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Prothena Corp
PRTA

Overview Fund Activity

130 hedge funds and large institutions have $294M invested in Prothena Corp in 2019 Q3 according to their latest regulatory filings, with 11 funds opening new positions, 34 increasing their positions, 45 reducing their positions, and 19 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
130
Holders Change
-8
Holders Change %
-5.8%
% of All Funds
2.86%
Holding in Top 10
2
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.04%
New
11
Increased
34
Reduced
45
Closed
19
Calls
$1.07M
Puts
$149K
Net Calls
+$920K
Net Calls Change
+$405K

Top Buyers

1
EC
1
EcoR1 Capital
California
$73.9M
2
Millennium Management
2
Millennium Management
New York
$9.63M
3
GPP
3
Great Point Partners
Connecticut
$16.2M
4
LCM
4
Lonestar Capital Management
California
$2.35M
5
Verition Fund Management
5
Verition Fund Management
Connecticut
$1.24M

Top Sellers

1
WIM
1
Woodford Investment Management
United Kingdom
$0
2
Fidelity Investments
2
Fidelity Investments
Massachusetts
$26.4M
3
American Century Companies
3
American Century Companies
Missouri
$0
4
Two Sigma Investments
4
Two Sigma Investments
New York
$949K
5
Marshall Wace
5
Marshall Wace
United Kingdom
$0
Name Holding Trade Value Shares
Change 		Shares
Change %
Susquehanna International Group
51
Susquehanna International Group
Pennsylvania
$362K -$356K -45,350 -50%
Renaissance Technologies
52
Renaissance Technologies
New York
$353K +$353K +45,000 New
PPA
53
Parametric Portfolio Associates
Washington
$310K -$47.2K -6,028 -13%
Ameriprise
54
Ameriprise
Minnesota
$306K +$53.2K +6,783 +21%
Rafferty Asset Management
55
Rafferty Asset Management
New York
$305K -$76K -9,708 -20%
New York State Common Retirement Fund
56
New York State Common Retirement Fund
New York
$298K -$30.9K -3,931 -9%
Squarepoint
57
Squarepoint
New York
$297K -$859K -109,721 -74%
Citigroup
58
Citigroup
New York
$297K -$213K -27,191 -42%
PP
59
PDT Partners
New York
$293K -$144K -18,415 -33%
Invesco
60
Invesco
Georgia
$279K -$10.8K -1,381 -4%
UBS AM
61
UBS AM
Illinois
$269K +$27.1K +3,452 +11%
Bank of America
62
Bank of America
North Carolina
$264K -$1.63M -207,531 -86%
CS
63
Credit Suisse
Switzerland
$227K +$25.6K +3,271 +13%
VEA
64
Virtus ETF Advisers
New York
$211K -$11.8K -1,497 -5%
Wells Fargo
65
Wells Fargo
California
$211K +$24.1K +3,077 +13%
Manulife (Manufacturers Life Insurance)
66
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$201K – – –
AIG
67
American International Group
New York
$199K -$1.38K -176 -0.7%
Connor, Clark & Lunn Investment Management (CC&L)
68
Connor, Clark & Lunn Investment Management (CC&L)
British Columbia, Canada
$188K +$36K +4,575 +24%
State Board of Administration of Florida Retirement System
69
State Board of Administration of Florida Retirement System
Florida
$179K – – –
ARTA
70
A.R.T. Advisors
New York
$155K -$60.6K -7,700 -28%
GCP
71
GSA Capital Partners
United Kingdom
$155K +$155K +19,805 New
VOYA Investment Management
72
VOYA Investment Management
Georgia
$145K – – –
MIM
73
MetLife Investment Management
New Jersey
$144K – – –
Simplex Trading
74
Simplex Trading
Illinois
$135K -$8.94K -1,147 -6%
AG
75
Aperio Group
California
$122K +$48.2K +6,157 +65%
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