Filing Flows › Quest Diagnostics (DGX) › Q3 2025
Quest Diagnostics (DGX) Q3 2025 earnings results (third quarter 2025)
10-Q filed Oct 21, 2025
Quest Diagnostics (DGX) reported revenue of $2.8B for the third quarter 2025 (Q3 2025), +13% from a year earlier and +2% from the quarter before. Operating margin was 13.7%, net earnings $245M (8.7% of revenue).
Quest Diagnostics, Q3 2025: revenue $2.8B (+13% year over year), operating margin 13.7%, net earnings $245M, operating cash flow $563M. The chart follows the revenue to costs, profit and cash.
| Q3 2025 | Amount | Q/Q | Y/Y |
|---|---|---|---|
| Revenue | $2.8B | +2% | +13% |
| Operating profit | $386M | -12% | +17% |
| Net earnings | $245M | -13% | +8% |
| Operating cash flow | $563M | +3% | +58% |
| Free cash flow | $419M | -4% | +68% |
What changed
Revenue was $2.8B in Q3 2025, up 13% year over year and up 2% from the previous quarter. DIS business was the largest line at 98% of revenue. DIS business added $0.33B year over year (up 14%), 100% of the total change.
Operating profit was $0.39B, a 13.7% margin (up 0.4 points year over year). Of the extra revenue versus a year earlier, 17% reached operating profit, above the 13% margin then. Total costs grew 13% against revenue growth of 13%. The fastest-growing cost line was Other operating costs (+88%). Net earnings were $0.24B, up 8% year over year. The effective tax rate was 22.9%.
Operating cash flow was $0.56B (up 58% year over year), 217% of net income including minority interests. Non-cash charges added back $0.14B of depreciation and amortization and $0.02B of share-based compensation. Working capital and other items added $0.14B. Capital expenditures of $0.14B left free cash flow of $0.42B.
Questions
What was Quest Diagnostics' revenue in the third quarter 2025?
Quest Diagnostics (DGX) reported revenue of $2.8B for the third quarter 2025 (Q3 2025), +13% from a year earlier and +2% from the quarter before.
Was Quest Diagnostics profitable in the third quarter 2025?
Operating profit was $386M (13.7% of revenue) and net earnings $245M.
Source: Quest Diagnostics 10-Q on SEC EDGAR.