Prothena Corp
PRTA
124 hedge funds and large institutions have $1.02B invested in Prothena Corp in 2015 Q1 according to their latest regulatory filings, with 14 funds opening new positions, 44 increasing their positions, 25 reducing their positions, and 17 closing their positions.
100% more funds holding in top 10
Funds holding in top 10: 1 → 2 (+1)
87% more capital invested
Capital invested by funds: $542M → $1.02B (+$474M)
76% more repeat investments, than reductions
Existing positions increased: 44 | Existing positions reduced: 25
2% less funds holding
Funds holding: 127 → 124 (-3)
18% less first-time investments, than exits
New positions opened: 14 | Existing positions closed: 17
51% less call options, than puts
Call options by funds: $4.7M | Put options by funds: $9.69M
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Westfield Capital Management
Boston,
Massachusetts
|
+$16.8M |
| 2 |
WIM
Woodford Investment Management
London,
United Kingdom
|
+$12.1M |
| 3 |
VAM
Visium Asset Management
New York
|
+$7.75M |
| 4 |
Invesco
Atlanta,
Georgia
|
+$6.5M |
| 5 |
TI
Turner Investments
Berwyn,
Pennsylvania
|
+$2.99M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
PC
PointState Capital
New York
|
-$8.3M |
| 2 |
NI
Numeric Investors
Boston,
Massachusetts
|
-$7.44M |
| 3 |
PA
Perceptive Advisors
New York
|
-$5.13M |
| 4 |
Millennium Management
New York
|
-$3.3M |
| 5 |
Jennison Associates
New York
|
-$3.19M |
PRTA Hedge Fund Activity: Q1 2015 in Review
124 of the 3,753 institutional investors tracked by Wall St. Rank reported a position in Prothena Corp (PRTA) for Q1 2015, worth a combined $1.02B — up 87% from $542M a quarter earlier.
Sellers outnumbered buyers: 17 funds closed out of PRTA and 14 opened new positions — a net loss of 3 holders — while 25 trimmed existing stakes and 44 added.
The largest buyer was Westfield Capital Management, adding an estimated $16.8M. The largest seller was PointState Capital, exiting entirely with an estimated $8.3M sold.
- 124 institutional investors held Prothena Corp (PRTA) as of Q1 2015, down from 127 in Q4 2014.
- Funds reported $1.02B of Prothena Corp stock for Q1 2015, up 87% quarter-over-quarter.
- 14 funds opened new Prothena Corp positions in Q1 2015 and 17 closed out, a net change of -3 holders.
- The largest Prothena Corp buyer in Q1 2015 was Westfield Capital Management, an estimated $16.8M added.
- The largest Prothena Corp seller in Q1 2015 was PointState Capital, an estimated $8.3M sold.
Based on aggregated 13F filings for Q1 2015.