WhichIndex

OMX Helsinki 25OMX Helsinki 25 companies

The OMX Helsinki 25 tracks 25 Finnish companies. As of 23 Oct 2026 the largest is Nokia at 16.62% of the index, and the 10 largest make up 82.05%.

Members
25
Weighting
Market cap, capped
Provider
Nasdaq
Review
Semi-annual (Jan, Jul)
Country
Finland
Data as of
23 Oct 2026

Source: Nasdaq Global Index Watch, OMX Helsinki 25 constituents, as of 2026-10-23; weights estimated from market cap. How we source this.

Members

OMX Helsinki 25 constituents and weights, as of 2026-10-23
1NokiaNOKIA16.62Information TechnologyFinland2
2KONEKNEBV11.62IndustrialsFinland0
3Sampo ASAMPO9.64FinancialsFinland0
4NesteNESTE9.46EnergyFinland0
5FortumFORTUM8.29UtilitiesFinland0
6WärtsiläWRT1V6.57IndustrialsFinland0
7MetsoMETSO5.41IndustrialsFinland0
8OrionORNBV5.36Health CareFinland0
9UPM-KymmeneUPM5.09MaterialsFinland0
10Kesko BKESKOB3.99Consumer StaplesFinland0
11Stora Enso RSTERV3.04MaterialsFinland0
12KonecranesKCR2.51IndustrialsFinland0
13ElisaELISA2.04Communication ServicesFinland0
14ValmetVALMT1.96IndustrialsFinland0
15HiabHIAB1.20IndustrialsFinland0
16MandatumMANTA1.16FinancialsFinland0
17HuhtamäkiHUH1V1.13IndustrialsFinland0
18TietoEVRYTIETO0.87Information TechnologyFinland0
19KemiraKEMIRA0.86MaterialsFinland0
20OutokumpuOUT1V0.85MaterialsFinland0
21Lumo KoditLUMO0.75Finland0
22Nokian TyresTYRES0.73Consumer DiscretionaryFinland0
23Bittium CorporationBITTI0.50Finland0
24Qt GroupQTCOM0.34Information TechnologyFinland0
25NordeaNDA-FI–FinancialsFinland1

Concentration

The 10 largest members make up 82.05% of the index.

Weight by sector
SectorWeight %
Industrials30.40
Information Technology17.83
Financials10.80
Materials9.84
Energy9.46
Utilities8.29
Health Care5.36
Consumer Staples3.99
Communication Services2.04
Consumer Discretionary0.73

Which other indexes share members with the OMX Helsinki 25

Shade shows how many members each index shares with the OMX Helsinki 25.

Fewermore

Related indexes: Euro Stoxx 50.

Recent changes

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

Questions

How many companies are in the OMX Helsinki 25?
The OMX Helsinki 25 has 25 members. We show 25 as of 23 Oct 2026.
What is the largest company in the OMX Helsinki 25?
Nokia, at 16.62% of the index as of 23 Oct 2026.
How is the OMX Helsinki 25 weighted?
Market cap, capped, according to Nasdaq.
When is the OMX Helsinki 25 reviewed?
Semi-annual (Jan, Jul).
Which OMX Helsinki 25 companies are also in the Euro Stoxx 50?
2 of them, as of 23 Oct 2026. The membership map below links the Euro Stoxx 50.

Sources

Members and weights come from the Nasdaq Global Index Watch, OMX Helsinki 25 constituents (source), as of 2026-10-23. The source has no weights, so each weight is our estimate: the company's full market cap over the members' total. The index adjusts for free float or caps weights, so the real weights differ.

The official OMX Helsinki 25 is calculated by Nasdaq. See the methodology for what differs from the official list.