WhichIndex

AMX 25AMX companies

The AMX tracks 25 Dutch companies. As of 30 Sep 2026 the largest is Randstad at 7.75% of the index, and the 10 largest make up 60.35%.

Members
25
Weighting
Free-float market cap, capped at 15%
Provider
Euronext
Review
Quarterly, annual review in March
Country
Netherlands
Data as of
30 Sep 2026

Source: Euronext AMX composition PDF, as of 2026-09-30. How we source this.

Members

AMX constituents and weights, as of 2026-09-30
1RandstadRAND7.75IndustrialsNetherlands0
2Allfunds GroupALLFG7.68FinancialsUnited Kingdom0
3Royal BAM GroupBAMNB7.49IndustrialsNetherlands0
4HAL TrustHAL6.76FinancialsNetherlands0
5ArcadisARCAD6.16IndustrialsNetherlands0
6VopakVPK5.67EnergyNetherlands0
7HeijmansHEIJM5.37IndustrialsNetherlands0
8CSGCSG5.02IndustrialsNetherlands0
9AperamAPAM4.42MaterialsLuxembourg2
10Van Lanschot KempenVLK4.03FinancialsNetherlands0
11SignifyLIGHT3.91IndustrialsNetherlands0
12TKH GroupTWEKA3.87IndustrialsNetherlands0
13Air France-KLMAF3.84Consumer DiscretionaryFrance0
14CTPCTPNV3.56Real EstateNetherlands0
15FagronFAGR3.52Health CareBelgium0
16Basic-FitBFIT3.33Consumer DiscretionaryNetherlands0
17Eurocommercial PropertiesECMPA2.62Real EstateNetherlands0
18CorbionCRBN2.27MaterialsNetherlands0
19Lakefront BiotherapeuticsLKFT2.19Health CareBelgium1
20Flow TradersFLOW2.06FinancialsNetherlands0
21Advanced Metallurgical GroupAMG2.04IndustrialsNetherlands0
22HavasHAVAS1.80Consumer DiscretionaryNetherlands0
23FugroFUR1.66IndustrialsNetherlands0
24Theon InternationalTHEON1.55IndustrialsNetherlands0
25Pharming Group N.V.PHARM1.42Health CareNetherlands1

Concentration

The 10 largest members make up 60.35% of the index.

Weight by sector
SectorWeight %
Industrials44.82
Financials20.53
Consumer Discretionary8.97
Health Care7.13
Materials6.69
Real Estate6.18
Energy5.67

Which other indexes share members with the AMX

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

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 Composite2 shared
  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 40no shared members
  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. LuxX1 shared
  15. AEXno shared members
  16. AMXthis index
  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 35no shared members
  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 40no shared members
  7. ADX Generalno shared members

Fewermore

Related indexes: AEX, AMS Next 20.

Recent changes

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

Questions

How many companies are in the AMX?
The AMX has 25 members. We show 25 as of 30 Sep 2026.
What is the largest company in the AMX?
Randstad, at 7.75% of the index as of 30 Sep 2026.
How is the AMX weighted?
Free-float market cap, capped at 15%, according to Euronext.
When is the AMX reviewed?
Quarterly, annual review in March.
Which AMX companies are also in the Nasdaq Composite?
2 of them, as of 30 Sep 2026. The membership map below links the Nasdaq Composite.

Sources

Members and weights come from the Euronext AMX composition PDF (source), as of 2026-09-30.

The official AMX is calculated by Euronext. See the methodology for what differs from the official list.