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Prothena Corp

127 hedge funds and large institutions have $508M invested in Prothena Corp in 2014 Q3 according to their latest regulatory filings, with 17 funds opening new positions, 42 increasing their positions, 38 reducing their positions, and 21 closing their positions.

New
Increased
Maintained
Reduced
Closed

39% more call options, than puts

Call options by funds: $10.3M | Put options by funds: $7.38M

11% more repeat investments, than reductions

Existing positions increased: 42 | Existing positions reduced: 38

4% less capital invested

Capital invested by funds: $531M → $508M (-$23.4M)

4% less funds holding

Funds holding: 132127 (-5)

19% less first-time investments, than exits

New positions opened: 17 | Existing positions closed: 21

100% less funds holding in top 10

Funds holding in top 10: 10 (-1)

Holders
127
Holders Change
-5
Holders Change %
-3.79%
% of All Funds
3.69%
Holding in Top 10
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-100%
% of All Funds
New
17
Increased
42
Reduced
38
Closed
21
Calls
$10.3M
Puts
$7.38M
Net Calls
+$2.89M
Net Calls Change
+$1.6M
Name Holding Trade Value Shares
Change
Change in
Stake
CAM
51
ClariVest Asset Management
California
$631K +$229K +10,784 +61%
DM
52
Deerfield Management
New York
$609K +$159K +7,500 +38%
RhumbLine Advisers
53
RhumbLine Advisers
Massachusetts
$592K +$47.7K +2,250 +9%
Citadel Advisors
54
Citadel Advisors
Florida
$585K -$2.27M -107,003 -80%
ProShare Advisors
55
ProShare Advisors
Maryland
$545K +$15.5K +729 +3%
California Public Employees Retirement System
56
California Public Employees Retirement System
California
$501K
MIG
57
Mariner Investment Group
New York
$492K +$174K +8,200 +59%
NFA
58
Nationwide Fund Advisors
Ohio
$452K +$76.6K +3,614 +22%
Group One Trading
59
Group One Trading
Illinois
$431K -$93.9K -4,431 -19%
AIG
60
American International Group
New York
$383K +$54.4K +2,568 +17%
Renaissance Technologies
61
Renaissance Technologies
New York
$383K -$734K -34,600 -67%
ARTA
62
A.R.T. Advisors
New York
$371K -$256K -12,059 -42%
BG
63
BlackRock Group
United Kingdom
$358K -$209K -9,875 -38%
DekaBank Deutsche Girozentrale
64
DekaBank Deutsche Girozentrale
Germany
$355K +$72.1K +3,400 +27%
OAC
65
OMERS Administration Corp
Ontario, Canada
$337K +$322K +15,200 New
State Board of Administration of Florida Retirement System
66
State Board of Administration of Florida Retirement System
Florida
$321K
AL
67
Airain Ltd
Guernsey
$311K -$73.8K -3,480 -20%
Morgan Stanley
68
Morgan Stanley
New York
$303K -$979K -46,171 -77%
ZIM
69
Zacks Investment Management
Illinois
$302K +$289K +13,609 New
Bank of America
70
Bank of America
North Carolina
$300K -$34.8M -1,642,507 -99%
Barclays
71
Barclays
United Kingdom
$295K +$29.3K +1,380 +11%
VOYA Investment Management
72
VOYA Investment Management
Georgia
$293K
HCM
73
Highbridge Capital Management
New York
$255K +$244K +11,515 New
PNC Financial Services Group
74
PNC Financial Services Group
Pennsylvania
$253K +$20.4K +962 +9%
OC
75
Oppenheimer & Co
New York
$245K +$234K +11,030 New

PRTA Hedge Fund Activity: Q3 2014 in Review

127 of the 3,446 institutional investors tracked by Wall St. Rank reported a position in Prothena Corp (PRTA) for Q3 2014, worth a combined $508M — down 4.4% from $531M a quarter earlier.

Sellers outnumbered buyers: 21 funds closed out of PRTA and 17 opened new positions — a net loss of 4 holders — while 38 trimmed existing stakes and 42 added.

The largest buyer was Fidelity Investments, adding an estimated $28.7M. The largest seller was Bank of America, cutting an estimated $34.8M.

  • 127 institutional investors held Prothena Corp (PRTA) as of Q3 2014, down from 132 in Q2 2014.
  • Funds reported $508M of Prothena Corp stock for Q3 2014, down 4.4% quarter-over-quarter.
  • 17 funds opened new Prothena Corp positions in Q3 2014 and 21 closed out, a net change of -4 holders.
  • The largest Prothena Corp buyer in Q3 2014 was Fidelity Investments, an estimated $28.7M added.
  • The largest Prothena Corp seller in Q3 2014 was Bank of America, an estimated $34.8M sold.

Based on aggregated 13F filings for Q3 2014.