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Prothena Corp
PRTA

Overview Fund Activity

132 hedge funds and large institutions have $531M invested in Prothena Corp in 2014 Q2 according to their latest regulatory filings, with 39 funds opening new positions, 50 increasing their positions, 18 reducing their positions, and 25 closing their positions.

Holders
132
Holders Change
+14
Holders Change %
+11.86%
% of All Funds
3.8%
Holding in Top 10
1
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-50%
% of All Funds
0.03%
New
39
Increased
50
Reduced
18
Closed
25
Calls
$6.8M
Puts
$5.51M
Net Calls
+$1.29M
Net Calls Change
+$1.8M

Top Buyers

1
Bank of America
1
Bank of America
North Carolina
$37.3M
2
Wellington Management Group
2
Wellington Management Group
Massachusetts
$53.3M
3
State Street
3
State Street
Massachusetts
$20.3M
4
T. Rowe Price Associates
4
T. Rowe Price Associates
Maryland
$66.2M
5
Westfield Capital Management
5
Westfield Capital Management
Massachusetts
$23.9M

Top Sellers

1
O
1
OrbiMed
New York
$0
2
RCM
2
RA Capital Management
Massachusetts
$0
3
Fidelity Investments
3
Fidelity Investments
Massachusetts
$62.1M
4
PHS
4
PFM Health Sciences
California
$0
5
CAM
5
Cormorant Asset Management
Massachusetts
$0
Name Market Value Shares Shares
Change 		Shares
Change %
Northern Trust
26
Northern Trust
Illinois
$4.07M 180,558 -11,144 -6%
Balyasny Asset Management
27
Balyasny Asset Management
Illinois
$3.96M 175,611 +175,611 New
TI
28
Turner Investments
Pennsylvania
$3.39M 150,240 +150,240 New
RSCM
29
Rock Springs Capital Management
Maryland
$3.38M 150,000 +85,000 +131%
Geode Capital Management
30
Geode Capital Management
Massachusetts
$3.27M 145,169 +22,725 +19%
Citadel Advisors
31
Citadel Advisors
Florida
$3.01M 133,403 +133,403 New
CCP
32
Clough Capital Partners
Massachusetts
$2.39M 105,800 +105,800 New
Deutsche Bank
33
Deutsche Bank
Germany
$2.32M 102,928 +86,588 +530%
ERSOT
34
Employees Retirement System of Texas
Texas
$2.26M 100,000 +100,000 New
CLG
35
Cooperman Leon G
$2.26M 100,000 +100,000 New
Bank of New York Mellon
36
Bank of New York Mellon
New York
$2.2M 97,441 +11,604 +14%
UOC
37
UBS O'Connor
Illinois
$2.12M 93,800 +93,800 New
D.E. Shaw & Co
38
D.E. Shaw & Co
New York
$2.06M 91,337 +91,337 New
CS
39
Credit Suisse
Switzerland
$1.89M 83,659 +57,362 +218%
Two Sigma Investments
40
Two Sigma Investments
New York
$1.77M 78,479 +12,696 +19%
Prudential Financial
41
Prudential Financial
New Jersey
$1.61M 71,570 +71,570 New
BIM
42
BlackRock Investment Management
Delaware
$1.56M 69,282 +20,730 +43%
American Century Companies
43
American Century Companies
Missouri
$1.52M 67,294 +67,294 New
WMSA
44
Weiss Multi-Strategy Advisers
New York
$1.47M 65,000 +25,000 +63%
Morgan Stanley
45
Morgan Stanley
New York
$1.35M 59,853 -148,744 -71%
Goldman Sachs
46
Goldman Sachs
New York
$1.34M 59,182 +26,980 +84%
PP
47
PDT Partners
New York
$1.29M 57,331 +57,331 New
Susquehanna International Group
48
Susquehanna International Group
Pennsylvania
$1.23M 54,586 +54,586 New
Marshall Wace
49
Marshall Wace
United Kingdom
$1.18M 52,245 +52,245 New
Renaissance Technologies
50
Renaissance Technologies
New York
$1.17M 51,900 -27,212 -34%
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