Position in ALT
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$12,375,134
+$9,043,910 QoQ
Shares Held
4,017,901
+335.4% QoQ
Ownership
2.07%
of shares outstanding
% of Portfolio
0.02%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Dec 2020
14 quarters on record
Voting authority
Sole 0.ToString("F0")%
Shared 100.ToString("F0")%
None 0.ToString("F0")%
Common Shares in ALT Over Time
Shares Held
Position Value (USD)
Position in Biotechnology
Healthcare · as of Mar 31, 2026MARSHALL WACE, LLP holds $2,764,425,276 across 279 Biotechnology names. ALT ranks #49 (0.4% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | ALNY |
Alnylam Pharmaceuticals, Inc.
|
1,099,318 | $363,731,344 | |
| 2 | VRTX |
Vertex Pharmaceuticals Inc / Ma
|
317,058 | $141,579,078 | |
| 3 | INCY |
Incyte Corp
|
1,253,138 | $117,945,347 | |
| 4 | RPRX |
Royalty Pharma plc
|
2,120,692 | $101,729,594 | |
| 5 | RCUS |
Arcus Biosciences, Inc.
|
3,761,437 | $81,247,039 | |
| 6 | PTGX |
Protagonist Therapeutics, Inc
|
628,075 | $66,199,104 | |
| 7 | ROIV |
Roivant Sciences Ltd.
|
2,246,943 | $62,240,320 | |
| 8 | COGT |
Cogent Biosciences, Inc.
|
1,600,168 | $61,590,466 |
All Filings in ALT
Export CSV
14 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $12,375,134 | 4,017,901 | Shares | Other | 2026-05-15 | |
| 2025-12-31 | $3,331,224 | 922,777 | Shares | Other | 2026-02-13 | |
| 2025-06-30 | $85,527 | 22,100 | Shares | Other | 2025-08-13 | |
| 2025-03-31 | $5,841,690 | 1,168,338 | Shares | Other | 2025-05-15 | |
| 2024-12-31 | $472,376 | 65,517 | Shares | Other | 2025-02-13 | |
| 2023-12-31 | $968,985 | 86,132 | Shares | Other | 2024-02-14 | |
| 2023-09-30 | $4,676,723 | 1,798,740 | Shares | Other | 2023-11-14 | |
| 2023-06-30 | $7,269,293 | 2,059,290 | Shares | Other | 2023-08-14 | |
| 2023-03-31 | $6,739,888 | 1,597,130 | Shares | Other | 2023-05-15 | |
| 2022-12-31 | $20,394,610 | 1,239,794 | Shares | Other | 2023-02-14 | |
| 2022-09-30 | $14,033,131 | 1,098,914 | Shares | Other | 2022-11-14 | |
| 2022-06-30 | $3,162,860 | 270,330 | Shares | Other | 2022-08-15 | |
| 2021-09-30 | $5,416,619 | 478,923 | Shares | Sole | 2021-11-15 | |
| 2020-12-31 | $350,232 | 31,049 | Shares | Sole | 2021-02-16 | |
| No filing history on record for this holder in this stock. | ||||||