Position in ARGX
as of Mar 31, 2026
· filed May 13, 2026
Position Value
$1,647,601,734
+$36,144,752 QoQ
Shares Held
2,256,216
+17.7% QoQ
Ownership
3.63%
of shares outstanding
% of Portfolio
0.23%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
25 quarters on record
Voting authority
Sole 99.66931357635971.ToString("F0")%
Shared 0.ToString("F0")%
None 0.3306864236402898.ToString("F0")%
Common Shares in ARGX Over Time
Shares Held
Position Value (USD)
Position in Biotechnology
Healthcare · as of Mar 31, 2026Capital World Investors holds $23,534,298,325 across 32 Biotechnology names. ARGX ranks #3 (7.0% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | VRTX |
Vertex Pharmaceuticals Inc / Ma
|
25,368,124 | $11,327,882,090 | |
| 2 | ALNY |
Alnylam Pharmaceuticals, Inc.
|
10,802,348 | $3,574,172,882 | |
| 3 | ARGX |
Argenx SE
This page
|
2,256,216 | $1,647,601,734 | |
| 4 | IONS |
Ionis Pharmaceuticals Inc
|
21,186,369 | $1,590,884,448 | |
| 5 | REGN |
Regeneron Pharmaceuticals, Inc.
|
1,419,000 | $1,096,376,160 | |
| 6 | MRNA |
Moderna, Inc.
|
18,697,694 | $949,842,855 | |
| 7 | JAZZ |
Jazz Pharmaceuticals plc
|
2,673,376 | $505,401,732 | |
| 8 | ONC |
BeOne Medicines Ltd.
|
1,622,687 | $481,889,358 |
All Filings in ARGX
Export CSV
25 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $1,647,601,734 | 2,256,216 | Shares | Defined | 2026-05-13 | |
| 2025-12-31 | $1,611,456,982 | 1,916,234 | Shares | Defined | 2026-02-11 | |
| 2025-09-30 | $1,445,251,770 | 1,959,504 | Shares | Defined | 2025-11-13 | |
| 2025-06-30 | $1,075,475,420 | 1,951,082 | Shares | Defined | 2025-08-13 | |
| 2025-03-31 | $1,147,029,635 | 1,937,992 | Shares | Defined | 2025-05-12 | |
| 2024-12-31 | $1,098,965,640 | 1,786,936 | Shares | Defined | 2025-02-13 | |
| 2024-09-30 | $921,670,977 | 1,700,249 | Shares | Defined | 2024-11-13 | |
| 2024-06-30 | $650,002,879 | 1,511,494 | Shares | Defined | 2024-08-13 | |
| 2024-03-31 | $734,128,737 | 1,864,596 | Shares | Defined | 2024-05-14 | |
| 2023-12-31 | $746,100,076 | 1,961,202 | Shares | Defined | 2024-02-13 | |
| 2023-09-30 | $703,532,854 | 1,431,021 | Shares | Defined | 2023-11-13 | |
| 2023-06-30 | $460,835,848 | 1,182,449 | Shares | Defined | 2023-08-11 | |
| 2023-03-31 | $394,001,859 | 1,057,496 | Shares | Defined | 2023-05-15 | |
| 2022-12-31 | $280,688,027 | 740,934 | Shares | Defined | 2023-02-14 | |
| 2022-09-30 | $261,256,293 | 739,998 | Shares | Defined | 2022-11-14 | |
| 2022-06-30 | $280,140,840 | 739,392 | Shares | Defined | 2022-08-15 | |
| 2022-03-31 | $233,137,691 | 739,392 | Shares | Defined | 2022-05-19 | |
| 2021-12-31 | $231,221,001 | 660,273 | Shares | Defined | 2022-02-14 | |
| 2021-09-30 | $199,497,274 | 660,587 | Shares | Defined | 2021-11-15 | |
| 2021-06-30 | $198,981,679 | 660,915 | Shares | Defined | 2021-08-16 | |
| 2021-03-31 | $182,313,412 | 662,019 | Shares | Defined | 2021-05-14 | |
| 2020-12-31 | $194,581,413 | 661,639 | Shares | Defined | 2021-02-12 | |
| 2020-09-30 | $173,693,470 | 661,639 | Shares | Defined | 2020-11-13 | |
| 2020-06-30 | $149,013,519 | 661,606 | Shares | Defined | 2020-08-14 | |
| 2020-03-31 | $75,974,355 | 576,743 | Shares | Defined | 2020-05-15 | |
| No filing history on record for this holder in this stock. | ||||||