Prothena Corp
PRTA
155 hedge funds and large institutions have $1.63B invested in Prothena Corp in 2017 Q4 according to their latest regulatory filings, with 37 funds opening new positions, 51 increasing their positions, 40 reducing their positions, and 35 closing their positions.
28% more repeat investments, than reductions
Existing positions increased: 51 | Existing positions reduced: 40
1% more funds holding
Funds holding: 153 → 155 (+2)
6% more first-time investments, than exits
New positions opened: 37 | Existing positions closed: 35
0.14% more ownership
Funds ownership: 112.59% → 112.72% (+0.14%)
7% less call options, than puts
Call options by funds: $6.49M | Put options by funds: $6.99M
42% less capital invested
Capital invested by funds: $2.79B → $1.63B (-$1.17B)
50% less funds holding in top 10
Funds holding in top 10: 2 → 1 (-1)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
T. Rowe Price Associates
Baltimore,
Maryland
|
+$33.3M |
| 2 |
State Street
Boston,
Massachusetts
|
+$9.33M |
| 3 |
WIM
Woodford Investment Management
London,
United Kingdom
|
+$9.11M |
| 4 |
SFM
Sphera Funds Management
Tel Aviv,
Israel
|
+$7.38M |
| 5 |
CCM
Camber Capital Management
Boston,
Massachusetts
|
+$6.36M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Loomis, Sayles & Company
Boston,
Massachusetts
|
-$21.7M |
| 2 |
PI
Putnam Investments
Boston,
Massachusetts
|
-$16.8M |
| 3 |
O
OppenheimerFunds
New York
|
-$10.9M |
| 4 |
Goldman Sachs
New York
|
-$8.24M |
| 5 |
Capital World Investors
Los Angeles,
California
|
-$7.89M |
PRTA Hedge Fund Activity: Q4 2017 in Review
155 of the 4,409 institutional investors tracked by Wall St. Rank reported a position in Prothena Corp (PRTA) for Q4 2017, worth a combined $1.63B — down 42% from $2.79B a quarter earlier.
Buyers outnumbered sellers: 37 funds opened new PRTA positions and 35 closed out — a net gain of 2 holders — while 51 added to existing stakes and 40 trimmed.
The largest buyer was T. Rowe Price Associates, adding an estimated $33.3M. The largest seller was Loomis, Sayles & Company, exiting entirely with an estimated $21.7M sold.
- 155 institutional investors held Prothena Corp (PRTA) as of Q4 2017, up from 153 in Q3 2017.
- Funds reported $1.63B of Prothena Corp stock for Q4 2017, down 42% quarter-over-quarter.
- 37 funds opened new Prothena Corp positions in Q4 2017 and 35 closed out, a net change of +2 holders.
- The largest Prothena Corp buyer in Q4 2017 was T. Rowe Price Associates, an estimated $33.3M added.
- The largest Prothena Corp seller in Q4 2017 was Loomis, Sayles & Company, an estimated $21.7M sold.
Based on aggregated 13F filings for Q4 2017.