Fmr Llc - Mar 31, 2025 SCHEDULE 13G/A Report for METSERA INC COMMON STOCK (MTSR)

Reporting Managers (2)

Name	Ownership	Shares Owned	sole voting power	shared voting power	Signature	Title	CIK
FMR LLC	14.4%	15.2M	15.2M	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	14.4%	15.2M	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**

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