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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.

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 Market Value Shares Shares
Change 		Shares
Change %
EC
1
EcoR1 Capital
California
$73.9M 9,426,640 +8,703,340 +1,203%
BlackRock
2
BlackRock
New York
$26.9M 3,427,254 +75,346 +2%
Fidelity Investments
3
Fidelity Investments
Massachusetts
$26.4M 3,372,559 -722,610 -18%
O
4
OrbiMed
New York
$23.7M 3,022,117 -43,161 -1%
GPP
5
Great Point Partners
Connecticut
$16.2M 2,066,041 +389,791 +23%
Dimensional Fund Advisors
6
Dimensional Fund Advisors
Texas
$14.4M 1,834,499 +60,519 +3%
Citadel Advisors
7
Citadel Advisors
Florida
$10.9M 1,390,312 -101,290 -7%
Millennium Management
8
Millennium Management
New York
$9.63M 1,228,476 +692,291 +129%
State Street
9
State Street
Massachusetts
$9.38M 1,196,623 -184,789 -13%
Wellington Management Group
10
Wellington Management Group
Massachusetts
$8.22M 1,048,572 -78,217 -7%
PAI
11
Palo Alto Investors
California
$7.88M 1,004,449 -104,061 -9%
Vanguard Group
12
Vanguard Group
Pennsylvania
$6.68M 852,259 +38,883 +5%
Morgan Stanley
13
Morgan Stanley
New York
$4.29M 546,596 -36,939 -6%
Geode Capital Management
14
Geode Capital Management
Massachusetts
$4.17M 531,568 -45,647 -8%
Northern Trust
15
Northern Trust
Illinois
$3.87M 494,050 -26,761 -5%
TCM
16
Tang Capital Management
California
$3.32M 423,823 +100,000 +31%
Goldman Sachs
17
Goldman Sachs
New York
$2.82M 359,580 -125,994 -26%
D.E. Shaw & Co
18
D.E. Shaw & Co
New York
$2.77M 353,807 -74,423 -17%
Bank of New York Mellon
19
Bank of New York Mellon
New York
$2.62M 333,829 -5,483 -2%
LCM
20
Lonestar Capital Management
California
$2.35M 300,000 +300,000 New
Jacobs Levy Equity Management
21
Jacobs Levy Equity Management
New Jersey
$2.27M 289,812 +46,521 +19%
Nuveen Asset Management
22
Nuveen Asset Management
Illinois
$2.11M 268,621 +15,651 +6%
Charles Schwab
23
Charles Schwab
California
$1.83M 233,616 -724 -0.3%
Two Sigma Advisers
24
Two Sigma Advisers
New York
$1.73M 220,700 -54,800 -20%
OAM
25
Oxford Asset Management
United Kingdom
$1.54M 196,349 +134 +0.1%
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