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Prothena Corp
PRTA

Overview Fund Activity

120 hedge funds and large institutions have $414M invested in Prothena Corp in 2018 Q4 according to their latest regulatory filings, with 19 funds opening new positions, 35 increasing their positions, 32 reducing their positions, and 29 closing their positions.

Holders
120
Holders Change
-10
Holders Change %
-7.69%
% of All Funds
2.68%
Holding in Top 10
2
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+100%
% of All Funds
0.04%
New
19
Increased
35
Reduced
32
Closed
29
Calls
$3.91M
Puts
$11.9M
Net Calls
-$7.97M
Net Calls Change
+$11.1M

Top Buyers

1
EC
1
EcoR1 Capital
California
$8.63M
2
SCM
2
Scopia Capital Management
New York
$47.6M
3
Citadel Advisors
3
Citadel Advisors
Florida
$12.3M
4
Dimensional Fund Advisors
4
Dimensional Fund Advisors
Texas
$13.1M
5
HT
5
HAP Trading
New York
$6.75M

Top Sellers

1
Wellington Management Group
1
Wellington Management Group
Massachusetts
$22M
2
Millennium Management
2
Millennium Management
New York
$731K
3
T. Rowe Price Associates
3
T. Rowe Price Associates
Maryland
$0
4
State Street
4
State Street
Massachusetts
$15.7M
5
Bank of America
5
Bank of America
North Carolina
$5.45M
Name Market Value Shares Shares
Change 		Shares
Change %
WIM
1
Woodford Investment Management
United Kingdom
$123M 11,924,614 – –
Fidelity Investments
2
Fidelity Investments
Massachusetts
$50.6M 4,910,430 -131,934 -3%
SCM
3
Scopia Capital Management
New York
$47.6M 4,618,164 +701,757 +18%
BlackRock
4
BlackRock
New York
$34.6M 3,354,654 +43,266 +1%
Wellington Management Group
5
Wellington Management Group
Massachusetts
$22M 2,138,787 -1,219,474 -36%
State Street
6
State Street
Massachusetts
$15.7M 1,523,171 -409,827 -21%
Dimensional Fund Advisors
7
Dimensional Fund Advisors
Texas
$13.1M 1,272,832 +328,166 +35%
Citadel Advisors
8
Citadel Advisors
Florida
$12.3M 1,197,164 +582,464 +95%
PAI
9
Palo Alto Investors
California
$11.4M 1,108,510 +5,185 +0.5%
EC
10
EcoR1 Capital
California
$8.63M 838,219 +838,219 New
Vanguard Group
11
Vanguard Group
Pennsylvania
$7.15M 693,657 -74,778 -10%
HT
12
HAP Trading
New York
$6.75M 654,947 +298,892 +84%
Bank of America
13
Bank of America
North Carolina
$5.45M 529,262 -343,695 -39%
Geode Capital Management
14
Geode Capital Management
Massachusetts
$5.08M 492,808 +49,954 +11%
Northern Trust
15
Northern Trust
Illinois
$5.01M 486,124 -9,136 -2%
Goldman Sachs
16
Goldman Sachs
New York
$3.85M 373,902 -14,308 -4%
Bank of New York Mellon
17
Bank of New York Mellon
New York
$3.84M 373,072 +169,070 +83%
Two Sigma Investments
18
Two Sigma Investments
New York
$3.75M 363,576 +77,169 +27%
Charles Schwab
19
Charles Schwab
California
$2.27M 220,269 +18,879 +9%
Norges Bank
20
Norges Bank
Norway
$2.21M 214,791 -162,025 -43%
PA
21
Pinnacle Associates
New York
$2.05M 199,444 -38,316 -16%
Citigroup
22
Citigroup
New York
$1.87M 181,246 +104,539 +136%
PIM
23
Platinum Investment Management
Australia
$1.67M 161,846 +26,646 +20%
Two Sigma Advisers
24
Two Sigma Advisers
New York
$1.42M 137,700 +75,700 +122%
UBS Group
25
UBS Group
Switzerland
$1.34M 129,725 +120,072 +1,244%
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