Filing Manager
CITADEL ADVISORS LLC
Reporting Manager
Kenneth Griffin
Symbol
LXEO
Shares outstanding
74,300,257 shares
Disclosed Ownership
5,498,219 shares
Ownership
7.4%
Form type
SCHEDULE 13G/A
Filing time
17 Feb 2026, 16:38:17 UTC
Date of event
31 Dec 2025
Previous filing
14 Aug 2025

Quoteable Key Fact

"CITADEL ADVISORS LLC disclosed 7.4% ownership in Lexeo Therapeutics, Inc. Common Stock ($0.0001 par value) (the "Shares") (LXEO) on 31 Dec 2025."

Quick Takeaways

  • CITADEL ADVISORS LLC filed SCHEDULE 13G/A for Lexeo Therapeutics, Inc. Common Stock ($0.0001 par value) (the "Shares") (LXEO).
  • Disclosed ownership: 7.4%.
  • Date of event: 31 Dec 2025.

What Changed

  • Previous schedule filing date: 14 Aug 2025.
  • Current filing was accepted on 17 Feb 2026, 16:38.

Why This Matters

  • This page explains what this Schedule 13D/13G filing tells you before manager-level rows.
  • You can verify ownership claims directly against the original SEC filing.

Source Evidence

Backed by Schedule 13D/13G

Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.

See Original Filing

Reporting Managers (7)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
Citadel Advisors LLC 7.2% 5,405,269 0 5,405,269 /s/ Seth Levy Seth Levy, Authorized Signatory
Citadel Advisors Holdings LP 7.2% 5,405,269 0 5,405,269 /s/ Seth Levy Seth Levy, Authorized Signatory
Citadel GP LLC 7.2% 5,405,269 0 5,405,269 /s/ Seth Levy Seth Levy, Authorized Signatory
Citadel Securities LLC 0% 6,600 0 6,600 /s/ Seth Levy Seth Levy, Authorized Signatory
Citadel Securities Group LP 0.1% 92,950 0 92,950 /s/ Seth Levy Seth Levy, Authorized Signatory
Citadel Securities GP LLC 0.1% 92,950 0 92,950 /s/ Seth Levy Seth Levy, Authorized Signatory
Kenneth Griffin 7.4% 5,498,219 0 5,498,219 /s/ Seth Levy Seth Levy, attorney-in-fact*