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Prothena Corp
PRTA

Overview Fund Activity

118 hedge funds and large institutions have $832M invested in Prothena Corp in 2014 Q1 according to their latest regulatory filings, with 29 funds opening new positions, 42 increasing their positions, 23 reducing their positions, and 17 closing their positions.

Holders
118
Holders Change
+11
Holders Change %
+10.28%
% of All Funds
3.41%
Holding in Top 10
2
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.06%
New
29
Increased
42
Reduced
23
Closed
17
Calls
$8.75M
Puts
$9.26M
Net Calls
-$515K
Net Calls Change
-$2.3M

Top Buyers

1
Fidelity Investments
1
Fidelity Investments
Massachusetts
$149M
2
Capital World Investors
2
Capital World Investors
California
$31.7M
3
T. Rowe Price Associates
3
T. Rowe Price Associates
Maryland
$86.4M
4
O
4
OrbiMed
New York
$72.4M
5
Millennium Management
5
Millennium Management
New York
$28.4M

Top Sellers

1
Westfield Capital Management
1
Westfield Capital Management
Massachusetts
$19.7M
2
DM
2
Deerfield Management
New York
$0
3
Adage Capital Partners
3
Adage Capital Partners
Massachusetts
$31.3M
4
BBA
4
Baker Bros. Advisors
New York
$8.82M
5
RCM
5
RA Capital Management
Massachusetts
$59.6M
Name Holding Trade Value Shares
Change 		Shares
Change %
AI
51
Analytic Investors
California
$938K +$938K +24,478 New
HI
52
HBK Investments
Texas
$854K +$854K +22,300 New
TC
53
TFS Capital
Pennsylvania
$851K -$2.12M -55,378 -71%
California Public Employees Retirement System
54
California Public Employees Retirement System
California
$828K +$212K +7,110 +35%
AllianceBernstein
55
AllianceBernstein
Tennessee
$819K +$816K +21,300 +27,662%
SO
56
STRS Ohio
Ohio
$818K -$23K -600 -3%
PIM
57
Partner Investment Management
California
$815K +$815K +21,273 New
TA
58
Teachers Advisors
New York
$793K +$51K +1,330 +7%
Charles Schwab
59
Charles Schwab
California
$786K – – –
Group One Trading
60
Group One Trading
Illinois
$699K +$699K +18,256 New
Two Sigma Advisers
61
Two Sigma Advisers
New York
$671K +$671K +17,500 New
RhumbLine Advisers
62
RhumbLine Advisers
Massachusetts
$643K -$17.1K -445 -3%
Deutsche Bank
63
Deutsche Bank
Germany
$625K +$21K +548 +3%
CCMH
64
Cornerstone Capital Management Holdings
New York
$578K +$578K +15,100 New
DekaBank Deutsche Girozentrale
65
DekaBank Deutsche Girozentrale
Germany
$490K +$490K +12,800 New
NFA
66
Nationwide Fund Advisors
Ohio
$420K – – –
MLICM
67
Metropolitan Life Insurance Company (MetLife)
New York
$410K – – –
YMRC
68
Yorktown Management & Research Company
Virginia
$398K – – –
LIM
69
Leavell Investment Management
Alabama
$394K +$394K +10,284 New
QSS
70
Quantitative Systematic Strategies
Florida
$377K -$158K -4,291 -29%
AIG
71
American International Group
New York
$371K +$8.89K +232 +2%
ORI
72
Oak Ridge Investments
Illinois
$368K +$368K +9,601 New
BA
73
BlackRock Advisors
Delaware
$285K +$12.6K +329 +5%
NA
74
Navellier & Associates
Nevada
$271K +$271K +7,065 New
Bank of America
75
Bank of America
North Carolina
$261K +$24.5K +638 +10%
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