Point72 Asset Management, L.P.
Position in PRTA — Prothena Corp Public Ltd Co
CIK 1603466
STAMFORD, CT
Position in PRTA
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$3,886,347
-$4,326,824 QoQ
Shares Held
399,830
-53.5% QoQ
Ownership
0.779%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
15 quarters on record
Voting authority
Sole 0%
Shared 100%
None 0%
Common Shares in PRTA Over Time
Shares Held
Position Value (USD)
Derivatives in PRTA
reported options exposure · as of Dec 31, 2025CallValue
$283,635
CallShares
29,700
PutValue
$283,635
PutShares
29,700
Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.
Position in Biotechnology
Healthcare · as of Jun 30, 2026Point72 Asset Management, L.P. holds $2,243,264,515 across 171 Biotechnology names.
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | ROIV |
Roivant Sciences Ltd.
|
4,473,478 | $158,316,386 | |
| 2 | CYTK |
Cytokinetics Inc
|
1,587,712 | $135,257,185 | |
| 3 | BBIO |
BridgeBio Pharma, Inc.
|
1,525,782 | $113,640,243 | |
| 4 | AXSM |
Axsome Therapeutics, Inc.
|
416,516 | $101,950,621 | |
| 5 | LEGN |
Legend Biotech Corp
|
3,076,124 | $88,838,461 | |
| 6 | MDGL |
Madrigal Pharmaceuticals, Inc.
|
137,029 | $73,577,721 | |
| 7 | CELC |
Celcuity Inc.
|
650,916 | $68,098,831 | |
| 8 | ACAD |
Acadia Pharmaceuticals Inc
|
2,433,168 | $61,559,150 |
All Filings in PRTA
Export CSV
17 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $3,886,347 | 399,830 | Shares | Defined | 2026-05-15 | |
| 2025-12-31 | $8,213,171 | 860,018 | Shares | Defined | 2026-02-17 | |
| 2025-12-31 | $283,635 | 29,700 | Put | Defined | 2026-02-17 | |
| 2025-12-31 | $283,635 | 29,700 | Call | Defined | 2026-02-17 | |
| 2025-09-30 | $6,312,240 | 646,746 | Shares | Defined | 2025-11-14 | |
| 2023-09-30 | $10,596,809 | 219,623 | Shares | Defined | 2023-11-14 | |
| 2023-06-30 | $14,939,800 | 218,802 | Shares | Defined | 2023-08-14 | |
| 2023-03-31 | $16,237,110 | 334,993 | Shares | Defined | 2023-05-15 | |
| 2022-12-31 | $18,767,875 | 311,500 | Shares | Defined | 2023-05-15 | |
| 2022-09-30 | $10,210,092 | 168,400 | Shares | Defined | 2022-11-14 | |
| 2022-06-30 | $2,712,285 | 99,900 | Shares | Defined | 2022-08-15 | |
| 2022-03-31 | $6,326,610 | 173,000 | Shares | Defined | 2022-05-16 | |
| 2021-12-31 | $9,544,080 | 193,200 | Shares | Defined | 2022-02-14 | |
| 2021-09-30 | $11,532,137 | 161,900 | Shares | Defined | 2021-11-15 | |
| 2021-06-30 | $8,678,008 | 168,800 | Shares | Defined | 2021-08-16 | |
| 2020-06-30 | $2,777,893 | 265,573 | Shares | Defined | 2020-08-14 | |
| 2020-03-31 | $5,521,660 | 516,043 | Shares | Defined | 2020-05-15 | |
| No filing history on record for this holder in this stock. | ||||||