PRTA icon

Prothena Corp
PRTA

Overview Fund Activity

183 hedge funds and large institutions have $2.7B invested in Prothena Corp in 2022 Q3 according to their latest regulatory filings, with 40 funds opening new positions, 52 increasing their positions, 52 reducing their positions, and 20 closing their positions.

Holders
183
Holders Change
+17
Holders Change %
+10.24%
% of All Funds
3.16%
Holding in Top 10
9
Holding in Top 10 Change
+4
Holding in Top 10 Change %
+80%
% of All Funds
0.16%
New
40
Increased
52
Reduced
52
Closed
20
Calls
$58.2M
Puts
$30.5M
Net Calls
+$27.7M
Net Calls Change
+$13.8M

Top Buyers

1
APM
1
Avidity Partners Management
Texas
$119M
2
PHS
2
PFM Health Sciences
California
$50.9M
3
Federated Hermes
3
Federated Hermes
Pennsylvania
$21.2M
4
Wellington Management Group
4
Wellington Management Group
Massachusetts
$26.2M
5
SCM
5
Suvretta Capital Management
New York
$19.2M

Top Sellers

1
T. Rowe Price Associates
1
T. Rowe Price Associates
Maryland
$181M
2
FLAM
2
First Light Asset Management
Minnesota
$93.3M
3
State Street
3
State Street
Massachusetts
$114M
4
BlackRock
4
BlackRock
New York
$190M
5
Nuveen Asset Management
5
Nuveen Asset Management
Illinois
$29.7M
Name Holding Trade Value Shares
Change 		Shares
Change %
FC
26
Finepoint Capital
Massachusetts
$18.5M -$9.22M -152,100 -33%
BC
27
Boxer Capital
California
$18.2M – – –
Charles Schwab
28
Charles Schwab
California
$17.3M +$501K +8,267 +3%
JPMorgan Chase & Co
29
JPMorgan Chase & Co
New York
$17.1M -$267K -4,397 -2%
Goldman Sachs
30
Goldman Sachs
New York
$16.2M -$221K -3,647 -1%
UBS AM
31
UBS AM
Illinois
$14.7M – – –
PBA
32
Paradigm Biocapital Advisors
New York
$14.3M +$14.3M +235,826 New
EAM
33
Eventide Asset Management
Massachusetts
$13.9M +$13.9M +230,000 New
PA
34
Perceptive Advisors
New York
$13.9M +$13.9M +230,000 New
Citadel Advisors
35
Citadel Advisors
Florida
$11.4M +$2.01M +33,132 +21%
SC
36
Sessa Capital
New York
$11.3M – – –
Point72 Asset Management
37
Point72 Asset Management
Connecticut
$10.2M +$4.15M +68,500 +69%
Morgan Stanley
38
Morgan Stanley
New York
$10.1M -$11.3M -186,083 -53%
GIM
39
Granahan Investment Management
Massachusetts
$8.56M -$1.1M -18,217 -11%
Bank of New York Mellon
40
Bank of New York Mellon
New York
$8.5M +$1.26M +20,828 +17%
PA
41
Pinnacle Associates
New York
$8.49M -$263K -4,330 -3%
Two Sigma Investments
42
Two Sigma Investments
New York
$8.23M -$5.74M -94,742 -41%
SG Americas Securities
43
SG Americas Securities
New York
$8.22M -$1.15M -19,000 -12%
Millennium Management
44
Millennium Management
New York
$7.85M -$4.56M -75,233 -37%
BC
45
Birchview Capital
Vermont
$7.21M +$994K +16,397 +16%
SCM
46
Silverarc Capital Management
Massachusetts
$6.67M +$6.67M +110,000 New
Marshall Wace
47
Marshall Wace
United Kingdom
$6.54M -$4.28M -70,584 -40%
Rafferty Asset Management
48
Rafferty Asset Management
New York
$6.47M +$1.53M +25,194 +31%
D.E. Shaw & Co
49
D.E. Shaw & Co
New York
$6.38M +$2.67M +44,034 +72%
Susquehanna International Group
50
Susquehanna International Group
Pennsylvania
$5.98M +$4.05M +66,725 +209%
1
2
3 4 5