SanDisk Corp. has demonstrated a textbook case of value reassessment. The flash memory chip company, which spun off from Western Digital just last year, has now surpassed its former parent in market capitalization by over $40 billion.
As of Tuesday's close, SanDisk's market value reached $208.26 billion, breaking the $200 billion mark for the first time, while Western Digital stood at $160.37 billion. Since the spinoff in February last year, SanDisk's stock has surged by 2794%, compared to Western Digital's 849% gain. The explosive growth in AI-driven storage demand, coupled with persistent supply shortages, has been the core driver behind both companies' substantial valuation increases.
At the time of the separation, Western Digital's market capitalization was approximately $17 billion, with SanDisk valued at around $7 billion. Within just over a year, both companies have achieved dramatic market cap expansion, though SanDisk's ascent has been more aggressive, resulting in a complete overtaking of its former parent.
The spinoff rationale has materialized, with flash memory business value receiving market reassessment. Western Digital spun off SanDisk in February last year with the original intention of separating flash memory and hard disk drive businesses, allowing each to achieve more accurate market pricing.
SanDisk specializes in NAND flash products, which face higher market volatility. Previously operating as part of a diversified conglomerate, its growth potential was somewhat undervalued. Following its independent listing, accelerated AI infrastructure development has driven sharp increases in demand for flash memory products, leading to a repricing of SanDisk's valuation logic.
SanDisk's current market capitalization now places it among prominent U.S. corporations. According to Dow Jones Market Data, companies with similar market values include McDonald's (approximately $203 billion), Verizon Communications (around $198 billion), and PepsiCo (about $212 billion).
AI demand and supply shortages jointly support the high-price system. The storage industry's rare combination of volume growth and price increases has propelled the valuation surge for both SanDisk and Western Digital.
Large-scale artificial intelligence deployments have significantly boosted demand for both flash memory and hard disk products. SanDisk, Western Digital, and peers like Micron Technology and Seagate Technology have substantially raised product prices accordingly. Meanwhile, supply shortages are expected to persist for several months or even years, providing sustained support for elevated pricing.
New business model reduces cyclical volatility and enhances profit visibility. SanDisk disclosed last week that it is transitioning to a "multi-year customer agreement" business model, requiring customers to provide clear financial commitments to improve profit stability and reduce cyclical fluctuations.
The company completed three customer agreements last quarter and added two more in the current quarter ending in June.
Jefferies analyst Blayne Curtis noted in a Friday research report that the new model provides clearer business visibility for SanDisk and investors. He stated that the three agreements signed last quarter "represent minimum value" of $42 billion, with potential for "substantial" growth as storage supplies remain tight. He also indicated these agreements serve as "strong signals that hyperscale cloud customers are willing to sign contracts at premium prices."
Bernstein analyst Mark Newman believes long-term agreements contribute to "long-term stability," with reduced cyclicity delivering "considerable economic benefits over extended timeframes" rather than just single-quarter performance.
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