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Wikipedia / BEL 20

The BEL 20 is the benchmark stock market index of Euronext Brussels. It tracks the performance of 20 most capitalized and liquid stocks traded in Belgium. In general, the index consists of a minimum of 10 and a maximum of 20 companies traded at the Brussels Stock Exchange. Since 20 June 2011, the BEL 20 has contained 20 listings, with the exception a one-month period in May–June 2018 when Ablynx stock was removed following the takeover by Sanofi, only to be replaced mid June by .

Rules

The composition of the BEL 20 index is reviewed annually based on closing prices on the last Friday in February. These changes are effective after the third Friday of March. In addition to meeting a set of criteria demanding a company be "representative of the Belgian equity market", at least 15% of its shares must be considered free float in order to qualify for the index. In addition, a candidate for inclusion must possess a free float market capitalisation (in Euros) of at least 300000 times the price of the index on the last trading day of December. The minimum requirement for an existing constituent to remain in the index is a market cap of 200000 times the index value. At each annual review, the weights of companies in the index are capped at 15%, but range freely with share price subsequently. The BEL 20 is a capitalization-weighted index. Its record high is 4756,82 set on 23 May 2007.

Annual Returns

The following table shows the annual development of the BEL 20 Index, which was calculated back to 1990.

Year

Closing level

Change in Indexin Points

Change in Indexin %

1990

1,000.00

1991

1,029.72

29.72

2.97

1992

1,127.02

97.30

9.45

1993

1,473.10

346.08

30.71

1994

1,389.64

−83.46

−5.67

1995

1,559.63

169.99

12.23

1996

1,897.58

337.95

21.67

1997

2,419.34

521.76

27.50

1998

3,514.51

1,095.17

45.27

1999

3,340.43

−174.08

−4.95

2000

3,024.49

−315.94

−9.46

2001

2,782.01

−242.48

−8.02

2002

2,025.04

−756.97

−27.21

2003

2,244.18

219.14

10.82

2004

2,932.62

688.44

30.68

2005

3,549.25

616.63

21.03

2006

4,288.53

739.28

20.83

2007

4,127.47

−161.06

−3.76

2008

1,908.64

−2,218.83

−53.76

2009

2,511.62

602.98

31.59

2010

2,578.60

66.98

2.67

2011

2,083.42

−495.18

−19.20

2012

2,475.81

392.39

18.83

2013

2,923.82

448.01

18.10

2014

3,285.26

361.44

12.36

2015

3,700.30

415.04

12.63

2016

3,606.36

−93.94

−2.54

2017

3,977.88

371.52

10.30

2018

3,243.63

−734.25

−18.46

2019

3,955.83

712.20

21.96

2020

3,621.88

−334.55

−8.46

2021

4.310,15

688.87

19.02

2022

3,701.17

−608.98

−14.13

2023

3,707.77

6.6

0.18

2024

4,264.53

556.76

15.02

2025

5,078.43

813.90

19.09

Constituents

The following 20 stocks make up the BEL 20 as of March 31, 2026.

Company

ICB Sector

Ticker symbol

Index weighting (%)

In index since

AB InBev

Consumer Staples

11.75

Ackermans & van Haaren

Industrials

4.62

Aedifica

Real Estate

5.25

Ageas

Financials

8.19

Health Care

12.56

Aperam

Basic Materials

1.22

Azelis Group

Industrials

1.47

D'Ieteren

Consumer Discretionary

2.77

Elia Group

Utilities

5.28

GBL

Financials

4.65

KBC

Financials

11.72

Lotus Bakeries

Consumer Staples

3.24

Electronic Equipment

1.20

Montea

Real Estate

1.12

Sofina

Financials

2.49

Solvay

Basic Materials

1.49

Syensqo

Basic Materials

2.94

UCB

Health Care

12.36

Umicore

Basic Materials

2.60

Real Estate

3.43

Former companies in the BEL 20

Company

ICB Sector

Ticker symbol

Period in BEL 20

Ablynx

pharmaceuticals

– June 2018

Agfa-Gevaert

electronic equipment

– December 1994 – March 2009

Almanij

banks

No longer listed

– March 2005

Barco

Industrial Goods & Services

– January 1993 – March 2007 – March 2021

BarcoNet

electronic equipment

– November 2000

Befimmo-Sicafi

industrial and office REITs

– March 2016

Bekaert

industrial goods and services

– June 1999 – March 2018

Bpost

Industrial Goods and Services

– March 2019

CBR

Cement

No longer listed

– December 1999

Cofinimmo

Real Estate

No longer listed

- March 2026

CMB

Shipowners

No longer listed

– January 1999

CNP

Specialty finance

– May 2011

Cockerill-Sambre

Steel

No longer listed

– December 1996

Cobepa

Investment company

No longer listed

– September 2000

Cumerio

Copper

Delhaize Group

retail

– March 2017

Delta Lloyd

Insurance

– March 2016

Dexia

Banking

No longer listed

– March 2012

D'Ieteren

Consumer services

– March 2006 – March 2016

Electrabel

Electricity

ELE

– November 2005

Engie

Utilities

– March 2019

Galapagos

Health Care

– March 2025

Generale Bank

Banking

No longer listed

– July 1998

GIB Group

Supermarkets

No longer listed

– November 2002

IBA

Medical technology

No longer listed

– March 2003

ING Group

Banks

– March 2021

Mobistar

Telecom

– March 2013

Nyrstar

Metallurgy

– March 2009 – March 2013

Omega Pharma

Pharmaceuticals

OME

– December 2011

Ontex Group

Personal and Household Goods

– March 2020

Petrofina

Oil

No longer listed

– June 1999

Real Software

Technology

No longer listed

– February 2002

Recticel

Polyurethane based products

– January 1993

Royale Belge

Insurance

No longer listed

– June 1998

Société Générale de Belgique

Investment & Banking

No longer listed

– July 1998

Suez Environnement

Utility company

Telindus

ICT

No longer listed

– March 2002

Tessenderlo

Chemistry

– January 1993 – March 2004

ThromboGenics

Biopharmaceuticals

– March 2014

Tractebel

Energy

No longer listed

– November 1999

References