Position in ARGX
as of Dec 31, 2025
· filed Feb 17, 2026
Position Value
$113,948,725
+$10,911,593 QoQ
Shares Held
135,500
-3.0% QoQ
Ownership
0.217%
of shares outstanding
% of Portfolio
0.22%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2025
4 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 Dec 31, 2025TWO SIGMA ADVISERS, LP holds $2,539,427,813 across 228 Biotechnology names. ARGX ranks #5 (4.5% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | REGN |
Regeneron Pharmaceuticals, Inc.
|
604,540 | $466,626,289 | |
| 2 | ALNY |
Alnylam Pharmaceuticals, Inc.
|
1,132,560 | $450,362,484 | |
| 3 | IONS |
Ionis Pharmaceuticals Inc
|
3,052,111 | $241,452,501 | |
| 4 | MRNA |
Moderna, Inc.
|
7,729,700 | $227,948,853 | |
| 5 | ARGX |
Argenx SE
This page
|
135,500 | $113,948,725 | |
| 6 | BBIO |
BridgeBio Pharma, Inc.
|
1,401,035 | $107,165,167 | |
| 7 | VKTX |
Viking Therapeutics, Inc.
|
2,129,228 | $74,906,241 | |
| 8 | INSM |
INSMED Inc
|
395,000 | $68,745,800 |
All Filings in ARGX
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4 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2025-12-31 | $113,948,725 | 135,500 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $103,037,132 | 139,700 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $7,717,080 | 14,000 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $17,874,323 | 30,200 | Shares | Sole | 2025-05-15 | |
| No filing history on record for this holder in this stock. | ||||||