---
schema_version: "secwatch.filing_event.v1"
accession: "0000950170-25-066927"
form_type: "8-K"
ticker: "ONTO"
cik: "0000704532"
company_name: "ONTO INNOVATION INC."
filed_at: "2025-05-08T23:59:59+00:00"
generated_at: "2026-05-22T06:00:10.555115+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# Onto Innovation posts record Q1 revenue of $267M; GAAP EPS $1.30, non-GAAP EPS $1.51

## Summary
- Revenue $267M, seventh consecutive quarterly record; up 17% YoY vs. $229M.
- GAAP gross margin 54%; non-GAAP gross margin 55%; record cash from ops $92M (35% of revenue).
- Advanced nodes revenue doubled QoQ; Iris film metrology revenue up >25% QoQ.
- Q2 guidance: revenue $240-260M, GAAP EPS $0.99-1.13, non-GAAP EPS $1.21-1.35.
- Shipped multiple 3D bump metrology systems; expanding customer list and applications.

## SEC filing metadata
- accession: 0000950170-25-066927
- form_type: 8-K
- ticker: ONTO
- cik: 0000704532
- company_name: ONTO INNOVATION INC.
- filed_at: 2025-05-08T23:59:59+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/704532/000095017025066927/0000950170-25-066927-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/704532/000095017025066927/onto-20250508.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000950170-25-066927
- JSON: https://secwatch.observer/filing/0000950170-25-066927.json
- Plain text: https://secwatch.observer/filing/0000950170-25-066927.txt

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