3
Voloridge Investment Management
Florida
$0
4
HIM
4
Hillsdale Investment Management
Ontario, Canada
$0
5
ECM
5
ExodusPoint Capital Management
New York
$2.59M
Name Holding Trade Value Shares
Change 		Shares
Change %
PIM
51
Platinum Investment Management
Australia
$2.21M – – –
Manulife (Manufacturers Life Insurance)
52
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$2M +$1.36M +37,277 +215%
Ensign Peak Advisors
53
Ensign Peak Advisors
Utah
$1.82M +$398K +10,880 +28%
Bank of Montreal
54
Bank of Montreal
Ontario, Canada
$1.8M – – –
Susquehanna International Group
55
Susquehanna International Group
Pennsylvania
$1.8M -$1.45M -39,620 -45%
First Trust Advisors
56
First Trust Advisors
Illinois
$1.79M -$1.03M -28,081 -36%
UBS Group
57
UBS Group
Switzerland
$1.77M -$949K -25,953 -35%
State of Wisconsin Investment Board
58
State of Wisconsin Investment Board
Wisconsin
$1.77M +$43.9K +1,200 +3%
AA
59
ALPS Advisors
Colorado
$1.76M -$217K -5,936 -11%
PPA
60
Parametric Portfolio Associates
Washington
$1.72M -$1.91M -52,106 -53%
RC
61
RBF Capital
California
$1.66M – – –
AllianceBernstein
62
AllianceBernstein
Tennessee
$1.62M +$3.66K +100 +0.2%
Citadel Advisors
63
Citadel Advisors
Florida
$1.59M +$579K +15,822 +57%
California State Teachers Retirement System (CalSTRS)
64
California State Teachers Retirement System (CalSTRS)
California
$1.58M -$117K -3,197 -7%
RhumbLine Advisers
65
RhumbLine Advisers
Massachusetts
$1.55M -$77.1K -2,110 -5%
BC
66
Birchview Capital
Vermont
$1.54M +$63.3K +1,731 +4%
AC
67
Apogem Capital
New York
$1.53M +$312K +8,523 +26%
New York State Common Retirement Fund
68
New York State Common Retirement Fund
New York
$1.47M +$340K +9,292 +30%
Axa
69
Axa
France
$1.28M +$1.28M +35,100 New
GCP
70
GSA Capital Partners
United Kingdom
$1.14M +$654K +17,883 +135%
Principal Financial Group
71
Principal Financial Group
Iowa
$1.12M -$364K -9,952 -25%
Ameriprise
72
Ameriprise
Minnesota
$1.03M +$506K +13,836 +96%
CS
73
Credit Suisse
Switzerland
$1M +$138K +3,783 +16%
Wells Fargo
74
Wells Fargo
California
$997K -$399K -10,905 -29%
Allspring Global Investments
75
Allspring Global Investments
North Carolina
$943K -$2.61M -71,533 -73%
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