Seagate Technology market cap STX

Share price times shares outstanding: what the whole company sells for, since 2010.

Seagate Technology is worth $142.9B at the close on Oct 23, 2026, at $630.49 a share.

That is up 187% over the last year and up 621% over five years.

Its highest close in our data was $240B in Jun 2026.

Market cap over time

Year	End of year	Low	High	Change
2026 so far	$142.9B	$61.4B	$240B	+134%
2025	$61.1B	$14.1B	$63.3B	+231%
2024	$18.5B	$16.8B	$23.6B	+4%
2023	$17.9B	$11.5B	$17.9B	+64%
2022	$10.9B	$10.4B	$24.7B	−57%
2021	$25.2B	$15.2B	$25.2B	+57%
2020	$16B	$10.6B	$16.6B	+2%
2019	$15.7B	$10.9B	$15.7B	+43%
2018	$11B	$10.4B	$17.3B	−9%
2017	$12.1B	$9.1B	$14.5B	+8%
2016	$11.2B	$5.7B	$11.6B	+3%
2015	$11B	$9.9B	$21.7B	−51%
2014	$22.5B	$16.2B	$22.5B	+24%
2013	$18.2B	$11.4B	$18.2B	+53%
2012	$11.9B	$7.7B	$14.2B	+73%
2011	$6.9B	$4.2B	$8.2B	−3%
2010	$7.1B	$6.6B	$7.2B	n/a

Companies in Computer Hardware nearest Seagate Technology's size, closest first, today.

Company	Market cap
STXSeagate Technology	$142.9B
WDCWestern Digital	$123.9B
SNDKSandisk	$181.3B
ANETArista Networks	$217.4B
HPEHewlett Packard Enterprise	$75.3B
DELLDell Technologies	$290.2B
NTAPNetApp	$42.3B
PEverpure	$41.1B
HPQHP	$30.3B
SMCISuper Micro Computer	$21.6B
LOGILogitech International	$15.7B
Peer median	$58.8B