Filing Flows › Quest Diagnostics (DGX) › Q3 2026 › vs Q3 2025
Quest Diagnostics (DGX) Q3 2026 vs Q3 2025 (year over year)
Quest Diagnostics's revenue rose $281M (+10%) from $2.8B in Q3 2025 to $3.1B in Q3 2026. The biggest changes: DIS business +$280M (+10%); All other operating segments +$1.0M (+2%). Operating margin 15.5% against 13.7% (+1.8 pts).
Quest Diagnostics, Q3 2026: revenue $3.1B (+10% year over year), operating margin 15.5%, net earnings $312M, operating cash flow $611M. The chart draws each line against Q3 2025, the increases inside each band.
Margins
| Q3 2026 | Q3 2025 | Change | |
|---|---|---|---|
| Operating margin | 15.5% | 13.7% | +1.8 pts |
| Net margin | 10.1% | 8.7% | +1.4 pts |
| Free cash flow margin | 14.4% | 14.9% | -0.5 pts |
Every line
| Line | Q3 2026 | Q3 2025 | Change | % |
|---|---|---|---|---|
| DIS business | $3.0B | $2.8B | $280M | +10% |
| All other operating segments | $62.0M | $61.0M | $1.0M | +2% |
| Revenue | $3.1B | $2.8B | $281M | +10% |
| Operating profit | $479M | $386M | $93.0M | +24% |
| Costs & expenses | $2.6B | $2.4B | $188M | +8% |
| Pre-tax earnings | $425M | $336M | $89.0M | +26% |
| Other expense, net | $54.0M | $50.0M | $4.0M | +8% |
| Cost of revenue | $2.1B | $1.9B | $188M | +10% |
| SG&A | $523M | $501M | $22.0M | +4% |
| Other operating costs | $40.0M | $62.0M | −$22.0M | -35% |
| Net earnings | $312M | $245M | $67.0M | +27% |
| Minority interests | $14.0M | $14.0M | $0 | 0% |
| Income tax | $99.0M | $77.0M | $22.0M | +29% |
| Depreciation & amortization | $147M | $142M | $5.0M | +4% |
| Share-based compensation | $20.0M | $20.0M | $0 | 0% |
| Working capital & other | $132M | $156M | −$24.0M | -15% |
| Operating cash flow | $611M | $563M | $48.0M | +9% |
| Free cash flow (OCF − capex) | $445M | $419M | $26.0M | +6% |
| Capital expenditures | $166M | $144M | $22.0M | +15% |
Questions
How much did Quest Diagnostics's revenue grow year over year in Q3 2026?
Quest Diagnostics's revenue rose $281M (+10%) from $2.8B in Q3 2025 to $3.1B in Q3 2026.
What drove Quest Diagnostics's revenue change in Q3 2026?
DIS business +$280M (+10%); All other operating segments +$1.0M (+2%).