Quantum - 42 Year Stock Price History | QMCO
Historical daily share price chart and data for Quantum since 1984 adjusted for splits and dividends. The latest closing stock price for Quantum as of January 20, 2026 is 7.36.
- The all-time high Quantum stock closing price was 3430.00 on August 17, 1999.
- The Quantum 52-week high stock price is 41.00, which is 457.1% above the current share price.
- The Quantum 52-week low stock price is 6.22, which is 15.5% below the current share price.
- The average Quantum stock price for the last 52 weeks is 10.98.
| Quantum Historical Annual Stock Price Data | ||||||
|---|---|---|---|---|---|---|
| Year | Average Stock Price | Year Open | Year High | Year Low | Year Close | Annual % Change |
| 2026 | 7.5700 | 7.0000 | 7.9900 | 7.0000 | 7.3600 | 14.11% |
| 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% |
| 2011 | 432.2857 | 622.4000 | 697.6000 | 272.0000 | 384.0000 | -35.48% |
| 2010 | 409.8413 | 480.0000 | 627.2000 | 198.4000 | 595.2000 | 26.96% |
| 2009 | 191.7968 | 73.6000 | 488.0000 | 44.8000 | 468.8000 | 713.89% |
| 2008 | 245.3123 | 417.6000 | 481.6000 | 17.6000 | 57.6000 | -86.62% |
| 2007 | 478.8717 | 369.6000 | 664.0000 | 358.4000 | 430.4000 | 15.95% |
| 2006 | 444.7044 | 488.0000 | 632.0000 | 310.4000 | 371.2000 | -23.93% |
| 2005 | 455.8476 | 416.0000 | 510.4000 | 366.4000 | 488.0000 | 16.41% |
| 2004 | 475.9429 | 510.4000 | 670.4000 | 334.4000 | 419.2000 | -16.03% |
| 2003 | 550.2476 | 480.0000 | 777.6000 | 448.0000 | 499.2000 | 16.85% |
| 2002 | 868.6730 | 1592.0000 | 1748.8000 | 227.2000 | 427.2000 | -72.89% |
| 2001 | 1730.5790 | 2020.0000 | 2390.0000 | 1216.0000 | 1576.0000 | -25.66% |
| 2000 | 1938.2540 | 2510.0000 | 2580.0000 | 1400.0000 | 2120.0000 | -12.40% |
| 1999 | 1127.0564 | 18.2970 | 3430.0000 | 13.8678 | 2420.0000 | 13398.51% |
| 1998 | 17.1089 | 19.1934 | 22.3571 | 9.6494 | 17.9279 | 5.92% |
| 1997 | 21.4481 | 11.6004 | 35.8031 | 11.6004 | 16.9260 | 40.17% |
| 1996 | 8.1246 | 7.4348 | 12.5495 | 4.6402 | 12.0750 | 77.52% |
| 1995 | 8.2591 | 6.3539 | 11.6268 | 5.8529 | 6.8021 | 6.61% |
| 1994 | 6.6154 | 5.9584 | 8.1203 | 4.9565 | 6.3802 | 7.08% |
| 1993 | 5.4880 | 6.4857 | 7.2766 | 4.0074 | 5.9584 | -7.38% |
| 1992 | 6.1984 | 5.1675 | 7.4348 | 5.1675 | 6.4330 | 34.07% |
| 1991 | 5.1707 | 5.0268 | 7.4875 | 3.8492 | 4.7984 | -8.39% |
| 1990 | 4.7605 | 3.2341 | 7.0306 | 2.5310 | 5.2378 | 71.27% |
| 1989 | 2.6319 | 1.2186 | 4.4996 | 1.2186 | 3.0583 | 146.22% |
| 1988 | 1.0891 | 1.2186 | 1.2889 | 0.9140 | 1.2421 | 4.95% |
| 1987 | 1.8171 | 1.8983 | 3.1638 | 0.7616 | 1.1835 | -39.15% |
| 1986 | 1.8423 | 2.4841 | 2.5310 | 1.4999 | 1.9451 | -22.43% |
| 1985 | 2.2017 | 1.8983 | 2.8122 | 1.7576 | 2.5076 | 27.38% |
| Sector | Industry | Market Cap | Revenue |
|---|---|---|---|
| Computer and Technology | Computer Storage Devices | $0.108B | $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 |
|---|---|---|---|
| Western Digital (WDC) | United States | $75.734B | 37.04 |
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| Super Micro Computer (SMCI) | United States | $19.485B | 25.70 |
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| Netlist (NLST) | United States | $0.380B | 0.00 |
| GSI Technology (GSIT) | United States | $0.284B | 0.00 |