---
schema_version: "secwatch.filing_event.v1"
accession: "0001628280-23-013041"
form_type: "8-K"
ticker: "TMO"
cik: "0000097745"
company_name: "THERMO FISHER SCIENTIFIC INC."
filed_at: "2023-04-26T23:59:59+00:00"
generated_at: "2026-06-16T15:12:59.621428+00:00"
event_type: "earnings"
sentiment: "negative"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# Thermo Fisher Q1 revenue $10.71B (-9% YoY); GAAP EPS $3.32, adjusted EPS $5.03

## Summary
- Revenue $10.71B, down 9% YoY; core organic growth 6%; COVID testing revenue $0.14B.
- GAAP EPS $3.32 vs $5.61 YoY; adjusted EPS $5.03 vs $7.25 YoY.
- GAAP operating margin 14.6% vs 23.9%; adjusted operating margin 21.8% vs 29.2%.
- Repurchased $3.0B stock, increased dividend 17%, completed acquisition of The Binding Site.
- Guidance update to be provided on earnings call.

## SEC filing metadata
- accession: 0001628280-23-013041
- form_type: 8-K
- ticker: TMO
- cik: 0000097745
- company_name: THERMO FISHER SCIENTIFIC INC.
- filed_at: 2023-04-26T23:59:59+00:00
- event_type: earnings
- sentiment: negative
- 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/97745/000162828023013041/0001628280-23-013041-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/97745/000162828023013041/tmo-20230426.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001628280-23-013041
- JSON: https://secwatch.observer/filing/0001628280-23-013041.json
- Plain text: https://secwatch.observer/filing/0001628280-23-013041.txt

## Key facts
- Earnings Releases
  THERMO FISHER SCIENTIFIC INC. reported first quarter ended April 1, 2023 results: revenue $10.71 billion, EPS $5.03.
  - Period: first quarter ended April 1, 2023
  - Revenue: $10.71 billion
  - EPS: $5.03
  - Result: reported results
  source text: results for the first quarter ended April 1, 2023. First Quarter 2023 Highlights • Delivered very strong financial results during the first quarter. • First quarter revenue was $10.71 billion, 9% lower versus the same quarter last year. Core organic revenue growth was 6%. • First quarter GAAP diluted earnings per share (EPS) was $3.32. • First quarter adjusted EPS was
  evidence_url: https://www.sec.gov/Archives/edgar/data/97745/000162828023013041/0001628280-23-013041-index.htm

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