---
schema_version: "secwatch.filing_event.v1"
accession: "0001628280-24-000888"
form_type: "8-K"
ticker: "LNTH"
cik: "0001521036"
company_name: "Lantheus Holdings, Inc."
filed_at: "2024-01-09T23:59:59+00:00"
generated_at: "2026-06-07T01:27:33.939536+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# Lantheus pre-announces FY2023 revenue ~$1.296B, beating guidance; PYLARIFY up 62%

## Summary
- Worldwide revenue expected $1.295-1.297B, up 38-39% YoY, above prior guidance of $1.255-1.270B.
- PYLARIFY revenue $851-853M (+61-62% YoY); DEFINITY ~$279M (+14%); includes $15M RELISTOR milestone.
- Company cites over 6 million patients impacted and strong radiopharmaceutical platform momentum.
- Full FY2023 results and 2024 financial expectations to be released in late February 2024.

## SEC filing metadata
- accession: 0001628280-24-000888
- form_type: 8-K
- ticker: LNTH
- cik: 0001521036
- company_name: Lantheus Holdings, Inc.
- filed_at: 2024-01-09T23:59:59+00:00
- event_type: earnings
- sentiment: positive
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1521036/000162828024000888/0001628280-24-000888-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1521036/000162828024000888/lnth-20240109.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001628280-24-000888
- JSON: https://secwatch.observer/filing/0001628280-24-000888.json
- Plain text: https://secwatch.observer/filing/0001628280-24-000888.txt

## Key facts
- Earnings Releases
  Lantheus Holdings, Inc. reported fiscal year ended December 31, 2023 results: revenue $1.295 - 1.297 billion.
  - Period: fiscal year ended December 31, 2023
  - Revenue: $1.295 - 1.297 billion
  - Result: preliminary results
  source text: Lantheus Reports Preliminary Fiscal Year 2023 Revenue Full year 2023 worldwide revenue expected to be in the range of $1.295 – 1.297 billion
  evidence_url: https://www.sec.gov/Archives/edgar/data/1521036/000162828024000888/0001628280-24-000888-index.htm

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.