Quanterix Corporation (QTRX) Cash Flow Statement

NASDAQ: QTRXOperating cash, capex, free cash flow and buybacks.

Where QTRX’s cash came from and went, 2025

December 31, 2025 · U.S. dollars
Cash from operations
−$77.2M
Capital expenditures
$2.6M
1.9% of revenue
Free cash flow
−$79.8M
−57.6% margin
Returned to shareholders
—
Change in cash
−$26.1M
cash at year-end $33.2M
Investments (net): $146.1MInvestments (net)$146.1MDrawn from cash: $26.1MDrawn from cash$26.1MCurrency & other: $1.6MCurrency & other$1.6MAcquisitions & other: $93.2MAcquisitions & other$93.2M · 54%Cash used in operations: $77.2MCash used in operations$77.2M · 44%Capital expenditures, Other financing: $3.3MOther uses$3.3M · 2%$173.8M
Cash from operations
−$77.2M
Capital expenditures
−$2.6M
Investments (net)
+$146.1M
Acquisitions & other
−$93.2M
Other financing
−$708,000
Currency & other
+$1.6M
Change in cash
−$26.1M

Drawn to scale: where the cash came from and how it was used. Hover for values.

QTRX operating cash flow, capex and free cash flow

Operating cash flowCapital expendituresFree cash flowFCF margin (right axis)

QTRX cash flow trends, 2016–2025

Quanterix Corporation cash flow trends
MetricTrendThenLatestChange
Operating cash flow−$17.7M2016−$77.2M2025—
Capital expenditures$526,0002016$2.6M2025+19.5%/yr
Free cash flow−$18.3M2016−$79.8M2025—
Free cash flow margin−103.9%2016−57.6%2025+46.3 pts
Stock-based compensation$928,0002016$20.7M2025+41.2%/yr
Share buybacks (net)$02016$198,0002023—
Capex / revenue3.0%20161.9%2025−1.1 pts

Change is the average annual growth (CAGR) or the difference between the first and latest year.

QTRX cash flow by activity

OperatingInvestingFinancingChange in cash

QTRX net income vs operating cash flow

Net incomeOperating cash flow

Operating cash flow above net income usually means earnings are backed by cash (depreciation and stock-based pay are non-cash expenses).

QTRX cash flow statement

Quanterix Corporation annual cash flow statement
2025202420232022202120202019201820172016
Operating activities
Net income−$107.2M−$38.5M−$32.3M−$96.7M−$57.7M−$31.5M−$40.8M−$31.5M−$27.0M−$23.2M
Depreciation & amortization$18.9M$8.4M$8.3M$6.1M$4.9M$4.3M$3.0M$1.4M$482,000$444,000
Stock-based compensation$20.7M$20.0M$16.8M$15.4M$16.0M$10.1M$6.4M$4.9M$2.2M$928,000
Change in working capital−$2.4M−$18.8M−$11.8M$2.1M−$12.2M−$7.5M$4.4M−$3.6M$1.9M$1.3M
Other non-cash items−$7.4M−$6.2M$181,000$24.8M$1.1M$1.2M$840,000$156,000$328,000$2.8M
Cash from operating activities−$77.2M−$35.2M−$18.9M−$48.3M−$47.9M−$23.4M−$26.2M−$28.7M−$22.1M−$17.7M
Investing activities
Capital expenditures−$2.6M−$3.4M−$3.8M−$11.7M−$13.6M−$3.9M−$10.8M−$1.5M−$1.1M−$526,000
Investments (net)$146.1M−$82.3M−$128.4M−$11.2M−$6.3M−$626,000−$25.4M−$150,000−$1.1M−$826,000
Acquisitions & other investing−$93.2M$3.4M−$16.2M$11.7M$13.6M$3.9M$10.8M−$3.8M$1.1M$526,000
Cash from investing activities$50.2M−$82.3M−$148.4M−$11.2M−$6.3M−$626,000−$25.4M−$5.5M−$1.1M−$826,000
Financing activities
Share repurchases & issuance (net)——−$198,000$2.3M$278.5M$96.3M$116.2M−$20,000$74.2M$45.7M
Net borrowing (repayment)——$0$0−$7.7M−$75,000−$50,000−$1.9M−$921,000$257,000
Shares issued$0$0$0$0$269.7M$91.4M$112.5M$0$0$0
Other financing−$708,000$456,000$2.9M$0−$269.7M−$91.4M−$112.5M$1.9M−$59,000$0
Cash from financing activities−$708,000$456,000$2.7M$2.3M$270.8M$96.2M$116.2M−$78,000$73.2M$45.9M
Summary
Net change in cash−$26.1M−$117.7M−$164.3M−$57.7M$216.5M$72.4M$64.8M−$34.3M$50.0M$27.3M
Cash at end of period$33.2M$59.3M$177.0M$341.3M$399.0M$182.6M$110.2M$45.4M$79.7M$29.7M
Free cash flow−$79.8M−$38.5M−$22.7M−$60.0M−$61.5M−$27.3M−$37.0M−$30.2M−$23.2M−$18.3M
Free cash flow margin−57.6%−28.5%−18.7%−56.9%−55.6%−31.6%−65.3%−80.4%−101.6%−103.9%
Capex / revenue1.9%2.5%3.1%11.1%12.3%4.5%19.1%4.0%4.9%3.0%

Negative numbers are cash paid out. Quarterly columns are labeled by the month the quarter ended. Figures in U.S. dollars as reported; data from EODHD.

QTRX cash generation

In fiscal 2025 (ended December 31, 2025), Quanterix generated -$77.2 million of cash from operations and spent $2.6 million on capital expenditures, leaving free cash flow of -$79.8 million, −57.6% of revenue. Cash and equivalents fell by $26.1 million over the year.

Related: QTRX income statement, QTRX balance sheet. See the QTRX stock overview for the latest quote and news.

QTRX cash flow FAQ

What is Quanterix's free cash flow?

Quanterix's free cash flow was -$79.8 million in fiscal 2025: -$77.2 million of operating cash flow minus $2.6 million of capital expenditures It was -$38.5 million a year earlier..

How much cash does Quanterix generate from operations?

Quanterix generated -$77.2 million of cash from operating activities in fiscal 2025.

How much does Quanterix spend on capital expenditures?

Quanterix spent $2.6 million on capital expenditures in fiscal 2025, 1.9% of revenue, compared with $3.4 million the year before.

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