Skip to main content

LMR Partners LLP

Position in ARGX — Argenx SE

CIK 1578621 LONDON, X0

Position in ARGX

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$7,607,714
-$9,544,398 QoQ
Shares Held
8,200
-65.1% QoQ
Ownership
0.013%
of shares outstanding
% of Portfolio
0.09%
of 13F equity value
Holder Rank
#131
of 505 holders
Holding Since
Mar 2020
17 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in ARGX Over Time

Shares Held

Position Value (USD)

Derivatives in ARGX

reported options exposure · as of Jun 30, 2026
CallValue
$18,926,508
CallShares
20,400
PutValue
$3,061,641
PutShares
3,300

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 Jun 30, 2026

LMR Partners LLP holds $188,560,243 across 75 Biotechnology names. ARGX ranks #6 (4.0% of the industry book) .

# Ticker Company Shares Value (USD) Open
6 ARGX
Argenx SE
This page
8,200 $7,607,714

All Filings in ARGX

Export CSV
32 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $18,926,508 20,400
2026-06-30 $3,061,641 3,300
2026-06-30 $7,607,714 8,200
2026-03-31 $13,436,600 18,400
2026-03-31 $17,152,112 23,488
2025-12-31 $62,230,300 74,000
2025-12-31 $3,200,655 3,806
2025-09-30 $94,038,900 127,500
2025-09-30 $6,490,528 8,800
2025-06-30 $11,465,376 20,800
2025-06-30 $33,018,078 59,900
2025-03-31 $7,771,187 13,130
2025-03-31 $15,447,676 26,100
2024-12-31 $11,568,150 18,810
2024-12-31 $13,407,000 21,800
2024-09-30 $9,645,771 17,794
2024-09-30 $23,309,440 43,000
2024-09-30 $11,329,472 20,900
2024-06-30 $3,698,344 8,600
2024-06-30 $1,075,100 2,500
2024-06-30 $473,044 1,100
2023-12-31 $2,358,666 6,200
2023-12-31 $418,473 1,100
2023-09-30 $540,793 1,100
2023-06-30 $3,936,273 10,100
2023-06-30 $38,973 100
2023-06-30 $389,730 1,000
2022-12-31 $11,364,900 30,000
2022-09-30 $10,591,500 30,000
2022-06-30 $3,788,800 10,000
2022-03-31 $6,306,200 20,000
2020-03-31 $1,333,897 10,126