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JANE STREET GROUP, LLC

Position in ACLX — Arcellx, Inc.

CIK 1595888 NEW YORK, NY

Position in ACLX

as of Mar 31, 2026 · filed May 12, 2026
Position Value
$0
-$3,564,483 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 2023
13 quarters on record

Common Shares in ACLX Over Time

Shares Held

Position Value (USD)

Derivatives in ACLX

reported options exposure · as of Mar 31, 2026
CallValue
$2,640,860
CallShares
23,000
PutValue
$3,536,456
PutShares
30,800

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, 2026

JANE STREET GROUP, LLC holds $1,255,284,514 across 317 Biotechnology names.

# Ticker Company Shares Value (USD) Open

All Filings in ACLX

Export CSV
21 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $3,536,456 30,800
2026-03-31 $2,640,860 23,000
2025-12-31 $3,564,483 54,670
2025-12-31 $1,251,840 19,200
2025-12-31 $2,171,160 33,300
2025-09-30 $6,114,889 74,481
2025-09-30 $1,477,800 18,000
2025-06-30 $5,399,700 82,000
2025-06-30 $3,279,330 49,800
2025-03-31 $6,638,720 101,200
2024-12-31 $1,395,758 18,200
2024-12-31 $7,891,401 102,900
2024-09-30 $4,586,201 54,918
2024-09-30 $9,419,928 112,800
2024-09-30 $9,102,590 109,000
2024-06-30 $2,870,707 52,015
2024-03-31 $2,563,403 36,857
2023-12-31 $4,683,700 84,391
2023-09-30 $355,391 9,905
2023-06-30 $2,337,666 73,930
2023-03-31 $498,844 16,191