Position in ARGX
as of Jun 30, 2026
· filed Aug 13, 2026
Position Value
$1,399,798,965
+$327,805,110 QoQ
Shares Held
1,508,778
+2.8% QoQ
Ownership
2.43%
of shares outstanding
% of Portfolio
2.29%
of 13F equity value
Holder Rank
#5
of 504 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority
Sole 96%
Shared 0%
None 4%
Common Shares in ARGX 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. ARGX ranks #1 (40.6% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | ARGX |
Argenx SE
This page
|
1,508,778 | $1,399,798,965 | |
| 2 | ASND |
Ascendis Pharma A/S
|
2,634,024 | $702,546,881 | |
| 3 | INSM |
INSMED Inc
|
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 ARGX
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26 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $1,399,798,965 | 1,508,778 | Shares | Sole | 2026-08-13 | |
| 2026-03-31 | $1,071,993,855 | 1,467,982 | Shares | Sole | 2026-05-13 | |
| 2025-12-31 | $1,477,500,374 | 1,756,942 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $1,612,682,315 | 2,186,510 | Shares | Sole | 2025-11-12 | |
| 2025-06-30 | $1,295,243,526 | 2,349,776 | Shares | Sole | 2025-08-12 | |
| 2025-03-31 | $1,648,870,784 | 2,785,890 | Shares | Sole | 2025-05-14 | |
| 2024-12-31 | $1,888,046,925 | 3,069,995 | Shares | Sole | 2025-02-12 | |
| 2024-09-30 | $1,904,458,223 | 3,513,242 | Shares | Sole | 2024-11-12 | |
| 2024-06-30 | $1,509,903,983 | 3,511,078 | Shares | Sole | 2024-08-12 | |
| 2024-03-31 | $1,255,809,312 | 3,189,600 | Shares | Sole | 2024-05-13 | |
| 2023-12-31 | $1,207,666,285 | 3,174,477 | Shares | Sole | 2024-02-12 | |
| 2023-09-30 | $1,390,476,637 | 2,828,299 | Shares | Sole | 2023-11-09 | |
| 2023-06-30 | $1,184,149,006 | 3,038,383 | Shares | Sole | 2023-08-10 | |
| 2023-03-31 | $1,129,747,508 | 3,032,228 | Shares | Sole | 2023-05-11 | |
| 2022-12-31 | $990,797,664 | 2,615,415 | Shares | Sole | 2023-02-10 | |
| 2022-09-30 | $998,671,828 | 2,828,698 | Shares | Sole | 2022-11-10 | |
| 2022-06-30 | $1,151,005,235 | 3,037,915 | Shares | Sole | 2022-08-12 | |
| 2022-03-31 | $1,058,256,034 | 3,356,240 | Shares | Sole | 2022-05-13 | |
| 2021-12-31 | $1,113,837,076 | 3,180,665 | Shares | Sole | 2022-02-11 | |
| 2021-09-30 | $866,767,784 | 2,870,092 | Shares | Sole | 2021-11-12 | |
| 2021-06-30 | $888,819,757 | 2,952,203 | Shares | Sole | 2021-08-12 | |
| 2021-03-31 | $790,917,050 | 2,871,989 | Shares | Sole | 2021-05-11 | |
| 2020-12-31 | $685,671,129 | 2,331,501 | Shares | Sole | 2021-02-10 | |
| 2020-09-30 | $492,625,343 | 1,876,525 | Shares | Sole | 2020-11-12 | |
| 2020-06-30 | $378,633,477 | 1,681,097 | Shares | Sole | 2020-08-12 | |
| 2020-03-31 | $199,793,705 | 1,516,691 | Shares | Sole | 2020-05-12 | |
| No filing history on record for this holder in this stock. | ||||||