PRTA icon

Prothena Corp
PRTA

Overview Fund Activity

146 hedge funds and large institutions have $1B invested in Prothena Corp in 2021 Q1 according to their latest regulatory filings, with 22 funds opening new positions, 39 increasing their positions, 49 reducing their positions, and 13 closing their positions.

Holders
146
Holders Change
+6
Holders Change %
+4.29%
% of All Funds
2.57%
Holding in Top 10
3
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.05%
New
22
Increased
39
Reduced
49
Closed
13
Calls
$16.5M
Puts
$5.57M
Net Calls
+$10.9M
Net Calls Change
+$8.89M

Top Buyers

1
T. Rowe Price Associates
1
T. Rowe Price Associates
Maryland
$83.2M
2
RG
2
Redmile Group
California
$46.7M
3
Fidelity Investments
3
Fidelity Investments
Massachusetts
$78.3M
4
EC
4
EcoR1 Capital
California
$277M
5
FLAM
5
First Light Asset Management
Minnesota
$73.7M

Top Sellers

1
O
1
OrbiMed
New York
$0
2
IC
2
Ikarian Capital
Texas
$11M
3
Millennium Management
3
Millennium Management
New York
$577K
4
PM
4
Prosight Management
Texas
$15.1M
5
GPP
5
Great Point Partners
Connecticut
$0
Name Holding Trade Value Shares
Change 		Shares
Change %
RC
51
RBF Capital
California
$1.14M – – –
AllianceBernstein
52
AllianceBernstein
Tennessee
$1.08M -$183K -7,300 -15%
State of Wisconsin Investment Board
53
State of Wisconsin Investment Board
Wisconsin
$1.04M -$40.2K -1,600 -4%
Rafferty Asset Management
54
Rafferty Asset Management
New York
$1.03M +$1.03M +41,078 New
Los Angeles Capital Management
55
Los Angeles Capital Management
California
$984K -$10K -400 -1%
MWNA
56
Marshall Wace North America
New York
$769K +$465K +18,497 +153%
Barclays
57
Barclays
United Kingdom
$740K +$308K +12,288 +71%
CAM
58
ClariVest Asset Management
California
$722K +$721K +28,700 +68,333%
SFI
59
Susquehanna Fundamental Investments
Pennsylvania
$720K +$400K +15,920 +125%
New York State Common Retirement Fund
60
New York State Common Retirement Fund
New York
$698K – – –
Principal Financial Group
61
Principal Financial Group
Iowa
$679K +$51.9K +2,067 +8%
Edgewood Management
62
Edgewood Management
Connecticut
$628K – – –
UBS Group
63
UBS Group
Switzerland
$605K +$388K +15,463 +179%
Walleye Trading
64
Walleye Trading
New York
$593K -$460K -18,308 -44%
VEA
65
Virtus ETF Advisers
New York
$593K +$10.6K +423 +2%
Marshall Wace
66
Marshall Wace
United Kingdom
$591K -$992K -39,520 -63%
Millennium Management
67
Millennium Management
New York
$577K -$13.3M -527,314 -96%
Wells Fargo
68
Wells Fargo
California
$576K -$621K -24,764 -52%
SM
69
SG3 Management
Puerto Rico
$565K +$439K +17,500 +350%
CM
70
Caption Management
Oklahoma
$528K +$528K +21,000 New
Wellington Management Group
71
Wellington Management Group
Massachusetts
$517K -$5.13M -204,144 -91%
Deutsche Bank
72
Deutsche Bank
Germany
$503K -$185K -7,363 -27%
CS
73
Credit Suisse
Switzerland
$488K -$412K -16,428 -46%
ACM
74
Atika Capital Management
New York
$450K +$450K +17,906 New
Ameriprise
75
Ameriprise
Minnesota
$447K -$585K -23,277 -57%
1 2
3
4 5