Prothena Corp
PRTA
129 hedge funds and large institutions have $398M invested in Prothena Corp in 2020 Q1 according to their latest regulatory filings, with 12 funds opening new positions, 38 increasing their positions, 38 reducing their positions, and 21 closing their positions.
319% more call options, than puts
Call options by funds: $2.57M | Put options by funds: $614K
100% more funds holding in top 10
Funds holding in top 10: 1 → 2 (+1)
0.66% more ownership
Funds ownership: 92.49% → 93.14% (+0.66%)
0% more repeat investments, than reductions
Existing positions increased: 38 | Existing positions reduced: 38
9% less funds holding
Funds holding: 141 → 129 (-12)
32% less capital invested
Capital invested by funds: $584M → $398M (-$186M)
43% less first-time investments, than exits
New positions opened: 12 | Existing positions closed: 21
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
RSCM
Rock Springs Capital Management
Baltimore,
Maryland
|
+$6.06M |
| 2 |
Point72 Asset Management
Stamford,
Connecticut
|
+$2.35M |
| 3 |
Hudson Bay Capital Management
Stamford,
Connecticut
|
+$2M |
| 4 |
ECM
Endurant Capital Management
San Mateo,
California
|
+$1.77M |
| 5 |
N
Nuveen
Charlotte,
North Carolina
|
+$1.59M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
PAI
Palo Alto Investors
Palo Alto,
California
|
-$2.63M |
| 2 |
Fidelity Investments
Boston,
Massachusetts
|
-$2.35M |
| 3 |
Citadel Advisors
Miami,
Florida
|
-$2.03M |
| 4 |
Balyasny Asset Management
Chicago,
Illinois
|
-$1.9M |
| 5 |
OAM
Oxford Asset Management
Oxford,
United Kingdom
|
-$1.88M |
PRTA Hedge Fund Activity: Q1 2020 in Review
129 of the 4,538 institutional investors tracked by Wall St. Rank reported a position in Prothena Corp (PRTA) for Q1 2020, worth a combined $398M — down 32% from $584M a quarter earlier.
Sellers outnumbered buyers: 21 funds closed out of PRTA and 12 opened new positions — a net loss of 9 holders — while 38 trimmed existing stakes and 38 added.
The largest buyer was Rock Springs Capital Management, opening a new position worth an estimated $6.06M. The largest seller was Palo Alto Investors, cutting an estimated $2.63M.
- 129 institutional investors held Prothena Corp (PRTA) as of Q1 2020, down from 141 in Q4 2019.
- Funds reported $398M of Prothena Corp stock for Q1 2020, down 32% quarter-over-quarter.
- 12 funds opened new Prothena Corp positions in Q1 2020 and 21 closed out, a net change of -9 holders.
- The largest Prothena Corp buyer in Q1 2020 was Rock Springs Capital Management, an estimated $6.06M added.
- The largest Prothena Corp seller in Q1 2020 was Palo Alto Investors, an estimated $2.63M sold.
Based on aggregated 13F filings for Q1 2020.