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Prothena Corp
PRTA

Overview Fund Activity

141 hedge funds and large institutions have $584M invested in Prothena Corp in 2019 Q4 according to their latest regulatory filings, with 24 funds opening new positions, 37 increasing their positions, 38 reducing their positions, and 13 closing their positions.

Holders
141
Holders Change
+11
Holders Change %
+8.46%
% of All Funds
2.78%
Holding in Top 10
1
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-50%
% of All Funds
0.02%
New
24
Increased
37
Reduced
38
Closed
13
Calls
$8.21M
Puts
$231K
Net Calls
+$7.98M
Net Calls Change
+$7.06M

Top Buyers

1
WP
1
Woodline Partners
California
$5.13M
2
Point72 Asset Management
2
Point72 Asset Management
Connecticut
$5.1M
3
AG
3
Artal Group
Luxembourg
$4.75M
4
PA
4
Pinnacle Associates
New York
$6.33M
5
Balyasny Asset Management
5
Balyasny Asset Management
Illinois
$1.9M

Top Sellers

1
Millennium Management
1
Millennium Management
New York
$8.33M
2
Citadel Advisors
2
Citadel Advisors
Florida
$14.6M
3
Morgan Stanley
3
Morgan Stanley
New York
$1.29M
4
State Street
4
State Street
Massachusetts
$16.4M
5
O
5
OrbiMed
New York
$45.9M
Name Market Value Shares Shares
Change 		Shares
Change %
EC
1
EcoR1 Capital
California
$149M 9,426,640 – –
BlackRock
2
BlackRock
New York
$54.2M 3,424,763 -2,491 -0.1%
Fidelity Investments
3
Fidelity Investments
Massachusetts
$52.7M 3,327,349 -45,210 -1%
O
4
OrbiMed
New York
$45.9M 2,902,239 -119,878 -4%
GPP
5
Great Point Partners
Connecticut
$33.3M 2,100,941 +34,900 +2%
Dimensional Fund Advisors
6
Dimensional Fund Advisors
Texas
$29M 1,832,029 -2,470 -0.1%
State Street
7
State Street
Massachusetts
$16.4M 1,038,272 -158,351 -13%
PAI
8
Palo Alto Investors
California
$15.7M 992,749 -11,700 -1%
Wellington Management Group
9
Wellington Management Group
Massachusetts
$15.4M 973,900 -74,672 -7%
Citadel Advisors
10
Citadel Advisors
Florida
$14.6M 924,206 -466,106 -34%
Vanguard Group
11
Vanguard Group
Pennsylvania
$12.2M 768,497 -83,762 -10%
Geode Capital Management
12
Geode Capital Management
Massachusetts
$9.01M 569,335 +37,767 +7%
Millennium Management
13
Millennium Management
New York
$8.33M 526,269 -702,207 -57%
Northern Trust
14
Northern Trust
Illinois
$8.15M 514,866 +20,816 +4%
Goldman Sachs
15
Goldman Sachs
New York
$7.43M 469,225 +109,645 +30%
TCM
16
Tang Capital Management
California
$6.71M 423,823 – –
PA
17
Pinnacle Associates
New York
$6.33M 399,787 +211,319 +112%
Nuveen Asset Management
18
Nuveen Asset Management
Illinois
$6.03M 380,823 +112,202 +42%
D.E. Shaw & Co
19
D.E. Shaw & Co
New York
$5.46M 344,612 -9,195 -3%
Bank of New York Mellon
20
Bank of New York Mellon
New York
$5.33M 336,512 +2,683 +0.8%
WP
21
Woodline Partners
California
$5.13M 324,005 +324,005 New
Point72 Asset Management
22
Point72 Asset Management
Connecticut
$5.1M 322,300 +322,300 New
Jacobs Levy Equity Management
23
Jacobs Levy Equity Management
New Jersey
$4.98M 314,325 +24,513 +8%
LCM
24
Lonestar Capital Management
California
$4.75M 300,000 – –
AG
25
Artal Group
Luxembourg
$4.75M 300,000 +300,000 New
1
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