Position in ARGX
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$17,152,112
+$13,951,457 QoQ
Shares Held
23,488
+517.1% QoQ
Ownership
0.038%
of shares outstanding
% of Portfolio
0.26%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
16 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
$13,436,600
CallShares
18,400
PutValue
$0
PutShares
0
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, 2026LMR Partners LLP holds $223,407,665 across 59 Biotechnology names. ARGX ranks #5 (7.7% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | ALNY |
Alnylam Pharmaceuticals, Inc.
|
74,661 | $24,703,084 | |
| 2 | ACLX |
Arcellx, Inc.
|
212,495 | $24,398,675 | |
| 3 | TERN |
Terns Pharmaceuticals, Inc.
|
400,000 | $21,088,000 | |
| 4 | BMRN |
Biomarin Pharmaceutical Inc
|
324,939 | $18,355,804 | |
| 5 | ARGX |
Argenx SE
This page
|
23,488 | $17,152,112 | |
| 6 | APLS |
Apellis Pharmaceuticals, Inc.
|
403,622 | $16,237,713 | |
| 7 | FOLD |
AMICUS THERAPEUTICS, INC.
|
1,049,700 | $15,178,662 | |
| 8 | RVMD |
Revolution Medicines, Inc.
|
130,000 | $12,642,500 |
All Filings in ARGX
Export CSV
29 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $13,436,600 | 18,400 | Call | Sole | 2026-05-15 | |
| 2026-03-31 | $17,152,112 | 23,488 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $62,230,300 | 74,000 | Call | Sole | 2026-02-17 | |
| 2025-12-31 | $3,200,655 | 3,806 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $94,038,900 | 127,500 | Call | Sole | 2025-11-14 | |
| 2025-09-30 | $6,490,528 | 8,800 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $11,465,376 | 20,800 | Shares | Sole | 2025-08-14 | |
| 2025-06-30 | $33,018,078 | 59,900 | Call | Sole | 2025-08-14 | |
| 2025-03-31 | $7,771,187 | 13,130 | Shares | Sole | 2025-05-15 | |
| 2025-03-31 | $15,447,676 | 26,100 | Call | Sole | 2025-05-15 | |
| 2024-12-31 | $11,568,150 | 18,810 | Shares | Sole | 2025-02-14 | |
| 2024-12-31 | $13,407,000 | 21,800 | Call | Sole | 2025-02-14 | |
| 2024-09-30 | $9,645,771 | 17,794 | Shares | Sole | 2024-11-07 | |
| 2024-09-30 | $23,309,440 | 43,000 | Call | Sole | 2024-11-07 | |
| 2024-09-30 | $11,329,472 | 20,900 | Put | Sole | 2024-11-07 | |
| 2024-06-30 | $3,698,344 | 8,600 | Call | Other | 2024-08-14 | |
| 2024-06-30 | $1,075,100 | 2,500 | Shares | Other | 2024-08-14 | |
| 2024-06-30 | $473,044 | 1,100 | Put | Other | 2024-08-14 | |
| 2023-12-31 | $2,358,666 | 6,200 | Call | Sole | 2024-02-14 | |
| 2023-12-31 | $418,473 | 1,100 | Shares | Sole | 2024-02-14 | |
| 2023-09-30 | $540,793 | 1,100 | Shares | Sole | 2023-11-14 | |
| 2023-06-30 | $3,936,273 | 10,100 | Put | Sole | 2023-08-14 | |
| 2023-06-30 | $38,973 | 100 | Call | Sole | 2023-08-14 | |
| 2023-06-30 | $389,730 | 1,000 | Shares | Sole | 2023-08-14 | |
| 2022-12-31 | $11,364,900 | 30,000 | Shares | Sole | 2023-02-14 | |
| 2022-09-30 | $10,591,500 | 30,000 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $3,788,800 | 10,000 | Shares | Sole | 2022-08-15 | |
| 2022-03-31 | $6,306,200 | 20,000 | Shares | Sole | 2022-05-16 | |
| 2020-03-31 | $1,333,897 | 10,126 | Shares | Sole | 2020-08-14 | |
| No filing history on record for this holder in this stock. | ||||||