Prothena Corp
PRTA
140 hedge funds and large institutions have $418M invested in Prothena Corp in 2020 Q4 according to their latest regulatory filings, with 25 funds opening new positions, 24 increasing their positions, 52 reducing their positions, and 24 closing their positions.
200% more funds holding in top 10
Funds holding in top 10: 1 → 3 (+2)
109% more call options, than puts
Call options by funds: $3.92M | Put options by funds: $1.88M
18% more capital invested
Capital invested by funds: $355M → $418M (+$63.4M)
4% more first-time investments, than exits
New positions opened: 25 | Existing positions closed: 24
0% more funds holding
Funds holding: 140 → 140 (0)
3.51% less ownership
Funds ownership: 90.74% → 87.23% (-3.5%)
54% less repeat investments, than reductions
Existing positions increased: 24 | Existing positions reduced: 52
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
FLAM
First Light Asset Management
Edina,
Minnesota
|
+$24.3M |
| 2 |
IC
Ikarian Capital
Dallas,
Texas
|
+$14M |
| 3 |
PM
Prosight Management
Dallas,
Texas
|
+$6.46M |
| 4 |
PAI
Palo Alto Investors
Palo Alto,
California
|
+$4.29M |
| 5 |
BFM
Boothbay Fund Management
New York
|
+$1.48M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
O
OrbiMed
New York
|
-$20.7M |
| 2 |
State Street
Boston,
Massachusetts
|
-$7.37M |
| 3 |
GPP
Great Point Partners
Greenwich,
Connecticut
|
-$6.75M |
| 4 |
Fidelity Investments
Boston,
Massachusetts
|
-$6.11M |
| 5 |
Wellington Management Group
Boston,
Massachusetts
|
-$4.51M |
PRTA Hedge Fund Activity: Q4 2020 in Review
140 of the 5,651 institutional investors tracked by Wall St. Rank reported a position in Prothena Corp (PRTA) for Q4 2020, worth a combined $418M — up 18% from $355M a quarter earlier.
Buyers outnumbered sellers: 25 funds opened new PRTA positions and 24 closed out — a net gain of 1 holder — while 24 added to existing stakes and 52 trimmed.
The largest buyer was First Light Asset Management, opening a new position worth an estimated $24.3M. The largest seller was OrbiMed, cutting an estimated $20.7M.
- 140 institutional investors held Prothena Corp (PRTA) as of Q4 2020, unchanged from Q3 2020.
- Funds reported $418M of Prothena Corp stock for Q4 2020, up 18% quarter-over-quarter.
- 25 funds opened new Prothena Corp positions in Q4 2020 and 24 closed out, a net change of +1 holder.
- The largest Prothena Corp buyer in Q4 2020 was First Light Asset Management, an estimated $24.3M added.
- The largest Prothena Corp seller in Q4 2020 was OrbiMed, an estimated $20.7M sold.
Based on aggregated 13F filings for Q4 2020.