Fmr Llc - Sep 30, 2025 SCHEDULE 13G/A Report for ALNYLAM PHARMACEUTICALS INC COMMON STOCK (ALNY)

Filing Manager
FMR LLC
Reporting Manager
FMR LLC
Symbol
ALNY
Shares outstanding
132M shares
Disclosed Ownership
16.8M shares
Ownership
12.8%
Form type
SCHEDULE 13G/A
Date filed
11/5/2025, 11:26 AM
Date of event
Sep 30, 2025

Reporting Managers (2)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
FMR LLC 12.8% 16.8M 16.3M 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 12.8% 16.8M 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**