OMX Helsinki 25 is a stock market index

Stock market index

A stock market index is a method of measuring a section of the stock market. Many indices are cited by news or financial services firms and are used as benchmarks, to measure the performance of portfolios such as mutual funds....

 for Helsinki Stock Exchange

Helsinki Stock Exchange

The Helsinki Stock Exchange is a stock exchange located in Helsinki, Finland. Since 3 September 2003 it has been part of OMX, referred to as OMX Helsinki . Since NASDAQ's acquisition of OMX in February 2008, the official name of the Helsinki exchange has been NASDAQ OMX Helsinki.- History :The...

. It is a market value weighted index that consists of the 25 most-traded stock classes. The maximum weight for a single stock is limited to 10%. This is mainly to limit Nokia's

Nokia

Nokia Corporation is a Finnish multinational communications corporation that is headquartered in Keilaniemi, Espoo, a city neighbouring Finland's capital Helsinki...

 weight in the index, although Fortum

Fortum

Fortum Oyj is a Finnish publicly listed energy company, which focuses on the Nordic and Baltic countries, Poland and the north-west of Russia. After acquisition of Russian energy company TGC-10 in year 2008, Western Siberia has become an important operating area for Fortum. The head of the company...

 and Sampo Group were also capped in the February 2009 reshuffle.

Components

As of the semi-annual review effective 1 August 2011, the following 25 companies make up the index:

Company	GICS Global Industry Classification Standard The Global Industry Classification Standard is an industry taxonomy developed by MSCI and Standard & Poor's for use by the global financial community. The GICS structure consists of 10 sectors, 24 industry groups, 68 industries and 154 sub-industries into which S&P has categorized all major...  Sector	Ticker symbol
Cargotec Cargotec Cargotec Oyj is a Finnish company that makes cargo-handling machinery for ships, ports, terminals and local distribution.Cargotec was formed in June 2005 when Kone Corporation was split into two companies to be listed: Cargotec and new KONE...	industrial machinery
Elisa Elisa Oyj Elisa Oyj is a Finnish telecommunications company founded in 1882 that was known until July 2000 as HPY. Elisa Oyj employs about 3000 people and in 2007 had revenue of about €1.57 billion...	integrated telecommunication services
Fortum Fortum Fortum Oyj is a Finnish publicly listed energy company, which focuses on the Nordic and Baltic countries, Poland and the north-west of Russia. After acquisition of Russian energy company TGC-10 in year 2008, Western Siberia has become an important operating area for Fortum. The head of the company...	electric utilities
Kemira Kemira Kemira Oyj is a chemical industry group that consists of three main segments. Kemira is headquartered in Helsinki, Finland.Kemira’s main shareholder is Oras Invest Oy and its owners, members of the Paasikivi family. Its former main owner, the State of Finland, sold the largest part of its holding...	diversified chemicals
Kesko Kesko Kesko is a Finnish retailing conglomerate. It is engaged in the food trade, the home and specialty goods trade, the building and home improvement trade, and the car and machinery trade...	food retail
Kone KONE Kone Oyj , founded in 1910 and headquartered in Espoo, Finland, is an international engineering and service company employing some 32,500 personnel worldwide. The firm is the fourth largest manufacturer of elevators worldwide, a leading manufacturer of escalators, and also provides maintenance...	industrial machinery
Konecranes	industrial machinery
Metso Metso Metso Corporation was created in 1999 through the merger of Valmet and Rauma and is headquartered in Helsinki, Finland. Metso is a global supplier of process industry machinery and systems as well as know-how and aftermarket services...	industrial machinery
Neste Oil Neste Oil Neste Oil is a Finnish oil refining and marketing company producing mainly transportation fuels and other refined petroleum products. Neste Oil shares are quoted on the Helsinki Stock Exchange.- History :...	oil and gas refining and marketing
Nokia Nokia Nokia Corporation is a Finnish multinational communications corporation that is headquartered in Keilaniemi, Espoo, a city neighbouring Finland's capital Helsinki...	communications equipment
Nokian Tyres	tyres and rubber
Nordea AB Nordea Nordea Bank AB is a Stockholm-based financial services group operating in Northern Europe. The bank is the result of the successive mergers and acquisitions of the Swedish, Finnish, Danish and Norwegian banks of Nordbanken, Merita Bank, Unibank and Kreditkassen that took place between 1997 and 2000...	diversified banks
Orion Corporation Orion Corporation Orion Corporation, founded in 1917 and headquartered at Espoo, Finland, is a Finnish company, which develops, manufactures and markets pharmaceuticals, active pharmaceutical ingredients and diagnostic tests for global markets...	pharmaceuticals
Outokumpu Outokumpu Outokumpu is a group of companies headquartered in Espoo, Finland, aimed at stainless steel. The company has approx. 8 000 employees in about 30 different countries worldwide...	steel
Outotec Outotec Outotec Oyj is a Finnish company, headquartered in Espoo, aimed at providing technologies and services for the metal and mineral processing industries...	construction and engineering
Pohjola Bank	other diversified financial services
Rautaruukki Rautaruukki Rautaruukki Corporation is a Finnish company, headquartered in Helsinki, which manufactures and supplies metal-based components and systems to the construction and engineering industries....	steel
Sampo	multi-line insurance
Sanoma	publishing
Stora Enso Stora Enso Stora Enso Oyj is a Finnish pulp and paper manufacturer, formed by the merger of Swedish mining and forestry products company Stora and Finnish forestry products company Enso-Gutzeit Oy in 1998. It is headquartered in Helsinki, and it has approximately 29,000 employees...	paper products
Talvivaara Mining Company Talvivaara Mining Company Talvivaara Mining Company plc is a Finnish-based nickel mining business operating in Finland. Listed on the London and Helsinki Stock Exchanges, the company is a constituent of the FTSE 250 and OMXH25 indices.-History:...	diversified metals and mining
TeliaSonera AB TeliaSonera TeliaSonera AB is the dominant telephone company and mobile network operator in Sweden and Finland. The company has operations in other countries in Northern, Eastern Europe, Central Asia and Spain, with a total of 150 million mobile customers...	integrated telecommunication services
UPM UPM (company) UPM-Kymmene Corporation is a Finnish pulp, paper and timber manufacturer. UPM-Kymmene was formed by the merger of Kymmene Corporation and Repola Ltd and its subsidiary United Paper Mills Ltd in 1996...	paper products
Wärtsilä Wärtsilä Wärtsilä is a Finnish corporation which manufactures and services power sources and other equipment in the marine and energy markets. The core products of Wärtsilä include large combustion engines...	industrial machinery
YIT YIT YIT Oyj is a diversified Finnish-based company, headquartered in Helsinki, which provides a range of services, mainly to other businesses...	construction and engineering

External links

• Official OMX Helsinki 25 composition