NASDAQ:QMCO | Shares Outstanding | QUANTUM CORP /DE/

Complete source-backed shares outstanding history.

Available history
2011-03-31 to 2026-08-06
Data captured

Historical Shares Outstanding

DateShares outstanding
2026-08-0639,410,001
2026-06-3039,375,000
2026-06-2439,374,500
2026-03-3114,638,000
2026-02-1214,638,029
2025-12-3114,135,000
2025-11-1113,721,291
2025-09-3013,333,000
2025-09-0913,319,249
2025-08-2113,319,249
2025-06-3013,319,000
2025-03-316,962,000
2025-02-115,834,199
2024-12-315,307,000
2024-11-104,848,482
2024-09-304,793,000
2024-08-264,800,000
2024-08-2595,900,000
2024-08-1495,849,938
2024-08-134,792,690
2024-06-3095,850,000
2024-06-2595,849,938
2024-03-314,792,000
2023-12-3195,850,000
2023-09-3095,519,000
2023-08-0495,040,608
2023-06-3093,705,000
2023-05-3093,698,287
2023-03-3193,574,000
2023-01-30105,214,639
2022-12-3193,144,000
2022-10-30103,840,002
2022-09-3092,158,000
2022-08-01102,667,712
2022-06-3090,606,000
2022-06-01101,813,778
2022-03-3160,433,000
2022-02-0460,115,450
2021-12-3159,816,000
2021-10-2959,281,377
2021-09-3059,272,000
2021-08-0558,212,717
2021-06-3057,280,000
2021-05-2157,086,961
2021-03-3156,915,000
2021-01-2541,553,718
2020-12-3141,554,000
2020-10-2640,740,212
2020-09-3040,740,000
2020-07-3139,907,956
2020-06-3039,905,000
2020-06-2239,905,090
2020-03-3139,905,000
2020-01-2739,858,691
2019-12-3139,855,000
2019-10-3136,941,906
2019-09-3036,717,000
2019-08-0136,176,823
2019-06-3036,046
2019-03-3136,040,000
2018-12-3135,553,000
2018-09-3035,556,000
2018-09-2835,551,570
2018-06-3035,443,000
2018-03-3135,443,000
2017-12-3135,077,000
2017-11-0334,673,884
2017-09-3034,663,000
2017-08-0434,472,160
2017-06-3034,101,000
2017-05-2534,092,475
2017-03-3134,063,000
2017-01-27271,322,956
2016-12-31271,188,000
2016-10-28271,184,262
2016-09-30271,171,000
2016-07-29269,196,494
2016-06-30266,469,000
2016-05-27266,278,126
2016-03-3133,276,000
2016-01-29264,233,646
2015-12-31264,140,000
2015-10-30263,919,475
2015-09-30263,893,000
2015-07-31261,833,550
2015-06-30258,704,000
2015-05-29258,404,948
2015-03-31258,208,000
2015-01-31256,388,447
2014-12-31256,244,000
2014-10-31255,495,188
2014-09-30255,479,000
2014-08-01253,840,119
2014-06-30250,810,000
2014-05-30250,629,646
2014-03-31250,410,000
2014-01-31248,631,352
2013-12-31248,220,000
2013-11-06248,114,430
2013-09-30247,904,000