Position in INSM
as of Mar 31, 2026
· filed May 11, 2026
Position Value
$10,248,779
-$615,319 QoQ
Shares Held
62,676
+0.4% QoQ
Ownership
0.029%
of shares outstanding
% of Portfolio
1.63%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Sep 2022
15 quarters on record
Voting authority
Sole 57.62173718807837.ToString("F0")%
Shared 0.ToString("F0")%
None 42.37826281192163.ToString("F0")%
Common Shares in INSM Over Time
Shares Held
Position Value (USD)
Position in Biotechnology
Healthcare · as of Mar 31, 2026ESSEX INVESTMENT MANAGEMENT CO LLC holds $60,210,603 across 12 Biotechnology names. INSM ranks #2 (17.0% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | LGND |
Ligand Pharmaceuticals Inc
|
58,460 | $11,671,539 | |
| 2 | INSM |
INSMED Inc
This page
|
62,676 | $10,248,779 | |
| 3 | MIRM |
Mirum Pharmaceuticals, Inc.
|
108,338 | $10,008,264 | |
| 4 | TVTX |
Travere Therapeutics, Inc.
|
161,705 | $4,804,255 | |
| 5 | SNDX |
Syndax Pharmaceuticals Inc
|
198,985 | $4,648,289 | |
| 6 | JAZZ |
Jazz Pharmaceuticals plc
|
21,778 | $4,117,130 | |
| 7 | AGIO |
Agios Pharmaceuticals, Inc.
|
103,177 | $3,490,477 | |
| 8 | ARQT |
Arcutis Biotherapeutics, Inc.
|
143,934 | $3,391,085 |
All Filings in INSM
Export CSV
15 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $10,248,779 | 62,676 | Shares | Sole | 2026-05-11 | |
| 2025-12-31 | $10,864,098 | 62,423 | Shares | Sole | 2026-02-13 | |
| 2025-09-30 | $12,539,958 | 87,077 | Shares | Sole | 2025-11-06 | |
| 2025-06-30 | $6,676,960 | 66,345 | Shares | Sole | 2025-08-12 | |
| 2025-03-31 | $5,096,172 | 66,800 | Shares | Sole | 2025-05-07 | |
| 2024-12-31 | $4,648,463 | 67,330 | Shares | Sole | 2025-02-07 | |
| 2024-09-30 | $5,635,089 | 77,193 | Shares | Sole | 2024-10-10 | |
| 2024-06-30 | $6,913,328 | 103,184 | Shares | Sole | 2024-08-12 | |
| 2024-03-31 | $2,947,104 | 108,629 | Shares | Sole | 2024-05-03 | |
| 2023-12-31 | $3,347,136 | 108,007 | Shares | Sole | 2024-02-08 | |
| 2023-09-30 | $3,747,579 | 148,419 | Shares | Sole | 2023-11-09 | |
| 2023-06-30 | $2,303,740 | 109,182 | Shares | Sole | 2023-08-14 | |
| 2023-03-31 | $1,588,378 | 93,160 | Shares | Sole | 2023-05-04 | |
| 2022-12-31 | $1,503,514 | 75,251 | Shares | Sole | 2023-02-03 | |
| 2022-09-30 | $1,073,488 | 49,837 | Shares | Sole | 2022-11-14 | |
| No filing history on record for this holder in this stock. | ||||||