Filing Manager
JANUS HENDERSON GROUP PLC
Reporting Manager
JANUS HENDERSON GROUP PLC
Symbol
MREO
Shares outstanding
159M shares
Disclosed Ownership
22.7M shares
Ownership
14.3%
Form type
SCHEDULE 13G/A
Date filed
5/14/2025, 04:34 PM
Date of event
Mar 31, 2025
Previous filing
Dec 6, 2024
Next filing
Aug 14, 2025

Reporting Managers (2)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
JANUS HENDERSON GROUP PLC 14.3% 22.7M 0 22.7M Kristin Mariani Head of North America Compliance, CCO
Janus Henderson Biotech Innovation Master Fund Ltd 12.7% 20.1M 0 20.1M Kristin Mariani Head of North America Compliance, CCO