PRTA icon

Prothena Corp
PRTA

Overview Fund Activity

129 hedge funds and large institutions have $398M invested in Prothena Corp in 2020 Q1 according to their latest regulatory filings, with 12 funds opening new positions, 38 increasing their positions, 38 reducing their positions, and 21 closing their positions.

Holders
129
Holders Change
-12
Holders Change %
-8.51%
% of All Funds
2.85%
Holding in Top 10
2
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+100%
% of All Funds
0.04%
New
12
Increased
38
Reduced
38
Closed
21
Calls
$2.57M
Puts
$614K
Net Calls
+$1.96M
Net Calls Change
-$6.02M

Top Buyers

1
RSCM
1
Rock Springs Capital Management
Maryland
$5.35M
2
Point72 Asset Management
2
Point72 Asset Management
Connecticut
$5.52M
3
Hudson Bay Capital Management
3
Hudson Bay Capital Management
Connecticut
$1.93M
4
ECM
4
Endurant Capital Management
California
$2.74M
5
Nuveen Asset Management
5
Nuveen Asset Management
Illinois
$5.48M

Top Sellers

1
PAI
1
Palo Alto Investors
California
$8.3M
2
Fidelity Investments
2
Fidelity Investments
Massachusetts
$33.5M
3
Balyasny Asset Management
3
Balyasny Asset Management
Illinois
$0
4
OAM
4
Oxford Asset Management
United Kingdom
$0
5
Citadel Advisors
5
Citadel Advisors
Florida
$8.09M
Name Market Value Shares Shares
Change 		Shares
Change %
EC
1
EcoR1 Capital
California
$101M 9,426,640 – –
BlackRock
2
BlackRock
New York
$36.3M 3,389,014 -35,749 -1%
Fidelity Investments
3
Fidelity Investments
Massachusetts
$33.5M 3,133,253 -194,096 -6%
O
4
OrbiMed
New York
$31.1M 2,902,239 – –
GPP
5
Great Point Partners
Connecticut
$22.3M 2,082,841 -18,100 -0.9%
Dimensional Fund Advisors
6
Dimensional Fund Advisors
Texas
$19.6M 1,827,400 -4,629 -0.3%
State Street
7
State Street
Massachusetts
$11.3M 1,053,448 +15,176 +1%
Wellington Management Group
8
Wellington Management Group
Massachusetts
$9.96M 930,796 -43,104 -4%
Vanguard Group
9
Vanguard Group
Pennsylvania
$8.48M 792,253 +23,756 +3%
PAI
10
Palo Alto Investors
California
$8.3M 775,296 -217,453 -22%
Citadel Advisors
11
Citadel Advisors
Florida
$8.09M 756,431 -167,775 -18%
Millennium Management
12
Millennium Management
New York
$6.81M 636,810 +110,541 +21%
Geode Capital Management
13
Geode Capital Management
Massachusetts
$6.31M 590,126 +20,791 +4%
Point72 Asset Management
14
Point72 Asset Management
Connecticut
$5.52M 516,043 +193,743 +60%
Northern Trust
15
Northern Trust
Illinois
$5.51M 514,846 -20 -0%
Nuveen Asset Management
16
Nuveen Asset Management
Illinois
$5.48M 512,306 +131,483 +35%
RSCM
17
Rock Springs Capital Management
Maryland
$5.35M 500,000 +500,000 New
WP
18
Woodline Partners
California
$4.55M 424,916 +100,911 +31%
TCM
19
Tang Capital Management
California
$4.54M 423,823 – –
Goldman Sachs
20
Goldman Sachs
New York
$4.38M 409,099 -60,126 -13%
PA
21
Pinnacle Associates
New York
$3.73M 348,956 -50,831 -13%
LCM
22
Lonestar Capital Management
California
$3.64M 340,006 +40,006 +13%
D.E. Shaw & Co
23
D.E. Shaw & Co
New York
$3.62M 338,449 -6,163 -2%
Jacobs Levy Equity Management
24
Jacobs Levy Equity Management
New Jersey
$3.56M 332,716 +18,391 +6%
Bank of New York Mellon
25
Bank of New York Mellon
New York
$3.56M 332,440 -4,072 -1%
1
2 3 4 5