Prothena Corp
PRTA
142 hedge funds and large institutions have $1.55B invested in Prothena Corp in 2018 Q1 according to their latest regulatory filings, with 25 funds opening new positions, 45 increasing their positions, 37 reducing their positions, and 36 closing their positions.
211% more call options, than puts
Call options by funds: $64M | Put options by funds: $20.6M
22% more repeat investments, than reductions
Existing positions increased: 45 | Existing positions reduced: 37
0% more funds holding in top 10
Funds holding in top 10: 1 → 1 (0)
5% less capital invested
Capital invested by funds: $1.63B → $1.55B (-$75M)
2.89% less ownership
Funds ownership: 112.72% → 109.83% (-2.9%)
8% less funds holding
Funds holding: 155 → 142 (-13)
31% less first-time investments, than exits
New positions opened: 25 | Existing positions closed: 36
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Millennium Management
New York
|
+$31.4M |
| 2 |
State Street
Boston,
Massachusetts
|
+$13M |
| 3 |
CLM
ClearBridge LLC (Maryland)
Baltimore,
Maryland
|
+$9.94M |
| 4 |
MWNA
Marshall Wace North America
New York
|
+$7.24M |
| 5 |
CCM
Camber Capital Management
Boston,
Massachusetts
|
+$4.55M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Capital World Investors
Los Angeles,
California
|
-$37M |
| 2 |
Jennison Associates
New York
|
-$15.6M |
| 3 |
T. Rowe Price Associates
Baltimore,
Maryland
|
-$15.5M |
| 4 |
Westfield Capital Management
Boston,
Massachusetts
|
-$13.5M |
| 5 |
PC
PointState Capital
New York
|
-$9.22M |
PRTA Hedge Fund Activity: Q1 2018 in Review
142 of the 4,373 institutional investors tracked by Wall St. Rank reported a position in Prothena Corp (PRTA) for Q1 2018, worth a combined $1.55B — down 4.6% from $1.63B a quarter earlier.
Sellers outnumbered buyers: 36 funds closed out of PRTA and 25 opened new positions — a net loss of 11 holders — while 37 trimmed existing stakes and 45 added.
The largest buyer was Millennium Management, adding an estimated $31.4M. The largest seller was Capital World Investors, cutting an estimated $37M.
- 142 institutional investors held Prothena Corp (PRTA) as of Q1 2018, down from 155 in Q4 2017.
- Funds reported $1.55B of Prothena Corp stock for Q1 2018, down 4.6% quarter-over-quarter.
- 25 funds opened new Prothena Corp positions in Q1 2018 and 36 closed out, a net change of -11 holders.
- The largest Prothena Corp buyer in Q1 2018 was Millennium Management, an estimated $31.4M added.
- The largest Prothena Corp seller in Q1 2018 was Capital World Investors, an estimated $37M sold.
Based on aggregated 13F filings for Q1 2018.