Prothena Corp
PRTA
161 hedge funds and large institutions have $2.13B invested in Prothena Corp in 2015 Q4 according to their latest regulatory filings, with 28 funds opening new positions, 65 increasing their positions, 40 reducing their positions, and 13 closing their positions.
115% more first-time investments, than exits
New positions opened: 28 | Existing positions closed: 13
63% more repeat investments, than reductions
Existing positions increased: 65 | Existing positions reduced: 40
50% more capital invested
Capital invested by funds: $1.42B → $2.13B (+$711M)
50% more funds holding in top 10
Funds holding in top 10: 2 → 3 (+1)
10% more funds holding
Funds holding: 147 → 161 (+14)
13% less call options, than puts
Call options by funds: $15M | Put options by funds: $17.2M
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
AllianceBernstein
Nashville,
Tennessee
|
+$19.4M |
| 2 |
PA
Pinnacle Associates
New York
|
+$17.9M |
| 3 |
Wells Fargo
San Francisco,
California
|
+$14.2M |
| 4 |
Deutsche Bank
Frankfurt Am Main Ge,
Germany
|
+$14.1M |
| 5 |
WIM
Woodford Investment Management
London,
United Kingdom
|
+$10.7M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Westfield Capital Management
Boston,
Massachusetts
|
-$56.8M |
| 2 |
Citadel Advisors
Miami,
Florida
|
-$21.4M |
| 3 |
Millennium Management
New York
|
-$16.9M |
| 4 |
State Street
Boston,
Massachusetts
|
-$9.61M |
| 5 |
GC
Guggenheim Capital
Chicago,
Illinois
|
-$8.44M |
PRTA Hedge Fund Activity: Q4 2015 in Review
161 of the 3,812 institutional investors tracked by Wall St. Rank reported a position in Prothena Corp (PRTA) for Q4 2015, worth a combined $2.13B — up 50% from $1.42B a quarter earlier.
Buyers outnumbered sellers: 28 funds opened new PRTA positions and 13 closed out — a net gain of 15 holders — while 65 added to existing stakes and 40 trimmed.
The largest buyer was AllianceBernstein, adding an estimated $19.4M. The largest seller was Westfield Capital Management, cutting an estimated $56.8M.
- 161 institutional investors held Prothena Corp (PRTA) as of Q4 2015, up from 147 in Q3 2015.
- Funds reported $2.13B of Prothena Corp stock for Q4 2015, up 50% quarter-over-quarter.
- 28 funds opened new Prothena Corp positions in Q4 2015 and 13 closed out, a net change of +15 holders.
- The largest Prothena Corp buyer in Q4 2015 was AllianceBernstein, an estimated $19.4M added.
- The largest Prothena Corp seller in Q4 2015 was Westfield Capital Management, an estimated $56.8M sold.
Based on aggregated 13F filings for Q4 2015.