Last refreshed: September 4, 2026 (US ET)
Back to holdings

SNDK

Growth

SANDISK CORP.

Information Technology·Technology Hardware, Storage & Peripherals

Sandisk Corporation develops, manufactures, and sells data storage devices and solutions using NAND flash technology in the United States, Europe, the Middle East, Africa, Asia, and internationally. The company offers solid state drives for desktop and notebook PCs, gaming consoles, and set top boxes; and flash-based embedded storage products for mobile phones, tablets, notebook PCs and other portable and wearable devices, automotive applications, Internet of Things, industrial, and connected home applications, as well as removable cards, universal serial bus drives, and wafers and components. It sells its products to computer manufacturers and original equipment manufacturers, datacenters, private cloud customers, cloud service providers, resellers, distributors, and retailers through its sales personnel, dealers, distributors, retailers, and subsidiaries.

Close · 3M

+57.09%

SNDK · 3M

+57.09%

Pinch / wheel to zoom · drag to pan · double-tap to reset

Held by 6 AI ETFs

AIUP15.020%

as of Sep 2

LQAI3.670%

as of Sep 2

BUZZ3.150%

as of Sep 2

AMOM2.620%

as of Sep 2

AIVL0.276%

as of Sep 3

PQUS0.230%

as of Sep 1

Signal performance

Each tracked ETF's moves on this stock, grouped by fund. Returns are measured from the signal date to the latest close — hypothetical, no commissions or slippage.

Buy signals16
Win rate31% (5/16)
Avg buy return-0.57%
AIUPnow 15.020% of fund7 signals

AIUP · Accumulation · 5d

weight 4.580% → 14.770% (+10.190 pp)·stock up 19.3% in the 30 days before

Sep 1·entry $1536.87·now $1554.99Fresh

+1.18%
since Sep 1

AIUP · Accumulation · 5d

weight 4.270% → 4.730% (+0.460 pp)·stock up 29.0% in the 30 days before

Aug 31·entry $1566.70·now $1554.99Fresh

-0.75%
since Aug 31

AIUP · Accumulation · 5d

weight 4.180% → 4.520% (+0.340 pp)·stock up 16.0% in the 30 days before

Aug 28·entry $1484.98·now $1554.99Drifting

+4.71%
since Aug 28

AIUP · Weight increase · 3d

weight 4.180% → 4.680% (+0.500 pp)·stock up 3.9% in the 30 days before

Aug 24·entry $1493.12·now $1554.99Drifting

+4.14%
since Aug 24

AIUP · Weight increase · 2d

weight 4.180% → 4.580% (+0.400 pp)·stock down 0.9% in the 30 days before

Aug 21·entry $1596.08·now $1554.99Fresh

-2.57%
since Aug 21

AIUP · Weight decrease · 3d

stock down 1.3% in the 30 days before

Aug 19·entry $1568.87·now $1554.99

-0.88%
since Aug 19

AIUP · Weight decrease · 2d

stock up 16.9% in the 30 days before

Aug 18·entry $1625.78·now $1554.99

-4.35%
since Aug 18
LQAInow 3.670% of fund7 signals

LQAI · Sudden change · 1d

weight 5.070% → 3.670% (-1.400 pp)·stock up 19.3% in the 30 days before

Sep 1·entry $1536.87·now $1554.99

+1.18%
since Sep 1

LQAI · Weight increase · 2d

weight 4.790% → 5.070% (+0.280 pp)·stock up 29.0% in the 30 days before

Aug 31·entry $1566.70·now $1554.99Fresh

-0.75%
since Aug 31

LQAI · Weight decrease · 3d

weight 5.160% → 4.790% (-0.370 pp)·stock up 15.8% in the 30 days before

Aug 25·entry $1480.77·now $1554.99

+5.01%
since Aug 25

LQAI · Weight decrease · 2d

weight 5.160% → 4.860% (-0.300 pp)·stock up 3.9% in the 30 days before

Aug 24·entry $1493.12·now $1554.99

+4.14%
since Aug 24

LQAI · Accumulation · 5d

weight 4.140% → 5.160% (+1.020 pp)·stock up 0.1% in the 30 days before

Aug 20·entry $1600.62·now $1554.99Fresh

-2.85%
since Aug 20

LQAI · Accumulation · 5d

stock down 1.3% in the 30 days before

Aug 19·entry $1568.87·now $1554.99Fresh

-0.88%
since Aug 19

LQAI · Accumulation · 6d

stock up 16.9% in the 30 days before

Aug 18·entry $1625.78·now $1554.99Fresh

-4.35%
since Aug 18
BUZZnow 3.150% of fund6 signals

BUZZ · Weight increase · 3d

weight 2.930% → 3.160% (+0.230 pp)·stock up 19.3% in the 30 days before

Sep 1·entry $1536.87·now $1554.99Fresh

+1.18%
since Sep 1

BUZZ · Weight increase · 2d

weight 2.930% → 3.150% (+0.220 pp)·stock up 29.0% in the 30 days before

Aug 31·entry $1566.70·now $1554.99Fresh

-0.75%
since Aug 31

BUZZ · Weight decrease · 3d

weight 3.230% → 2.950% (-0.280 pp)·stock up 15.8% in the 30 days before

Aug 25·entry $1480.77·now $1554.99

+5.01%
since Aug 25

BUZZ · Weight decrease · 2d

weight 3.230% → 3.050% (-0.180 pp)·stock up 3.9% in the 30 days before

Aug 24·entry $1493.12·now $1554.99

+4.14%
since Aug 24

BUZZ · Accumulation · 5d

stock up 0.1% in the 30 days before

Aug 20·entry $1600.62·now $1554.99Fresh

-2.85%
since Aug 20

BUZZ · Accumulation · 5d

stock down 1.3% in the 30 days before

Aug 19·entry $1568.87·now $1554.99Fresh

-0.88%
since Aug 19
AMOMnow 2.620% of fund1 signal

AMOM · New entry · 1d

weight 0 → 2.620% (new)·stock up 8.8% in the 30 days before

Sep 2·entry $1553.40·now $1554.99Fresh

+0.10%
since Sep 2
AIVLnow 0.276% of fund4 signals

AIVL · Weight decrease · 3d

weight 0.302% → 0.279% (-0.023 pp)·stock up 15.8% in the 30 days before

Aug 25·entry $1480.77·now $1554.99

+5.01%
since Aug 25

AIVL · Weight decrease · 2d

weight 0.302% → 0.281% (-0.021 pp)·stock up 3.9% in the 30 days before

Aug 24·entry $1493.12·now $1554.99

+4.14%
since Aug 24

AIVL · Accumulation · 5d

stock up 0.1% in the 30 days before

Aug 20·entry $1600.62·now $1554.99Fresh

-2.85%
since Aug 20

AIVL · Accumulation · 5d

stock down 1.3% in the 30 days before

Aug 19·entry $1568.87·now $1554.99Fresh

-0.88%
since Aug 19
PQUSnow 0.230% of fund1 signal

PQUS · Weight decrease · 2d

weight 0.190% → 0.170% (-0.020 pp)·stock up 46.2% in the 30 days before

Aug 27·entry $1484.95·now $1554.99

+4.72%
since Aug 27

Sell signals show what the stock did after the AI exited. A negative number means the AI's exit was well-timed.

Buffett-style framework

Too hard to callas of Aug 16

The AI ETFs, LQAI, BUZZ, AIVL, and PQUS, have shown significant recent activity in SNDK, primarily through gradual and sudden accumulations, indicating a positive outlook or momentum-driven buying. In contrast, a Buffett-style value investing framework identifies SNDK as "Too Hard" to analyze, given the inherent unpredictability of its industry's unit economics over a long-term horizon. This divergence highlights a fundamental difference in investment approach: the AI ETFs are actively engaging with a company deemed unsuitable for long-term, predictable cash flow analysis under this framework.

  • Circle of CompetenceThe highly dynamic nature and rapid technological obsolescence within the technology hardware and storage industry make long-term cash flow projections and unit economics genuinely unpredictable, thus falling outside the circle of competence.
  • Economic MoatThe framework declines to assess an economic moat when the business's foundational predictability for a ten-year horizon cannot be established.
  • ManagementEvaluating management's capital allocation and integrity is not applicable when the business itself is deemed too difficult to predict long-term.
  • Financial HealthWhile recent financial metrics are provided, a thorough assessment of long-term financial health, especially owner earnings and sustainable ROE, is not possible for a business with unpredictable unit economics.
  • Margin of SafetyA margin of safety cannot be determined without a reliable estimate of intrinsic value, which is unachievable for a company outside the circle of competence.

SanDisk operates within the technology hardware and storage industry, characterized by rapid change, making its long-term cash flows genuinely unpredictable for a value investor. Consequently, the company is categorized as "Too Hard" to evaluate under this framework, as fundamental predictability is a prerequisite for all subsequent stages. Despite some strong recent financial metrics, the inability to reliably project future earning power precludes a full assessment of its economic moat, management, financial health, or a margin of safety.

Educational interpretation generated by AI applying frameworks Warren Buffett documented in his shareholder letters and other public writings. Not a statement by Mr. Buffett or Berkshire Hathaway, and not investment advice.