Filing Flows › Quanterix (QTRX) › Q3 2025
Quanterix (QTRX) Q3 2025 earnings results (third quarter 2025)
10-Q filed Nov 10, 2025
Quanterix (QTRX) reported revenue of $40.2M for the third quarter 2025 (Q3 2025), +12% from a year earlier and +64% from the quarter before. Operating margin was -92.8%, net loss $33.5M (83.3% of revenue).
Quanterix, Q3 2025: revenue $40.2M (+12% year over year), operating margin -92.8%, net loss $33.5M, operating cash flow −$41.2M. The chart follows the revenue to costs, profit and cash.
| Q3 2025 | Amount | Q/Q | Y/Y |
|---|---|---|---|
| Revenue | $40.2M | +64% | +12% |
| Operating profit | −$37.3M | — | — |
| Net earnings | −$33.5M | — | — |
| Operating cash flow | −$41.2M | — | — |
What changed
Revenue was $40.2M in Q3 2025, up 12% year over year and up 64% from the previous quarter. Consumable and other products was the largest line at 47% of revenue. Instruments added $4.8M year over year (up 202%), 109% of the total change. Collaboration and license revenue declined 98%.
Gross margin was 42.8%, down 13.5 points from a year earlier. Operating costs exceeded revenue by $37.3M, an operating margin of -92.8%. Operating expenses grew 71% against revenue growth of 12%. The fastest-growing cost line was Other operating costs (+739%). The quarter ended with a net loss of $33.5M, wider than the previous quarter's $30.0M loss.
Operating cash flow was −$41.2M. Non-cash charges added back $5.4M of depreciation and amortization and $5.5M of share-based compensation. Working capital and other items used $18.6M. Capital expenditures of $677K exceeded it, leaving free cash flow of −$41.9M.
Questions
What was Quanterix's revenue in the third quarter 2025?
Quanterix (QTRX) reported revenue of $40.2M for the third quarter 2025 (Q3 2025), +12% from a year earlier and +64% from the quarter before.
Was Quanterix profitable in the third quarter 2025?
Operating loss was $37.3M (-92.8% of revenue) and net loss $33.5M.
Source: Quanterix 10-Q on SEC EDGAR.