Position in INSM
as of Jun 30, 2026
· filed Aug 13, 2026
Position Value
$53,515,775
+$2,405,147 QoQ
Shares Held
501,930
+60.6% QoQ
Ownership
0.230%
of shares outstanding
% of Portfolio
0.06%
of 13F equity value
Holder Rank
#79
of 665 holders
Holding Since
Sep 2020
14 quarters on record
Voting authority
Sole 0%
Shared 100%
None 0%
Common Shares in INSM Over Time
Shares Held
Position Value (USD)
Position in Biotechnology
Healthcare · as of Jun 30, 2026MARSHALL WACE, LLP holds $3,014,740,742 across 267 Biotechnology names. INSM ranks #13 (1.8% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | VRTX |
Vertex Pharmaceuticals Inc / Ma
|
543,897 | $270,169,956 | |
| 2 | INCY |
Incyte Corp
|
1,310,154 | $148,519,056 | |
| 3 | RPRX |
Royalty Pharma plc
|
2,450,669 | $137,409,009 | |
| 4 | SYRE |
Spyre Therapeutics, Inc.
|
991,693 | $88,042,503 | |
| 5 | ALNY |
Alnylam Pharmaceuticals, Inc.
|
259,799 | $78,207,292 | |
| 6 | TVTX |
Travere Therapeutics, Inc.
|
1,333,207 | $75,739,488 | |
| 7 | MANE |
Veradermics, Inc
|
585,560 | $71,988,746 | |
| 8 | DFTX |
Definium Therapeutics, Inc.
|
1,298,946 | $61,102,419 |
All Filings in INSM
Export CSV
14 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $53,515,775 | 501,930 | Shares | Other | 2026-08-13 | |
| 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. | ||||||