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Prothena Corp

147 hedge funds and large institutions have $1.42B invested in Prothena Corp in 2015 Q3 according to their latest regulatory filings, with 20 funds opening new positions, 47 increasing their positions, 45 reducing their positions, and 11 closing their positions.

New
Increased
Maintained
Reduced
Closed

82% more first-time investments, than exits

New positions opened: 20 | Existing positions closed: 11

37% more call options, than puts

Call options by funds: $13.1M | Put options by funds: $9.59M

7% more funds holding

Funds holding: 138147 (+9)

4% more repeat investments, than reductions

Existing positions increased: 47 | Existing positions reduced: 45

12% less capital invested

Capital invested by funds: $1.62B → $1.42B (-$195M)

33% less funds holding in top 10

Funds holding in top 10: 32 (-1)

Holders
147
Holders Change
+9
Holders Change %
+6.52%
% of All Funds
4.1%
Holding in Top 10
2
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-33.33%
% of All Funds
0.06%
New
20
Increased
47
Reduced
45
Closed
11
Calls
$13.1M
Puts
$9.59M
Net Calls
+$3.55M
Net Calls Change
+$1.99M
Name Holding Trade Value Shares
Change
Change in
Stake
ICAP
76
Independence Capital Asset Partners
Colorado
$634K -$381K -6,546 -32%
MIG
77
Mariner Investment Group
New York
$617K -$582K -10,000 -42%
VOYA Investment Management
78
VOYA Investment Management
Georgia
$616K -$93.8K -1,610 -11%
BG
79
BlackRock Group
United Kingdom
$608K +$368K +6,320 +89%
Two Sigma Advisers
80
Two Sigma Advisers
New York
$565K -$1.5M -25,700 -72%
D.E. Shaw & Co
81
D.E. Shaw & Co
New York
$556K -$239K -4,100 -25%
SAMC
82
Shinko Asset Management Company
Japan
$535K +$687K +11,794 New
Citigroup
83
Citigroup
New York
$521K +$234K +4,022 +54%
Public Employees Retirement Association of Colorado
84
Public Employees Retirement Association of Colorado
Colorado
$509K -$75.5K -1,297 -10%
Wells Fargo
85
Wells Fargo
California
$498K -$1.8M -30,982 -74%
HI
86
HBK Investments
Texas
$462K -$524K -9,000 -47%
Barclays
87
Barclays
United Kingdom
$416K +$378K +6,498 +236%
PPA
88
Parametric Portfolio Associates
Washington
$398K -$6.41K -110 -1%
Simplex Trading
89
Simplex Trading
Illinois
$390K +$265K +4,552 +112%
Royal Bank of Canada
90
Royal Bank of Canada
Ontario, Canada
$351K +$220K +3,784 +96%
SG Americas Securities
91
SG Americas Securities
New York
$345K -$1.09M -18,682 -71%
AQR Capital Management
92
AQR Capital Management
Connecticut
$318K +$408K +7,012 New
CPIG
93
Chicago Partners Investment Group
Illinois
$311K
MC
94
Moors & Cabot
Massachusetts
$298K +$381K +6,543 New
NYLIM
95
New York Life Investment Management
New York
$273K +$16.9K +291 +5%
HighTower Advisors
96
HighTower Advisors
Illinois
$255K +$326K +5,590 New
Tudor Investment Corp
97
Tudor Investment Corp
Connecticut
$254K -$381K -6,541 -54%
WC
98
Whitnell & Co
Illinois
$249K
Principal Financial Group
99
Principal Financial Group
Iowa
$240K +$33.6K +577 +12%
PNC Financial Services Group
100
PNC Financial Services Group
Pennsylvania
$237K -$127K -2,174 -29%

PRTA Hedge Fund Activity: Q3 2015 in Review

147 of the 3,582 institutional investors tracked by Wall St. Rank reported a position in Prothena Corp (PRTA) for Q3 2015, worth a combined $1.42B — down 12% from $1.62B a quarter earlier.

Buyers outnumbered sellers: 20 funds opened new PRTA positions and 11 closed out — a net gain of 9 holders — while 47 added to existing stakes and 45 trimmed.

The largest buyer was Woodford Investment Management, adding an estimated $39.3M. The largest seller was Westfield Capital Management, cutting an estimated $23.6M.

  • 147 institutional investors held Prothena Corp (PRTA) as of Q3 2015, up from 138 in Q2 2015.
  • Funds reported $1.42B of Prothena Corp stock for Q3 2015, down 12% quarter-over-quarter.
  • 20 funds opened new Prothena Corp positions in Q3 2015 and 11 closed out, a net change of +9 holders.
  • The largest Prothena Corp buyer in Q3 2015 was Woodford Investment Management, an estimated $39.3M added.
  • The largest Prothena Corp seller in Q3 2015 was Westfield Capital Management, an estimated $23.6M sold.

Based on aggregated 13F filings for Q3 2015.