Quest Diagnosticsvs.Hologic
DGX vs HOLX · both in Diagnostics, part of the Medicine, pharma & life science value chain: Tests, imaging and assays that support clinical decision-making.
Quest Diagnostics is about 1.5× larger than Hologic by market cap; Quest Diagnostics trades at the lower P/E (23.9 vs 31.2); year to date, Quest Diagnostics leads (+33.0% vs +2.0%).
Supply-chain link: Hologic supplies Quest Diagnostics.
Side by side
| DGX | HOLX | |
|---|---|---|
| Market cap | $25.4B | $17B |
| Price | $230.97 | — |
| Today | +0.1% | — |
| Return YTD | +33.0% | +2.0% |
| Return 1Y | +27.6% | −3.5% |
| P/E | 23.9 | 31.2 |
| P/S | 2.2 | 4.1 |
| P/B | 3.4 | 3.2 |
Data as of 2026-10-09 · updates daily after U.S. close
The two companies
Quest DiagnosticsDGX
A nationwide lab network that does routine testing at volume, with more advanced diagnostics and health data work on top.
Full DGX profile →HologicHOLX
Women's health defines the range here, from molecular diagnostic tests to mammography systems and surgical products.
Full HOLX profile →More DGX & HOLX comparisons
Other head-to-heads in the Diagnostics segment.
See where DGX and HOLX sit in the full Medicine, pharma & life science map: every segment from suppliers to end markets.Open the Life science value chain →