Filing Manager
JANUS HENDERSON GROUP PLC
Reporting Manager
JANUS HENDERSON GROUP PLC
Symbol
MREO
Shares outstanding
158,986,860 shares
Disclosed Ownership
22,735,121 shares
Ownership
14%
Form type
SCHEDULE 13G/A
Filing time
14 May 2025, 16:34:46 UTC
Date of event
31 Mar 2025
Previous filing
06 Dec 2024
Next filing
14 Aug 2025

Reporting Managers (2)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
JANUS HENDERSON GROUP PLC 14% 22,735,121 0 22,735,121 Kristin Mariani Head of North America Compliance, CCO
Janus Henderson Biotech Innovation Master Fund Ltd 13% 20,126,582 0 20,126,582 Kristin Mariani Head of North America Compliance, CCO