BEL-20 INDEX (BEL20) Companies by Market Cap

BEL-20 INDEX (BEL20) companies by market cap. The BEL-20 INDEX (BEL20) tracks 20 constituent companies with a combined market cap of $378.43 Billion, covering the largest publicly traded companies in Belgium. This ranking lists all BEL20 index holdings ordered by market capitalization — from the largest index heavyweights to smaller constituents. Updated daily with live market data.

Total Market Cap (USD)

$378.43 Billion

Constituent Companies

20

Index Country

Belgium

Top BEL-20 INDEX Stocks by Market Capitalization (November 2026)

Top BEL-20 INDEX stocks by market capitalization as of November 2026, covering 20 index constituents.

Rank Company Weight (%) Market Cap (USD) Sector Industry Price 24h Change
1 Anheuser Busch Inbev SA NV
BR:ABI
% $131.36 Billion Consumer Defensive Beverages - Brewers €75.70 +0.05%
2 KBC Groep NV
BR:KBC
% $51.99 Billion Financial Services Banks - Regional €117.40 +0.30%
3 Argen-X
BR:ARGX
% $47.46 Billion Healthcare Biotechnology €815.80 +0.02%
4 UCB SA
BR:UCB
% $38.48 Billion Healthcare Biotechnology €290.90 +0.24%
5 ageas SA/NV
BR:AGS
% $15.72 Billion Financial Services Insurance - Diversified €77.50 -1.27%
6 Elia Group SA/NV
BR:ELI
% $12.77 Billion Utilities Utilities - Regulated Electric €134.00 +0.30%
7 Groep Brussel Lambert NV
BR:GBLB
% $9.89 Billion Financial Services Asset Management €79.05 -0.06%
8 D'Ieteren Group SA
BR:DIE
% $9.80 Billion Consumer Cyclical Auto & Truck Dealerships €178.60 -2.03%
9 Sofina Société Anonyme
BR:SOF
% $8.86 Billion Financial Services Asset Management €267.60 -1.98%
10 Ackermans & Van Haaren NV
BR:ACKB
% $8.78 Billion Industrials Engineering & Construction €268.00 -0.30%
11 Lotus Bakeries
BR:LOTB
% $8.25 Billion Consumer Defensive Packaged Foods €14060.00 -0.14%
12 Syensqo
BR:SYENS
% $8.20 Billion Basic Materials Chemicals €76.70 -2.91%
13 Warehouses de Pauw Comm VA
BR:WDP
% $5.12 Billion Real Estate REIT - Industrial €19.40 +0.00%
14 Umicore S.A.
BR:UMI
% $4.80 Billion Industrials Waste Management €18.47 -0.91%
15 Aedifica
BR:AED
% $3.65 Billion Real Estate REIT - Healthcare Facilities €65.65 +0.84%
16 Cofinimmo SA
BR:COFB
% $3.47 Billion Real Estate REIT - Healthcare Facilities €82.85 -1.84%
17 Azelis Group NV
BR:AZE
% $3.08 Billion Basic Materials Specialty Chemicals €11.75 -1.67%
18 Solvay SA
BR:SOLB
% $2.96 Billion Basic Materials Chemicals €24.36 -0.73%
19 Melexis NV
BR:MELE
% $2.24 Billion Technology Semiconductors €53.40 +1.71%
20 Galapagos N.V.
AS:GLPG
% $1.55 Billion Healthcare Biotechnology €26.90 +4.67%

How BEL-20 INDEX Constituents Are Ranked by Market Cap

BEL-20 INDEX constituents are ranked by market cap, alongside each company's weight in the index.

Complete list of all companies in the BEL20 index ranked by market capitalization. Track index constituent performance and market values. View all indices