Position in INSM
as of Jun 30, 2026
· filed Aug 13, 2026
Position Value
$580,195,973
-$487,148,286 QoQ
Shares Held
5,441,718
-16.6% QoQ
Ownership
2.49%
of shares outstanding
% of Portfolio
0.95%
of 13F equity value
Holder Rank
#13
of 663 holders
Holding Since
Mar 2020
14 quarters on record
Voting authority
Sole 98%
Shared 0%
None 2%
Common Shares in INSM Over Time
Shares Held
Position Value (USD)
Position in Biotechnology
Healthcare · as of Jun 30, 2026Artisan Partners Limited Partnership holds $3,449,495,070 across 23 Biotechnology names. INSM ranks #3 (16.8% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | ARGX |
Argenx SE
|
1,508,778 | $1,399,798,965 | |
| 2 | ASND |
Ascendis Pharma A/S
|
2,634,024 | $702,546,881 | |
| 3 | INSM |
INSMED Inc
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|
5,441,718 | $580,195,973 | |
| 4 | IONS |
Ionis Pharmaceuticals Inc
|
2,640,024 | $209,327,502 | |
| 5 | MDGL |
Madrigal Pharmaceuticals, Inc.
|
210,205 | $112,869,574 | |
| 6 | CELC |
Celcuity Inc.
|
461,591 | $48,291,650 | |
| 7 | LEGN |
Legend Biotech Corp
|
1,559,441 | $45,036,656 | |
| 8 | RYTM |
Rhythm Pharmaceuticals, Inc.
|
354,816 | $39,395,220 |
All Filings in INSM
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14 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $580,195,973 | 5,441,718 | Shares | Sole | 2026-08-13 | |
| 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. | ||||||