---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-26-158081"
form_type: "8-K"
ticker: "ONTO"
cik: "0000704532"
company_name: "ONTO INNOVATION INC."
filed_at: "2026-04-16T23:59:59+00:00"
generated_at: "2026-05-15T05:57:39.824219+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.85
calibrated_materiality_score: 0.85
confidence: "high"
source: SEC EDGAR
---

# Onto Innovation prelim Q1 rev $292M above guidance; Dragonfly G5 qualified for 2.5D AI packaging

## Summary
- Preliminary Q1 FY2026 revenue of $292M, above prior guidance of $275-285M.
- Q2 FY2026 guidance set at $320-330M, representing an 8% increase over prior outlook.
- Dragonfly G5 system qualified for 2.5D AI packaging applications; initial shipments expected in June.
- Dragonfly platform revenue expected to grow over 50% in 2026 compared to 2025.
- Full Q1 financial results to be released after market close on May 5, 2026.

## SEC filing metadata
- accession: 0001193125-26-158081
- form_type: 8-K
- ticker: ONTO
- cik: 0000704532
- company_name: ONTO INNOVATION INC.
- filed_at: 2026-04-16T23:59:59+00:00
- event_type: earnings
- sentiment: positive
- materiality_score: 0.85
- calibrated_materiality_score: 0.85
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/704532/000119312526158081/0001193125-26-158081-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/704532/000119312526158081/onto-20260416.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-26-158081
- JSON: https://secwatch.observer/filing/0001193125-26-158081.json
- Plain text: https://secwatch.observer/filing/0001193125-26-158081.txt

## Key facts
- Earnings Releases
  ONTO INNOVATION INC. reported fiscal first quarter ended March 31, 2026 results: revenue $292 million. Guidance raised.
  - Period: fiscal first quarter ended March 31, 2026
  - Revenue: $292 million
  - Guidance: raised
  - Result: preliminary results
  source text: The Company’s preliminary estimate of its first quarter 2026 revenue is $292 million, above the previously communicated outlook of $275 to $285 million. Further, the Company is establishing second quarter 2026 guidance of $320 to $330 million, representing an 8% increase over previously shared outlook.
  evidence_url: https://www.sec.gov/Archives/edgar/data/704532/000119312526158081/0001193125-26-158081-index.htm

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