Position in ARGX
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$126,844,425
-$59,045,890 QoQ
Shares Held
173,700
-21.4% QoQ
Ownership
0.279%
of shares outstanding
% of Portfolio
0.07%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
24 quarters on record
Voting authority
Sole 70.41220495106505.ToString("F0")%
Shared 29.587795048934947.ToString("F0")%
None 0.ToString("F0")%
Common Shares in ARGX Over Time
Shares Held
Position Value (USD)
Position in Biotechnology
Healthcare · as of Mar 31, 2026AMERICAN CENTURY COMPANIES INC holds $3,844,311,104 across 169 Biotechnology names. ARGX ranks #6 (3.3% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | ALNY |
Alnylam Pharmaceuticals, Inc.
|
1,802,363 | $596,347,845 | |
| 2 | REGN |
Regeneron Pharmaceuticals, Inc.
|
562,097 | $434,298,626 | |
| 3 | VRTX |
Vertex Pharmaceuticals Inc / Ma
|
813,285 | $363,164,283 | |
| 4 | ASND |
Ascendis Pharma A/S
|
1,397,119 | $319,563,028 | |
| 5 | INSM |
INSMED Inc
|
925,799 | $151,386,652 | |
| 6 | ARGX |
Argenx SE
This page
|
173,700 | $126,844,425 | |
| 7 | IONS |
Ionis Pharmaceuticals Inc
|
1,663,803 | $124,934,967 | |
| 8 | CPRX |
Catalyst Pharmaceuticals, Inc.
|
4,138,416 | $102,467,180 |
All Filings in ARGX
Export CSV
24 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $126,844,425 | 173,700 | Shares | Defined | 2026-05-15 | |
| 2025-12-31 | $185,890,315 | 221,048 | Shares | Defined | 2026-02-13 | |
| 2025-09-30 | $169,469,161 | 229,770 | Shares | Defined | 2025-11-12 | |
| 2025-06-30 | $113,499,505 | 205,906 | Shares | Defined | 2025-08-12 | |
| 2025-03-31 | $88,100,288 | 148,852 | Shares | Defined | 2025-05-13 | |
| 2024-12-31 | $95,556,240 | 155,376 | Shares | Defined | 2025-02-11 | |
| 2024-09-30 | $125,713,230 | 231,909 | Shares | Defined | 2024-11-12 | |
| 2024-06-30 | $109,386,264 | 254,363 | Shares | Defined | 2024-08-07 | |
| 2024-03-31 | $100,723,812 | 255,826 | Shares | Defined | 2024-05-14 | |
| 2023-12-31 | $59,225,722 | 155,681 | Shares | Defined | 2024-02-13 | |
| 2023-06-30 | $72,156,560 | 185,145 | Shares | Defined | 2023-08-14 | |
| 2023-03-31 | $76,875,921 | 206,334 | Shares | Defined | 2023-05-11 | |
| 2022-12-31 | $80,683,592 | 212,981 | Shares | Defined | 2023-02-13 | |
| 2022-09-30 | $76,824,739 | 217,603 | Shares | Defined | 2022-11-14 | |
| 2022-06-30 | $85,592,780 | 225,910 | Shares | Defined | 2022-08-12 | |
| 2022-03-31 | $72,394,860 | 229,599 | Shares | Defined | 2022-05-11 | |
| 2021-12-31 | $79,670,676 | 227,507 | Shares | Defined | 2022-02-07 | |
| 2021-09-30 | $67,846,112 | 224,656 | Shares | Defined | 2021-11-10 | |
| 2021-06-30 | $123,472,118 | 410,111 | Shares | Defined | 2021-08-05 | |
| 2021-03-31 | $112,125,864 | 407,153 | Shares | Defined | 2021-05-14 | |
| 2020-12-31 | $119,342,604 | 405,803 | Shares | Defined | 2021-02-12 | |
| 2020-09-30 | $111,293,516 | 423,943 | Shares | Defined | 2020-11-13 | |
| 2020-06-30 | $103,016,823 | 457,385 | Shares | Defined | 2020-08-13 | |
| 2020-03-31 | $47,858,958 | 363,311 | Shares | Defined | 2020-05-14 | |
| No filing history on record for this holder in this stock. | ||||||