Quantum Corporation (QMCO)

Quantum Market Cap

Quantum has a market cap or net worth of $112.55 million as of September 18, 2025. Its market cap has increased by 715.56% in one year.

• Market Cap: 112.55M
• Enterprise Value: 180.64M
• 1-Year Change: 715.56%
• Ranking: #4171
• Category: Micro-Cap
• Stock Price: $8.45

Market Cap Chart

Since August 2, 1999, Quantum's market cap has decreased from $3.22B to $112.55M, a decrease of -96.51%. That is a compound annual growth rate of -12.04%.

Market Cap History

Date	Market Cap	% Change
Sep 18, 2025	112.50M	-56.96%
Dec 31, 2024	261.40M	687.35%
Dec 29, 2023	33.20M	-70.67%
Dec 30, 2022	113.20M	-65.40%
Dec 31, 2021	327.20M	31.25%
Dec 31, 2020	249.30M	-9.05%
Dec 31, 2019	274.10M	295.53%
Dec 31, 2018	69.30M	-64.50%
Dec 29, 2017	195.20M	-13.51%
Dec 30, 2016	225.70M	-8.03%
Dec 31, 2015	245.40M	-45.43%
Dec 31, 2014	449.70M	51.06%
Dec 31, 2013	297.70M	-0.27%
Dec 31, 2012	298.50M	-46.78%
Dec 30, 2011	560.90M	-31.77%
Dec 31, 2010	822.10M	31.73%
Dec 31, 2009	624.10M	725.53%
Dec 31, 2008	75.60M	-86.23%
Dec 31, 2007	549.00M	21.92%
Dec 29, 2006	450.30M	-20.58%
Dec 30, 2005	567.00M	18.64%
Dec 31, 2004	477.90M	-13.95%
Dec 31, 2003	555.40M	31.61%
Dec 31, 2002	422.00M	-72.44%
Dec 31, 2001	1.53B	-22.41%

View and export this data all the way back to 1999. Sign Up Today.

Related Stocks

Company	Market Cap
NVIDIA	4,248.59B
Microsoft	3,783.78B
Apple	3,534.24B
Broadcom	1,700.05B
Taiwan Semiconductor Manufacturing Company	1,101.83B
Oracle	871.41B
Palantir Technologies	403.92B
ASML Holding	336.21B