Market Cap for Seagate Technology (STX)
According to Seagate Technology's latest reported financial statements, the company's latest reported market cap is $65.27B USD. Market capitalization is the total dollar value of all outstanding shares — shares outstanding × stock price — and the standard measure of a company's equity value. On this page, historical market cap snaps filing-period share counts to closing prices on or before each statement date (not intraday tick data).
Headline figure above is from the reporting period ending (reported ). Chart and table below cover the full reported history back to .
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Latest period
$65.27B
YoY change
+375.8%
5Y CAGR
+46.9%
Peak year (2026)
$146.03B
Latest annual
$146.03B
Market Cap history chart for Seagate Technology (STX) from 2003 to 2026
Market Cap history table for Seagate Technology (STX) from 2003 to 2026
| Fiscal year | Period ended | Reported | Market Cap | YoY |
|---|---|---|---|---|
| 2026 | $146.03B | +375.8% | ||
| 2025 | $30.69B | +40.2% | ||
| 2024 | $21.89B | +70.9% | ||
| 2023 | $12.81B | -17.2% | ||
| 2022 | $15.48B | -27.4% | ||
| 2021 | $21.32B | +70.0% | ||
| 2020 | $12.55B | -6.6% | ||
| 2019 | $13.43B | -18.6% | ||
| 2018 | $16.49B | +42.3% | ||
| 2017 | $11.59B | +57.5% | ||
| 2016 | $7.36B | -53.2% | ||
| 2015 | $15.72B | -20.3% | ||
| 2014 | $19.72B | +15.1% | ||
| 2013 | $17.13B | +57.0% | ||
| 2012 | $10.91B | +44.5% | ||
| 2011 | $7.55B | +12.6% | ||
| 2010 | $6.70B | +31.3% | ||
| 2009 | $5.10B | -50.4% | ||
| 2008 | $10.29B | -19.5% | ||
| 2007 | $12.78B | +7.7% | ||
| 2006 | $11.86B | +34.7% | ||
| 2005 | $8.81B | +22.6% | ||
| 2004 | $7.19B | -13.4% | ||
| 2003 | $8.30B | — |
Market Cap values are taken from Seagate Technology's reported income statements (10-Q quarterly and 10-K annual filings with the U.S. Securities and Exchange Commission). Each row shows the period end date and the date the filing was reported; YoY compares each figure to the same period one year earlier. Amounts are in USD as filed.
Analysis
2026's annual market cap for Seagate Technology (STX) came in at $146.03B – surged 375.8% year-over-year.
Through 2021–2026 (5 years), Seagate Technology market cap delivered a +46.9% annualised rate; sustaining 3 straight years of year-over-year growth.
$146.03B stands as the all-time-high annual market cap, posted in 2026, against a low of $5.10B during 2009.
Within Technology, Seagate Technology (STX) ranks 9th among 8 peers we track. The peer median for market cap is $1.96T.
Seagate Technology Market Cap by Year
Seagate Technology Market Cap 2026: $146.03B
Seagate Technology market cap in 2026 was $146.03B, surged 375.8% from 2025. This figure represents the highest annual value in the available history.
Seagate Technology Market Cap 2025: $30.69B
Seagate Technology market cap in 2025 was $30.69B, surged 40.2% from 2024.
Seagate Technology Market Cap 2024: $21.89B
Seagate Technology market cap in 2024 was $21.89B, surged 70.9% from 2023.
Seagate Technology Market Cap 2023: $12.81B
Seagate Technology market cap in 2023 was $12.81B, declined 17.2% below 2022.
Seagate Technology Market Cap 2022: $15.48B
Seagate Technology market cap in 2022 was $15.48B.
See more financial history for Seagate Technology (STX).
Sector peers — Market Cap
Companies in the same sector as Seagate Technology, ranked by their latest market cap.
| Company | Market Cap | Sector |
|---|---|---|
| NVIDIA Corporation (NVDA) | $5.18T | Technology |
| Apple Inc. (AAPL) | $3.98T | Technology |
| Microsoft Corporation (MSFT) | $3.15T | Technology |
| Taiwan Semiconductor Manufacturing Company Limited (TSM) | $2.03T | Technology |
| Broadcom Inc. (AVGO) | $1.89T | Technology |
| Micron Technology, Inc. (MU) | $568.70B | Technology |
| ASML Holding N.V. (ASML) | $533.63B | Technology |
| Advanced Micro Devices, Inc. (AMD) | $522.87B | Technology |
Frequently asked questions
What is Seagate Technology's market cap?
- Latest reported market cap for Seagate Technology (STX) is $65.27B (period ending January 2, 2026).
How has Seagate Technology market cap changed year-over-year?
- Seagate Technology (STX) market cap changed +375.8% year-over-year on the latest annual filing.
What is the long-term growth rate of Seagate Technology market cap?
- Seagate Technology (STX) market cap compound annual growth rate is +46.9% over the most recent 5 years available.
When did Seagate Technology market cap hit its highest annual value?
- Seagate Technology market cap reached its highest annual value of $146.03B in 2026.
What was Seagate Technology market cap in 2025?
- Seagate Technology (STX) market cap in 2025 was $30.69B.
What was Seagate Technology market cap in 2026?
- Seagate Technology (STX) market cap in 2026 was $146.03B.
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