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Prothena Corp
PRTA

Overview Fund Activity

187 hedge funds and large institutions have $1.97B invested in Prothena Corp in 2023 Q4 according to their latest regulatory filings, with 41 funds opening new positions, 68 increasing their positions, 46 reducing their positions, and 38 closing their positions.

Holders
187
Holders Change
+1
Holders Change %
+0.54%
% of All Funds
2.74%
Holding in Top 10
3
Holding in Top 10 Change
-2
Holding in Top 10 Change %
-40%
% of All Funds
0.04%
New
41
Increased
68
Reduced
46
Closed
38
Calls
$81.9M
Puts
$62.6M
Net Calls
+$19.3M
Net Calls Change
+$27.7M

Top Buyers

1
Morgan Stanley
1
Morgan Stanley
New York
$35.1M
2
State Street
2
State Street
Massachusetts
$100M
3
AG
3
Artal Group
Luxembourg
$18.2M
4
Wellington Management Group
4
Wellington Management Group
Massachusetts
$94.3M
5
T. Rowe Price Associates
5
T. Rowe Price Associates
Maryland
$154M

Top Sellers

1
T. Rowe Price Investment Management
1
T. Rowe Price Investment Management
Maryland
$0
2
PHS
2
PFM Health Sciences
California
$6.9M
3
APM
3
Avidity Partners Management
Texas
$0
4
FLAM
4
First Light Asset Management
Minnesota
$39.6M
5
Point72 Asset Management
5
Point72 Asset Management
Connecticut
$0
Name Market Value Shares Shares
Change 		Shares
Change %
Citigroup
51
Citigroup
New York
$3.18M 87,581 +19,651 +29%
Manulife (Manufacturers Life Insurance)
52
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$3.11M 85,622 +3,591 +4%
DA
53
DCF Advisers
Connecticut
$3.05M 84,000 +1,050 +1%
Ensign Peak Advisors
54
Ensign Peak Advisors
Utah
$2.94M 80,834 -45,388 -36%
Swiss National Bank
55
Swiss National Bank
Switzerland
$2.88M 79,200 -7,800 -9%
Squarepoint
56
Squarepoint
New York
$2.69M 74,030 +41,691 +129%
TI
57
Trexquant Investment
Connecticut
$2.46M 67,683 +10,840 +19%
PI
58
Putnam Investments
Massachusetts
$2.42M 66,516 +9,903 +17%
RhumbLine Advisers
59
RhumbLine Advisers
Massachusetts
$2.25M 61,920 -531 -0.9%
Handelsbanken Fonder
60
Handelsbanken Fonder
Sweden
$2.23M 61,400 +2,500 +4%
CS
61
Credit Suisse
Switzerland
$2.16M 59,304 +7,553 +15%
TC
62
TwinBeech Capital
New York
$2.11M 58,096 +39,720 +216%
SEC
63
Seven Eight Capital
New York
$2.07M 56,946 +56,946 New
PC
64
Pier Capital
Connecticut
$2.07M 56,829 -627 -1%
EP
65
Edgestream Partners
New Jersey
$1.84M 50,522 +50,522 New
AG
66
Algert Global
California
$1.79M 49,258 +21,258 +76%
SAM
67
Sectoral Asset Management
Quebec, Canada
$1.7M 46,777 -125,630 -73%
AllianceBernstein
68
AllianceBernstein
Tennessee
$1.7M 46,746 +1,000 +2%
VOYA Investment Management
69
VOYA Investment Management
Georgia
$1.68M 46,262 -46,584 -50%
Wells Fargo
70
Wells Fargo
California
$1.67M 45,970 -10,488 -19%
CM
71
Caption Management
Oklahoma
$1.67M 45,892 +45,892 New
RC
72
RBF Capital
California
$1.65M 45,362 -9,000 -17%
California State Teachers Retirement System (CalSTRS)
73
California State Teachers Retirement System (CalSTRS)
California
$1.55M 42,710 -1,422 -3%
PIM
74
Platinum Investment Management
Australia
$1.51M 41,508 – –
Legal & General Group
75
Legal & General Group
United Kingdom
$1.4M 38,397 -105 -0.3%
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