What is WDC's market cap?

$149.73B, based on the Oct 2 close of $415.29.

What is WDC's P/E ratio?

16.1× trailing-twelve-month earnings of $9.33B.

Does Western Digital pay a dividend?

Yes. The latest regular dividend was $0.15 per share (ex-date Sep 8), an annualised yield of 0.14%.

How much of WDC is sold short?

17.3M shares, 4.8% of float, as of Sep 15, 2026.

What sector is WDC in?

Technology, in the Computer Storage Devices industry.

NASDAQ · WDCTechnologyComputer Storage Devices

Western Digital Corp. (WDC)

$415.29−10.22%

Close Oct 2, 2026 · split-adjusted

Oct 2, 2026$415.29▲ 231.49% in range

Oct 6, 2025Low $113.13 · High $746.23Oct 2, 2026

What changed · written from our data

As of Oct 2, 2026

Western Digital closed at $415.29 on Oct 2, down 10.22%, 44.3% below its 52-week closing high. Volume of 24.8M shares was 3.65× its 20-day average (well above normal).

Split-adjusted performance: -7.5% over one month, +40.8% over six months, +218.0% over one year.

In the quarter ended Jul 3, 2026, revenue was $3.75B, up 43.8% from a year earlier, with a net margin of 84.9%.

Short interest was 17.3M shares at the Sep 15 settlement, down 13.1% from the prior report (4.8% of float, 3.1 days to cover).

Market cap$149.73B360.5M shares

Revenue · quarter$3.75B+43.8% YoY

Diluted EPS$8.20+993.3% YoY

P/E · TTM16.1×P/S 11.6×

Net margin84.9%Gross 54.1%

Dividend yield0.14%$0.15 last paid

52-week range113.13 – 746.23−44.3% from high

Volume24.8M3.65× 20-day avg

Volatility · 60d79.7%Annualised

Short % of float4.8%3.1 days to cover

Net cash$527.0MCash $1.58B

Next earnings—Not scheduled

Split-adjusted performance

1W −9.1%1M −7.5%3M −28.1%6M +40.8%YTD +141.1%1Y +218.0%3Y +832.0%5Y +616.8%

Earnings reactions

History →

No reported quarters with price history yet.

Rank within Computer Storage Devices

Percentile among 6 companies (100 = best)

6-month momentum—

Revenue growth—

Net margin—

Value (low P/E)—

Size—

Industry medians: 6-month return +118.9%, revenue growth +43.8%, net margin 27.1%, P/E 26.7×.

Short interest

Details →

Shares short17.3M−13.1% vs prior

Days to cover3.1Settled Sep 15

% of float4.8%

Short vol. 10d45.1%of daily volume

Closest peers by size in Computer Storage Devices

Company	Price	Today	6M	Rev. growth	Net margin	P/E	Mkt cap
WDCWestern Digital	$415.29	−10.22%	+40.8%	+43.8%	84.9%	16.1	$149.73B
STXSeagate Technology Holdings	$848.99	−10.21%	+97.7%	+48.5%	35.7%	60.6	$193.05B	Compare
SNDKSandisk	$1,719.99	−3.79%	+145.2%	+371.6%	77.0%	22.0	$251.84B	Compare
PEverpure	$140.14	+4.48%	—	—	6.3%	—	$46.70B	Compare
NTAPNetApp	$226.27	+5.22%	+118.9%	+29.9%	18.5%	31.3	$44.44B	Compare
QMCOQuantum	$34.50	+8.20%	+507.4%	+25.7%	−192.2%	—	$1.36B	Compare

News about Western Digital

All news →

Western Digital vs. Seagate: Which Is the Better AI Infrastructure Stock to Own for the Next 5 Years?The Motley Fool · 18h ago▲ Positive Western Digital (WDC) Stock Sinks As Market Gains: Here's WhyZacks Investment Research · 2d ago▲ Positive Why Western Digital Stock Just CrashedThe Motley Fool · 2d ago▼ Negative Western Digital (WDC) Exceeds Market Returns: Some Facts to ConsiderZacks Investment Research · 3d ago▲ Positive SMCI or WDC: Which Is the Better Value Stock Right Now?Zacks Investment Research · 3d agoNeutral

Quick answers

What does Western Digital do?: Western Digital is a leading vertically integrated supplier of hard disk drives. The HDD market is a practical duopoly, with Western Digital and Seagate being the two largest players.
What is WDC's market cap?: $149.73B, based on the Oct 2 close of $415.29.
What is WDC's P/E ratio?: 16.1× trailing-twelve-month earnings of $9.33B.
Does Western Digital pay a dividend?: Yes. The latest regular dividend was $0.15 per share (ex-date Sep 8), an annualised yield of 0.14%.
How much of WDC is sold short?: 17.3M shares, 4.8% of float, as of Sep 15, 2026.
What sector is WDC in?: Technology, in the Computer Storage Devices industry.

About Western Digital

Western Digital is a leading vertically integrated supplier of hard disk drives. The HDD market is a practical duopoly, with Western Digital and Seagate being the two largest players. Western Digital designs and manufactures its HDDs, with much of the manufacturing and workforce located in Asia. The primary consumers of HDDs are data centers.

HQ: San Jose, CA40,000 employeesListed Oct 31, 1978westerndigital.com

Sources: Massive / Polygon daily aggregates (split-adjusted) · SEC filings via Massive · FINRA settlements via Massive · Financial Modeling Prep. Figures are dated where shown; research is informational, not investment advice. Methodology