Seagate Technology PLC Market Cap ($146.57 Billion)

$146.57 Billion USD  · Rank #160

Market Cap & Net Worth: Seagate Technology PLC (STX)

Seagate Technology PLC market cap. Seagate Technology PLC (NASDAQ:STX) has a market capitalization of $146.57 Billion ($146.57 Billion) as of November 1, 2026. Listed on the NASDAQ stock exchange, this USA-based company holds position #160 globally and #90 in its home market, demonstrating a 0.38% increase in market value over the past year.

Market capitalization, also known as net worth in stock markets, is calculated by multiplying Seagate Technology PLC's stock price $644.58 by its total outstanding shares 227393014 (227.39 Million). Also see cash efficiency ratio of Seagate Technology PLC for how efficiently the company converts equity into cash flow.

Seagate Technology PLC Market Cap History (2015–2026)

Seagate Technology PLC market cap history from 2015 to 2026. Data shows growth from $5.37 Billion to $146.57 Billion (34.44% CAGR). Check Seagate Technology PLC stock quote for real-time trading data and today's change.

Index Memberships

Seagate Technology PLC is a constituent of 2 market indices:

Index Total Market Cap Weight (%) Rank by Market Cap
S&P 500 Index
GSPC
$61.47 Trillion 0.03% #72 of 503
NASDAQ Composite
IXIC
$40.09 Trillion 0.37% #33 of 3165

Weight: Seagate Technology PLC's market cap as a percentage of total index value. Rank: Position among all constituents by market cap.

Seagate Technology PLC Market Cap to Earnings & Revenue Ratios Timeline

This chart shows how Seagate Technology PLC's valuation ratios have evolved. The Price to Sales (P/S) ratio compares market cap to revenue, while the Price to Earnings (P/E) ratio compares market cap to net income. Lower values may indicate a more undervalued company relative to its financial performance. Explore STX year-over-year net asset growth to track how rapidly the company is growing its equity base year over year.

Latest Price to Sales (P/S) Ratio

12.02x

Seagate Technology PLC's market cap is 12.02 times its annual revenue

Industry average: 321.34x Lower than industry average

Latest Price to Earnings (P/E) Ratio

46.03x

Seagate Technology PLC's market cap is 46.03 times its annual earnings

Industry average: 5.24x Higher than industry average

What These Ratios Tell Investors:

  • Price to Sales (P/S) Ratio: Shows how much investors are paying for each dollar of the company's sales. Lower P/S ratios may indicate undervaluation.
  • Price to Earnings (P/E) Ratio: Shows how much investors are paying for each dollar of the company's earnings. This is one of the most common valuation metrics.
  • Trends in these ratios over time can indicate changing investor sentiment about the company's future growth prospects.
  • Industry comparison provides context for whether the company is valued higher or lower than peers.
Year Market Cap (USD) Revenue (USD) Net Income (USD) P/S Ratio P/E Ratio
2017 $7.11 Billion $10.77 Billion $772.00 Million 0.66x 9.21x
2018 $6.90 Billion $11.18 Billion $1.18 Billion 0.62x 5.84x
2019 $11.19 Billion $10.39 Billion $2.01 Billion 1.08x 5.56x
2020 $12.33 Billion $10.51 Billion $1.00 Billion 1.17x 12.28x
2021 $23.11 Billion $10.68 Billion $1.31 Billion 2.16x 17.59x
2022 $11.23 Billion $11.66 Billion $1.65 Billion 0.96x 6.81x
2023 $19.00 Billion $7.38 Billion -$529.00 Million 2.57x N/A
2024 $19.63 Billion $6.55 Billion $335.00 Million 3.00x 58.59x
2025 $62.62 Billion $9.10 Billion $1.47 Billion 6.88x 42.63x
2026 $146.57 Billion $12.20 Billion $3.18 Billion 12.02x 46.03x

Competitor Companies of STX by Market Capitalization

Companies near Seagate Technology PLC in the global market cap rankings as of November 1, 2026. Also see Seagate Technology PLC total assets for a full breakdown of the balance sheet.

Key companies related to Seagate Technology PLC by market ranking:

  • Arista Networks (NYSE:ANET): Ranked #130 globally with a market cap of $171.79 Billion USD.
  • Western Digital Corporation (NASDAQ:WDC): Ranked #177 globally with a market cap of $132.00 Billion USD.
  • Sandisk Corp (NASDAQ:SNDK): Ranked #281 globally with a market cap of $92.46 Billion USD.
  • Dell Technologies Inc (NYSE:DELL): Ranked #355 globally with a market cap of $78.74 Billion USD.
Market capitalization comparison (in billions USD)
Rank Company Symbol Market Cap Price
#130 Arista Networks NYSE:ANET $171.79 Billion $168.86
#177 Western Digital Corporation NASDAQ:WDC $132.00 Billion $366.11
#281 Sandisk Corp NASDAQ:SNDK $92.46 Billion $1150.89
#355 Dell Technologies Inc NYSE:DELL $78.74 Billion $424.30

Market Capitalization of Seagate Technology PLC (2015–2026)

Market capitalization of Seagate Technology PLC from 2015 to today. Between 2015 and today, Seagate Technology PLC's market cap moved from $5.37 Billion to $ 146.57 Billion, with a yearly change of 34.44%.

Year Market Cap Change (%)
2026 $146.57 Billion +134.06%
2025 $62.62 Billion +219.07%
2024 $19.63 Billion +3.32%
2023 $19.00 Billion +69.17%
2022 $11.23 Billion -51.42%
2021 $23.11 Billion +87.50%
2020 $12.33 Billion +10.14%
2019 $11.19 Billion +62.14%
2018 $6.90 Billion -2.90%
2017 $7.11 Billion +16.67%
2016 $6.09 Billion +13.41%
2015 $5.37 Billion --

End of Day Market Cap According to Different Sources

On Oct 31st, 2026 the market cap of Seagate Technology PLC was reported to be:

Source Market Cap
Yahoo Finance $146.57 Billion USD
MoneyControl $146.57 Billion USD
MarketWatch $146.57 Billion USD
marketcap.company $146.57 Billion USD
Reuters $146.57 Billion USD

Market cap values may vary slightly between sources due to differences in calculation methods, timing, and data refresh rates.

About Seagate Technology PLC

NASDAQ:STX USA Computer Hardware
Market Cap
$146.57 Billion
Market Cap Rank
#160 Global
#90 in USA
Share Price
$644.58
Change (1 day)
-7.98%
52-Week Range
$237.49 - $1094.04
All Time High
$1094.04
About

Seagate Technology Holdings plc engages in providing data storage solutions in Singapore, the United States, the Netherlands, and internationally. The company offers External and internal hard drives; external and internal solid-state drives (SSDs); enterprise hard drives and SSDs; data storage systems; network attached storage (NAS) hard drives; video and analytics hard drives; and hyperscale an… Read more