24.23
price down icon8.63%   -2.29
 
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Quantum Corp stock is traded at $24.23, with a volume of 913.91K. It is down -8.63% in the last 24 hours and up +6.16% over the past month. Quantum Corp is a United States-based company that delivers end-to-end data management solutions designed for unstructured data in the era of artificial intelligence (AI). It provides comprehensive and cost-efficient solutions for the entire data lifecycle. The group provides solutions for video, images, audio, and other large files because this unstructured data represents. Its portfolio of products includes primary storage software and systems, secondary storage software and systems, as well as devices and media. The group operates in three geographic regions: Americas, Europe, the Middle East, and Africa (EMEA), and Asia Pacific (APAC).
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Previous Close:
$26.52
Open:
$25.52
24h Volume:
913.91K
Relative Volume:
0.48
Market Cap:
$954.90M
Revenue:
$261.28M
Net Income/Loss:
$-100.82M
P/E Ratio:
-3.0115
EPS:
-8.0459
Net Cash Flow:
$-42.25M
1W Performance:
-22.01%
1M Performance:
+6.16%
6M Performance:
+250.65%
1Y Performance:
+90.94%
1-Day Range:
Value
$23.77
$26.24
1-Week Range:
Value
$25.78
$32.55
52-Week Range:
Value
$4.19
$35.65

Quantum Corp Stock (QMCO) Company Profile

Name
Name
Quantum Corp
Name
Phone
408 944 4000
Name
Address
224 AIRPORT PARKWAY, SAN JOSE, CA
Name
Employee
490
Name
Twitter
@QuantumCorp
Name
Next Earnings Date
2026-11-12
Name
Latest SEC Filings
Name
QMCO's Discussions on Twitter

Compare QMCO vs DELL, ANET, SNDK, STX, WDC

Stocks Price Market Cap Revenue Net Income Cash Flow EPS
QMCO icon
QMCO
Quantum Corp
24.23 954.90M 261.28M -100.82M -42.25M -8.0459
DELL icon
DELL
Dell Technologies Inc
507.39 322.61B 134.19B 8.41B 9.44B 12.58
ANET icon
ANET
Arista Networks Inc
195.04 245.99B 9.71B 3.72B 5.28B 2.9204
SNDK icon
SNDK
Sandisk Corp
1,418.00 204.94B 13.18B 4.51B 4.46B 28.77
STX icon
STX
Seagate Technology Holdings Plc
718.82 163.46B 11.01B 2.38B 2.41B 10.54
WDC icon
WDC
Western Digital Corp
365.19 136.70B 11.78B 6.38B 2.91B 16.75

Quantum Corp Stock (QMCO) Upgrades & Downgrades

Date Action Analyst Rating Change
Aug-11-26 Upgrade Northland Capital Market Perform → Outperform
Jun-26-26 Downgrade Northland Capital Outperform → Market Perform
Mar-25-26 Resumed Lake Street Buy
Nov-14-25 Upgrade Northland Capital Market Perform → Outperform
Feb-10-22 Downgrade B. Riley Securities Buy → Neutral
Feb-10-22 Downgrade Oppenheimer Outperform → Perform
Mar-05-21 Initiated Northland Capital Outperform
Mar-04-21 Initiated Oppenheimer Outperform
View All

Quantum Corp Stock (QMCO) Latest News

pulisher
Oct 13, 2026

Quantum Builds ActiveScale Momentum: Can It Sustain Growth? - TradingView

Oct 13, 2026
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Oct 13, 2026

Quantum Builds ActiveScale Momentum: Can It Sustain Growth? - Zacks Investment Research

Oct 13, 2026
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Oct 13, 2026

KING Global Forms Joint Ventures with Quantum Energy Corp. to Commence Processing Beta Test at Cleator AZ - TradingView

Oct 13, 2026
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Oct 12, 2026

Rigetti Computing, Inc. (RGTI) stock price, news, quote and history - Yahoo Finance UK

Oct 12, 2026
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Oct 12, 2026

Form 4 Quantum Corp For: 12 October By Investing.com - Investing.com Nigeria

Oct 12, 2026
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Oct 10, 2026

Quantum Appoints New Principal Financial Officer Amid Changes - The Globe and Mail

Oct 10, 2026
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Oct 10, 2026

Quantum (QMCO) Shares Climbed, What Is Behind The Fresh Attention? - Yahoo Finance

Oct 10, 2026
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Oct 09, 2026

Johnson Fistel, PLLP Investigates Claims on Behalf of Long-Term Shareholders of Semtech Corporation (SMTC), Roblox Corporation (RBLX), Quantum Corporation (QMCO), and PROCEPT BioRobotics Corporation (PRCT) - Supply Chain Digital

Oct 09, 2026
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Oct 09, 2026

Quantum Corp (QMCO) CFO William White Terminated; Hiral Patel St - GuruFocus

Oct 09, 2026
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Oct 09, 2026

Quantum Corporation CFO terminated, replaced by chief accounting officer - StreetInsider

Oct 09, 2026
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Oct 09, 2026

Quantum Corporation Announces Management Changes, Effective October 9, 2026 - www.marketscreener.com

Oct 09, 2026
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Oct 09, 2026

Quantum Corporation Announces Termination of William H. White as Chief Financial Officer, Effective October 9, 2026 - www.marketscreener.com

Oct 09, 2026
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Oct 09, 2026

Should Investors Still Buy QMCO Stock After a 3-Month Rally of 191%? - TradingView

Oct 09, 2026
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Oct 08, 2026

KQC Quantum, Inc. and Charlton Aria Acquisition Corporation Annou - The National Law Review

Oct 08, 2026
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Sep 29, 2026

Zapata Quantum, Inc. (ZPTA) Stock Price, News, Quote & History - Yahoo! Finance Canada

Sep 29, 2026
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Oct 07, 2026

KQC Quantum and Charlton Aria Agree on Nasdaq Business Combination - The Quantum Insider

Oct 07, 2026
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Oct 07, 2026

Korea Quantum Computing To List On Nasdaq Via SPAC Deal - Quantum Zeitgeist

Oct 07, 2026
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Oct 07, 2026

Korea Quantum Computing (KQC) to Go Public on Nasdaq via $80 Million SPAC Merger with Charlton Aria - Quantum Computing Report

Oct 07, 2026
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Oct 07, 2026

Quantum Corp. (QMCO) is a Great Momentum Stock: Should You Buy? - Zacks Investment Research

Oct 07, 2026
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Oct 07, 2026

Quantum Corp. (QMCO) is a Great Momentum Stock: Should You Buy? - Yahoo Finance Singapore

Oct 07, 2026
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Oct 07, 2026

Quantum Corp. (QMCO) is a Great Momentum Stock: Should You Buy? - Yahoo Finance

Oct 07, 2026
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Oct 07, 2026

KQC Quantum, Inc. and Charlton Aria Acquisition Corporation Announce Definitive Business Combination Agreement to Take Korea’s Enterprise Quantum Computing and Quantum-Safe Security Company Public on Nasdaq - Business Wire

Oct 07, 2026
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Oct 07, 2026

Zapata Quantum, Inc. (ZPTA) stock price, news, quote and history - Yahoo Finance Singapore

Oct 07, 2026
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Oct 06, 2026

Quantum X Inc. Announces Binding Letter of Intent to Acquire 80% of Institutional Market Data Provider TraderMade Systems Ltd. - PR Newswire

Oct 06, 2026
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Oct 05, 2026

Form 4 Quantum Corp For: 5 October By Investing.com - Investing.com Canada

Oct 05, 2026
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Apr 03, 2026

SEALSQ Corp (LAES) stock price, news, quote and history - Yahoo Finance UK

Apr 03, 2026
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Oct 05, 2026

Director receives 12,000 stock units at Quantum (QMCO), with reported direct holdings of 25,000 shares. - stocktitan.net

Oct 05, 2026
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Oct 05, 2026

Science Applications International Corp Adds Post-Quantum Security With ISC Deal - quantumzeitgeist.com

Oct 05, 2026
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Oct 05, 2026

A $0-per-share award gives Quantum (QMCO) director Tracy 12,000 restricted stock units. - stocktitan.net

Oct 05, 2026
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Oct 05, 2026

Director John Fichthorn receives 12,000 stock units at Quantum (QMCO) and reports 40,896 directly held shares. - stocktitan.net

Oct 05, 2026
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Oct 05, 2026

400,000 options at $31.885 a share go to Quantum (QMCO) COO James C. Clancy. - stocktitan.net

Oct 05, 2026
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Oct 05, 2026

Options on 500,000 shares go to Quantum (QMCO)’s CEO, with four-year vesting subject to continued service. - stocktitan.net

Oct 05, 2026
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Oct 05, 2026

Accounting chief receives a 50,000-unit stock grant at Quantum (QMCO), vesting subject to service. - stocktitan.net

Oct 05, 2026
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Oct 05, 2026

200,000 options for Quantum (QMCO)'s revenue chief vest over four years, subject to continued service. - stocktitan.net

Oct 05, 2026
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Oct 05, 2026

SAIC Acquires Information Security Corporation, Expanding - GlobeNewswire

Oct 05, 2026
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Oct 03, 2026

Who’s News: Strategic Appointments at Quantum eMotion, Pasqal, Royal Bank of Canada, and 01 Quantum Inc. - quantumcomputingreport.com

Oct 03, 2026
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Sep 30, 2026

01 Quantum Inc. (OONEF) Stock Price, News, Quote & History - Yahoo! Finance Canada

Sep 30, 2026
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Oct 02, 2026

Quantum Corp stock hits 52-week high at 34.77 USD - Investing.com

Oct 02, 2026
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Oct 02, 2026

Quantum Computing Inc. (QUBT) Options Chain - Yahoo! Finance Canada

Oct 02, 2026
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Oct 02, 2026

Stocks in play: Quantum Secure Encryption Corp - Yahoo! Finance Canada

Oct 02, 2026
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Oct 02, 2026

Quantum Corporation (QMCO) options chain – Yahoo Finance - sg.finance.yahoo.com

Oct 02, 2026
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Sep 25, 2026

Strength Seen in Quantum Corp. (QMCO): Can Its 13.6% Jump Turn into More Strength? - Yahoo Finance

Sep 25, 2026
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Sep 25, 2026

Quantum Computing Inc. (QUBT) stock price, news, quote and history - Yahoo Finance Singapore

Sep 25, 2026
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Sep 24, 2026

Quantum vs. IBM: Which Data Storage Stock is the Better Buy? - TradingView

Sep 24, 2026
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Feb 23, 2026

Quantum eMotion Corp. (QNC) Stock Price, News, Quote & History - Yahoo! Finance Canada

Feb 23, 2026
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Sep 24, 2026

Quantum Corporation: AI Infrastructure Turnaround (NASDAQ:QMCO) - Seeking Alpha

Sep 24, 2026
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Sep 24, 2026

Infleqtion, Inc. (INFQ) Stock Price, News, Quote & History - Yahoo! Finance Canada

Sep 24, 2026
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Sep 23, 2026

Quantum eMotion Corp. (34Q0.F) Stock Price, News, Quote & History - Yahoo! Finance Canada

Sep 23, 2026
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Sep 23, 2026

Quantum Corporation (QMCO) stock price, news, quote and history - Yahoo Finance Singapore

Sep 23, 2026
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Sep 23, 2026

Quantum Computing Inc. (QUBT) stock price, news, quote and history - Yahoo Finance UK

Sep 23, 2026

Quantum Corp Stock (QMCO) Financials Data

Revenue

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Net Income

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Cash Flow

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EPS

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Quantum Corp Stock (QMCO) Insider Trading

Insider Trading Relationship Date Transaction Cost #Shares Value ($) #Shares Total
Nash Laura A.
Chief Accounting Officer
Jul 02 '26
Sale
10.51
260
2,733
10,770
Meyrath Hugues
President & CEO
Jul 02 '26
Sale
10.51
6,232
65,498
118,468
Nash Laura A.
Chief Accounting Officer
Apr 02 '26
Sale
5.44
109
593
11,030
Meyrath Hugues
President & CEO
Oct 02 '25
Sale
10.86
2,975
32,308
24,700
Nash Laura A.
Chief Accounting Officer
Oct 02 '25
Sale
10.86
611
6,635
11,139
Nash Laura A.
Chief Accounting Officer
Oct 01 '25
Sale
9.91
118
1,169
11,750
$4.61
price down icon 3.15%
$17.98
price down icon 7.48%
$16.51
price down icon 2.60%
$7.04
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$1.42
price down icon 2.07%
$2.33
price up icon 1.75%
Cap:     |  Volume (24h):