---
schema_version: "secwatch.filing_event.v1"
accession: "0001110803-25-000044"
form_type: "8-K"
ticker: "ILMN"
cik: "0001110803"
company_name: "ILLUMINA, INC."
filed_at: "2025-05-08T23:59:59+00:00"
generated_at: "2026-05-22T03:07:14.967266+00:00"
event_type: "earnings"
sentiment: "negative"
materiality_score: 0.8
calibrated_materiality_score: 0.8
confidence: "high"
source: SEC EDGAR
---

# Illumina Q1 core rev $1.04B (-1% YoY) but cuts FY2025 guidance on tariffs & China

## Summary
- GAAP diluted EPS $0.82; non-GAAP $0.97; GAAP op margin 15.8%, non-GAAP 20.4%.
- FY2025 core revenue now seen declining 1-3% constant currency (prior low single-digit growth).
- Non-GAAP EPS guidance cut to $4.20-$4.30 from ~$4.50; tariff costs estimated at $85M (125bps, $0.25 EPS).
- Greater China 2025 revenue expected $165-$185M (Q1 recognition $72M); $100M cost reduction program initiated.
- Q1 free cash flow $208M; $200M in share repurchases during quarter.

## SEC filing metadata
- accession: 0001110803-25-000044
- form_type: 8-K
- ticker: ILMN
- cik: 0001110803
- company_name: ILLUMINA, INC.
- filed_at: 2025-05-08T23:59:59+00:00
- event_type: earnings
- sentiment: negative
- materiality_score: 0.8
- calibrated_materiality_score: 0.8
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1110803/000111080325000044/0001110803-25-000044-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1110803/000111080325000044/ilmn-20250508.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001110803-25-000044
- JSON: https://secwatch.observer/filing/0001110803-25-000044.json
- Plain text: https://secwatch.observer/filing/0001110803-25-000044.txt

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