BLK vs WDC: Which Is the Better Buy?

Side-by-side comparison of BlackRock, Inc. and Western Digital Corporation โ€” fair value, conviction, valuation metrics, and QuantHub research signals. Updated 2026-08-06.
BlackRock, Inc. ยท Financial Services
$1,025.44
+31.0% upside to fair value
Grade A High Quality
VS
Western Digital Corporation ยท Technology
$519.17
-28.7% upside to fair value
Med Conviction Grade C+
QuantHub Verdict
BLK has more upside to fair value (+31.0%). BLK trades at a lower forward P/E (24.2x). These are model outputs โ€” not personalized investment advice. See all research โ†’
Valuation & Fundamentals
Metric BLK WDC
Current Price $1,025.44 $519.17
Fair Value Estimate $1,343.02 $370.00
Upside to Fair Value +31.0% -28.7%
Market Cap $158.9B $178.9B
Forward P/E 24.2x 27.8x
EV / EBITDA 16.0x 37.3x
Price / Sales 5.8x 13.9x
Price / FCF 44.6x 51.0x
Revenue Growth YoY +30.6% +35.7%
Gross Margin 54.6% 48.9%
Operating Margin 32.9% 34.9%
Return on Equity 12.5% 43.4%
Dividend Yield 0% 0.1%
FCF Yield 2.24% 2.0%
Analyst Consensus Strong Buy Buy
Investment Thesis
BLK โ€” BlackRock, Inc.
BlackRock, Inc. is a leading global asset management firm operating within the financial services sector, specializing in investment management and risk advisory. The company demonstrates high business quality with a durable competitive moat supported by strong brand recognition, intangible assets, and switching costs. It reported robust growth in the most recent quarter with revenue up 30.6% yeaโ€ฆ
WDC โ€” Western Digital Corporation
Western Digital is now a pure-play, duopoly hard-disk-drive manufacturer, having spun off its NAND flash business as SanDisk in February 2025 and sold its remaining SanDisk stake for $3.1 billion in February 2026. It is riding the same AI-storage supercycle as SanDisk and Micron, but from the mass-capacity nearline HDD side: hyperscalers are buying every high-capacity drive WDC can make for AI daโ€ฆ
Accumulation Zones
Metric BLK WDC
Zone Low $1,007.26 $278.00
Zone High $1,141.57 $315.00
In Buy Zone? Yes No
โ† BLK Research    WDC Research โ†’    All Research