WESTERN DIGITAL CORP (WDC)

Computer Storage Devices

Latest Price

$426.94

TTM P/E

Normalized P/E

113.76

Div Yield

0.12%

Book Value

28.22

P/B Ratio

15.13

Valuation metrics

EPS: $24.28

Book value / share: $24.55

Formula: √(22.5 × EPS × BVPS)

Graham Number

$115.82

73% downside

Norm. op. income: $1.2B (median of 7yr)

Tax rate: 11%

Discount rate: 10%

Growth assumption: zero (EPV is a no-growth value)

Earnings Power Value

$31.39

93% downside

Base FCF: $1.3B (median of recent 5yr)

Growth: 25%/yr (median YOY, capped at 25%)

Discount rate: 10%

Terminal growth: 3%

Projection horizon: 10 years

DCF Fair Value

$265.13

38% downside

EPS: $24.28

Target P/E: 15×

Formula: EPS × P/E

P/E Fair Value

$364.20

15% downside

97.4% held by institutions

Institution	Shares	Value	Ownership %	Change	Filing Date
BlackRock, Inc.	32.95M	$21.05B	9.13%	-2.82M	2026-06-30
FMR LLC	25.98M	$16.60B	7.20%	-5.64M	2026-06-30
VANGUARD CAPITAL MANAGEMENT LLC	22.51M	$14.38B	6.24%	+475.9K	2026-06-30
JPMORGAN CHASE & CO	17.01M	$11.09B	4.71%	+2.71M	2026-06-30
Capital World Investors	16.60M	$10.60B	4.60%	+4.72M	2026-06-30
STATE STREET CORP	16.28M	$10.40B	4.51%	+810.8K	2026-06-30
Invesco Ltd.	14.46M	$9.23B	4.00%	+8.89M	2026-06-30
VANGUARD PORTFOLIO MANAGEMENT LLC	13.11M	$8.37B	3.63%	-4.06M	2026-06-30
JANE STREET GROUP, LLC	12.78M	$8.16B	3.54%	+4.57M	2026-06-30
CITADEL ADVISORS LLC	8.76M	$5.59B	2.43%	+2.91M	2026-06-30