Common Stock, Shares, Outstanding of QUANTUM CORP /DE/ from 31 Mar 2011 to 31 Dec 2025

Taxonomy & unit
us-gaap: shares
Description
Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.
Summary
QUANTUM CORP /DE/ quarterly Common Stock, Shares, Outstanding in shares history and change rate from 31 Mar 2011 to 31 Dec 2025.
  • QUANTUM CORP /DE/ Common Stock, Shares, Outstanding for the quarter ending 31 Dec 2025 was 14,135,000, a 166% increase year-over-year.
Source SEC data
View on sec.gov
Common Stock, Shares, Outstanding, Quarterly (shares)
Common Stock, Shares, Outstanding, YoY Quarterly Change (%)

QUANTUM CORP /DE/ Quarterly Common Stock, Shares, Outstanding (shares)

Period Value YoY Chg Change % Date Report Filed Fiscal Year Fiscal Period
Q4 2025 14,135,000 +8,828,000 +166% 31 Dec 2025 10-Q 17 Feb 2026 2026 Q3
Q3 2025 13,333,000 +8,540,000 +178% 30 Sep 2025 10-Q 13 Nov 2025 2026 Q2
Q2 2025 13,319,000 -82,531,000 -86% 30 Jun 2025 10-Q 11 Sep 2025 2026 Q1
Q1 2025 6,962,000 +2,170,000 +45% 31 Mar 2025 10-Q 17 Feb 2026 2026 Q3
Q4 2024 5,307,000 -90,543,000 -94% 31 Dec 2024 10-K 26 Aug 2025 2025 FY
Q3 2024 4,793,000 -90,726,000 -95% 30 Sep 2024 10-Q 14 Nov 2024 2025 Q2
Q2 2024 95,850,000 +2,145,000 +2.3% 30 Jun 2024 10-Q 14 Aug 2024 2025 Q1
Q1 2024 4,792,000 -88,782,000 -95% 31 Mar 2024 10-K 26 Aug 2025 2025 FY
Q4 2023 95,850,000 +2,706,000 +2.9% 31 Dec 2023 10-Q 06 Sep 2024 2024 Q3
Q3 2023 95,519,000 +3,361,000 +3.6% 30 Sep 2023 10-Q 06 Sep 2024 2024 Q2
Q2 2023 93,705,000 +3,099,000 +3.4% 30 Jun 2023 10-Q 08 Aug 2023 2024 Q1
Q1 2023 93,574,000 +33,141,000 +55% 31 Mar 2023 10-Q 06 Sep 2024 2024 Q2
Q4 2022 93,144,000 +33,328,000 +56% 31 Dec 2022 10-Q 06 Sep 2024 2024 Q3
Q3 2022 92,158,000 +32,886,000 +55% 30 Sep 2022 10-Q 06 Sep 2024 2024 Q2
Q2 2022 90,606,000 +33,326,000 +58% 30 Jun 2022 10-K 28 Jun 2024 2024 FY
Q1 2022 60,433,000 +3,518,000 +6.2% 31 Mar 2022 10-K 28 Jun 2024 2024 FY
Q4 2021 59,816,000 +18,262,000 +44% 31 Dec 2021 10-Q 09 Feb 2022 2022 Q3
Q3 2021 59,272,000 +18,532,000 +45% 30 Sep 2021 10-Q 03 Nov 2021 2022 Q2
Q2 2021 57,280,000 +17,375,000 +44% 30 Jun 2021 10-Q 09 Aug 2021 2022 Q1
Q1 2021 56,915,000 +17,010,000 +43% 31 Mar 2021 10-K 08 Jun 2022 2022 FY
Q4 2020 41,554,000 +1,699,000 +4.3% 31 Dec 2020 10-Q 27 Jan 2021 2021 Q3
Q3 2020 40,740,000 +4,023,000 +11% 30 Sep 2020 10-Q 28 Oct 2020 2021 Q2
Q2 2020 39,905,000 +39,868,954 30 Jun 2020 10-Q 05 Aug 2020 2021 Q1
Q1 2020 39,905,000 +3,865,000 +11% 31 Mar 2020 10-K 26 May 2021 2021 FY
Q4 2019 39,855,000 +4,302,000 +12% 31 Dec 2019 10-Q 29 Jan 2020 2020 Q3
Q3 2019 36,717,000 +1,161,000 +3.3% 30 Sep 2019 10-Q 05 Nov 2019 2020 Q2
Q2 2019 36,046* -35,406,954 30 Jun 2019 10-Q 06 Aug 2019 2019 Q1
Q1 2019 36,040,000 +597,000 +1.7% 31 Mar 2019 10-K 24 Jun 2020 2020 FY
Q4 2018 35,553,000 +476,000 +1.4% 31 Dec 2018 10-K 06 Aug 2019 2019 FY
Q3 2018 35,556,000 +893,000 +2.6% 30 Sep 2018 10-K 06 Aug 2019 2019 FY
Q2 2018 35,443,000 +1,342,000 +3.9% 30 Jun 2018 10-K 06 Aug 2019 2019 FY
Q1 2018 35,443,000 +1,380,000 +4.1% 31 Mar 2018 10-K 06 Aug 2019 2019 FY
Q4 2017 35,077,000 -236,111,000 -87% 31 Dec 2017 10-K 06 Aug 2019 2019 FY
Q3 2017 34,663,000 -236,508,000 -87% 30 Sep 2017 10-K 06 Aug 2019 2019 FY
Q2 2017 34,101,000 -232,368,000 -87% 30 Jun 2017 10-K 06 Aug 2019 2019 FY
Q1 2017 34,063,000 +787,000 +2.4% 31 Mar 2017 10-K 06 Aug 2019 2019 FY
Q4 2016 271,188,000 +7,048,000 +2.7% 31 Dec 2016 10-Q 03 Feb 2017 2017 Q3
Q3 2016 271,171,000 +7,278,000 +2.8% 30 Sep 2016 10-Q 04 Nov 2016 2017 Q2
Q2 2016 266,469,000 +7,765,000 +3% 30 Jun 2016 10-Q 05 Aug 2016 2017 Q1
Q1 2016 33,276,000 -224,932,000 -87% 31 Mar 2016 10-K 01 Jun 2017 2017 FY
Q4 2015 264,140,000 +7,896,000 +3.1% 31 Dec 2015 10-Q 05 Feb 2016 2016 Q3
Q3 2015 263,893,000 +8,414,000 +3.3% 30 Sep 2015 10-Q 06 Nov 2015 2016 Q2
Q2 2015 258,704,000 +7,894,000 +3.1% 30 Jun 2015 10-Q 07 Aug 2015 2016 Q1
Q1 2015 258,208,000 +7,798,000 +3.1% 31 Mar 2015 10-K 03 Jun 2016 2016 FY
Q4 2014 256,244,000 +8,024,000 +3.2% 31 Dec 2014 10-Q 06 Feb 2015 2015 Q3
Q3 2014 255,479,000 +7,575,000 +3.1% 30 Sep 2014 10-Q 07 Nov 2014 2015 Q2
Q2 2014 250,810,000 +7,317,000 +3% 30 Jun 2014 10-Q 08 Aug 2014 2015 Q1
Q1 2014 250,410,000 +7,330,000 +3% 31 Mar 2014 10-K 12 Jun 2015 2015 FY
Q4 2013 248,220,000 +7,341,000 +3% 31 Dec 2013 10-Q 07 Feb 2014 2013 Q3
Q3 2013 247,904,000 +7,189,000 +3% 30 Sep 2013 10-Q 12 Nov 2013 2013 Q2
Q2 2013 243,493,000 +6,558,000 +2.8% 30 Jun 2013 10-Q 09 Aug 2013 2013 Q1
Q1 2013 243,080,000 +6,678,000 +2.8% 31 Mar 2013 10-K 06 Jun 2014 2014 FY
Q4 2012 240,879,000 +6,752,000 +2.9% 31 Dec 2012 10-Q 08 Feb 2013 2012 Q3
Q3 2012 240,715,000 +240,481,504 +102992% 30 Sep 2012 10-Q 09 Nov 2012 2012 Q2
Q2 2012 236,935,000 +6,817,000 +3% 30 Jun 2012 10-Q 09 Aug 2012 2012 Q1
Q1 2012 236,402,000 +9,091,000 +4% 31 Mar 2012 10-K 07 Jun 2013 2012 FY
Q4 2011 234,127,000 31 Dec 2011 10-Q 09 Feb 2012 2011 Q3
Q3 2011 233,496 30 Sep 2011 10-Q 09 Nov 2011 2011 Q2
Q2 2011 230,118,000 30 Jun 2011 10-Q 09 Aug 2011 2011 Q1
Q1 2011 227,311,000 31 Mar 2011 10-K 14 Jun 2012 2011 FY
* An asterisk sign (*) next to the value indicates that the value is likely invalid.