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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,[1] only to be replaced mid June by arGEN-X.

Rules

The composition of the BEL 20 index is reviewed annually based on closing prices on the last Friday in February.[2] 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.[2] 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.[2] The minimum requirement for an existing constituent to remain in the index is a market cap of 200000 times the index value.[2] At each annual review, the weights of companies in the index are capped at 15%,[2] 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.[3]

Constituents

The following 20 stocks make up the BEL 20 as of September 30, 2025.[4]

Former companies in the BEL 20

External links

References

  1. Frans bedrijf Sanofi neemt Ablynx over voor 3,9 miljard euro: "Voorzichtig tevreden, al blijven er heel wat vragen" demorgen.be, 29 January 2018, retrieved 15 June 2018^
  2. Rules for the BEL 20-Index Euronext, 1 October 2015, retrieved 1 October 2015^
  3. BEL 20 (^BFX) Historical Data – Yahoo Finance Yahoo! Finance, retrieved 2020-01-21^
  4. BEL 20 Composition Euronext, retrieved 2026-01-15^
  5. Annual review of BEL20 index Euronext, 31 May 2011, retrieved 22 June 2011^
  6. BEL20: KBC-Almanij Merger Euronext, retrieved 30 November 2007^
  7. Galapagos, ING en Ontex komen in de Bel-20-index de tijd, 4 March 2016, retrieved 4 March 2016^
  8. Bekaert verdwijnt uit Bel20 standaard.be, 7 March 2018, retrieved 15 June 2018^
  9. Index Announcement NYSE Euronext, 29 April 2011, retrieved 8 May 2011^
  10. Nieuwkomer Aperam samen met Sofina naar Bel20 beursduivel.be, 7 March 2017, retrieved 7 March 2017^
  11. Dexia valt uit Bel20 De Standaard, 2 January 2012, retrieved 12 January 2013^
  12. Suez replaces Electrabel in the BEL20 Index Euronext, retrieved 4 December 2007^
  13. Omega Pharma verdwijnt uit Bel20 na geslaagd bod Marc Coucke Trends, 27 December 2011, retrieved 12 January 2013^