The short version

From the latest prices and each company's SEC filings. Who's ahead on each measure, not which to buy.

  • Micron Technology is the larger company, worth $1.06T, about 3.9 times Arm Holdings.
  • Micron Technology grew revenue faster over the last year (+379.3% vs +22.4%).
  • Micron Technology keeps more of each dollar of revenue as operating profit (74.6% vs 17.0%).
  • On earnings, Micron Technology is the cheaper stock (44.3x vs 292.8x).
  • Arm Holdings's price assumes faster free cash flow growth: about 41% a year, against 4% for Micron Technology (reverse DCF).

Side by side

The stronger figure is shaded where higher (or, for valuation multiples, lower) reads as better. How the implied growth works.

MeasureARMMU
Market cap$267.9B$1.06T
Share price$266.28$1,029.00
Revenue (last fiscal year)$4.9B$133.2B
Free cash flow (last fiscal year)$979M$59.0B
Revenue growth, last year+22.4%+379.3%
Revenue growth per year, last 5 fiscal years+16.2%+44.3%
Operating margin17.0%74.6%
Net margin20.2%63.8%
Return on equity12.1%61.4%
P/E (trailing)292.8x44.3x
Price / free cash flow273.6x633.7x
EV / EBITDA176.1x9.29x
FCF growth the price implies40.7%3.6%
Dividend yield—0.05%
Debt / equity0.30x0.42x
Fundamental gradeCA
Superinvestors holding it415
Insider purchases, last 12 months010

Results from SEC filings

Revenue and free cash flow by fiscal year, from each company's 10-K filings.

Arm Holdings

YearRevenueFree cash flowOp. margin
2022$2.7B$424M23.4%
2023$2.7B$675M25.0%
2024$3.2B$998M3.4%
2025$4.0B$178M20.7%
2026$4.9B$979M18.3%

Micron Technology

YearRevenueFree cash flowOp. margin
2022$30.8B$3.1B31.5%
2023$15.5B-$6.1B-37.0%
2024$25.1B$121M5.2%
2025$37.4B$1.7B26.1%
2026$133.2B$59.0B74.6%

Where the revenue comes from

Arm Holdings · by products, 2026

Royalty$2.6B53%
License and Other Revenue$2.3B47%

Micron Technology · by segments, 2025

CMBU$13.5B36%
MCBU$11.9B32%
CDBU$7.2B19%
AEBU$4.8B13%
All other$13M0%
Compare them in fullFifteen years of statements, quarterly results, DCF and IRR models, and any number of peers side by side.
Open ARM in Investingly

Questions

Which is bigger, Arm Holdings or Micron Technology?

Micron Technology (MU), at $1.06T against $267.9B.

Is ARM or MU cheaper?

By trailing P/E, Micron Technology (44.3x) is cheaper than Arm Holdings (292.8x). A lower multiple can also mean the market expects less growth.

Which grows faster, ARM or MU?

Micron Technology: revenue grew +379.3% over the last year, against +22.4%.

Prices and ratios as of the last daily update; statements from SEC filings. Information only, not investment advice.