---
schema_version: "secwatch.filing_event.v1"
accession: "0000937556-23-000185"
form_type: "8-K"
ticker: "MASI"
cik: "0000937556"
company_name: "MASIMO CORP"
filed_at: "2023-07-17T23:59:59+00:00"
generated_at: "2026-06-13T08:01:29.960430+00:00"
event_type: "earnings"
sentiment: "negative"
materiality_score: 0.8
calibrated_materiality_score: 0.8
confidence: "high"
source: SEC EDGAR
---

# Masimo pre-announces Q2 revenue $453-457M, cuts FY2023 healthcare guidance to $1.30B

## Summary
- Q2 consolidated revenue $453-457M: healthcare $280-282M, non-healthcare $173-175M.
- Healthcare miss due to delayed large orders, lower hospital census, elevated sensor inventory.
- Non-healthcare softness extended to premium audio; Stork monitor and hearables sales strong.
- Lowers FY2023 healthcare revenue floor to $1.30B (from $1.45B); non-healthcare to $800-850M.
- Unrecognized Contract Revenue $1.37-1.38B (+11-12% YoY); company taking cost actions.

## SEC filing metadata
- accession: 0000937556-23-000185
- form_type: 8-K
- ticker: MASI
- cik: 0000937556
- company_name: MASIMO CORP
- filed_at: 2023-07-17T23:59:59+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/937556/000093755623000185/0000937556-23-000185-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/937556/000093755623000185/masi-20230717.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000937556-23-000185
- JSON: https://secwatch.observer/filing/0000937556-23-000185.json
- Plain text: https://secwatch.observer/filing/0000937556-23-000185.txt

## Key facts
- Earnings Releases
  MASIMO CORP reported second quarter ended July 1, 2023 results: revenue consolidated revenue expected to range from $453 million to $457 million.
  - Period: second quarter ended July 1, 2023
  - Revenue: consolidated revenue expected to range from $453 million to $457 million
  - Result: preliminary results
  source text: Masimo expects its consolidated revenue for the second quarter 2023 to range from $453 million to $457 million, with healthcare revenue expected to range fro m $280 million to $282 million and non-healthcare revenue expected to range fro m $173 million to $175 million .
  evidence_url: https://www.sec.gov/Archives/edgar/data/937556/000093755623000185/0000937556-23-000185-index.htm
- Earnings Releases
  MASIMO CORP reported fiscal year 2023 results: revenue healthcare revenue guidance reduced to lower end of $1.30 billion; non-healthcare revenue guidance reduced to $800 milli. Guidance lowered.
  - Period: fiscal year 2023
  - Revenue: healthcare revenue guidance reduced to lower end of $1.30 billion; non-healthcare revenue guidance reduced to $800 milli
  - Guidance: lowered
  - Result: guidance update
  source text: We currently expect to reduce the lower end of full year revenue guidance for the healthcare business to $1.30 billion from $1.45 billion. We are still evaluating the upper end of revenue guidance for the healthcare business, but it could be materially higher than the lower end of the range, as we are still targeting our original guidance. We also expect to reduce annual revenue guidance for the non-healthcare business to $800 million to $850 million from $965 million to $995 million.
  evidence_url: https://www.sec.gov/Archives/edgar/data/937556/000093755623000185/0000937556-23-000185-index.htm

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