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Prothena Corp
PRTA

Overview Fund Activity

142 hedge funds and large institutions have $1.55B invested in Prothena Corp in 2018 Q1 according to their latest regulatory filings, with 25 funds opening new positions, 45 increasing their positions, 37 reducing their positions, and 36 closing their positions.

Holders
142
Holders Change
-13
Holders Change %
-8.39%
% of All Funds
3.26%
Holding in Top 10
1
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.02%
New
25
Increased
45
Reduced
37
Closed
36
Calls
$64M
Puts
$20.6M
Net Calls
+$43.4M
Net Calls Change
+$43.9M

Top Buyers

1
Millennium Management
1
Millennium Management
New York
$32M
2
State Street
2
State Street
Massachusetts
$64.1M
3
CLM
3
ClearBridge LLC (Maryland)
Maryland
$10M
4
MWNA
4
Marshall Wace North America
New York
$7.31M
5
CCM
5
Camber Capital Management
Massachusetts
$9.18M

Top Sellers

1
Capital World Investors
1
Capital World Investors
California
$5.58M
2
T. Rowe Price Associates
2
T. Rowe Price Associates
Maryland
$208M
3
Jennison Associates
3
Jennison Associates
New York
$0
4
Westfield Capital Management
4
Westfield Capital Management
Massachusetts
$11.4M
5
PC
5
PointState Capital
New York
$0
Name Market Value Shares Shares
Change 		Shares
Change %
WIM
1
Woodford Investment Management
United Kingdom
$424M 11,557,614 +29,000 +0.3%
Fidelity Investments
2
Fidelity Investments
Massachusetts
$212M 5,776,280 +14,066 +0.2%
T. Rowe Price Associates
3
T. Rowe Price Associates
Maryland
$208M 5,676,587 -427,172 -7%
Wellington Management Group
4
Wellington Management Group
Massachusetts
$122M 3,324,114 +102,720 +3%
BlackRock
5
BlackRock
New York
$106M 2,885,232 -83,440 -3%
State Street
6
State Street
Massachusetts
$64.1M 1,747,095 +358,674 +26%
PAI
7
Palo Alto Investors
California
$40.4M 1,101,338 +5,683 +0.5%
AllianceBernstein
8
AllianceBernstein
Tennessee
$39M 1,063,635 +57,637 +6%
Millennium Management
9
Millennium Management
New York
$32M 871,309 +862,283 +9,553%
Vanguard Group
10
Vanguard Group
Pennsylvania
$27.5M 748,604 +9,935 +1%
Northern Trust
11
Northern Trust
Illinois
$16.9M 459,281 +2,983 +0.7%
BB
12
BB Biotech
Switzerland
$14.7M 400,000 +50,000 +14%
Norges Bank
13
Norges Bank
Norway
$13.8M 376,816 +28,800 +8%
Geode Capital Management
14
Geode Capital Management
Massachusetts
$13M 353,327 +8,017 +2%
VOYA Investment Management
15
VOYA Investment Management
Georgia
$11.8M 322,470 +25,737 +9%
PA
16
Pinnacle Associates
New York
$11.8M 320,874 -18,990 -6%
RSCM
17
Rock Springs Capital Management
Maryland
$11.7M 318,500 +8,500 +3%
Westfield Capital Management
18
Westfield Capital Management
Massachusetts
$11.4M 309,819 -370,840 -54%
CLM
19
ClearBridge LLC (Maryland)
Maryland
$10M 273,420 +273,420 New
Deutsche Bank
20
Deutsche Bank
Germany
$9.35M 254,703 +23,235 +10%
CCM
21
Camber Capital Management
Massachusetts
$9.18M 250,000 +125,000 +100%
Goldman Sachs
22
Goldman Sachs
New York
$8.76M 238,499 +82,325 +53%
MWNA
23
Marshall Wace North America
New York
$7.31M 199,129 +199,129 New
Bank of New York Mellon
24
Bank of New York Mellon
New York
$6.58M 179,253 +3,405 +2%
Charles Schwab
25
Charles Schwab
California
$6.43M 175,254 -6,625 -4%
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