Prothena Corp
PRTA
183 hedge funds and large institutions have $2.7B invested in Prothena Corp in 2022 Q3 according to their latest regulatory filings, with 40 funds opening new positions, 52 increasing their positions, 52 reducing their positions, and 20 closing their positions.
123% more capital invested
Capital invested by funds: $1.21B → $2.7B (+$1.49B)
100% more first-time investments, than exits
New positions opened: 40 | Existing positions closed: 20
91% more call options, than puts
Call options by funds: $58.2M | Put options by funds: $30.5M
80% more funds holding in top 10
Funds holding in top 10: 5 → 9 (+4)
10% more funds holding
Funds holding: 166 → 183 (+17)
0% more repeat investments, than reductions
Existing positions increased: 52 | Existing positions reduced: 52
0.13% less ownership
Funds ownership: 95.16% → 95.03% (-0.13%)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
APM
Avidity Partners Management
Dallas,
Texas
|
+$62.2M |
| 2 |
PHS
PFM Health Sciences
San Francisco,
California
|
+$15.7M |
| 3 |
Federated Hermes
Pittsburgh,
Pennsylvania
|
+$10.9M |
| 4 |
Wellington Management Group
Boston,
Massachusetts
|
+$10.7M |
| 5 |
SCM
Suvretta Capital Management
New York
|
+$10M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
T. Rowe Price Associates
Baltimore,
Maryland
|
-$94.3M |
| 2 |
FLAM
First Light Asset Management
Edina,
Minnesota
|
-$12.6M |
| 3 |
State Street
Boston,
Massachusetts
|
-$11.5M |
| 4 |
BlackRock
New York
|
-$10.5M |
| 5 |
N
Nuveen
Charlotte,
North Carolina
|
-$7.36M |
PRTA Hedge Fund Activity: Q3 2022 in Review
183 of the 5,805 institutional investors tracked by Wall St. Rank reported a position in Prothena Corp (PRTA) for Q3 2022, worth a combined $2.7B — up 123% from $1.21B a quarter earlier.
Buyers outnumbered sellers: 40 funds opened new PRTA positions and 20 closed out — a net gain of 20 holders — while 52 added to existing stakes and 52 trimmed.
The largest buyer was Avidity Partners Management, opening a new position worth an estimated $62.2M. The largest seller was T. Rowe Price Associates, cutting an estimated $94.3M.
- 183 institutional investors held Prothena Corp (PRTA) as of Q3 2022, up from 166 in Q2 2022.
- Funds reported $2.7B of Prothena Corp stock for Q3 2022, up 123% quarter-over-quarter.
- 40 funds opened new Prothena Corp positions in Q3 2022 and 20 closed out, a net change of +20 holders.
- The largest Prothena Corp buyer in Q3 2022 was Avidity Partners Management, an estimated $62.2M added.
- The largest Prothena Corp seller in Q3 2022 was T. Rowe Price Associates, an estimated $94.3M sold.
Based on aggregated 13F filings for Q3 2022.