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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
SO
101
STRS Ohio
Ohio
$81K
Teacher Retirement System of Texas
102
Teacher Retirement System of Texas
Texas
$62K +$14K +354 +43%
CSS
103
Cubist Systematic Strategies
Connecticut
$62K +$46.5K +1,177 New
FWM
104
Focused Wealth Management
New York
$53K
TRCT
105
Tower Research Capital (TRC)
New York
$46K -$91.8K -2,326 -72%
BlackRock
106
BlackRock
New York
$44K +$7.1K +180 +28%
WEC
107
Winslow Evans & Crocker
Massachusetts
$39.5K
US Bancorp
108
US Bancorp
Minnesota
$39K
GT
109
Glenmede Trust
Pennsylvania
$21K -$4.78K -121 -23%
MWP
110
MYCIO Wealth Partners
Pennsylvania
$14K
BJ
111
BlackRock Japan
Japan
$14K +$1.66K +42 +19%
Bank of Montreal
112
Bank of Montreal
Ontario, Canada
$9K -$105K -2,659 -94%
Zurich Cantonal Bank
113
Zurich Cantonal Bank
Switzerland
$9K +$6.79K +172 New
PSUF
114
People's United Financial
Connecticut
$6K -$947 -24 -17%
FNBT
115
FineMark National Bank & Trust
Florida
$6K
LS
116
Lupo Securities
Illinois
$6K
HR
117
Howe & Rusling
New York
$5K
HNB
118
Huntington National Bank
Ohio
$4K
LTFS
119
Ladenburg Thalmann Financial Services
Florida
$4K
JIC
120
Joel Isaacson & Co
New York
$3K +$39 +1 +2%
CFA
121
Camarda Financial Advisors
Florida
$1K -$197 -5 -29%
BKA
122
Brick & Kyle Associates
Pennsylvania
$1K
GI
123
Gradient Investments
Minnesota
$1K
PSI
124
Pinnacle Summer Investments
Virginia
$1K
TCM
125
Tradewinds Capital Management
Washington
$1K

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.