OMX Helsinki 25 (OMXH25, formerly HEX25) is a stock market index for the 25 most traded stocks on the Nasdaq Helsinki stock exchange. It is a price return and capitalization-weighted index. The maximum weight for a single stock is limited to 10 percent.
The OMXH25 index started on 4 March 1988 with a base value of 500. It is reconstituted semi-annually on the first trading day in February and August and rebalanced quarterly in February, May, August and November. The original name of the index was HEX25, but following the merger of Optionsmäklarna (OM AB) and Helsinki Stock Exchange (HEX Plc), it was changed to OMXH25 on 15 November 2004.
On 30 June 2014, Nasdaq launched a total return version of the OMX Helsinki 25 index, the OMX Helsinki 25 Gross Index (OMXH25GI). Unlike the regular OMXH25 index, the OMXH25GI includes reinvested dividends.
Components As of July 2025, the index is composed of the following 25 listings.
Ticker Company GICS sector ELISA.HE Elisa Communication Services FORTUM.HE Fortum Utilities HIAB.HE Hiab Industrials HUH1V.HE Huhtamäki Industrials KALMAR.HE B Industrials KEMIRA.HE Kemira Materials KESKOB.HE Kesko B Consumer Staples KOJAMO.HE Real Estate KNEBV.HE KONE Industrials KCR.HE Konecranes Industrials MANTA.HE Financials METSO.HE Metso Industrials NESTE.HE Neste Energy NOKIA.HE Nokia Information Technology TYRES.HE Nokian Tyres Consumer Discretionary NDA-FI.HE Nordea Financials ORNBV.HE Orion Health Care OUT1V.HE Outokumpu Materials QTCOM.HE Qt Group Information Technology SAMPO.HE Sampo A Financials STERV.HE Stora Enso R Materials TIETO.HE TietoEVRY Information Technology UPM.HE UPM-Kymmene Materials VALMT.HE Valmet Industrials WRT1V.HE Wärtsilä Industrials
Annual returns The following table shows the annual development of the OMX Helsinki 25 since 1988. YearClosing levelChange in indexpointspercent 1988 696.16 1989 563.46 −132.70 −19.06 % 1990 370.48 −192.98 −34.25 % 1991 301.17 −69.31 −18.71 % 1992 313.31 12.14 4.03 % 1993 602.59 289.28 92.33 % 1994 687.68 85.09 14.12 % 1995 623.87 −63.81 −9.28 % 1996 863.69 239.82 38.44 % 1997 1,131.33 267.64 30.99 % 1998 1,486.97 355.64 31.44 % 1999 3,222.83 1,735.86 116.74 % 2000 2,321.51 −901.32 −27.97 % 2001 1,600.99 −720.52 −31.04 % 2002 1,293.16 −307.83 −19.23 % 2003 1,530.98 237.82 18.39 % 2004 1,830.98 300.00 19.60 % 2005 2,301.26 470.28 25.68 % 2006 2,910.49 609.23 26.47 % 2007 3,010.11 99.62 3.42 % 2008 1,515.65 −1,494.46 −49.65 % 2009 2,032.59 516.94 34.11 % 2010 2,628.48 595.89 29.32 % 2011 1,942.06 −686.42 −26.11 % 2012 2,210.02 267.96 13.80 % 2013 2,835.17 625.15 28.29 % 2014 2,988.08 152.91 5.39 % 2015 3,359.38 371.30 12.43 % 2016 3,680.08 320.70 9.55 % 2017 3,917.97 237.89 6.46 % 2018 3,685.16 −232.81 −5.94 % 2019 4,221.98 536.82 14.57 % 2020 4,586.15 364.17 8.63 % 2021 5,571.97 985.82 21.50 % 2022 4,825.44 −746.53 −13.40 % 2023 4,509.09 −316.35 −6.56 % 2024 4,315.87 −193.22 −4.29 %
References
External links Official Nasdaq list of OMXH25 components Bloomberg page for HEX25:IND