---
schema_version: "secwatch.filing_event.v1"
accession: "0000950170-23-017837"
form_type: "8-K"
ticker: "ONTO"
cik: "0000704532"
company_name: "ONTO INNOVATION INC."
filed_at: "2023-05-04T23:59:59+00:00"
generated_at: "2026-06-15T23:29:09.620830+00:00"
event_type: "earnings"
sentiment: "neutral"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "high"
source: SEC EDGAR
---

# Onto Innovation Q1 revenue $199M, GAAP EPS $0.59; guides Q2 rev ~$203M

## Summary
- Revenue $199M, down from $241.4M YoY; GAAP net income $29.1M vs $53.3M.
- Non-GAAP diluted EPS $0.92, down from $1.31 YoY; cash from ops $50M (25% of revenue).
- Top-3 semiconductor maker signed $90M volume purchase agreement for 2023 deliveries.
- Q2 guidance: revenue $203M ±4%, non-GAAP diluted EPS $0.75-$0.90.
- 18 power customers placed first-time orders; advanced logic revenue tied to 5nm-2nm nodes.

## SEC filing metadata
- accession: 0000950170-23-017837
- form_type: 8-K
- ticker: ONTO
- cik: 0000704532
- company_name: ONTO INNOVATION INC.
- filed_at: 2023-05-04T23:59:59+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/704532/000095017023017837/0000950170-23-017837-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/704532/000095017023017837/onto-20230504.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000950170-23-017837
- JSON: https://secwatch.observer/filing/0000950170-23-017837.json
- Plain text: https://secwatch.observer/filing/0000950170-23-017837.txt

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