PFIZER INC - 31 Dec 2024 SCHEDULE 13G/A Report for Q32 Bio Inc. Common Stock par value $0.0001 per share (QTTB)

Filing Manager: PFIZER INC
Reporting Manager: Pfizer Inc. (IRS Identification No.: 13-5315170)
Security: Q32 Bio Inc. Common Stock par value $0.0001 per share
Symbol: QTTB
Shares outstanding: 12,077,261 shares
Disclosed Ownership: 277,777 shares
Ownership: 2.3%
Form type: SCHEDULE 13G/A
Filing time: 13 Feb 2026, 17:08:27 UTC
Date of event: 31 Dec 2024
SEC: View on sec.gov

Reporting Managers (1)

Name	Ownership	Shares Owned	sole voting power	shared voting power	Signature	Title	CIK
Pfizer Inc. (IRS Identification No.: 13-5315170)	2.3%	277,777	277,777	0	/s/ Madelyn D. Purcell	Madelyn D. Purcell/Assistant Secretary