---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-23-055521"
form_type: "8-K"
ticker: "ACLS"
cik: "0001113232"
company_name: "AXCELIS TECHNOLOGIES INC"
filed_at: "2023-05-03T23:59:59+00:00"
generated_at: "2026-06-16T00:12:48.187916+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.8
calibrated_materiality_score: 0.8
confidence: "high"
source: SEC EDGAR
---

# Axcelis Q1 revenue $254M, record backlog $1.27B; FY23 revenue guided >$1.03B

## Summary
- Q1 revenue $254.0M (down 4.5% QoQ); net income $47.7M ($1.43 diluted EPS) vs Q4 $57.0M ($1.71).
- Record systems backlog of $1.27B on quarterly bookings of $298M; driven by Purion demand.
- Q2 guidance: revenue $255-260M, gross margin ~42%, EPS $1.44-$1.48.
- Full-year 2023 revenue expected >$1.03B (+12% YoY); full-year gross margin ~44% anticipated in H2.
- CEO cites strength in silicon carbide power devices and mature process technology markets.

## SEC filing metadata
- accession: 0001104659-23-055521
- form_type: 8-K
- ticker: ACLS
- cik: 0001113232
- company_name: AXCELIS TECHNOLOGIES INC
- filed_at: 2023-05-03T23:59:59+00:00
- event_type: earnings
- sentiment: positive
- 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/1113232/000110465923055521/0001104659-23-055521-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1113232/000110465923055521/tm2314429d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-23-055521
- JSON: https://secwatch.observer/filing/0001104659-23-055521.json
- Plain text: https://secwatch.observer/filing/0001104659-23-055521.txt

## Key facts
- Earnings Releases
  AXCELIS TECHNOLOGIES INC reported first quarter of 2023 results: net income $47.7 million, EPS $1.43 per diluted share. Guidance reaffirmed.
  - Period: first quarter of 2023
  - Net income: $47.7 million
  - EPS: $1.43 per diluted share
  - Guidance: reaffirmed
  - Result: reported results
  source text: The Company reported first quarter revenue of $254.0 million, compared to $266.1 million for the fourth quarter of 2022.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1113232/000110465923055521/0001104659-23-055521-index.htm
- Earnings Releases
  AXCELIS TECHNOLOGIES INC reported first quarter of 2023 results: net income $47.7 million, EPS $1.43 per diluted share. Guidance reaffirmed.
  - Period: first quarter of 2023
  - Net income: $47.7 million
  - EPS: $1.43 per diluted share
  - Guidance: reaffirmed
  - Result: reported results
  source text: Net income for the quarter was $47.7 million, or $1.43 per diluted share, compared to $57.0 million, or $1.71 per diluted share in the fourth quarter.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1113232/000110465923055521/0001104659-23-055521-index.htm
- Earnings Releases
  AXCELIS TECHNOLOGIES INC reported second quarter ending June 30, 2023 results: revenue $255-260 million, EPS $1.44-1.48. Guidance raised.
  - Period: second quarter ending June 30, 2023
  - Revenue: $255-260 million
  - EPS: $1.44-1.48
  - Guidance: raised
  - Result: guidance update
  source text: For the second quarter ending June 30, 2023, Axcelis expects revenues between $255-260 million.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1113232/000110465923055521/0001104659-23-055521-index.htm
- Earnings Releases
  AXCELIS TECHNOLOGIES INC reported full year 2023 results: revenue greater than $1.03 billion. Guidance raised.
  - Period: full year 2023
  - Revenue: greater than $1.03 billion
  - Guidance: raised
  - Result: guidance update
  source text: The Company expects to achieve revenue greater than $1.03 billion.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1113232/000110465923055521/0001104659-23-055521-index.htm

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