SNDK vs. STX: Sandisk vs. Seagate Technology Stock Comparison

September 27, 2026

How do Sandisk (SNDK) and Seagate Technology (STX) stack up? This page sets them side by side across company profile, performance and risk, profitability, growth, financial strength, dividends, and valuation, with selected fundamentals also measured against each stock's industry-group peers.

Company Profile

Sandisk (SNDK) and Seagate Technology (STX) are both classified in the Technology Hardware, Storage & Peripherals sub-industry within the broader Technology Hardware, Storage & Peripherals industry, placing them in the closest GICS peer bucket.

Seagate Technology (STX) carries decades of public-market history since December 11, 2002, while Sandisk (SNDK) listed on February 13, 2025 — long-window comparisons have far more historical data on the STX side.

Company profile comparison for Sandisk (SNDK) and Seagate Technology (STX)
Profile Item	SNDK	STX
Name	Sandisk Corp.	Seagate Technology Holdings plc
Country/Region	United States	Singapore
GICS Sector	Information Technology	Information Technology
GICS Industry Group	Technology Hardware & Equipment	Technology Hardware & Equipment
GICS Industry	Technology Hardware, Storage & Peripherals	Technology Hardware, Storage & Peripherals
GICS Sub-Industry	Technology Hardware, Storage & Peripherals	Technology Hardware, Storage & Peripherals
Market Capitalization	260.30 billion USD	208.48 billion USD
Currency	USD	USD
Exchange	Nasdaq	Nasdaq
Listing Date	February 13, 2025	December 11, 2002
Security Type	Common Stock	Common Stock

Price Performance

Cumulative Growth

SNDK

STX

GSPC

Sandisk (SNDK) vs. Seagate Technology (STX), with S&P 500 (GSPC) for reference: Growth of a $10,000 investment over the past five years. Adjusted for dividends and splits.

Trailing Returns

Loading price history…

Trailing total returns for Sandisk (SNDK) and Seagate Technology (STX). Returns over one year are annualized.

Calendar-Year Returns

Loading price history…

Calendar-year total returns for Sandisk (SNDK) and Seagate Technology (STX). Each bar is that year's total return, measured year-end to year-end.

Performance Metrics

Price performance metrics for Sandisk (SNDK) and Seagate Technology (STX)
Metric	SNDK	STX
Total Return (1Y)	1,785.46%	320.81%
Total Return (3Y, Annualized)	--	147.17%
Total Return (5Y, Annualized)	--	65.12%

Risk Profile

Drawdown History

SNDK

STX

GSPC

Sandisk (SNDK) vs. Seagate Technology (STX), with S&P 500 (GSPC) for reference: Drawdown from the running peak over the past five years. Each line shows the decline from its prior peak; 0% marks a new high.

Return Distribution

Loading price history…

Distribution of monthly total returns for Sandisk (SNDK) and Seagate Technology (STX). Each bar is the share of months whose return fell in that 5% bucket.

Risk Metrics

Risk profile metrics for Sandisk (SNDK) and Seagate Technology (STX)
Metric	SNDK	STX
Volatility (1Y, Annualized)	116.52%	75.17%
Beta (5Y)	5.20	2.08
Max Drawdown (5Y)	-56.49%	-56.99%
Avg. Volume (3M)	13.62M	4.62M

Risk-Adjusted Performance

Risk-Return Positioning

SNDK and STX are plotted by 1-year volatility (risk) and 1-year return. The dashed Capital Allocation Line runs from the risk-free rate through the shared industry median.

Risk-Adjusted Metrics

Risk-adjusted metrics for Sandisk (SNDK) and Seagate Technology (STX)
Metric	SNDK	STX
Sharpe Ratio (1Y)	15.28	4.21
Sortino Ratio (1Y)	26.62	6.90

Profitability

ROE (TTM)

Both Sandisk (SNDK) at 91.64% and Seagate Technology (STX) at 371.53% turn shareholders’ equity into profit at rates above their industry benchmark ranges for ROE. That is a strong capital-efficiency signal, though leverage and the equity base still matter.

SNDK

Technology Hardware & Equipment industry group

91.64%

SNDK: 91.64%
Max: 44.01%
Q3: 18.81%
Median: 10.41%
Q1: 0.90%
Min: -24.95%

STX

Technology Hardware & Equipment industry group

371.53%

STX: 371.53%
Max: 44.01%
Q3: 18.81%
Median: 10.41%
Q1: 0.90%
Min: -24.95%

Sandisk (SNDK) vs. Seagate Technology (STX): A comparison of their ROE against the Technology Hardware & Equipment industry group benchmark.

Net Margin (TTM)

Sandisk (SNDK) at 56.47% keeps the most of each sales dollar — above its industry’s net margin range — and Seagate Technology (STX) at 26.11% also retains a top-quartile share.

SNDK

Technology Hardware & Equipment industry group

56.47%

SNDK: 56.47%
Max: 26.11%
Q3: 10.86%
Median: 3.71%
Q1: -0.23%
Min: -12.98%

STX

Technology Hardware & Equipment industry group

26.11%

STX: 26.11%
Max: 26.11%
Q3: 10.86%
Median: 3.71%
Q1: -0.23%
Min: -12.98%

Sandisk (SNDK) vs. Seagate Technology (STX): A comparison of their net margin against the Technology Hardware & Equipment industry group benchmark.

Operating Margin (TTM)

Before financing and tax, both Sandisk (SNDK) at 78.47% and Seagate Technology (STX) at 43.07% run unusually efficient core operations — each operating margin clears its industry’s benchmark range.

SNDK

Technology Hardware & Equipment industry group

78.47%

SNDK: 78.47%
Max: 36.27%
Q3: 17.66%
Median: 7.40%
Q1: 1.69%
Min: -21.39%

STX

Technology Hardware & Equipment industry group

43.07%

STX: 43.07%
Max: 36.27%
Q3: 17.66%
Median: 7.40%
Q1: 1.69%
Min: -21.39%

Sandisk (SNDK) vs. Seagate Technology (STX): A comparison of their operating margin against the Technology Hardware & Equipment industry group benchmark.

Profitability Metrics

Profitability metrics for Sandisk (SNDK) and Seagate Technology (STX)
Metric	SNDK	STX
ROE (TTM)	91.64%	371.53%
ROA (TTM)	43.91%	29.36%
Net Margin (TTM)	56.47%	26.11%
Operating Margin (TTM)	78.47%	43.07%
Gross Margin (TTM)	71.47%	45.58%

Growth

Revenue Growth

Both companies are growing quickly, but Sandisk (SNDK) at 175.30% is the standout with revenue growth above its industry range; Seagate Technology (STX) at 34.06% also sits in the top quartile.

Sandisk (SNDK) vs. Seagate Technology (STX): A comparison of their Revenue Growth across different time periods.

EPS Growth

Only one side can be read here: Seagate Technology (STX) reports EPS growth of 105.31%, ranked against its industry; Sandisk (SNDK) has no EPS growth figure this period.

Sandisk (SNDK) vs. Seagate Technology (STX): A comparison of their EPS Growth across different time periods.

Growth Metrics

Growth metrics for Sandisk (SNDK) and Seagate Technology (STX)
Metric	SNDK	STX
Revenue Growth (YoY)	175.30%	34.06%
Revenue Growth (3Y CAGR)	49.29%	18.20%
EPS Growth (YoY)	--	105.31%
EPS Growth (3Y CAGR)	--	--

Financial Strength

Current Ratio (MRQ)

Both Sandisk (SNDK) at 2.29 and Seagate Technology (STX) at 1.67 carry current ratio within their industries’ typical mid-ranges, suggesting balanced short-term liquidity relative to peers.

SNDK

Technology Hardware & Equipment industry group

2.29

Max: 5.34
Q3: 3.06
SNDK: 2.29
Median: 1.98
Q1: 1.31
Min: 0.17

STX

Technology Hardware & Equipment industry group

1.67

Max: 5.34
Q3: 3.06
Median: 1.98
STX: 1.67
Q1: 1.31
Min: 0.17

Sandisk (SNDK) vs. Seagate Technology (STX): A comparison of their current ratio against the Technology Hardware & Equipment industry group benchmark.

Debt / Equity (MRQ)

Sandisk (SNDK) at 0.01 keeps leverage in the lower quartile, while Seagate Technology (STX) at 1.80 sits in the higher-leverage quartile.

SNDK

Technology Hardware & Equipment industry group

0.01

Max: 1.80
Q3: 0.80
Median: 0.26
Q1: 0.04
SNDK: 0.01
Min: 0.00

STX

Technology Hardware & Equipment industry group

1.80

STX: 1.80
Max: 1.80
Q3: 0.80
Median: 0.26
Q1: 0.04
Min: 0.00

Sandisk (SNDK) vs. Seagate Technology (STX): A comparison of their debt-to-equity ratio against the Technology Hardware & Equipment industry group benchmark.

Financial Strength Metrics

Financial strength metrics for Sandisk (SNDK) and Seagate Technology (STX)
Metric	SNDK	STX
Current Ratio (MRQ)	2.29	1.67
Debt / Equity (MRQ)	0.01	1.80
Net Debt / EBITDA	-0.36	0.49

Dividends

Dividend Yield (TTM)

Sandisk (SNDK) pays no dividend (yield 0.00%) — it may be reinvesting, using buybacks, or simply not returning cash through dividends. Meanwhile Seagate Technology (STX) reports a yield of 0.32%, ranking against industry peers normally.

SNDK

Technology Hardware & Equipment industry group

0.00%

Max: 0.73%
Q3: 0.31%
SNDK: 0.00%
Median: 0.00%
Q1: 0.00%
Min: 0.00%

STX

Technology Hardware & Equipment industry group

0.32%

Max: 0.73%
STX: 0.32%
Q3: 0.31%
Median: 0.00%
Q1: 0.00%
Min: 0.00%

Sandisk (SNDK) vs. Seagate Technology (STX): A comparison of their dividend yield against the Technology Hardware & Equipment industry group benchmark.

Dividend Payout Ratio (TTM)

Sandisk (SNDK) pays no dividend (payout 0.00%) — it may be reinvesting, using buybacks, or simply not returning cash through dividends. Meanwhile Seagate Technology (STX) reports a payout of 21.15%, ranking against industry peers normally.

SNDK

Technology Hardware & Equipment industry group

0.00%

Max: 32.21%
Q3: 13.09%
SNDK: 0.00%
Median: 0.00%
Q1: 0.00%
Min: 0.00%

STX

Technology Hardware & Equipment industry group

21.15%

Max: 32.21%
STX: 21.15%
Q3: 13.09%
Median: 0.00%
Q1: 0.00%
Min: 0.00%

Sandisk (SNDK) vs. Seagate Technology (STX): A comparison of their payout ratio against the Technology Hardware & Equipment industry group benchmark.

Dividend Metrics

Dividend metrics for Sandisk (SNDK) and Seagate Technology (STX)
Metric	SNDK	STX
Dividend Yield (TTM)	0.00%	0.32%
Dividend Payout Ratio (TTM)	0.00%	21.15%

Valuation

P/E Ratio (TTM)

Sandisk (SNDK) at 24.08 is near its industry’s usual P/E ratio, while Seagate Technology (STX) at 66.15 sits in the richer quartile — STX needs stronger growth or earnings quality to justify the premium.

SNDK

Technology Hardware & Equipment industry group

24.08

Max: 107.14
Q3: 56.95
Median: 36.00
SNDK: 24.08
Q1: 22.50
Min: 11.95

STX

Technology Hardware & Equipment industry group

66.15

Max: 107.14
STX: 66.15
Q3: 56.95
Median: 36.00
Q1: 22.50
Min: 11.95

Sandisk (SNDK) vs. Seagate Technology (STX): A comparison of their P/E ratio against the Technology Hardware & Equipment industry group benchmark.

P/S Ratio (TTM)

Both look expensive on sales: Sandisk (SNDK) at 12.86 sits in the upper P/S ratio quartile, and Seagate Technology (STX) at 17.10 prices even higher, above its industry range.

SNDK

Technology Hardware & Equipment industry group

12.86

Max: 15.39
SNDK: 12.86
Q3: 7.58
Median: 3.22
Q1: 1.39
Min: 0.00

STX

Technology Hardware & Equipment industry group

17.10

STX: 17.10
Max: 15.39
Q3: 7.58
Median: 3.22
Q1: 1.39
Min: 0.00

Sandisk (SNDK) vs. Seagate Technology (STX): A comparison of their P/S ratio against the Technology Hardware & Equipment industry group benchmark.

P/B Ratio (MRQ)

Measured against book value, both Sandisk (SNDK) at 16.83 and Seagate Technology (STX) at 95.95 look expensive — each P/B ratio sits above its industry’s benchmark range.

SNDK

Technology Hardware & Equipment industry group

16.83

SNDK: 16.83
Max: 13.38
Q3: 6.93
Median: 3.45
Q1: 2.17
Min: 0.31

STX

Technology Hardware & Equipment industry group

95.95

STX: 95.95
Max: 13.38
Q3: 6.93
Median: 3.45
Q1: 2.17
Min: 0.31

Sandisk (SNDK) vs. Seagate Technology (STX): A comparison of their P/B ratio against the Technology Hardware & Equipment industry group benchmark.

Valuation Metrics

Valuation metrics for Sandisk (SNDK) and Seagate Technology (STX)
Metric	SNDK	STX
P/E Ratio (TTM)	24.08	66.15
P/S Ratio (TTM)	12.86	17.10
P/B Ratio (MRQ)	16.83	95.95
Free Cash Flow Yield (TTM)	2.97%	0.93%