Position in ARGX
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$10,509,758
-$9,638,563 QoQ
Shares Held
14,392
-39.9% QoQ
Ownership
0.023%
of shares outstanding
% of Portfolio
0.02%
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)
Derivatives in ARGX
reported options exposure · as of Mar 31, 2026CallValue
$96,758,125
CallShares
132,500
PutValue
$67,475,100
PutShares
92,400
Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.
Position in Biotechnology
Healthcare · as of Mar 31, 2026SUSQUEHANNA INTERNATIONAL GROUP, LLP holds $1,173,997,525 across 354 Biotechnology names. ARGX ranks #30 (0.9% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | CYTK |
Cytokinetics Inc
|
898,951 | $59,249,860 | |
| 2 | ALNY |
Alnylam Pharmaceuticals, Inc.
|
174,268 | $57,660,053 | |
| 3 | AGIO |
Agios Pharmaceuticals, Inc.
|
1,344,953 | $45,499,759 | |
| 4 | ABVX |
Abivax S.A.
|
381,282 | $42,455,750 | |
| 5 | BBIO |
BridgeBio Pharma, Inc.
|
398,943 | $29,625,507 | |
| 6 | INSM |
INSMED Inc
|
173,630 | $28,391,977 | |
| 7 | CRSP |
CRISPR Therapeutics AG
|
593,406 | $28,228,323 | |
| 8 | TERN |
Terns Pharmaceuticals, Inc.
|
521,571 | $27,497,223 |
All Filings in ARGX
Export CSV
50 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $67,475,100 | 92,400 | Put | Other | 2026-05-15 | |
| 2026-03-31 | $96,758,125 | 132,500 | Call | Other | 2026-05-15 | |
| 2026-03-31 | $10,509,758 | 14,392 | Shares | Other | 2026-05-15 | |
| 2025-12-31 | $100,157,145 | 119,100 | Call | Other | 2026-02-17 | |
| 2025-12-31 | $20,148,321 | 23,959 | Shares | Other | 2026-02-17 | |
| 2025-12-31 | $96,961,535 | 115,300 | Put | Other | 2026-02-17 | |
| 2025-09-30 | $128,114,172 | 173,700 | Call | Other | 2025-11-14 | |
| 2025-09-30 | $65,937,864 | 89,400 | Put | Other | 2025-11-14 | |
| 2025-06-30 | $13,113,523 | 23,790 | Shares | Other | 2025-08-14 | |
| 2025-06-30 | $34,230,762 | 62,100 | Call | Other | 2025-08-14 | |
| 2025-06-30 | $19,292,700 | 35,000 | Put | Other | 2025-08-14 | |
| 2025-03-31 | $1,108,563 | 1,873 | Shares | Other | 2025-05-14 | |
| 2025-03-31 | $28,823,825 | 48,700 | Put | Other | 2025-05-14 | |
| 2025-03-31 | $43,087,772 | 72,800 | Call | Other | 2025-05-14 | |
| 2024-12-31 | $409,590 | 666 | Shares | Other | 2025-02-14 | |
| 2024-12-31 | $43,419,000 | 70,600 | Put | Other | 2025-02-14 | |
| 2024-12-31 | $84,562,500 | 137,500 | Call | Other | 2025-02-14 | |
| 2024-09-30 | $65,916,928 | 121,600 | Put | Defined | 2024-11-14 | |
| 2024-09-30 | $6,384,076 | 11,777 | Shares | Defined | 2024-11-14 | |
| 2024-09-30 | $47,215,168 | 87,100 | Call | Defined | 2024-11-14 | |
| 2024-06-30 | $8,362,987 | 19,447 | Shares | Defined | 2024-08-15 | |
| 2024-06-30 | $33,500,116 | 77,900 | Call | Defined | 2024-08-15 | |
| 2024-06-30 | $78,181,272 | 181,800 | Put | Defined | 2024-08-15 | |
| 2024-03-31 | $45,474,660 | 115,500 | Call | Defined | 2024-05-07 | |
| 2024-03-31 | $21,693,972 | 55,100 | Put | Defined | 2024-05-07 | |
| 2024-03-31 | $479,944 | 1,219 | Shares | Defined | 2024-05-07 | |
| 2023-12-31 | $40,667,967 | 106,900 | Put | Defined | 2024-02-14 | |
| 2023-12-31 | $6,316,278 | 16,603 | Shares | Defined | 2024-02-14 | |
| 2023-12-31 | $74,830,581 | 196,700 | Call | Defined | 2024-02-14 | |
| 2023-09-30 | $59,143,089 | 120,300 | Put | Defined | 2023-11-14 | |
| 2023-09-30 | $72,859,566 | 148,200 | Call | Defined | 2023-11-14 | |
| 2023-06-30 | $54,211,443 | 139,100 | Call | Defined | 2023-08-11 | |
| 2023-06-30 | $75,529,674 | 193,800 | Put | Defined | 2023-08-11 | |
| 2023-03-31 | $2,293,602 | 6,156 | Shares | Defined | 2023-05-16 | |
| 2023-03-31 | $16,840,616 | 45,200 | Call | Defined | 2023-05-16 | |
| 2023-03-31 | $34,910,746 | 93,700 | Put | Defined | 2023-05-16 | |
| 2022-12-31 | $34,170,466 | 90,200 | Put | Defined | 2023-02-14 | |
| 2022-12-31 | $29,662,389 | 78,300 | Call | Defined | 2023-02-14 | |
| 2022-12-31 | $1,745,269 | 4,607 | Shares | Defined | 2023-02-14 | |
| 2022-09-30 | $17,934,940 | 50,800 | Call | Defined | 2022-11-14 | |
| 2022-09-30 | $19,629,580 | 55,600 | Put | Defined | 2022-11-14 | |
| 2022-06-30 | $22,429,696 | 59,200 | Call | Defined | 2022-08-15 | |
| 2022-06-30 | $14,283,776 | 37,700 | Put | Defined | 2022-08-15 | |
| 2022-03-31 | $13,684,454 | 43,400 | Call | Defined | 2022-05-16 | |
| 2022-03-31 | $9,869,203 | 31,300 | Put | Defined | 2022-05-16 | |
| 2021-12-31 | $2,636,580 | 7,529 | Shares | Defined | 2022-04-05 | |
| 2021-12-31 | $18,244,899 | 52,100 | Call | Defined | 2022-04-05 | |
| 2021-12-31 | $4,097,223 | 11,700 | Put | Defined | 2022-04-05 | |
| 2021-09-30 | $17,908,600 | 59,300 | Call | Defined | 2021-11-15 | |
| 2021-09-30 | $17,546,200 | 58,100 | Put | Defined | 2021-11-15 | |
| No filing history on record for this holder in this stock. | ||||||