Quantum - 15 Year Stock Price History | QMCO

Historical daily share price chart and data for Quantum since 2011 adjusted for splits and dividends. The latest closing stock price for Quantum as of June 09, 2026 is 13.05.
  • The all-time high Quantum stock closing price was 539.20 on July 01, 2011.
  • The Quantum 52-week high stock price is 18.48, which is 41.6% above the current share price.
  • The Quantum 52-week low stock price is 4.19, which is 67.9% below the current share price.
  • The average Quantum stock price for the last 52 weeks is 8.03.
Unlock Macrotrends Premium
40 years of data
Faster, ad-free pages
Unlimited data exports
Full-width charts
Quantum Historical Annual Stock Price Data
Year Average Stock Price Year Open Year High Year Low Year Close Annual % Change
2026 7.1167 7.0000 15.9500 4.3100 13.0500 102.33%
2025 12.4182 54.4200 54.4300 6.4500 6.4500 -88.04%
2024 9.7014 6.8000 70.6700 2.5100 53.9200 670.29%
2023 17.8968 23.6000 36.8000 4.8000 7.0000 -67.89%
2022 41.8112 112.8000 112.8000 20.8000 21.8000 -80.25%
2021 137.8198 127.2000 189.0000 99.2000 110.4000 -9.80%
2020 98.2040 144.2000 167.0000 29.6000 122.4000 -17.52%
2019 78.5071 39.2000 148.4000 28.0000 148.4000 271.00%
2018 62.5442 118.2000 128.0000 24.2000 40.0000 -64.48%
2017 135.1713 139.2000 179.4000 85.4000 112.6000 -15.21%
2016 99.3016 140.8000 153.6000 59.2000 132.8000 -10.75%
2015 222.1587 275.2000 350.4000 112.0000 148.8000 -47.16%
2014 201.6317 192.0000 289.6000 158.4000 281.6000 46.67%
2013 220.8254 208.0000 275.2000 180.8000 192.0000 -3.23%
2012 306.3488 356.8000 459.2000 168.0000 198.4000 -48.33%
Sector Industry Market Cap Revenue
Computer and Technology Computer Storage Devices $0.088B $0.274B
Quantum is a leading expert in scale-out storage, archive and data protection, providing solutions for capturing, sharing and preserving digital assets over the entire data lifecycle. From small businesses to major enterprises, more than 100,000 customers have trusted Quantum to address their most demanding data workflow challenges. With Quantum, customers can be certain they have the end-to-end storage foundation to maximize the value of their data by making it accessible whenever and wherever needed, retaining it indefinitely and reducing total cost and complexity.
Stock Name Country Market Cap PE Ratio
Sandisk (SNDK) United States $125.722B 138.50
Western Digital (WDC) United States $116.436B 53.49
NetApp (NTAP) United States $18.930B 15.83
Super Micro Computer (SMCI) United States $15.130B 19.14
Teradata (TDC) United States $2.325B 14.98
Netlist (NLST) United States $0.483B 0.00
GSI Technology (GSIT) United States $0.203B 0.00