Quantum Corporation (QMCO) Q3 2025 earnings summary

Executive summary

• Fiscal Q3 2025 revenue was $72.6 million, up 1% year-over-year, with subscription ARR rising 29% to $21.3 million and positive adjusted EBITDA of $4.7 million, reflecting operational improvements and a shift to subscription sales.

• GAAP gross margin expanded to 43.8%, up 320 basis points year-over-year, driven by a higher value product mix and efficiency gains.

• GAAP net loss was $71.4 million, primarily due to a $61.6 million non-cash warrant liability revaluation.

• Adjusted EBITDA improved by $7.3 million year-over-year and $5 million sequentially, supported by cost reductions.

• Transformation efforts included a new standby equity purchase agreement to support debt reduction and operational efficiency.

Financial highlights

• Revenue: $72.6 million for Q3; nine-month revenue was $214.4 million, down 11% year-over-year due to lower hyperscale and tape demand.

• GAAP gross margin: 43.8% for the quarter; non-GAAP gross margin was 44.1%.

• Adjusted EBITDA: $4.7 million, up from negative $2.6 million a year ago.

• Non-GAAP operating expenses: $30.1 million, down 6% year-over-year.

• GAAP net loss: $71.4 million, including a $61.6 million non-cash charge for warrant liabilities.

Outlook and guidance

• Q4 2025 revenue guidance: $66 million plus or minus $2 million; full-year 2025 outlook is $280 million plus or minus $5 million.

• Q4 non-GAAP operating expenses expected to be flat at $30 million plus or minus $1 million.

• Q4 adjusted net loss per share expected at negative $1.16 plus or minus $0.05.

• Full-year adjusted EBITDA guidance: $3 million plus or minus $1 million.

• Management expects continued macro unpredictability, longer sales cycles, and ongoing supply chain and inflationary pressures.