Position in INSM
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$51,110,628
-$16,744,260 QoQ
Shares Held
312,565
-19.8% QoQ
Ownership
0.144%
of shares outstanding
% of Portfolio
0.07%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Sep 2020
13 quarters on record
Voting authority
Sole 0.ToString("F0")%
Shared 100.ToString("F0")%
None 0.ToString("F0")%
Common Shares in INSM 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. INSM ranks #12 (1.8% 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 INSM
Export CSV
13 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $51,110,628 | 312,565 | Shares | Other | 2026-05-15 | |
| 2025-12-31 | $67,854,888 | 389,881 | Shares | Other | 2026-02-13 | |
| 2025-09-30 | $94,851,753 | 658,647 | Shares | Other | 2025-11-13 | |
| 2025-06-30 | $112,048,650 | 1,113,361 | Shares | Other | 2025-08-13 | |
| 2025-03-31 | $53,115,919 | 696,237 | Shares | Other | 2025-05-15 | |
| 2024-12-31 | $73,473,403 | 1,064,215 | Shares | Other | 2025-02-13 | |
| 2024-09-30 | $56,298,403 | 771,211 | Shares | Other | 2024-11-14 | |
| 2024-06-30 | $83,706,517 | 1,249,351 | Shares | Other | 2024-08-14 | |
| 2024-03-31 | $36,084,202 | 1,330,048 | Shares | Other | 2024-05-15 | |
| 2023-12-31 | $44,618,441 | 1,439,769 | Shares | Other | 2024-02-14 | |
| 2023-09-30 | $14,285,515 | 565,763 | Shares | Other | 2023-11-14 | |
| 2023-06-30 | $9,415,115 | 446,214 | Shares | Other | 2023-08-14 | |
| 2020-09-30 | $859,969 | 26,757 | Shares | Sole | 2020-11-16 | |
| No filing history on record for this holder in this stock. | ||||||