u/Wooden_Fondant_703 ·
Reddit — r/ValueInvesting
· June 07, 2026 at 17:12
· ⬆ 16 pts
· 💬 9 comments
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AI Summary
Summary
The post analyzes SanDisk's (SNDK) +1200% surge driven by AI buildout, SSD industry cyclicality, and a shift to high-margin enterprise SSDs. The author holds a small position based on a trusted stock picker's inclusion.
The thesis centers on guaranteed SSD shortage until 2028 protecting SNDK's 78% gross margins, but also warns that 95% of current market cap prices in a risky decommoditization that may not materialize.
Quality assessment: Well-researched DD with industry-specific insights (oligopoly, fixed costs), but the author acknowledges it’s a “too hard” case and relies partly on third-party conviction.
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SNDK is recently added to a premium stock picking service. I did lots of research to understand the business, the industry, and the AI buildout that trigger everything. I turned my research in the attached notes and would like to learn your feedback and opinion on SNDK. (I had \~1% of portfolio on it.)
I think understanding the peculiarities of the SSD industry under the AI buildout backdrop is the core to build any thesis for SNDK. It's much more relevant that SNDK's own operation. Core findings:
* The SSD is haunted by the cyclic nature, maybe more severely than other Semi-conductor industries because of it's very high fixed cost relative to marginal variable cost to make bits.
* The SSD industry is a oligopoly due to high entry barriers from capital requirement and engineering challenges.
* SNDK's recent revenue shoot up is purely driving my price mark up and moving to higher margin enterprise SSD. Their Q2 gross margin is **78%!** This is unlikely to sustain after the SSD shortage ease.
* **95%** of SNDK's current market cap is pricing in the decommoditization of enterprise SSD and SNDK's pulling up in the competition from 5th market share. It's a long shot though mathematically possible. It's stock price is magnifies the volatility of market consensus on AI capex.
* Such decommoditization has happened before: TSMC did just that through Apple's iPhone era. But it's clearly a uphill battle. Most of Apple's suppliers stay commodity suppliers.
* SNDK's tools are shortage ensured by the shortage AI buildout until 2028, its NBMs contracts, and the opportunities from new AI tech restructuring SSD's role in the stack.
Personally, I hold because of the stock picker service I trust added a position. If it's up to me, it clearly belongs to the "too hard" class. But like the simulation in my post, there can still be upside, depending on how AI buildout progress after 2028. Before then, the shortage is guaranteed and SNDK's crazy gross margin is protected.