NASDAQ:QMCO | Market Cap | QUANTUM CORP /DE/

Historical market capitalization from contemporaneous retained split-adjusted close and filed split-adjusted shares outstanding.

Available history
2011-03-31 to 2026-09-03
Data captured

Historical Market Cap

DateMarket Cap
2026-09-03$958.25M
2026-08-06$460.31M
2026-06-30$433.13M
2026-06-24$528.41M
2026-03-31$69.53M
2026-02-12$84.75M
2025-12-31$91.17M
2025-11-11$108.12M
2025-09-30$132.26M
2025-09-09$106.42M
2025-08-21$93.63M
2025-06-30$132.79M
2025-03-31$100.11M
2025-02-11$103.91M
2024-12-31$286.15M
2024-11-10$21.48M
2024-09-30$16.78M
2024-08-26$20.16M
2024-08-25$402.78M
2024-08-14$555.93M
2024-08-13$29.71M
2024-06-30$785.97M
2024-06-25$766.8M
2024-03-31$57.5M
2023-12-31$670.95M
2023-09-30$1.17B
2023-08-04$2.09B
2023-06-30$2.02B
2023-05-30$2.27B
2023-03-31$2.15B
2023-01-30$3.81B
2022-12-31$2.03B
2022-10-30$2.82B
2022-09-30$1.99B
2022-08-01$3.76B
2022-06-30$2.57B
2022-06-01$3.85B
2022-03-31$2.74B
2022-02-04$5.53B
2021-12-31$6.6B
2021-10-29$6.77B
2021-09-30$6.14B
2021-08-05$7.63B
2021-06-30$7.89B
2021-05-21$10.28B
2021-03-31$9.48B
2021-01-25$5.89B
2020-12-31$5.09B
2020-10-26$3.91B
2020-09-30$3.75B
2020-07-31$3.47B
2020-06-30$3.08B
2020-06-22$3.83B
2020-03-31$2.35B
2020-01-27$6.58B
2019-12-31$5.91B
2019-10-31$4.48B
2019-09-30$4.19B
2019-08-01$2.32B
2019-06-30$1.91M
2019-03-31$1.72B
2018-12-31$1.42B
2018-09-30$1.71B
2018-09-28$1.71B
2018-06-30$1.56B
2018-03-31$2.58B
2017-12-31$3.95B
2017-11-03$3.43B
2017-09-30$4.24B
2017-08-04$5.4B
2017-06-30$5.33B
2017-05-25$5.9B
2017-03-31$4.74B
2017-01-27$39.07B
2016-12-31$36.01B
2016-10-28$33.41B
2016-09-30$32.11B
2016-07-29$26.27B
2016-06-30$17.91B
2016-05-27$16.19B
2016-03-31$3.25B
2016-01-29$20.29B
2015-12-31$39.3B
2015-10-30$35.47B
2015-09-30$29.56B
2015-07-31$44.41B
2015-06-30$69.54B
2015-05-29$84.34B
2015-03-31$66.1B
2015-01-31$64.82B
2014-12-31$72.16B
2014-10-31$52.33B
2014-09-30$47.42B
2014-08-01$49.96B
2014-06-30$48.96B
2014-05-30$45.71B
2014-03-31$48.88B
2014-01-31$49.73B
2013-12-31$47.66B
2013-11-06$47.24B

Research interface only. Not investment advice. Prices are a checked-in snapshot, not live quotes.