Janus Henderson Group Plc - Nov 28, 2025 SCHEDULE 13G/A Report for MIRUM PHARAMACEUTICALS, INC. Common Stock (MIRM)

Filing Manager: Janus Henderson Group Plc
Reporting Manager: JANUS HENDERSON GROUP PLC
Security: MIRUM PHARAMACEUTICALS, INC. Common Stock
Symbol: MIRM
Shares outstanding: 51.4M shares
Disclosed Ownership: 5.45M shares
Ownership: 10.6%
Form type: SCHEDULE 13G/A
Date filed: 12/5/2025, 12:46 PM
Date of event: Nov 28, 2025
Previous filing: Nov 14, 2025
SEC: View on sec.gov

Reporting Managers (1)

Name	Ownership	Shares Owned	sole voting power	shared voting power	Signature	Title	CIK
JANUS HENDERSON GROUP PLC	10.6%	5.45M	0	5.45M	Kristin Mariani	Head of North America Compliance, CCO