WhichIndex

LuxX 9LuxX companies

The LuxX tracks 9 Luxembourg companies. As of 26 Oct 2026 the largest is ArcelorMittal at 22.05% of the index, and the 10 largest make up 100.01%.

Members
9
Weighting
Free-float market cap
Provider
Luxembourg Stock Exchange
Review
Semi-annual
Country
Luxembourg
Data as of
26 Oct 2026

Source: Luxembourg Stock Exchange, LuxX basket, as of 2026-10-26. How we source this.

Members

LuxX constituents and weights, as of 2026-10-26
1ArcelorMittalMT22.05MaterialsLuxembourg3
2Reinet InvestmentsRNI21.73Luxembourg1
3AperamAPAM15.55MaterialsLuxembourg2
4SES12.40Communication ServicesLuxembourg0
5Brederode11.42Luxembourg0
6RTL Group11.23Communication ServicesLuxembourg0
7Luxempart3.63Luxembourg0
8Socfinaf1.05Luxembourg0
9Socfinasia0.95Luxembourg0

Concentration

The 10 largest members make up 100.01% of the index.

Which other indexes share members with the LuxX

Shade shows how many members each index shares with the LuxX.

Americas

  1. S&P Mervalno shared members
  2. Ibovespano shared members
  3. S&P/TSX Compositeno shared members
  4. S&P IPSAno shared members
  5. S&P/BMV IPCno shared members
  6. S&P 500no shared members
  7. Nasdaq-100no shared members
  8. Dow Jonesno shared members
  9. Russell 2000no shared members
  10. Nasdaq Compositeno shared members
  11. NYSE Compositeno shared members

Europe

  1. Euro Stoxx 50no shared members
  2. ATXno shared members
  3. BEL 201 shared
  4. OMX Copenhagen 20no shared members
  5. OMX Tallinnno shared members
  6. OMX Helsinki 25no shared members
  7. CAC 401 shared
  8. DAXno shared members
  9. OMX Iceland 15no shared members
  10. ISEQ 20no shared members
  11. FTSE MIBno shared members
  12. OMX Rigano shared members
  13. OMX Vilniusno shared members
  14. LuxXthis index
  15. AEX1 shared
  16. AMX1 shared
  17. AMS Next 20no shared members
  18. OSEBXno shared members
  19. WIG20no shared members
  20. PSIno shared members
  21. MOEX Russiano shared members
  22. IBEX 351 shared
  23. IBEX Medium Capno shared members
  24. IBEX Small Capno shared members
  25. OMX Stockholm 30no shared members
  26. SMIno shared members
  27. BIST 100no shared members
  28. FTSE 100no shared members

Asia-Pacific

  1. S&P/ASX 200no shared members
  2. Shanghai Compositeno shared members
  3. Hang Sengno shared members
  4. Nifty 50no shared members
  5. IDX Compositeno shared members
  6. Nikkei 225no shared members
  7. S&P/NZX 50no shared members
  8. KSE 100no shared members
  9. Straits Times Indexno shared members
  10. KOSPIno shared members
  11. VN-Indexno shared members

Middle East & Africa

  1. EGX 30no shared members
  2. TA-35no shared members
  3. ASE Generalno shared members
  4. QE Indexno shared members
  5. TASIno shared members
  6. JSE Top 401 shared
  7. ADX Generalno shared members

Fewermore

Recent changes

We started recording changes on 26 Oct 2026. None recorded yet.

Questions

How many companies are in the LuxX?
The LuxX has 9 members. We show 9 as of 26 Oct 2026.
What is the largest company in the LuxX?
ArcelorMittal, at 22.05% of the index as of 26 Oct 2026.
How is the LuxX weighted?
Free-float market cap, according to Luxembourg Stock Exchange.
When is the LuxX reviewed?
Semi-annual.
Which LuxX companies are also in the AEX?
1 of them, as of 26 Oct 2026. The membership map below links the AEX.

Sources

Members and weights come from the Luxembourg Stock Exchange, LuxX basket (source), as of 2026-10-26.

The official LuxX is calculated by Luxembourg Stock Exchange. See the methodology for what differs from the official list.