AMS Next 20AMS Next 20 companies

The AMS Next 20 tracks 20 Dutch companies. As of 30 Sep 2026 the largest is Wereldhave at 12.14% of the index, and the 10 largest make up 68.38%.

Members

20

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 AMS Next 20 (AScX) composition PDF, as of 2026-09-30. How we source this.

Members

Concentration

The 10 largest members make up 68.38% of the index.

• Wereldhave12.14%
• Triodos Bank11.13%
• Amsterdam Commodities8.91%
• PostNL6.08%
• Alfen5.39%
• OCI5.24%
• Nedap5.07%
• Kendrion4.90%
• TomTom4.82%
• ForFarmers4.70%

Which other indexes share members with the AMS Next 20

No other index we track shares a member with the AMS Next 20.

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 20no shared members
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. LuxXno shared members
15. AEXno shared members
16. AMXno shared members
17. AMS Next 20this index
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, AMX.

Recent changes

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

Questions

How many companies are in the AMS Next 20?

The AMS Next 20 has 20 members. We show 20 as of 30 Sep 2026.

What is the largest company in the AMS Next 20?

Wereldhave, at 12.14% of the index as of 30 Sep 2026.

How is the AMS Next 20 weighted?

Free-float market cap, capped at 15%, according to Euronext.

When is the AMS Next 20 reviewed?

Quarterly, annual review in March.

Sources