Filing Manager
BlackRock, Inc.
Reporting Manager
BlackRock, Inc.
Symbol
MRVI
Shares outstanding
145,433,102 shares
Disclosed Ownership
8,580,553 shares
Ownership
5.9%
Form type
SCHEDULE 13G/A
Filing time
17 Oct 2025, 18:13:44 UTC
Date of event
30 Sep 2025

Reporting Managers (1)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
BlackRock, Inc. 5.9% 8,580,553 8,375,467 0 Spencer Fleming Managing Director