Position in INSM
as of Mar 31, 2026
· filed May 13, 2026
Position Value
$1,067,344,259
+$224,338,184 QoQ
Shares Held
6,527,301
+34.8% QoQ
Ownership
3.01%
of shares outstanding
% of Portfolio
1.76%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
13 quarters on record
Voting authority
Sole 94.32655242955703.ToString("F0")%
Shared 0.ToString("F0")%
None 5.673447570442975.ToString("F0")%
Common Shares in INSM Over Time
Shares Held
Position Value (USD)
Position in Biotechnology
Healthcare · as of Mar 31, 2026Artisan Partners Limited Partnership holds $3,601,883,777 across 24 Biotechnology names. INSM ranks #2 (29.6% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | ARGX |
Argenx SE
|
1,467,982 | $1,071,993,855 | |
| 2 | INSM |
INSMED Inc
This page
|
6,527,301 | $1,067,344,259 | |
| 3 | ASND |
Ascendis Pharma A/S
|
3,230,188 | $738,840,901 | |
| 4 | IONS |
Ionis Pharmaceuticals Inc
|
2,058,308 | $154,558,347 | |
| 5 | MDGL |
Madrigal Pharmaceuticals, Inc.
|
183,540 | $96,077,683 | |
| 6 | CELC |
Celcuity Inc.
|
457,070 | $52,169,969 | |
| 7 | DBVT |
DBV Technologies S.A.
|
2,219,386 | $46,362,973 | |
| 8 | LEGN |
Legend Biotech Corp
|
2,254,488 | $40,783,687 |
All Filings in INSM
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13 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $1,067,344,259 | 6,527,301 | Shares | Sole | 2026-05-13 | |
| 2025-12-31 | $843,006,075 | 4,843,749 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $711,075,728 | 4,937,683 | Shares | Sole | 2025-11-12 | |
| 2025-06-30 | $333,555,278 | 3,314,341 | Shares | Sole | 2025-08-12 | |
| 2025-03-31 | $245,445,375 | 3,217,268 | Shares | Sole | 2025-05-14 | |
| 2024-12-31 | $215,842,444 | 3,126,339 | Shares | Sole | 2025-02-12 | |
| 2024-09-30 | $210,539,081 | 2,884,097 | Shares | Sole | 2024-11-12 | |
| 2024-06-30 | $166,791,877 | 2,489,431 | Shares | Sole | 2024-08-12 | |
| 2021-03-31 | $60,405,478 | 1,773,502 | Shares | Sole | 2021-05-11 | |
| 2020-12-31 | $68,195,630 | 2,048,532 | Shares | Sole | 2021-02-10 | |
| 2020-09-30 | $34,182,336 | 1,063,545 | Shares | Sole | 2020-11-12 | |
| 2020-06-30 | $22,388,670 | 812,951 | Shares | Sole | 2020-08-12 | |
| 2020-03-31 | $8,316,652 | 518,818 | Shares | Sole | 2020-05-12 | |
| No filing history on record for this holder in this stock. | ||||||