Reporting parties
Subject security
Symbol
LXEO
Shares outstanding
72,515,118 shares
Ownership signal
SEC evidence
Form type
SCHEDULE 13G/A
Filing time
13 Feb 2026, 17:33:55 UTC
Event date
31 Dec 2025
Previous filing
14 Aug 2025
SEC filing
View on sec.gov

Key filing fact

Frazier Life Sciences Public Fund, L.P. disclosed 5.1% ownership in Lexeo Therapeutics, Inc. Common Stock, $0.0001 par value per share (LXEO) on 31 Dec 2025.

Key facts

  • Frazier Life Sciences Public Fund, L.P. filed SCHEDULE 13G/A for Lexeo Therapeutics, Inc. Common Stock, $0.0001 par value per share (LXEO).
  • Disclosed ownership: 5.1%.
  • Date of event: 31 Dec 2025.

Change

  • Previous schedule filing date: 14 Aug 2025.
  • Current filing was accepted on 13 Feb 2026, 17:33.

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

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

See Original Filing

Reporting persons

Reporting managers (14)

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
Frazier Life Sciences Public Fund, L.P. 5.1% 3,698,271 0 3,698,271 /s/ Jennifer Martin By Jennifer Martin, CFO of FHMLSP, L.L.C., GP of FHMLSP, L.P., GP of Frazier Life Sciences Public Fund, L.P.
FHMLSP, L.P. 5.1% 3,698,271 0 3,698,271 /s/ Jennifer Martin By Jennifer Martin, CFO of FHMLSP, L.L.C., GP of FHMLSP, L.P.
FHMLSP, L.L.C. 5.1% 3,698,271 0 3,698,271 /s/ Jennifer Martin By Jennifer Martin, CFO of FHMLSP, L.L.C.
Frazier Life Sciences X, L.P. 0.1% 87,424 0 87,424 /s/ Jennifer Martin By Jennifer Martin, CFO of FHMLS X, L.L.C., GP of FHMLS X, L.P., GP of Frazier Life Sciences X, L.P.
FHMLS X, L.P. 0.1% 87,424 0 87,424 /s/ Jennifer Martin By Jennifer Martin, CFO of FHMLS X, L.L.C., GP of FHMLS X, L.P.
FHMLS X, L.L.C. 0.1% 87,424 0 87,424 /s/ Jennifer Martin By Jennifer Martin, CFO of FHMLS X, L.L.C.
Frazier Life Sciences XI, L.P. 0.3% 232,784 0 232,784 /s/ Jennifer Martin By Jennifer Martin, CFO of FHMLS XI, L.L.C., GP of FHMLS XI, L.P., GP of Frazier Life Sciences XI, L.P.
FHMLS XI, L.P. 0.3% 232,784 0 232,784 /s/ Jennifer Martin By Jennifer Martin, CFO of FHMLS XI, L.L.C., GP of FHMLS XI, L.P.
FHMLS XI, L.L.C. 0.3% 232,784 0 232,784 /s/ Jennifer Martin By Jennifer Martin, CFO of FHMLS XI, L.L.C.
Frazier Life Sciences XII, L.P. 0.6% 406,246 0 406,246 /s/ Jennifer Martin By Jennifer Martin, CFO of FHMLS XII, L.L.C., GP of FHMLS XII, L.P., GP of Frazier Life Sciences XII, L.P.
FHMLS XII, L.P. 0.6% 406,246 0 406,246 /s/ Jennifer Martin By Jennifer Martin, CFO of FHMLS XII, L.L.C., GP of FHMLS XII, L.P.
FHMLS XII, L.L.C. 0.6% 406,246 0 406,246 /s/ Jennifer Martin By Jennifer Martin, CFO of FHMLS XII, L.L.C.
James N. Topper 0.1% 87,424 0 87,424 /s/ Jennifer Martin By Jennifer Martin, Attorney-in-Fact for James N. Topper, pursuant to a Power of Attorney, a copy of which was filed with the SEC on January 27, 2026
Patrick J. Heron 0.1% 87,424 0 87,424 /s/ Jennifer Martin By Jennifer Martin, Attorney-in-Fact for Patrick Heron, pursuant to a Power of Attorney, a copy of which was filed with the SEC on January 27, 2026
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