Position in ACIU
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$361,509
-$224,756 QoQ
Shares Held
131,458
-29.6% QoQ
Ownership
0.129%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
10 quarters on record
Voting authority
Sole 0.ToString("F0")%
Shared 100.ToString("F0")%
None 0.ToString("F0")%
Common Shares in ACIU Over Time
Shares Held
Position Value (USD)
Position in Biotechnology
Healthcare · as of Mar 31, 2026MARSHALL WACE, LLP holds $2,766,756,129 across 280 Biotechnology names. ACIU ranks #245 (0.0% 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 ACIU
Export CSV
10 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $361,509 | 131,458 | Shares | Other | 2026-05-15 | |
| 2025-12-31 | $586,265 | 186,709 | Shares | Other | 2026-02-13 | |
| 2025-06-30 | $275,756 | 135,841 | Shares | Other | 2025-08-13 | |
| 2025-03-31 | $396,783 | 212,184 | Shares | Other | 2025-05-15 | |
| 2024-12-31 | $179,057 | 66,318 | Shares | Other | 2025-02-13 | |
| 2024-09-30 | $375,633 | 99,374 | Shares | Other | 2024-11-14 | |
| 2021-12-31 | $43,832 | 8,855 | Shares | Other | 2022-02-14 | |
| 2021-09-30 | $391,716 | 58,378 | Shares | Sole | 2021-11-15 | |
| 2020-06-30 | $180,162 | 26,770 | Shares | Sole | 2020-08-13 | |
| 2020-03-31 | $512,998 | 74,240 | Shares | Sole | 2020-05-15 | |
| No filing history on record for this holder in this stock. | ||||||