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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 %
Invesco
26
Invesco
Georgia
$6.61M 243,353 +52,130 +27%
UBS AM
27
UBS AM
Illinois
$6.6M 243,010 -16,964 -7%
Two Sigma Investments
28
Two Sigma Investments
New York
$6.26M 230,427 -30,864 -12%
Millennium Management
29
Millennium Management
New York
$5.56M 204,670 -68,005 -25%
SC
30
Sessa Capital
New York
$5.08M 187,000 – –
Janus Henderson Group
31
Janus Henderson Group
United Kingdom
$4.97M 183,040 +177,545 +3,231%
Marshall Wace
32
Marshall Wace
United Kingdom
$4.84M 178,387 +167,861 +1,595%
GIM
33
Granahan Investment Management
Massachusetts
$4.33M 159,325 +35,219 +28%
Citadel Advisors
34
Citadel Advisors
Florida
$4.22M 155,511 +111,996 +257%
SG Americas Securities
35
SG Americas Securities
New York
$4.2M 154,588 +11,082 +8%
PA
36
Pinnacle Associates
New York
$3.92M 144,426 -408 -0.3%
Capital Fund Management (CFM)
37
Capital Fund Management (CFM)
France
$3.73M 137,496 +17,103 +14%
Handelsbanken Fonder
38
Handelsbanken Fonder
Sweden
$3.46M 127,500 +29,100 +30%
Bank of New York Mellon
39
Bank of New York Mellon
New York
$3.24M 119,364 -34,917 -23%
TD Asset Management
40
TD Asset Management
Ontario, Canada
$3.03M 111,641 -17,500 -14%
BC
41
Birchview Capital
Vermont
$2.78M 102,548 +60,570 +144%
Point72 Asset Management
42
Point72 Asset Management
Connecticut
$2.71M 99,900 -73,100 -42%
Wellington Management Group
43
Wellington Management Group
Massachusetts
$2.54M 93,454 -32 -0%
Citigroup
44
Citigroup
New York
$2.32M 85,382 +59,797 +234%
Rafferty Asset Management
45
Rafferty Asset Management
New York
$2.21M 81,472 -62,075 -43%
Swiss National Bank
46
Swiss National Bank
Switzerland
$2.1M 77,200 – –
Norges Bank
47
Norges Bank
Norway
$2.09M 76,800 – –
GC
48
Guggenheim Capital
Illinois
$2.07M 76,216 +76,216 New
DA
49
DCF Advisers
Connecticut
$1.84M 67,856 -8,144 -11%
Bank of America
50
Bank of America
North Carolina
$1.77M 65,344 -92,875 -59%
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