Position in ARGX
as of Mar 31, 2026
· filed May 13, 2026
Position Value
$209,556,920
-$68,382,099 QoQ
Shares Held
286,966
-13.2% QoQ
Ownership
0.461%
of shares outstanding
% of Portfolio
0.25%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
25 quarters on record
Voting authority
Sole 100.ToString("F0")%
Shared 0.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, 2026SEI INVESTMENTS CO holds $1,293,253,921 across 195 Biotechnology names. ARGX ranks #2 (16.2% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | INSM |
INSMED Inc
|
1,395,794 | $228,240,234 | |
| 2 | ARGX |
Argenx SE
This page
|
286,966 | $209,556,920 | |
| 3 | ASND |
Ascendis Pharma A/S
|
351,146 | $80,317,623 | |
| 4 | EXEL |
Exelixis, Inc.
|
1,629,670 | $69,896,545 | |
| 5 | INCY |
Incyte Corp
|
714,558 | $67,254,197 | |
| 6 | VRTX |
Vertex Pharmaceuticals Inc / Ma
|
133,226 | $59,490,737 | |
| 7 | REGN |
Regeneron Pharmaceuticals, Inc.
|
75,000 | $57,947,999 | |
| 8 | ALNY |
Alnylam Pharmaceuticals, Inc.
|
100,315 | $33,191,223 |
All Filings in ARGX
Export CSV
25 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $209,556,920 | 286,966 | Shares | Sole | 2026-05-13 | |
| 2025-12-31 | $277,939,019 | 330,506 | Shares | Sole | 2026-02-13 | |
| 2025-09-30 | $230,316,386 | 312,268 | Shares | Sole | 2025-11-13 | |
| 2025-06-30 | $174,405,456 | 316,399 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $213,663,264 | 361,000 | Shares | Sole | 2025-05-14 | |
| 2024-12-31 | $225,471,300 | 366,620 | Shares | Sole | 2025-02-11 | |
| 2024-09-30 | $206,367,145 | 380,695 | Shares | Sole | 2024-11-12 | |
| 2024-06-30 | $164,079,181 | 381,544 | Shares | Sole | 2024-08-13 | |
| 2024-03-31 | $130,347,698 | 331,067 | Shares | Sole | 2024-05-07 | |
| 2023-12-31 | $126,309,226 | 332,017 | Shares | Sole | 2024-02-14 | |
| 2023-09-30 | $140,758,585 | 286,310 | Shares | Sole | 2023-11-14 | |
| 2023-06-30 | $101,391,377 | 260,158 | Shares | Sole | 2023-08-11 | |
| 2023-03-31 | $99,431,914 | 266,874 | Shares | Sole | 2023-05-12 | |
| 2022-12-31 | $64,925,779 | 171,385 | Shares | Sole | 2023-02-10 | |
| 2022-09-30 | $63,366,472 | 179,483 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $66,740,848 | 176,153 | Shares | Sole | 2022-08-15 | |
| 2022-03-31 | $61,526,755 | 195,131 | Shares | Sole | 2022-05-13 | |
| 2021-12-31 | $62,936,146 | 179,720 | Shares | Sole | 2022-02-14 | |
| 2021-09-30 | $45,300,302 | 150,001 | Shares | Sole | 2021-11-12 | |
| 2021-06-30 | $42,763,078 | 142,037 | Shares | Sole | 2021-08-06 | |
| 2021-03-31 | $35,131,226 | 127,569 | Shares | Sole | 2021-05-12 | |
| 2020-12-31 | $24,956,477 | 84,860 | Shares | Sole | 2021-02-08 | |
| 2020-09-30 | $14,093,123 | 53,684 | Shares | Sole | 2020-12-04 | |
| 2020-06-30 | $9,220,916 | 40,940 | Shares | Sole | 2020-08-17 | |
| 2020-03-31 | $4,847,795 | 36,801 | Shares | Sole | 2020-05-14 | |
| No filing history on record for this holder in this stock. | ||||||