Compare · QMCO vs STX
QMCO vs STX
Side-by-side comparison of Quantum Corporation (QMCO) and Seagate Technology Holdings PLC (STX): market cap, price performance, sector, and recent activity on the wire.
Summary
- Both QMCO and STX operate in Electronic Components (Technology), so they compete in similar markets.
- STX is the larger of the two at $207.20B, about 178.3x QMCO ($1.16B).
- Over the past year, QMCO is up 227.0% and STX is up 286.6% - STX leads by 59.6 points.
- STX has been more active in the news (22 items in the past 4 weeks vs 7 for QMCO).
- STX has more recent analyst coverage (25 ratings vs 6 for QMCO).
- Company
- Quantum Corporation
- Seagate Technology Holdings PLC
- Price
- $32.01+1.06%
- $885.74-3.38%
- Market cap
- $1.16B
- $207.20B
- 1M return
- +36.04%
- +4.62%
- 1Y return
- +226.97%
- +286.60%
- Industry
- Electronic Components
- Electronic Components
- Exchange
- NASDAQ
- NASDAQ
- IPO
- 2002
- News (4w)
- 7
- 22
- Recent ratings
- 6
- 25
Quantum Corporation
Quantum Corporation provides products for storing and managing digital video and unstructured data in the Americas, Europe, the Middle East, Africa, and the Asia Pacific. The company offers StorNext software systems that enable high-speed ingest, editing, processing, and management of digital video and image datasets; and Scalar tape systems that provide long-term data storage facility to archive and preserve digital content for decades. It also provides DXi backup systems for backup storage and multi-site disaster recovery; surveillance and physical security storage systems, including video recording servers, as well as hyperconverged storage systems for video surveillance management and recording; and appliances designed for video surveillance analytics and to run various types of access control systems. In addition, the company offers in-vehicle storage systems, which are removable storage systems for in-vehicle data capture, mobile surveillance, and military applications; managed services, implementation and training services, and support services; and object storage systems for online content repositories, such as media archives, genome sequencing data repositories, and big data lakes. Further, it sells linear tape-open (LTO) tape cartridges, as well as standalone LTO tape drives for small business and desktop use. The company sells its products through a network of distributors, value-added resellers, direct marketing resellers, original equipment manufacturers, and other suppliers, as well as directly to corporate entities and government agencies. Quantum Corporation was founded in 1980 and is headquartered in San Jose, California.
Seagate Technology Holdings PLC
Seagate Technology Holdings plc provides data storage technology and solutions in Singapore, the United States, the Netherlands, and internationally. The company offers hard disk and solid state drives, including serial advanced technology attachment, serial attached SCSI, and non-volatile memory express products; solid state hybrid drives; and storage subsystems. It also provides enterprise data solutions portfolio comprising storage subsystems and mass capacity optimized private cloud storage solutions for enterprises, cloud service providers, and scale-out storage servers and original equipment manufacturers (OEMs). In addition, the company offers external storage solutions under the Seagate Ultra Touch, One Touch, and Expansion product lines, as well as under the LaCie and Maxtor brands in capacities up to 16TB. It sells its products primarily to OEMs, distributors, and retailers. Seagate Technology Holdings plc was founded in 1978 and is based in Dublin, Ireland.
Latest QMCO
- Quantum Corporation filed SEC Form 8-K: Leadership Update, Other Events, Financial Statements and Exhibits
- Quantum Appoints James C. Clancy as Chief Operating Officer
- SEC Form S-8 filed by Quantum Corporation
- Quantum Corporation filed SEC Form 8-K: Submission of Matters to a Vote of Security Holders
- Quantum Appoints Mike Heuer as Chief Information Officer
- SEC Form 3 filed by new insider Patel Hiral
- Quantum Introduces Autonomous Data Management, Dramatically Reducing Storage Costs While Increasing Efficiency and Availability
- Quantum Corporation filed SEC Form 8-K: Leadership Update, Other Events, Financial Statements and Exhibits
- Quantum Appoints Hiral A. Patel as Chief Accounting Officer
- Quantum to Participate at the Lake Street Best Ideas Conference on September 10, 2026
Latest STX
- EVP & CTO Morris John Christopher exercised 915 units of Ordinary Shares at a strike of $158.40 and sold $8,211,951 worth of Ordinary Shares (9,354 units at $877.91) as part of a pre-agreed trading plan, decreasing direct ownership by 27% to 22,693 units (SEC Form 4)
- EVP & CFO Romano Gianluca converted options into 90,380 units of Ordinary Shares and sold $38,595,124 worth of Ordinary Shares (49,984 units at $772.16), increasing direct ownership by 133% to 70,756 units (SEC Form 4) to satisfy tax liability
- EVP Global Operations Chong Kian Fatt converted options into 14,470 units of Ordinary Shares, increasing direct ownership by 136% to 25,093 units (SEC Form 4)
- CEO Mosley William D sold $75,584,519 worth of Ordinary Shares (97,889 units at $772.14) and converted options into 177,000 units of Ordinary Shares, increasing direct ownership by 26% to 378,108 units (SEC Form 4) (withholding tax)
- EVP & CTO Morris John Christopher converted options into 30,130 units of Ordinary Shares and sold $11,941,704 worth of Ordinary Shares (15,466 units at $772.15), increasing direct ownership by 89% to 31,132 units (SEC Form 4) (for withholding tax)
- EVP & Chief Commercial Officer Teh Ban Seng converted options into 52,730 units of Ordinary Shares and sold $41,239,128 worth of Ordinary Shares (52,730 units at $782.08) as part of a pre-agreed trading plan (SEC Form 4)
- EVP & CTO Morris John Christopher converted options into 942 units of Ordinary Shares and sold $384,952 worth of Ordinary Shares (493 units at $781.23), increasing direct ownership by 3% to 16,468 units (SEC Form 4) (for tax liability)
- EVP & Chief Commercial Officer Teh Ban Seng converted options into 989 units of Ordinary Shares and sold $770,431 worth of Ordinary Shares (989 units at $779.00) as part of a pre-agreed trading plan (SEC Form 4)
- EVP & CFO Romano Gianluca sold $4,677,037 worth of Ordinary Shares (5,555 units at $841.95) as part of a pre-agreed trading plan and converted options into 1,695 units of Ordinary Shares, decreasing direct ownership by 11% to 30,360 units (SEC Form 4) (tax liability)
- EVP & CFO Romano Gianluca exercised 50,498 units of Ordinary Shares at a strike of $99.99 and sold $38,095,905 worth of Ordinary Shares (45,898 units at $830.01) as part of a pre-agreed trading plan, increasing direct ownership by 16% to 34,220 units (SEC Form 4)