Prothena Corp
PRTA
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.
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: 138 → 147 (+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 (-$196M)
33% less funds holding in top 10
Funds holding in top 10: 3 → 2 (-1)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
WIM
Woodford Investment Management
London,
United Kingdom
|
+$39.3M |
| 2 |
Citadel Advisors
Miami,
Florida
|
+$23.7M |
| 3 |
BB
BB Biotech
Schaffhausen,
Switzerland
|
+$18.6M |
| 4 |
Deutsche Bank
Frankfurt Am Main Ge,
Germany
|
+$10.5M |
| 5 |
Axa
Paris,
France
|
+$7.61M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Westfield Capital Management
Boston,
Massachusetts
|
-$23.6M |
| 2 |
T. Rowe Price Associates
Baltimore,
Maryland
|
-$21.9M |
| 3 |
Millennium Management
New York
|
-$14.9M |
| 4 |
Marshall Wace
London,
United Kingdom
|
-$11.7M |
| 5 |
CCI
Columbus Circle Investors
|
-$7.07M |
PRTA Hedge Fund Activity: Q3 2015 in Review
147 of the 3,590 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.