Nyxoah S.A. (NYXH) Cash Flow Statement

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

Where NYXH’s cash came from and went, 2025

December 31, 2025 · euros
Cash from operations
−€67.5M
Capital expenditures
€804,698
8.0% of revenue
Free cash flow
−€68.3M
−681.6% margin
Returned to shareholders
—
Change in cash
−€130,691
cash at year-end €30.0M
Investments (net): €29.9MInvestments (net)€29.9MBorrowing: €21.2MBorrowing€21.2MShares issued: €20.9MShares issued€20.9MCurrency & other: €2.4MCurrency & other€2.4MDrawn from cash: €130,691Drawn from cash€130,691Cash used in operations: €67.5MCash used in operations€67.5M · 91%Other financing: €3.3MOther financing€3.3M · 4%Acquisitions & other: €3.0MAcquisitions & other€3.0M · 4%Capital expenditures: €804,698Capital expenditures€804,698 · 1%€74.5M
Cash from operations
−€67.5M
Capital expenditures
−€804,698
Investments (net)
+€29.9M
Acquisitions & other
−€3.0M
Net borrowing (repayment)
+€21.2M
Shares issued
+€20.9M
Other financing
−€3.3M
Currency & other
+€2.4M
Change in cash
−€130,691

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

NYXH operating cash flow, capex and free cash flow

Operating cash flowCapital expendituresFree cash flowFCF margin (right axis)

NYXH cash flow trends, 2017–2025

Nyxoah S.A. cash flow trends
MetricTrendThenLatestChange
Operating cash flow−€8.3M2017−€67.5M2025—
Capital expenditures€91,0002017€804,6982025+31.3%/yr
Free cash flow−€8.4M2017−€68.3M2025—
Free cash flow margin−25,426.1%2020−681.6%2025+24,744.4 pts
Stock-based compensation€24,0002017€4.9M2025+94.4%/yr
Dividends paid€02020€02025—
Capex / revenue15,478.3%20208.0%2025−15,470.2 pts

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

NYXH cash flow by activity

OperatingInvestingFinancingChange in cash

NYXH 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).

NYXH cash flow statement in euros

Nyxoah S.A. annual cash flow statement
202520242023202220212020201920182017
Operating activities
Net income−€90.1M−€56.4M−€44.7M−€30.1M−€24.6M−€12.2M−€8.4M−€9.0M−€10.3M
Depreciation & amortization€4.5M€2.7M€2.4M€1.9M€1.7M€620,000€433,000€95,000€87,000
Stock-based compensation€4.9M€4.0M€2.6M€2.7M€1.3M€2.5M€346,000€28,000€24,000
Change in working capital€5.4M€3.0M−€3.5M€86,000−€1.1M€1.4M€957,000€201,000−€454,000
Other non-cash items€7.8M−€2.4M−€1.6M−€3.4M−€2.5M€700,000€716,000€575,000€2.4M
Cash from operating activities−€67.5M−€49.2M−€44.8M−€28.8M−€25.3M−€6.9M−€5.9M−€8.1M−€8.3M
Investing activities
Capital expenditures−€804,698−€6.1M−€11.0M−€16.3M−€11.8M−€10.7M−€5.8M−€77,000−€91,000
Investments (net)€29.9M−€16.3M−€47.1M−€89.9M−€11.8M−€10.7M−€5.8M−€75,000−€91,000
Acquisitions & other investing−€3.0M€6.1M€90.0M€16.3M€11.8M€10.7M€5.8M€77,000€91,000
Cash from investing activities€26.2M−€16.3M€32.0M−€89.9M−€11.8M−€10.7M−€5.8M−€75,000−€91,000
Financing activities
Dividends paid€0€0€0€0€0€0———
Net borrowing (repayment)€21.2M€8.5M−€1.2M−€1.1M−€863,000€593,000€733,000€733,000€1.1M
Shares issued€20.9M€69.7M€18.3M€255,000€77.7M€103.6M€25.0M€15.0M€0
Other financing−€3.3M−€758,000−€247,000−€167,000−€393,000−€151,000−€25.0M−€733,000€0
Cash from financing activities€38.8M€77.4M€16.9M−€983,000€76.5M€104.0M€700,000€15.0M€1.1M
Summary
Net change in cash−€130,691€12.6M€3.7M−€117.6M€43.2M€86.4M−€10.9M€6.7M−€7.3M
Cash at end of period€30.0M€34.2M€21.6M€17.9M€135.5M€92.3M€5.9M€16.8M€10.1M
Free cash flow−€68.3M−€55.3M−€55.7M−€45.1M−€37.2M−€17.5M−€11.7M−€8.2M−€8.4M
Free cash flow margin−681.6%−1,223.1%−1,282.0%−1,462.5%−4,360.7%−25,426.1%———
Capex / revenue8.0%134.3%252.1%530.1%1,387.0%15,478.3%———

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

NYXH cash generation

In fiscal 2025 (ended December 31, 2025), Nyxoah generated -€67.5 million of cash from operations and spent €0.8 million on capital expenditures, leaving free cash flow of -€68.3 million, −681.6% of revenue. Cash and equivalents fell by €0.1 million over the year.

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

NYXH cash flow FAQ

What is Nyxoah's free cash flow?

Nyxoah's free cash flow was -€68.3 million in fiscal 2025: -€67.5 million of operating cash flow minus €0.8 million of capital expenditures It was -€55.3 million a year earlier..

How much cash does Nyxoah generate from operations?

Nyxoah generated -€67.5 million of cash from operating activities in fiscal 2025.

How much does Nyxoah spend on capital expenditures?

Nyxoah spent €0.8 million on capital expenditures in fiscal 2025, 8.0% of revenue, compared with €6.1 million the year before.

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