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)
Constituent Companies
Index Country
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