Frazier Life Sciences Public Fund, L.P. - 31 Dec 2025 SCHEDULE 13G/A Report for Xilio Therapeutics, Inc. Common Stock, par value $0.0001 per share (XLO)

Filing Manager
Frazier Life Sciences Public Fund, L.P.
Reporting Manager
Frazier Life Sciences Public Fund, L.P.
Security
Xilio Therapeutics, Inc. Common Stock, par value $0.0001 per share
Symbol
XLO
Shares outstanding
69,798,090 shares
Disclosed Ownership
4,676,472 shares
Ownership
6.7%
Form type
SCHEDULE 13G/A
Filing time
13 Feb 2026, 17:31:59 UTC
Date of event
31 Dec 2025
Previous filing
14 Aug 2025
SEC
View on sec.gov

Reporting Managers (14)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
Frazier Life Sciences Public Fund, L.P. 6.7% 4,676,472 0 4,676,472 /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. 6.7% 4,676,472 0 4,676,472 /s/ Jennifer Martin By Jennifer Martin, CFO of FHMLSP, L.L.C., GP of FHMLSP, L.P.
FHMLSP, L.L.C. 6.7% 4,676,472 0 4,676,472 /s/ Jennifer Martin By Jennifer Martin, CFO of FHMLSP, L.L.C.
Frazier Life Sciences X, L.P. 0.2% 149,060 0 149,060 /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. 0.2% 149,060 0 149,060 /s/ Jennifer Martin By Jennifer Martin, CFO of FHMLS X, L.L.C., GP of FHMLS X, L.P.
FHMLS X, L.L.C. 0.2% 149,060 0 149,060 /s/ Jennifer Martin By Jennifer Martin, CFO of FHMLS X, L.L.C.
Frazier Life Sciences XI, L.P. 0.6% 396,902 0 396,902 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. 0.6% 396,902 0 396,902 /s/ Jennifer Martin By Jennifer Martin, CFO of FHMLS XI, L.L.C., GP of FHMLS XI, L.P.
FHMLS XI, L.L.C. 0.6% 396,902 0 396,902 /s/ Jennifer Martin By Jennifer Martin, CFO of FHMLS XI, L.L.C.
Frazier Life Sciences XII, L.P. 1% 692,657 0 692,657 /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. 1% 692,657 0 692,657 /s/ Jennifer Martin By Jennifer Martin, CFO of FHMLS XII, L.L.C., GP of FHMLS XII, L.P.
FHMLS XII, L.L.C. 1% 692,657 0 692,657 /s/ Jennifer Martin By Jennifer Martin, General Counsel of FHMLS XII, L.L.C.
James N. Topper 0.2% 149,060 0 149,060 /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 0.2% 149,060 0 149,060 /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