---
schema_version: "secwatch.filing_event.v1"
accession: "0001110803-24-000019"
form_type: "8-K"
ticker: "ILMN"
cik: "0001110803"
company_name: "ILLUMINA, INC."
filed_at: "2024-05-02T23:59:59+00:00"
generated_at: "2026-06-02T23:54:25.507129+00:00"
event_type: "earnings"
sentiment: "neutral"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# Illumina Q1 2024: Core rev -2% to $1.06B; GAAP loss $0.79; GRAIL divestiture on track

## Summary
- Core Illumina revenue $1.06B, down 2% YoY; GAAP operating margin 11.0%, non-GAAP 20.6%.
- GAAP diluted loss per share ($0.79) vs. $0.02 EPS in Q1 2023; non-GAAP EPS $0.09 vs. $0.08.
- FY2024 guidance reaffirmed: core revenue approximately flat YoY; non-GAAP operating margin ~20%.
- GRAIL divestiture: received European Commission approval; target to finalize terms by end of Q2 2024.
- In capital markets divestiture scenario, Illumina to provide GRAIL with ~$1B funding.

## SEC filing metadata
- accession: 0001110803-24-000019
- form_type: 8-K
- ticker: ILMN
- cik: 0001110803
- company_name: ILLUMINA, INC.
- filed_at: 2024-05-02T23:59:59+00:00
- event_type: earnings
- sentiment: neutral
- 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/1110803/000111080324000019/0001110803-24-000019-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1110803/000111080324000019/ilmn-20240502.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001110803-24-000019
- JSON: https://secwatch.observer/filing/0001110803-24-000019.json
- Plain text: https://secwatch.observer/filing/0001110803-24-000019.txt

## Key facts
- Earnings Releases
  ILLUMINA, INC. updated its first quarter ended March 31, 2024 guidance (reaffirmed).
  - Period: first quarter ended March 31, 2024
  - Guidance: reaffirmed
  - Result: reported results
  source text: On May 2, 2024, Illumina, Inc. (the "Company") issued a press release announcing financial results for the first quarter ended March 31, 2024.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1110803/000111080324000019/0001110803-24-000019-index.htm

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