Position in INSM
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$2,747,983,687
-$895,243,842 QoQ
Shares Held
16,805,184
-19.7% QoQ
Ownership
7.75%
of shares outstanding
% of Portfolio
68.25%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Jun 2024
8 quarters on record
Voting authority
Sole 100.ToString("F0")%
Shared 0.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, 2026Darwin Global Management, Ltd. holds $4,026,455,721 across 6 Biotechnology names. INSM ranks #1 (68.2% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | INSM |
INSMED Inc
This page
|
16,805,184 | $2,747,983,687 | |
| 2 | BLTE |
Belite Bio, Inc
|
3,057,412 | $487,473,769 | |
| 3 | ABVX |
Abivax S.A.
|
3,468,657 | $386,234,956 | |
| 4 | RVMD |
Revolution Medicines, Inc.
|
2,211,018 | $215,021,500 | |
| 5 | ROIV |
Roivant Sciences Ltd.
|
6,797,300 | $188,285,210 | |
| 6 | DNTH |
Dianthus Therapeutics, Inc. /DE/
|
17,357 | $1,456,599 |
All Filings in INSM
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12 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $2,747,983,687 | 16,805,184 | Shares | Sole | 2026-05-15 | |
| 2026-03-31 | $2,747,983,687 | 16,805,184 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $3,643,227,529 | 20,933,277 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $2,946,076,654 | 20,457,445 | Shares | Sole | 2025-11-14 | |
| 2025-09-30 | $2,946,076,654 | 20,457,445 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $1,946,842,657 | 19,344,621 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $1,174,711,512 | 15,397,975 | Shares | Sole | 2025-05-15 | |
| 2025-03-31 | $1,174,711,512 | 15,397,975 | Shares | Sole | 2025-05-15 | |
| 2024-12-31 | $894,795,543 | 12,960,538 | Shares | Sole | 2025-02-14 | |
| 2024-12-31 | $894,795,543 | 12,960,538 | Shares | Sole | 2025-02-14 | |
| 2024-09-30 | $766,301,221 | 10,497,277 | Shares | Sole | 2024-11-14 | |
| 2024-06-30 | $237,253,365 | 3,541,095 | Shares | Sole | 2024-08-14 | |
| No filing history on record for this holder in this stock. | ||||||