Exhibit 32.2
CERTIFICATION PURSUANT TO
18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO
SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002
I, Lee Kalowski, Chief Financial Officer of Q32 Bio, Inc. (the “Company”) hereby certify, pursuant to 18 U.S.C. § 1350, as adopted pursuant to § 906 of the Sarbanes-Oxley Act of 2002, that to the best of my knowledge:
| Date: March 11, 2025 | 
 | By: | /s/ Lee Kalowski | 
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 | Lee Kalowski | 
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 | Chief Financial Officer and President (principal financial officer) |