QUANTUM CORP /DE/ (QMCO) Shareholder Equity
- 2026-06-30: Preferred Stock, Value, IssuedUSD $0.00; Common Stock, Value, IssuedUSD $393.00K; Additional Paid in Capital, Common StockUSD $1.17B; Accumulated Other Comprehensive Income (Loss), Net of TaxUSD $-1.09M.
- 2026-03-31: Preferred Stock, Value, IssuedUSD $0.00; Common Stock, Value, IssuedUSD $146.00K; Additional Paid in Capital, Common StockUSD $853.97M; Accumulated Other Comprehensive Income (Loss), Net of TaxUSD $-9.46M.
- 2025-12-31: Preferred Stock, Value, IssuedUSD $0.00; Common Stock, Value, IssuedUSD $141.00K; Additional Paid in Capital, Common StockUSD $850.51M; Accumulated Other Comprehensive Income (Loss), Net of TaxUSD $-906.00K.
- 2025-09-30: Preferred Stock, Value, IssuedUSD $0.00; Common Stock, Value, IssuedUSD $133.00K; Additional Paid in Capital, Common StockUSD $846.45M; Accumulated Other Comprehensive Income (Loss), Net of TaxUSD $-950.00K.
QUANTUM CORP /DE/ Shareholder Equity
Filed components and totals, with each concept and unit kept separate. Components can overlap; they are not added together. Missing disclosures remain (m). Original concept pages retain their detailed breakdowns and history.
| Period end | Preferred Stock, Value, Issued USD | Common Stock, Value, Issued USD | Additional Paid in Capital, Common Stock USD | Accumulated Other Comprehensive Income (Loss), Net of Tax USD | Retained Earnings (Accumulated Deficit) USD | Stockholders' Equity Attributable to Parent USD | APIC, Share-based Payment Arrangement, Increase for Cost Recognition USD | Additional Paid in Capital USD | Adjustments to Additional Paid in Capital, Warrant Issued USD |
|---|---|---|---|---|---|---|---|---|---|
| 2026-06-30 | $0.00 | $393.00K | $1.17B | $-1.09M | $-1.20B | $-27.82M | 3 month · $748.00K | (m) | (m) |
| 2026-03-31 | $0.00 | $146.00K | $853.97M | $-9.46M | $-1.04B | $-198.86M | 12 month · $-849.00K | (m) | (m) |
| 2025-12-31 | $0.00 | $141.00K | $850.51M | $-906.00K | $-1.03B | $-184.23M | 3 month · $-969.00K 9 month · $-1.17M | (m) | (m) |
| 2025-09-30 | $0.00 | $133.00K | $846.45M | $-950.00K | $-1.01B | $-160.50M | 3 month · $324.00K 6 month · $-205.00K | (m) | (m) |
| 2025-06-30 | $0.00 | $133.00K | $846.05M | $-888.00K | $-959.68M | $-114.39M | 3 month · $-529.00K | (m) | (m) |
| 2025-03-31 | $0.00 | $70.00K | $779.64M | $-1.61M | $-942.47M | $-164.37M | 12 month · $2.83M | (m) | (m) |
| 2024-12-31 | $0.00 | $53.00K | $740.52M | $-2.47M | $-934.73M | $-196.62M | 3 month · $736.00K 9 month · $2.38M | (m) | (m) |
| 2024-09-30 | $0.00 | $49.00K | $709.67M | $-1.39M | $-859.43M | $-151.10M | 3 month · $716.00K 6 month · $1.64M | (m) | (m) |
| 2024-06-30 | $0.00 | $959.00K | $708.04M | $-2.05M | $-847.28M | $-140.33M | 3 month · $925.00K | (m) | (m) |
| 2024-03-31 | $0.00 | $48.00K | $708.03M | $-2.19M | $-827.38M | $-121.50M | 12 month · $4.72M | (m) | (m) |
| 2023-12-31 | $0.00 | $959.00K | $706.13M | $-587.00K | $-808.44M | $-101.93M | 3 month · $906.00K 9 month · $3.74M | (m) | 9 month · $49.00K |
| 2023-09-30 | $0.00 | $956.00K | $705.23M | $-2.05M | $-798.57M | $-94.43M | 3 month · $939.00K 6 month · $2.83M | (m) | 6 month · $49.00K |
| 2023-06-30 | $0.00 | $938.00K | $704.31M | $-1.33M | $-795.24M | $-91.32M | 3 month · $1.90M | (m) | 3 month · $1.23M |
| 2023-03-31 | $0.00 | $936.00K | $702.37M | $-1.58M | $-786.09M | $-84.37M | 12 month · $10.75M | (m) | (m) |
| 2022-12-31 | $0.00 | $932.00K | $699.54M | $-2.52M | $-775.91M | $-77.96M | 3 month · $2.98M 9 month · $8.34M | (m) | (m) |
| 2022-09-30 | $0.00 | $922.00K | $696.57M | $-4.00M | $-776.03M | $-82.53M | 3 month · $2.29M 6 month · $5.36M | (m) | (m) |
| 2022-06-30 | $0.00 | $907.00K | $693.89M | $-2.70M | $-768.60M | $-76.50M | 3 month · $3.07M | (m) | (m) |
| 2022-03-31 | $0.00 | $605.00K | $624.80M | $-1.42M | $-767.73M | $-143.74M | 12 month · $13.83M | (m) | (m) |
| 2021-12-31 | $0.00 | $599.00K | $640.84M | $-1.13M | $-763.09M | $-122.78M | 3 month · $4.31M 9 month · $10.58M | (m) | (m) |
| 2021-09-30 | $0.00 | $593.00K | $636.54M | $-1.09M | $-752.03M | $-115.99M | 3 month · $3.07M 6 month · $6.27M | (m) | (m) |
| 2021-06-30 | $0.00 | $573.00K | $629.86M | $-589.00K | $-742.78M | $-112.93M | 3 month · $3.20M | (m) | (m) |
| 2021-03-31 | $0.00 | $570.00K | $626.66M | $-856.00K | $-738.62M | $-199.94M | 12 month · $9.62M | (m) | (m) |
| 2020-12-31 | $0.00 | $416.00K | $526.31M | $462.00K | $-721.16M | $-193.98M | 3 month · $1.88M 9 month · $6.43M | (m) | (m) |
| 2020-09-30 | $0.00 | $408.00K | $522.36M | $-513.00K | $-718.49M | $-196.24M | 3 month · $2.59M 6 month · $4.55M | (m) | (m) |
| 2020-06-30 | $0.00 | $399.00K | $519.24M | $-1.24M | $-713.90M | $-195.50M | 3 month · $1.96M | (m) | 3 month · $167.00K |
| 2020-03-31 | $0.00 | $399.00K | $505.76M | $-1.52M | $-703.16M | $-198.53M | 12 month · $6.75M | (m) | (m) |
| 2019-12-31 | (m) | $399.00K | $504.42M | $-961.00K | $-699.33M | $-195.47M | 3 month · $2.06M 9 month · $5.41M | (m) | (m) |
| 2019-09-30 | (m) | $368.00K | $502.40M | $-1.80M | $-704.08M | $-203.11M | 3 month · $2.37M 6 month · $3.35M | (m) | (m) |
| 2019-06-30 | $0.00 | $360.00K | (m) | $-1.33M | $-701.76M | $-202.52M | 3 month · $987.00K | $500.21M | (m) |
| 2019-03-31 | $0.00 | $360.00K | $499.22M | $-1.41M | $-697.95M | $-199.78M | 12 month · $3.41M | $499.22M | (m) |
| 2018-12-31 | $0.00 | $356.00K | $493.35M | $-1.40M | $-688.54M | $-196.24M | 3 month · $1.10M 9 month · $2.82M | $493.35M | 3 month · $8.75M 9 month · $8.75M |
| 2018-09-30 | $0.00 | $356.00K | $483.49M | $-1.24M | $-684.26M | $-201.65M | 3 month · $1.29M 6 month · $1.72M | $483.50M | 3 month · $176.00K 6 month · $176.00K |
| 2018-06-30 | $0.00 | $356.00K | $482.03M | $-1.16M | $-662.64M | $-181.41M | 3 month · $427.00K | (m) | (m) |
| 2018-03-31 | $0.00 | $354.00K | (m) | $-274.00K | $-655.16M | $-173.47M | 12 month · $5.99M | $481.61M | (m) |
| 2017-12-31 | $0.00 | $351.00K | $479.29M | $-1.12M | $-631.22M | $-152.70M | 9 month · $5.18M | (m) | 9 month · $1.06M |
| 2017-09-30 | $0.00 | $347.00K | $476.09M | $-890.00K | $-621.03M | $-145.48M | 6 month · $3.01M | (m) | (m) |
| 2017-06-30 | $0.00 | $341.00K | $475.36M | $-1.33M | $-615.93M | $-141.56M | (m) | (m) | (m) |
| 2017-03-31 | $0.00 | $340.00K | $473.85M | $-1.68M | $-611.81M | $-139.30M | 12 month · $6.70M | (m) | (m) |
| 2016-12-31 | (m) | $2.71M | $469.60M | $2.51M | $-591.38M | $-116.55M | (m) | (m) | (m) |
| 2016-09-30 | (m) | $2.71M | $468.13M | $3.70M | $-597.96M | $-123.42M | (m) | (m) | (m) |
| 2016-06-30 | (m) | $2.67M | $466.52M | $3.55M | $-601.79M | $-129.06M | (m) | (m) | (m) |
| 2016-03-31 | $0.00 | $332.00K | $466.88M | $3.84M | $-596.94M | $-143.10M | 12 month · $8.92M | (m) | (m) |
| 2015-12-31 | (m) | $2.64M | $462.35M | $3.73M | $-545.59M | $-76.87M | (m) | (m) | (m) |
| 2015-09-30 | (m) | $2.64M | $460.09M | $4.10M | $-545.29M | $-78.46M | (m) | (m) | (m) |
| 2015-06-30 | (m) | $2.59M | $459.25M | $4.24M | $-534.07M | $-67.99M | (m) | (m) | (m) |
| 2015-03-31 | $0.00 | $2.58M | $456.41M | $3.88M | $-523.31M | $-57.67M | 12 month · $11.58M | (m) | (m) |
| 2014-12-31 | (m) | $2.56M | $451.99M | $4.99M | $-536.22M | $-76.67M | (m) | (m) | (m) |
| 2014-09-30 | (m) | $2.56M | $448.58M | $5.81M | $-543.15M | $-86.20M | (m) | (m) | (m) |
| 2014-06-30 | (m) | $2.51M | $446.61M | $6.69M | $-544.39M | $-88.59M | (m) | (m) | (m) |
| 2014-03-31 | $0.00 | $2.50M | $443.55M | $6.62M | $-540.07M | $-84.96M | 12 month · $13.46M | (m) | (m) |
| 2013-12-31 | (m) | $2.48M | $438.45M | $6.43M | $-527.00M | $-79.63M | (m) | (m) | (m) |
| 2013-09-30 | (m) | $2.48M | $434.89M | $6.42M | $-524.58M | $-80.79M | (m) | (m) | (m) |
| 2013-06-30 | (m) | $2.44M | $430.82M | $6.06M | $-516.62M | $-77.31M | (m) | (m) | (m) |
| 2013-03-31 | $0.00 | $2.43M | $427.61M | $6.19M | $-518.60M | $-82.36M | 12 month · $15.14M | (m) | (m) |
| 2012-12-31 | (m) | $2.41M | $422.13M | $6.69M | $-503.31M | $-72.08M | (m) | (m) | (m) |
| 2012-09-30 | (m) | $2.41M | $418.46M | $6.61M | $-495.16M | $-67.69M | (m) | (m) | (m) |
| 2012-06-30 | (m) | $2.37M | $413.91M | $6.07M | $-482.89M | $-60.55M | (m) | (m) | (m) |
| 2012-03-31 | $0.00 | $2.36M | $409.77M | $6.58M | $-465.40M | $-47.70M | 12 month · $13.74M | (m) | (m) |
| 2011-12-31 | (m) | $2.34M | $403.72M | $6.54M | $-454.34M | $-41.74M | (m) | (m) | (m) |
| 2011-09-30 | (m) | $2.33M | $399.87M | $6.92M | $-458.25M | $-49.13M | (m) | (m) | (m) |
| 2011-06-30 | (m) | $2.30M | $394.68M | $7.38M | $-461.81M | $-57.45M | (m) | (m) | (m) |
| 2011-03-31 | $0.00 | $2.27M | $385.91M | $7.29M | $-456.59M | $-61.69M | 12 month · $10.42M | (m) | (m) |
| 2010-03-31 | (m) | (m) | (m) | (m) | (m) | $-91.26M | 12 month · $9.79M | (m) | (m) |
| 2009-03-31 | (m) | (m) | (m) | (m) | (m) | $-119.96M | (m) | (m) | (m) |
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