Position in INSM
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$20,565,256
+$6,413,890 QoQ
Shares Held
125,766
+54.7% QoQ
Ownership
0.058%
of shares outstanding
% of Portfolio
0.10%
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, 2026FRED ALGER MANAGEMENT, LLC holds $649,233,872 across 51 Biotechnology names. INSM ranks #8 (3.2% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | ARWR |
Arrowhead Pharmaceuticals, Inc.
|
3,342,493 | $209,574,311 | |
| 2 | DNTH |
Dianthus Therapeutics, Inc. /DE/
|
1,161,923 | $97,508,578 | |
| 3 | ASND |
Ascendis Pharma A/S
|
304,896 | $69,738,861 | |
| 4 | COGT |
Cogent Biosciences, Inc.
|
1,239,700 | $47,716,053 | |
| 5 | FBRX |
Forte Biosciences, Inc.
|
1,273,965 | $32,995,693 | |
| 6 | ACAD |
Acadia Pharmaceuticals Inc
|
1,277,151 | $28,429,380 | |
| 7 | ROIV |
Roivant Sciences Ltd.
|
925,186 | $25,627,652 | |
| 8 | INSM |
INSMED Inc
This page
|
125,766 | $20,565,256 |
All Filings in INSM
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8 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $20,565,256 | 125,766 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $14,151,366 | 81,311 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $13,541,692 | 94,033 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $19,093,320 | 189,719 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $28,862,871 | 378,331 | Shares | Sole | 2025-05-16 | |
| 2024-12-31 | $26,612,158 | 385,460 | Shares | Sole | 2025-02-14 | |
| 2024-09-30 | $33,019,068 | 452,316 | Shares | Sole | 2024-11-14 | |
| 2024-06-30 | $33,404,324 | 498,572 | Shares | Sole | 2024-08-14 | |
| No filing history on record for this holder in this stock. | ||||||