Sandisk Corporation (SNDK) Stock Analysis & Winston Score

SanDisk Corp. engages in the development, manufacture, and provision of storage devices and solutions on NAND flash technology. Its products include solid state drives. embedded products, removable cards, universal series bus, and wafers and components. The company was founded on June 1, 1988 and is headquartered in Milipitas, CA.

Winston Score History

Politician Trades

17 trades / 12mo

13 Congressional buys and 4 sells on SNDK in the last 12 months.

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Growth Profile

For growth stock investors

When traditional metrics don't capture the full picture, these are the signals growth stock investors use instead.

Revenue Growth

+251.0% YoY

YoY Growth Rate

Revenue accelerating

EPS Growth

+283.3% YoY

YoY Growth Rate

EPS growth accelerating

R&D Spend

$1.1B/ year

↑ Rising (+7% vs prior year)

15.4% of revenue

In line with sector average (15%)

Investing heavily in future products and technology

Insider Activity

1.4%ownership

→ Flat

Insiders holding steady — not selling despite ability to

Cash Position

Cash flow positive

$4.4B cash & investments

Quarterly Free Cash Flow

↑ Burn rate improving

Company generates more cash than it spends — no dilution risk from fundraising

Revenue accelerating

Sandisk Corporation grew revenue 251% year-over-year and the growth rate is speeding up. That's the kind of momentum growth investors look for — the question is whether margins can follow.

The Winston Score above measures business quality today. Growth stocks often score lower because they invest in the future rather than maximising current profits. These metrics show what matters most for evaluating that future.

Share count broadly stable

+0.7% over 3y

The share count has stayed roughly flat over this period — little dilution or buyback activity.

Diluted shares outstanding: 144.0M (2022) → 145.0M (2025)

Score breakdown

Every number that matters to educated investors.

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Quality

Gross Margin

78.4%

Premium pricing power — 78.4% gross margin

Operating Margin

69.1%

Excellent — 69.1% operating margin

ROCE

29.8%

Exceptional — 29.8% return on capital

ROIC above 25%. Every dollar invested in the business earns more than 25 cents back per year.

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Growth

Sales YoY

+82.8%

Fast-growing sales (82.8% YoY)

EPS YoY

N/A

Data not available

EPS Consistency

4/8 quarters

Earnings inconsistent quarter-to-quarter

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Cash Flow

Cash Conversion

103%

Turns 103% of profit into real cash

FCF Margin

33.8%

Converts sales into free cash efficiently (33.8%)

Free cash flow margin above 20%. Out of every $100 in sales, more than $20 is real cash they keep.

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Stability

Debt / Equity

0.00

Conservative — low debt load (0.00)

Interest Cover

43.52x

Comfortably covers interest (43.5x)

Interest coverage above 8. Profits cover interest many times over.

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Valuation

P/E Ratio (TTM)

44.4x

Pricey — P/E 44.4

P/E over 35. The market is pricing in heavy, sustained growth.

P/E vs Forward

+34.4

GROWING

Earnings expected to grow meaningfully — cheaper on forward P/E (44.4 → 10.0)

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Dividends

Not applicable for this business.

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