---
schema_version: "secwatch.filing_event.v1"
accession: "0001503274-26-000019"
form_type: "8-K"
ticker: "QTRX"
cik: "0001503274"
company_name: "Quanterix Corp"
filed_at: "2026-05-06T23:59:59+00:00"
generated_at: "2026-05-14T22:36:59.808661+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# Quanterix Q1 revenue $36.4M (+20% YoY); reaffirms FY2026 guidance of $169-174M

## Summary
- Revenue of $36.4M, up 20% YoY; GAAP gross margin 42.7%, adjusted 50.9%.
- Adjusted EBITDA loss $9.8M, improved from $11.3M loss a year ago.
- Cash and marketable securities $102.6M; targeting cash flow breakeven in H2 2026.
- Alzheimer's diagnostics business growing; 510(k) filing with FDA expected in H2 2026.
- Collaborations with Tempus AI and Life Line Screening for blood-based biomarker tests.

## SEC filing metadata
- accession: 0001503274-26-000019
- form_type: 8-K
- ticker: QTRX
- cik: 0001503274
- company_name: Quanterix Corp
- filed_at: 2026-05-06T23:59:59+00:00
- event_type: earnings
- sentiment: positive
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 2.02, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1503274/000150327426000019/0001503274-26-000019-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1503274/000150327426000019/qtrx-20260506.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001503274-26-000019
- JSON: https://secwatch.observer/filing/0001503274-26-000019.json
- Plain text: https://secwatch.observer/filing/0001503274-26-000019.txt

## Source-grounded claims
- claim_id: b49793f70509c1cabff12ec8cfede7be0eea3351
  claim: Quanterix Corp reported the first quarter ended March 31, 2026 results: revenue $36.4 million. Guidance reaffirmed.
  evidence_excerpt: except as expressly set forth by specific reference in such a filing. --- EX-99.1 (EX-99.1) --- Quanterix Releases Financial Results for the First Quarter of 2026 Reports $36.4 million in revenue and approximately $103 million of cash and marketable securities Company prioritizing product roadmap and investing in initiatives to drive commercial effectiveness
  evidence_url: https://www.sec.gov/Archives/edgar/data/1503274/000150327426000019/0001503274-26-000019-index.htm

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