JANUS HENDERSON GROUP PLC - 30 Sep 2025 SCHEDULE 13G/A Report for MEREO BIOPHARMA GROUP PLC American Depositary Shares (MREO)

Filing Manager
JANUS HENDERSON GROUP PLC
Reporting Manager
JANUS HENDERSON GROUP PLC
Security
MEREO BIOPHARMA GROUP PLC American Depositary Shares
Symbol
MREO
Shares outstanding
159,707,157 shares
Disclosed Ownership
16,290,130 shares
Ownership
10%
Form type
SCHEDULE 13G/A
Filing time
14 Nov 2025, 11:58:57 UTC
Date of event
30 Sep 2025
Previous filing
14 Aug 2025
SEC
View on sec.gov

Reporting Managers (2)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
JANUS HENDERSON GROUP PLC 10% 16,290,130 0 16,290,130 Kristin Mariani Head of North America Compliance, CCO
Janus Henderson Biotech Innovation Master Fund Ltd 8.7% 13,759,885 0 13,759,885 Kristin Mariani Head of North America Compliance, CCO