OMX Copenhagen 20OMX Copenhagen 20 companies

The OMX Copenhagen 20 tracks 19 Danish companies. As of 23 Oct 2026 the largest is Novo Nordisk A/S at 33.71% of the index, and the 10 largest make up 89.58%.

Members

20

Weighting

Market cap, capped

Provider

Nasdaq

Review

Semi-annual (Jun, Dec)

Country

Denmark

Data as of

23 Oct 2026

Source: Nasdaq Global Index Watch, OMX Copenhagen 20 constituents, as of 2026-10-23; weights estimated from market cap. How we source this.

Members

Concentration

The 10 largest members make up 89.58% of the index.

• Novo Nordisk A/S33.71%
• A.p. Moller - Maersk A10.02%
• Dsv A/s9.57%
• Danske Bank8.12%
• Novonesis (novozymes) A/s B6.44%
• Genmab A/S5.39%
• Vestas Wind Systems5.31%
• Orsted A/s5.09%
• Coloplast B3.18%
• Tryg2.75%

Which other indexes share members with the OMX Copenhagen 20

Shade shows how many members each index shares with the OMX Copenhagen 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 Composite1 shared
11. NYSE Composite1 shared

Europe

1. Euro Stoxx 50no shared members
2. ATXno shared members
3. BEL 20no shared members
4. OMX Copenhagen 20this index
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 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

• NYSE Composite: 1 shared company
• Nasdaq Composite: 1 shared company

Recent changes

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

Questions

How many companies are in the OMX Copenhagen 20?

The OMX Copenhagen 20 has 20 members. We show 19 as of 23 Oct 2026.

What is the largest company in the OMX Copenhagen 20?

Novo Nordisk A/S, at 33.71% of the index as of 23 Oct 2026.

How is the OMX Copenhagen 20 weighted?

Market cap, capped, according to Nasdaq.

When is the OMX Copenhagen 20 reviewed?

Semi-annual (Jun, Dec).

Which OMX Copenhagen 20 companies are also in the NYSE Composite?

1 of them, as of 23 Oct 2026. The membership map below links the NYSE Composite.

Sources