Fmr Llc - Oct 31, 2025 SCHEDULE 13G Report for X4 PHARMACEUTICALS INC COMMON STOCK (XFOR)

Filing Manager
FMR LLC
Reporting Manager
FMR LLC
Symbol
XFOR
Shares outstanding
57.4M shares
Disclosed Ownership
8.5M shares
Ownership
14.8%
Form type
SCHEDULE 13G
Date filed
11/7/2025, 11:13 AM
Date of event
Oct 31, 2025

Reporting Managers (2)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
FMR LLC 14.8% 8.5M 8.5M 0 Stephanie J. Brown Duly authorized under Power of Attorney effective as of January 3, 2023, by and on behalf of FMR LLC and its direct and indirect subsidiaries*
Abigail P. Johnson 14.8% 8.5M 0 0 Stephanie J. Brown Duly authorized under Power of Attorney effective as of January 26, 2023, by and on behalf of Abigail P. Johnson**