Janus Henderson Group plc 13D and 13G filings for Lantheus Holdings, Inc.:
- Schedule 13D must be filed within ten days after a person or an organization acquires beneficial ownership of more than 5% of a voting class of a company's equity securities.
- Shares have been adjusted for stock splits.
| Reported DateTime | Transaction Date | Type | Company Symbol | Filed By Symbol | Shares Owned % Owned | Shares Vs. Prev Report | View |
| 2026-05-15 12:38 pm Sale | 2026-03-31 | 13G | LANTHEUS HLDGS INC LNTH | JANUS HENDERSON GROUP Ltd. JHG | 4,774,841 7.400% | -932,406 (-16.34%) | Filing |
| 2026-02-17 4:34 pm Sale | 2025-12-31 | 13G | LANTHEUS HLDGS INC LNTH | JANUS HENDERSON GROUP Ltd. JHG | 5,707,247 8.600% | -977,490 (-14.62%) | Filing |
| 2025-11-14 12:03 pm Sale | 2025-09-30 | 13G | LANTHEUS HLDGS INC LNTH | JANUS HENDERSON GROUP Ltd. JHG | 6,684,737 9.800% | -254,247 (-3.66%) | Filing |
| 2025-08-14 11:17 am Sale | 2025-06-30 | 13G | LANTHEUS HLDGS INC LNTH | JANUS HENDERSON GROUP Ltd. JHG | 6,938,984 10.000% | -16,071 (-0.23%) | Filing |
| 2025-06-06 11:59 am Purchase | 2025-05-30 | 13G | LANTHEUS HLDGS INC LNTH | JANUS HENDERSON GROUP Ltd. JHG | 6,955,055 10.100% | 439,569 (+6.75%) | Filing |
| 2025-05-14 12:16 pm Purchase | 2025-03-31 | 13G | LANTHEUS HLDGS INC LNTH | JANUS HENDERSON GROUP Ltd. JHG | 6,515,486 9.500% | 316,797 (+5.11%) | Filing |
| 2025-02-14 12:11 pm Purchase | 2024-12-31 | 13G | LANTHEUS HLDGS INC LNTH | JANUS HENDERSON GROUP Ltd. JHG | 6,198,689 8.900% | 2,610,118 (+72.73%) | Filing |
| 2024-11-14 3:29 pm Sale | 2024-09-30 | 13G | LANTHEUS HLDGS INC LNTH | JANUS HENDERSON GROUP Ltd. JHG | 3,588,571 5.200% | -374,035 (-9.44%) | Filing |
| 2024-02-14 1:18 pm Purchase | 2023-12-31 | 13G | LANTHEUS HLDGS INC LNTH | JANUS HENDERSON GROUP Ltd. JHG | 3,962,606 5.800% | 3,962,606 (New Position) | Filing |