Position in ATRA
as of Jun 30, 2026
· filed Aug 13, 2026
Position Value
$445,940
-$173,264 QoQ
Shares Held
38,845
-70.3% QoQ
Ownership
0.387%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#11
of 36 holders
Holding Since
Jun 2020
16 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in ATRA Over Time
Shares Held
Position Value (USD)
Position in Biotechnology
Healthcare · as of Jun 30, 2026ACADIAN ASSET MANAGEMENT LLC holds $732,389,014 across 168 Biotechnology names. ATRA ranks #90 (0.1% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | INCY |
Incyte Corp
|
1,664,999 | $188,744,286 | |
| 2 | REGN |
Regeneron Pharmaceuticals, Inc.
|
157,440 | $98,170,137 | |
| 3 | IMCR |
Immunocore Holdings plc
|
1,209,894 | $38,414,134 | |
| 4 | RIGL |
Rigel Pharmaceuticals Inc
|
591,686 | $23,146,756 | |
| 5 | EXEL |
Exelixis, Inc.
|
421,444 | $22,930,768 | |
| 6 | VRTX |
Vertex Pharmaceuticals Inc / Ma
|
42,122 | $20,923,261 | |
| 7 | TBPH |
Theravance Biopharma, Inc.
|
1,174,910 | $19,973,470 | |
| 8 | PRTA |
Prothena Corp Public Ltd Co
|
2,010,645 | $19,684,214 |
All Filings in ATRA
Export CSV
16 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $445,940 | 38,845 | Shares | Defined | 2026-08-13 | |
| 2026-03-31 | $619,204 | 130,910 | Shares | Defined | 2026-05-13 | |
| 2025-12-31 | $977,728 | 54,048 | Shares | Defined | 2026-02-10 | |
| 2025-09-30 | $808,441 | 56,416 | Shares | Defined | 2025-11-13 | |
| 2025-06-30 | $502,996 | 65,155 | Shares | Defined | 2025-08-07 | |
| 2025-03-31 | $683,759 | 115,111 | Shares | Defined | 2025-05-21 | |
| 2024-12-31 | $1,656,735 | 124,473 | Shares | Defined | 2025-02-11 | |
| 2024-09-30 | $1,049,940 | 129,144 | Shares | Defined | 2024-11-12 | |
| 2024-06-30 | $1,014,645 | 119,370 | Shares | Defined | 2024-08-06 | |
| 2024-03-31 | $1,831,248 | 2,638,687 | Shares | Defined | 2024-05-10 | |
| 2023-12-31 | $905,729 | 1,765,554 | Shares | Defined | 2024-02-13 | |
| 2023-09-30 | $790,901 | 534,393 | Shares | Defined | 2023-11-13 | |
| 2023-06-30 | $1,134,557 | 704,694 | Shares | Defined | 2023-08-07 | |
| 2022-12-31 | $1,516,370 | 462,308 | Shares | Defined | 2023-02-14 | |
| 2022-09-30 | $3,611,381 | 955,392 | Shares | Defined | 2022-11-14 | |
| 2020-06-30 | $845,977 | 58,063 | Shares | Defined | 2020-08-12 | |
| No filing history on record for this holder in this stock. | ||||||