---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-26-210369"
form_type: "8-K"
ticker: "LNTH"
cik: "0001521036"
company_name: "Lantheus Holdings, Inc."
filed_at: "2026-05-07T23:59:59+00:00"
generated_at: "2026-05-14T21:37:47.942609+00:00"
event_type: "earnings"
sentiment: "neutral"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "high"
source: SEC EDGAR
---

# Lantheus Q1 revenue $377.3M (+1.2% YoY); GAAP EPS $1.80, adjusted EPS $1.46

## Summary
- Worldwide revenue $377.3M (+1.2%); GAAP diluted EPS $1.80 (+76.5%), adjusted diluted EPS $1.46 (-4.6%).
- PYLARIFY sales $240.9M (-6.5% YoY); DEFINITY $84.6M (+6.8%); Neuraceq $35.4M.
- FDA approved PYLARIFY TruVu (new formulation); phased launch begins Q4 2026.
- FDA tentative approval for PNT2003 (Lutetium Lu 177 Dotatate radioequivalent for GEP-NETs); launch pending.
- Reaffirmed FY2026 guidance: revenue $1.4B-$1.45B, adjusted EPS $5.00-$5.25.

## SEC filing metadata
- accession: 0001193125-26-210369
- form_type: 8-K
- ticker: LNTH
- cik: 0001521036
- company_name: Lantheus Holdings, Inc.
- filed_at: 2026-05-07T23:59:59+00:00
- event_type: earnings
- sentiment: neutral
- materiality_score: 0.65
- calibrated_materiality_score: 0.65
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1521036/000119312526210369/0001193125-26-210369-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1521036/000119312526210369/lnth-20260507.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-26-210369
- JSON: https://secwatch.observer/filing/0001193125-26-210369.json
- Plain text: https://secwatch.observer/filing/0001193125-26-210369.txt

## Source-grounded claims
- claim_id: e061550d8368e0377d54a5be2c1a8a3c71eb8ef0
  claim: Lantheus Holdings, Inc. updated its the three months ended March 31, 2026 guidance (reaffirmed).
  evidence_excerpt: On May 7, 2026, Lantheus Holdings, Inc. (the “Company”) announced via press release its financial results as of and for the three months ended March 31, 2026. A copy of that press release is being furnished as Exhibit 99.1 and is hereby incorporated by reference.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1521036/000119312526210369/0001193125-26-210369-index.htm

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