Quick Answer
QUANTUM CORP /DE/ reported Stockholders Equity of -$164.37 million for fiscal year 2025.
QUANTUM CORP /DE/ Stockholders Equity — Annual History
| Fiscal Year | Stockholders Equity | YoY Change |
|---|---|---|
| 2025 | -$164.37M | +16.4% |
| 2024 | -$196.62M | -30.1% |
| 2024 | -$151.10M | -24.4% |
| 2024 | -$121.50M | -19.2% |
| 2023 | -$101.93M | -7.9% |
| 2023 | -$94.43M | -3.4% |
| 2023 | -$91.32M | -8.2% |
| 2023 | -$84.37M | -8.2% |
| 2022 | -$77.96M | +5.5% |
| 2022 | -$82.53M | -7.9% |
| 2022 | -$76.50M | +46.8% |
| 2022 | -$143.74M | +28.1% |
| 2021 | -$199.94M | -0.7% |
| 2020 | -$198.53M | +0.6% |
| 2019 | -$199.78M | -1.8% |
| 2018 | -$196.24M | +2.7% |
| 2018 | -$201.65M | -11.2% |
| 2018 | -$181.41M | -4.6% |
| 2018 | -$173.47M | -13.6% |
| 2017 | -$152.70M | -5.0% |
| 2017 | -$145.48M | -2.8% |
| 2017 | -$141.56M | -1.6% |
| 2017 | -$139.30M | +2.7% |
| 2016 | -$143.10M | -148.1% |
| 2015 | -$57.67M | +32.1% |
| 2014 | -$84.96M | -3.1% |
| 2013 | -$82.36M | -72.7% |
| 2012 | -$47.70M | +21.9% |
| 2011 | -$61.11M | +33.0% |
| 2010 | -$91.26M | — |
Quarterly Stockholders Equity
| Quarter Ending | Stockholders Equity | YoY | QoQ |
|---|---|---|---|
| December 31, 2025 | -$184.23M | +6.3% | -14.8% |
| September 30, 2025 | -$160.50M | -6.2% | -40.3% |
| June 30, 2025 | -$114.39M | +18.5% | +30.4% |
| March 31, 2025 | -$164.37M | -35.3% | +16.4% |
| December 31, 2024 | -$196.62M | -92.9% | -30.1% |
| September 30, 2024 | -$151.10M | -60.0% | -7.7% |
| June 30, 2024 | -$140.33M | -53.7% | -15.5% |
| March 31, 2024 | -$121.50M | -44.0% | -19.2% |
- QUANTUM CORP /DE/ showed an increase of +16.4% in Stockholders Equity compared to the prior fiscal year.
- Over the 2010–2025 period, QUANTUM CORP /DE/’s stockholders equity has declined by 80.1% (from -$91.26 million to -$164.37 million).
- The most recent figure is from QUANTUM CORP /DE/’s fiscal year 2025 report (Form 10-K), filed with the SEC on August 26, 2025.
- All figures are sourced from SEC EDGAR XBRL filings, last verified June 17, 2026.
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