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JANE STREET GROUP, LLC

Position in ARGX — Argenx SE

CIK 1595888 NEW YORK, NY

Position in ARGX

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$0
-$28,069,349 QoQ
Shares Held
0
-100.0% QoQ
Ownership
0.000%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Mar 2020
25 quarters on record

Common Shares in ARGX Over Time

Shares Held

Position Value (USD)

Derivatives in ARGX

reported options exposure · as of Jun 30, 2026
CallValue
$32,843,058
CallShares
35,400
PutValue
$11,133,240
PutShares
12,000

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

JANE STREET GROUP, LLC holds $1,364,050,815 across 292 Biotechnology names.

# Ticker Company Shares Value (USD) Open

All Filings in ARGX

Export CSV
50 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $11,133,240 12,000
2026-06-30 $32,843,058 35,400
2026-03-31 $28,069,349 38,438
2026-03-31 $7,375,525 10,100
2026-03-31 $5,768,975 7,900
2025-12-31 $9,502,735 11,300
2025-12-31 $4,204,750 5,000
2025-12-31 $23,954,460 28,485
2025-09-30 $13,349,836 18,100
2025-09-30 $36,807,193 49,904
2025-09-30 $19,324,072 26,200
2025-06-30 $2,921,466 5,300
2025-06-30 $9,106,153 16,520
2025-06-30 $3,638,052 6,600
2025-03-31 $6,451,328 10,900
2025-03-31 $6,273,769 10,600
2025-03-31 $16,724,920 28,258
2024-12-31 $13,837,500 22,500
2024-12-31 $17,466,000 28,400
2024-12-31 $17,143,125 27,875
2024-09-30 $2,222,528 4,100
2024-09-30 $4,775,723 8,810
2024-09-30 $19,460,672 35,900
2024-06-30 $8,302,351 19,306
2024-03-31 $7,622,024 19,359
2023-12-31 $9,850,853 25,894
2023-09-30 $5,715,689 11,626
2023-06-30 $4,523,985 11,608
2023-03-31 $697,096 1,871
2022-12-31 $2,573,012 6,792
2022-09-30 $13,757,651 38,968
2022-03-31 $8,671,025 27,500
2022-03-31 $3,972,906 12,600
2021-12-31 $1,400,760 4,000
2021-12-31 $315,171 900
2021-12-31 $4,938,028 14,101
2021-09-30 $10,026,400 33,200
2021-09-30 $16,028,650 53,075
2021-09-30 $2,506,600 8,300
2021-06-30 $2,860,165 9,500
2021-06-30 $12,012,693 39,900
2021-06-30 $5,200,984 17,275
2021-03-31 $1,707,418 6,200
2021-03-31 $9,335,721 33,900
2020-12-31 $18,107,415 61,571
2020-12-31 $10,675,467 36,300
2020-12-31 $3,881,988 13,200
2020-09-30 $15,567,436 59,300
2020-09-30 $19,531,488 74,400
2020-09-30 $5,133,053 19,553