Country
Largest Companies in Luxembourg by Market Cap
ArcelorMittal S.A. is the biggest company in Luxembourg by market capitalization ($56.199B). This page ranks 4 publicly traded companies in Luxembourg by market cap, updated daily.
Top 3 by market cap
- 1.ArcelorMittal S.A.MT$56.199B
- 2.Tenaris S.A.TS$27.190B
- 3.Millicom International Cellular S.A.TIGO$16.127B
| # | Company | Market Cap | Price | Change |
|---|---|---|---|---|
| 1 | $56.199B | $74.53 | +1.11% | |
| 2 | $27.190B | $53.86 | +0.79% | |
| 3 | $16.127B | $96.16 | +1.19% | |
| 4 | ![]() Eurofins Scientific SEERF.PA·PAR | $14.264B | $82.73 | +4.37% |
Frequently asked questions
- What is the largest company in Luxembourg by market cap?
- ArcelorMittal S.A. is the largest publicly traded company in Luxembourg by market capitalization, with a market cap of $56.199B.
- How many companies in Luxembourg are ranked on this page?
- This ranking includes 4 publicly traded companies headquartered in Luxembourg, sorted by market capitalization from largest to smallest.
- How often is the Luxembourg market cap ranking updated?
- Rankings are updated daily using live stock prices and the latest reported financial data.
- What does market capitalization mean?
- Market capitalization is the total value of a company's outstanding shares (share price multiplied by shares outstanding). It is the standard way to rank the largest public companies.



