ARM vs. MU: Arm Holdings vs. Micron Stock Comparison

November 11, 2026

How do Arm Holdings (ARM) and Micron (MU) 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

Arm Holdings (ARM) and Micron (MU) are both classified in the Semiconductors sub-industry within the broader Semiconductors & Semiconductor Equipment industry, placing them in the closest GICS peer bucket.

Micron (MU) has more than two decades of public-market history since June 1, 1984, whereas Arm Holdings (ARM) listed on September 14, 2023 and has a much shorter record to draw on.

Micron (MU) trades as ordinary local shares, while Arm Holdings (ARM) trades as an ADR — compare with FX exposure, depositary-program fees, and dividend-withholding-tax differences in mind.

Company profile comparison for Arm Holdings (ARM) and Micron (MU)
Profile Item	ARM	MU
Name	Arm Holdings plc ADR	Micron Technology Inc.
Country/Region	United Kingdom	United States
GICS Sector	Information Technology	Information Technology
GICS Industry Group	Semiconductors & Semiconductor Equipment	Semiconductors & Semiconductor Equipment
GICS Industry	Semiconductors & Semiconductor Equipment	Semiconductors & Semiconductor Equipment
GICS Sub-Industry	Semiconductors	Semiconductors
Market Capitalization	186.84 billion USD	780.68 billion USD
Currency	USD	USD
Exchange	Nasdaq	Nasdaq
Listing Date	September 14, 2023	June 1, 1984
Security Type	ADR	Common Stock

Price Performance

Cumulative Growth

ARM

GSPC

Arm Holdings (ARM) vs. Micron (MU), 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

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Trailing total returns for Arm Holdings (ARM) and Micron (MU). Returns over one year are annualized.

Calendar-Year Returns

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Calendar-year total returns for Arm Holdings (ARM) and Micron (MU). Each bar is that year's total return, measured year-end to year-end.

Performance Metrics

Price performance metrics for Arm Holdings (ARM) and Micron (MU)
Metric	ARM	MU
Total Return (1Y)	23.60%	208.53%
Total Return (3Y, Annualized)	53.99%	115.89%
Total Return (5Y, Annualized)	--	58.28%

Risk Profile

Drawdown History

ARM

GSPC

Arm Holdings (ARM) vs. Micron (MU), 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

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Distribution of monthly total returns for Arm Holdings (ARM) and Micron (MU). Each bar is the share of months whose return fell in that 5% bucket.

Risk Metrics

Risk profile metrics for Arm Holdings (ARM) and Micron (MU)
Metric	ARM	MU
Volatility (1Y, Annualized)	82.24%	83.85%
Beta (5Y)	3.92	2.44
Max Drawdown (5Y)	-62.06%	-57.63%
Avg. Volume (3M)	5.05M	27.63M

Risk-Adjusted Performance

Risk-Return Positioning

ARM and MU 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 Arm Holdings (ARM) and Micron (MU)
Metric	ARM	MU
Sharpe Ratio (1Y)	0.23	2.44
Sortino Ratio (1Y)	0.38	3.87

Profitability

ROE (TTM)

Micron (MU) at 88.26% clears its industry range for ROE, a sharper capital-efficiency signal than Arm Holdings (ARM) at 11.35%, which is closer to a typical peer reading.

ARM

Semiconductors & Semiconductor Equipment industry group

11.35%

Max: 52.82%
Q3: 22.26%
ARM: 11.35%
Median: 10.58%
Q1: 1.29%
Min: -16.89%

MU

Semiconductors & Semiconductor Equipment industry group

88.26%

MU: 88.26%
Max: 52.82%
Q3: 22.26%
Median: 10.58%
Q1: 1.29%
Min: -16.89%

Arm Holdings (ARM) vs. Micron (MU): A comparison of their ROE against the Semiconductors & Semiconductor Equipment industry group benchmark.

Net Margin (TTM)

Micron (MU) at 63.80% retains a top-quartile share of revenue as profit, ahead of Arm Holdings (ARM) at 17.13%, which keeps about the industry-typical share.

ARM

Semiconductors & Semiconductor Equipment industry group

17.13%

Max: 63.80%
Q3: 28.36%
ARM: 17.13%
Median: 11.44%
Q1: 0.90%
Min: -37.77%

MU

Semiconductors & Semiconductor Equipment industry group

63.80%

MU: 63.80%
Max: 63.80%
Q3: 28.36%
Median: 11.44%
Q1: 0.90%
Min: -37.77%

Arm Holdings (ARM) vs. Micron (MU): A comparison of their net margin against the Semiconductors & Semiconductor Equipment industry group benchmark.

Operating Margin (TTM)

Micron (MU) at 80.68% turns sales into operating profit above its industry’s benchmark range, while Arm Holdings (ARM) at 13.93% operates around its industry’s norm.

ARM

Semiconductors & Semiconductor Equipment industry group

13.93%

Max: 58.66%
Q3: 30.23%
Median: 15.91%
ARM: 13.93%
Q1: 7.54%
Min: -25.74%

MU

Semiconductors & Semiconductor Equipment industry group

80.68%

MU: 80.68%
Max: 58.66%
Q3: 30.23%
Median: 15.91%
Q1: 7.54%
Min: -25.74%

Arm Holdings (ARM) vs. Micron (MU): A comparison of their operating margin against the Semiconductors & Semiconductor Equipment industry group benchmark.

Profitability Metrics

Profitability metrics for Arm Holdings (ARM) and Micron (MU)
Metric	ARM	MU
ROE (TTM)	11.35%	88.26%
ROA (TTM)	5.50%	44.56%
Net Margin (TTM)	17.13%	63.80%
Operating Margin (TTM)	13.93%	80.68%
Gross Margin (TTM)	97.44%	80.72%

Growth

Revenue Growth

Micron (MU) at 256.33% clears its industry range for revenue growth, far stronger top-line momentum than Arm Holdings (ARM) at 22.79%, which is closer to a typical peer reading.

Arm Holdings (ARM) vs. Micron (MU): A comparison of their Revenue Growth across different time periods.

EPS Growth

Micron (MU) at 879.31% clears its industry range for EPS growth, a much stronger earnings trajectory than Arm Holdings (ARM) at 13.33%, which is closer to a typical peer reading.

Arm Holdings (ARM) vs. Micron (MU): A comparison of their EPS Growth across different time periods.

Growth Metrics

Growth metrics for Arm Holdings (ARM) and Micron (MU)
Metric	ARM	MU
Revenue Growth (YoY)	22.79%	256.33%
Revenue Growth (3Y CAGR)	22.46%	104.65%
EPS Growth (YoY)	13.33%	879.31%
EPS Growth (3Y CAGR)	18.51%	--

Financial Strength

Current Ratio (MRQ)

Micron (MU) at 3.31 keeps current ratio within its industry’s typical mid-range, while Arm Holdings (ARM) at 6.35 sits above its industry’s typical mid-range — comfortable liquidity, though possibly with more idle current assets relative to peers.

ARM

Semiconductors & Semiconductor Equipment industry group

6.35

Max: 10.33
ARM: 6.35
Q3: 5.62
Median: 3.33
Q1: 2.35
Min: 1.03

MU

Semiconductors & Semiconductor Equipment industry group

3.31

Max: 10.33
Q3: 5.62
Median: 3.33
MU: 3.31
Q1: 2.35
Min: 1.03

Arm Holdings (ARM) vs. Micron (MU): A comparison of their current ratio against the Semiconductors & Semiconductor Equipment industry group benchmark.

Debt / Equity (MRQ)

Micron (MU) at 0.04 keeps leverage in the lower industry quartile, while Arm Holdings (ARM) at 0.06 runs a more typical debt-to-equity mix.

ARM

Semiconductors & Semiconductor Equipment industry group

0.06

Max: 1.46
Q3: 0.65
Median: 0.27
ARM: 0.06
Q1: 0.04
Min: 0.00

MU

Semiconductors & Semiconductor Equipment industry group

0.04

Max: 1.46
Q3: 0.65
Median: 0.27
Q1: 0.04
MU: 0.04
Min: 0.00

Arm Holdings (ARM) vs. Micron (MU): A comparison of their debt-to-equity ratio against the Semiconductors & Semiconductor Equipment industry group benchmark.

Financial Strength Metrics

Financial strength metrics for Arm Holdings (ARM) and Micron (MU)
Metric	ARM	MU
Current Ratio (MRQ)	6.35	3.31
Debt / Equity (MRQ)	0.06	0.04
Net Debt / EBITDA	-2.77	-0.35

Dividends

Dividend Yield (TTM)

Arm Holdings (ARM) pays no dividend (yield 0.00%) — it may be reinvesting, using buybacks, or simply not returning cash through dividends. Meanwhile Micron (MU) reports a yield of 0.09%, ranking against industry peers normally.

ARM

Semiconductors & Semiconductor Equipment industry group

0.00%

Max: 1.37%
Q3: 0.65%
ARM: 0.00%
Median: 0.00%
Q1: 0.00%
Min: 0.00%

MU

Semiconductors & Semiconductor Equipment industry group

0.09%

Max: 1.37%
Q3: 0.65%
MU: 0.09%
Median: 0.00%
Q1: 0.00%
Min: 0.00%

Arm Holdings (ARM) vs. Micron (MU): A comparison of their dividend yield against the Semiconductors & Semiconductor Equipment industry group benchmark.

Dividend Payout Ratio (TTM)

Arm Holdings (ARM) pays no dividend (payout 0.00%) — it may be reinvesting, using buybacks, or simply not returning cash through dividends. Meanwhile Micron (MU) reports a payout of 0.71%, ranking against industry peers normally.

ARM

Semiconductors & Semiconductor Equipment industry group

0.00%

Max: 49.64%
Q3: 21.71%
ARM: 0.00%
Median: 0.00%
Q1: 0.00%
Min: 0.00%

MU

Semiconductors & Semiconductor Equipment industry group

0.71%

Max: 49.64%
Q3: 21.71%
MU: 0.71%
Median: 0.00%
Q1: 0.00%
Min: 0.00%

Arm Holdings (ARM) vs. Micron (MU): A comparison of their payout ratio against the Semiconductors & Semiconductor Equipment industry group benchmark.

Dividend Metrics

Dividend metrics for Arm Holdings (ARM) and Micron (MU)
Metric	ARM	MU
Dividend Yield (TTM)	0.00%	0.09%
Dividend Payout Ratio (TTM)	0.00%	0.71%

Valuation

P/E Ratio (TTM)

Micron (MU) at 9.28 sits in the cheaper P/E ratio quartile, while Arm Holdings (ARM) at 200.71 trades above its peer range — a wide earnings-valuation gap relative to industry peers.

ARM

Semiconductors & Semiconductor Equipment industry group

200.71

ARM: 200.71
Max: 110.34
Q3: 66.81
Median: 37.02
Q1: 23.96
Min: 8.12

MU

Semiconductors & Semiconductor Equipment industry group

9.28

Max: 110.34
Q3: 66.81
Median: 37.02
Q1: 23.96
MU: 9.28
Min: 8.12

Arm Holdings (ARM) vs. Micron (MU): A comparison of their P/E ratio against the Semiconductors & Semiconductor Equipment industry group benchmark.

P/S Ratio (TTM)

Micron (MU) at 5.86 prices around its industry’s typical P/S ratio, while Arm Holdings (ARM) at 34.20 clears its benchmark range — ARM looks notably rich on sales.

ARM

Semiconductors & Semiconductor Equipment industry group

34.20

ARM: 34.20
Max: 21.42
Q3: 12.27
Median: 5.76
Q1: 2.73
Min: 0.00

MU

Semiconductors & Semiconductor Equipment industry group

5.86

Max: 21.42
Q3: 12.27
MU: 5.86
Median: 5.76
Q1: 2.73
Min: 0.00

Arm Holdings (ARM) vs. Micron (MU): A comparison of their P/S ratio against the Semiconductors & Semiconductor Equipment industry group benchmark.

P/B Ratio (MRQ)

Micron (MU) at 5.64 sits near its industry’s typical P/B ratio, while Arm Holdings (ARM) at 20.56 prices above its benchmark range — ARM looks rich relative to book.

ARM

Semiconductors & Semiconductor Equipment industry group

20.56

ARM: 20.56
Max: 14.06
Q3: 7.44
Median: 4.29
Q1: 2.30
Min: 0.20

MU

Semiconductors & Semiconductor Equipment industry group

5.64

Max: 14.06
Q3: 7.44
MU: 5.64
Median: 4.29
Q1: 2.30
Min: 0.20

Arm Holdings (ARM) vs. Micron (MU): A comparison of their P/B ratio against the Semiconductors & Semiconductor Equipment industry group benchmark.

Valuation Metrics

Valuation metrics for Arm Holdings (ARM) and Micron (MU)
Metric	ARM	MU
P/E Ratio (TTM)	200.71	9.28
P/S Ratio (TTM)	34.20	5.86
P/B Ratio (MRQ)	20.56	5.64
Free Cash Flow Yield (TTM)	0.61%	3.73%