Seagate Technology Holdings plc
Ticker: STXIndustrialsIndustrial MachineryS&P 500The business
Seagate Technology Holdings Public Limited Company (NASDAQ: STX) operates as a leading provider of mass-capacity data storage solutions, serving hyperscale cloud service providers, enterprises, and consumers worldwide. The company's website is www.seagate.com.
Seagate designs and manufactures hard disk drives (HDDs), storage systems, and related solutions across two principal end markets: Data Center and Edge/Internet of Things (IoT). The Data Center segment serves cloud and enterprise environments requiring scalable, high-capacity storage infrastructure for AI-enabled computing and business-critical applications, offering HDDs up to 44TB and storage systems up to 3.5PB. The Edge IoT segment addresses industrial and consumer-oriented environments with storage products ranging from 1TB to 32TB, supporting video applications, network-attached storage, smart infrastructure, personal computing, gaming, and data backup.
The company maintains a vertically integrated business model, designing and manufacturing critical technologies including read/write heads, magnetic recording media, and other core components. This approach enables Seagate to accelerate technology transitions, optimize product performance, and efficiently scale manufacturing. The company operates manufacturing facilities across China, Malaysia, Northern Ireland, Singapore, Thailand, and the United States, employing approximately 30,000 full-time employees globally, with roughly 25,000 located in Asia.
Seagate's competitive differentiation centers on decades of storage innovation and a technology roadmap advancing areal density through platforms like Mozaic, which incorporates heat-assisted magnetic recording (HAMR) technology and proprietary photonics. The company holds approximately 3,036 U.S. patents and 226 non-U.S. patents, protecting its intellectual property portfolio.
The company sells through direct and indirect channels, with Data Center products primarily distributed to cloud service providers, OEMs, and enterprise organizations, while Edge IoT products reach markets through OEMs, distributors, retailers, and resellers. Seagate's major brands include Seagate, LaCie, MACH.2, and Mozaic. The vast majority of the company's business derives from Data Center markets, with demand influenced by customer procurement schedules, IT spending, and hyperscale infrastructure investment timing.
- Sector
- Industrials
- Industry
- Industrial Machinery
- HQ
- SINGAPORE, U0
- FY end
- 06-27
- CIK
- 1137789
- SIC
- 3572
Ownership
Who holds Seagate Technology Holdings plc — across funds, superinvestors and bonds · N-PORT 2026Q2 · 13F 2026-06-30
Top fund holders
| Fund | % of fund | Value |
|---|---|---|
| VANGUARD TOTAL STOCK MARKET INDEX FUND VTI · VANGUARD INDEX FUNDS | 0.30% | $6.87B |
| VANGUARD 500 INDEX FUND VOO · VANGUARD INDEX FUNDS | 0.34% | $5.61B |
| Invesco QQQ Trust, Series 1 QQQ | 0.94% | $4.59B |
| VANGUARD MID-CAP INDEX FUND VO · VANGUARD INDEX FUNDS | 1.05% | $2.34B |
| VANGUARD GROWTH INDEX FUND VUG · VANGUARD INDEX FUNDS | 0.61% | $2.31B |
Superinvestors in Seagate Technology Holdings plc
Share of each manager's reported 13F portfolio.
Fund ownership counts N-PORT filers only, so it is a floor rather than a census — pensions, insurers and direct holders are not visible here, and the remainder is not “held by individuals”.
Fund ownership is a subset of institutional 13F ownership — the two describe overlapping populations and must not be added together.
Could not be determined for this company: bond issues.
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