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Prothena Corp

138 hedge funds and large institutions have $1.62B invested in Prothena Corp in 2015 Q2 according to their latest regulatory filings, with 25 funds opening new positions, 48 increasing their positions, 35 reducing their positions, and 10 closing their positions.

New
Increased
Maintained
Reduced
Closed

150% more first-time investments, than exits

New positions opened: 25 | Existing positions closed: 10

59% more capital invested

Capital invested by funds: $1.02B → $1.62B (+$599M)

50% more funds holding in top 10

Funds holding in top 10: 23 (+1)

37% more repeat investments, than reductions

Existing positions increased: 48 | Existing positions reduced: 35

15% more call options, than puts

Call options by funds: $12.2M | Put options by funds: $10.6M

11% more funds holding

Funds holding: 124138 (+14)

Holders
138
Holders Change
+14
Holders Change %
+11.29%
% of All Funds
3.72%
Holding in Top 10
3
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+50%
% of All Funds
0.08%
New
25
Increased
48
Reduced
35
Closed
10
Calls
$12.2M
Puts
$10.6M
Net Calls
+$1.56M
Net Calls Change
+$6.55M
Name Holding Trade Value Shares
Change
Change in
Stake
OAC
76
OMERS Administration Corp
Ontario, Canada
$679K
QIM
77
Quantitative Investment Management
Virginia
$679K +$509K +12,900 New
Public Employees Retirement Association of Colorado
78
Public Employees Retirement Association of Colorado
Colorado
$660K -$49.4K -1,252 -9%
Tudor Investment Corp
79
Tudor Investment Corp
Connecticut
$640K +$479K +12,142 New
Morgan Stanley
80
Morgan Stanley
New York
$546K -$62.8K -1,591 -13%
GGHC
81
Gilder Gagnon Howe & Co
New York
$491K +$368K +9,321 New
PPA
82
Parametric Portfolio Associates
Washington
$468K +$108K +2,729 +44%
Citigroup
83
Citigroup
New York
$395K -$71.5K -1,812 -19%
PNC Financial Services Group
84
PNC Financial Services Group
Pennsylvania
$391K -$86.7K -2,197 -23%
BG
85
BlackRock Group
United Kingdom
$374K -$55K -1,393 -16%
CPIG
86
Chicago Partners Investment Group
Illinois
$362K -$260K -6,600 -49%
FMT
87
First Mercantile Trust
Tennessee
$320K +$239K +6,068 New
TCM
88
Traynor Capital Management
Pennsylvania
$306K +$230K +5,828 New
NYLIM
89
New York Life Investment Management
New York
$302K +$9.39K +238 +4%
WC
90
Whitnell & Co
Illinois
$289K
BNP Paribas Financial Markets
91
BNP Paribas Financial Markets
France
$278K +$77.8K +1,972 +60%
WMSA
92
Weiss Multi-Strategy Advisers
New York
$263K -$789K -20,000 -80%
Principal Financial Group
93
Principal Financial Group
Iowa
$248K +$186K +4,716 New
M&T Bank
94
M&T Bank
New York
$239K +$179K +4,528 New
GCP
95
GSA Capital Partners
United Kingdom
$225K +$169K +4,280 New
Simplex Trading
96
Simplex Trading
Illinois
$213K -$198K -5,005 -55%
Royal Bank of Canada
97
Royal Bank of Canada
Ontario, Canada
$208K -$562K -14,251 -78%
HFS
98
HL Financial Services
Kentucky
$208K +$156K +3,948 New
Barclays
99
Barclays
United Kingdom
$143K -$162K -4,110 -60%
PAM
100
Panagora Asset Management
Massachusetts
$123K -$122K -3,081 -57%

PRTA Hedge Fund Activity: Q2 2015 in Review

138 of the 3,711 institutional investors tracked by Wall St. Rank reported a position in Prothena Corp (PRTA) for Q2 2015, worth a combined $1.62B — up 59% from $1.02B a quarter earlier.

Buyers outnumbered sellers: 25 funds opened new PRTA positions and 10 closed out — a net gain of 15 holders — while 48 added to existing stakes and 35 trimmed.

The largest buyer was Woodford Investment Management, adding an estimated $71.8M. The largest seller was Westfield Capital Management, cutting an estimated $13.5M.

  • 138 institutional investors held Prothena Corp (PRTA) as of Q2 2015, up from 124 in Q1 2015.
  • Funds reported $1.62B of Prothena Corp stock for Q2 2015, up 59% quarter-over-quarter.
  • 25 funds opened new Prothena Corp positions in Q2 2015 and 10 closed out, a net change of +15 holders.
  • The largest Prothena Corp buyer in Q2 2015 was Woodford Investment Management, an estimated $71.8M added.
  • The largest Prothena Corp seller in Q2 2015 was Westfield Capital Management, an estimated $13.5M sold.

Based on aggregated 13F filings for Q2 2015.