Schedule 13G ownership disclosure

LANTHEUS HLDGS INC COM

Common Stock · CUSIP: 516544103

Event date: 2025-09-30

Filing-level shares
6,684,737
Percent of class
9.8%
  • JANUS HENDERSON GROUP PLC

    Shares: 6,684,737 · Class: 9.8%

Amounts are as disclosed in this filing. Schedule type alone does not establish investment intent.

Source: SEC EDGAR filing

Filing metadata

Accession number
0001274173-25-000294
Form type
SCHEDULE 13G/A
Filer
JANUS HENDERSON GROUP PLC
CIK
CIK 1274173
Filed
Nov 14, 2025
Reporting period
Sep 30, 2025
Description
Schedule 13G beneficial ownership

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