SanDisk Jumps 15% as Bloomberg 500 Inclusion Meets a NAND Shortage That Won't Quit

Bloomberg 500 and the Passive Bid

Bloomberg Indices announced on March 7 that SanDisk Corporation (SNDK) will enter the Bloomberg 500 Index effective prior to the open on Thursday, March 12, 2026. SNDK was one of eleven securities added in the March reconstitution, and technology was the most represented sector among the new additions.

Index inclusion is a mechanical catalyst. Funds benchmarked to the B500 must buy shares before the effective date, creating a predictable passive bid that front-runners have been positioning around since the announcement. That forced buying landed on a stock with a relatively thin float — Western Digital still holds a significant stake and sold 5.82 million shares at $545 in a secondary offering in February, which briefly dipped the price 2.2% but also reduced overhang.

The timing matters. SNDK had just sold off with the rest of the memory sector on March 3, dropping nearly 7% alongside Micron (-7%), SK Hynix (-11.5%), and Samsung (-9.9%) on rising energy price concerns. The index inclusion announcement gave sidelined buyers a reason to step back in at lower levels.

The NAND Shortage Is the Real Story

The index add is the proximate catalyst, but the reason SNDK is in the Bloomberg 500 at all is the AI-driven NAND flash supercycle. The stock is up roughly 1,290% over the past year following its 2025 spin-off from Western Digital.

The numbers are striking. In Q2 fiscal 2026 (ending January), SanDisk reported revenue of $3.03 billion, a 61% year-over-year increase. Non-GAAP EPS came in at $6.20, crushing the $3.54 consensus by 75%. Gross margin hit 51.1%. Free cash flow was $980 million, up nearly 2,000% year-over-year.

The pricing environment is extraordinary. Enterprise SSD contract prices are doubling quarter-over-quarter as hyperscalers compete for limited NAND supply. TrendForce estimates broader NAND flash contract prices jumped 55-60% in Q1 2026 alone. Nvidia CEO Jensen Huang has called memory and storage the "largest unserved market" in AI, arguing that GPUs are useless without massive high-speed storage for training, inference, and deployment.

Manufacturing capacity is sold out. Hyperscale customers are locking in multi-year supply agreements, and the shortage is now expected to persist through 2028. Q3 guidance reflects this: management projected revenue of $4.4-4.8 billion with EPS of $12-14 and gross margins of 65-67%.

The Setup From Here

The bull case writes itself — sold-out capacity, doubling prices, and a shortage with no end in sight — but there are signals worth watching on the other side.

Billionaire Stanley Druckenmiller sold his SanDisk position as disclosed in filings reported March 7. That is notable not because Druckenmiller is always right, but because he was an early holder and his exit suggests he sees the easy money as made. At $590, SNDK trades at roughly 10x the Q3 midpoint EPS annualized — cheap if the supercycle holds, but memory cycles have a habit of turning faster than anyone expects.

The March 3 energy-price selloff is also worth keeping in context. NAND fabrication is energy-intensive, and rising input costs compress margins even when ASPs are climbing. If energy prices stay elevated, the 65-67% gross margin target for Q3 could face pressure.

Fourteen analysts currently rate SNDK a buy with zero sells and a consensus price target implying roughly 23% upside from current levels. The next major data point is the Q3 earnings report, which will test whether the guidance — which implies a near-doubling of EPS from Q2 — is achievable or aspirational.

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