Key facts
- 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.
CITADEL ADVISORS LLC - 31 Dec 2025 SCHEDULE 13G/A Report for Lexeo Therapeutics, Inc. Common Stock ($0.0001 par value) (the "Shares") (LXEO)
- Filing manager
- CITADEL ADVISORS LLC
- Reporting owner
- Kenneth Griffin
- Symbol
- LXEO
- Shares outstanding
- 74,300,257 shares
- Disclosed shares
- 5,498,219 shares
- Ownership percentage
- 7.4%
- Form type
- SCHEDULE 13G/A
- Filing time
- 17 Feb 2026, 16:38:17 UTC
- Event date
- 31 Dec 2025
- Previous filing
- 14 Aug 2025
- SEC filing
- View on sec.gov
Reporting parties
Subject security
Ownership signal
SEC evidence
Key filing 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.
Change
- Previous schedule filing date: 14 Aug 2025.
- Current filing was accepted on 17 Feb 2026, 16:38.
Research use
- 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.
Evidence
Backed by Schedule 13D/13G
See Original Filing
Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.
Reporting persons
Reporting managers (7)
Names, ownership, voting power, signatures, titles, and CIKs as disclosed in this Schedule 13D/G filing.
| 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* |
CIK / CUSIP context first