| 1 | Anheuser-Busch InBev | ABI | Beverage / Brewing | €144.28B | ~1.01% |
| 2 | UCB SA | UCB | Biopharmaceuticals | €51.63B | ~0.50% |
| 3 | argenx SE | ARGX | Biotechnology | €49.33B | N/A (Growth) |
| 4 | KBC Group | KBC | Financials / Banking | €45.60B | ~2.96% |
| 5 | Ageas SA/NV | AGS | Insurance | €15.71B | ~3.57% |
| 6 | Elia Group | ELI | Utilities / Grid Operator | €13.59B | ~1.18% |
| 7 | Lotus Bakeries | LOTB | Consumer / Food Products | €10.71B | ~0.49% |
| 8 | Financière de Tubize | TUB | Biopharma Investment Holding (UCB) | €9.84B | ~0.44% |
| 9 | Sofina | SOF | Investment Holding / Private Equity | €9.53B | ~0.99% |
| 10 | D’Ieteren Group | DIE | Automotive Services / Belron | €9.27B | ~0.81% |
| 11 | Groupe Bruxelles Lambert (GBL) | GBLB | Investment Holding / Asset Mgmt | €9.11B | ~5.00% |
| 12 | Ackermans & van Haaren | ACKB | Investment Holding / Engineering | €8.49B | ~1.24% |
| 13 | Syensqo | SYENS | Specialty Chemicals (Solvay spin-off) | €7.90B | ~1.40% |
| 14 | KBC Ancora | KBCA | Financial Holding (KBC Group) | €7.20B | ~3.15% |
| 15 | Aedifica | AED | Healthcare Real Estate (REIT) | €5.28B | ~4.44% |
| 16 | CMB.TECH | CMBT | Maritime / Maritime Tech | €4.80B | ~7.36% |
| 17 | Warehouses De Pauw (WDP) | WDP | Logistics Real Estate (REIT) | €4.65B | ~4.45% |
| 18 | Cenergy Holdings | CENER | Energy Cables & Steel Pipes | €4.57B | ~0.84% |
| 19 | Colruyt Group | COLR | Retail / Supermarkets | €4.24B | ~3.20% |
| 20 | Umicore | UMI | Materials Tech & Recycling | €4.23B | ~1.70% |
| 21 | DEME Group | DEME | Marine Engineering & Dredging | €4.18B | ~1.85% |
| 22 | Viohalco | VIO | Metal Processing Holding | €3.97B | ~1.50% |
| 23 | Titan Cement Group | TITC | Building Materials & Cement | €3.62B | ~1.90% |
| 24 | Brederode | BREB | Private Equity Holding | €2.96B | ~1.20% |
| 25 | Azelis Group | AZE | Specialty Chemical Distribution | €2.85B | ~1.10% |
| 26 | Shurgard Self Storage | SHUR | Self Storage Real Estate | €2.49B | ~3.80% |
| 27 | Solvay SA | SOLB | Essential Chemicals | €2.46B | ~10.38% |
| 28 | Melexis | MELE | Automotive Semiconductors | €2.29B | ~3.70% |
| 29 | NV Bekaert | BEKB | Steel Wire Transformation & Coating | €1.95B | ~3.10% |
| 30 | VGP NV | VGP | Logistics Real Estate Development | €1.89B | ~3.60% |
| 31 | Solvac | SOLV | Chemical Holding (Solvay Anchor) | €1.83B | ~6.20% |
| 32 | Gimv | GIMB | Private Equity & Venture Capital | €1.81B | ~5.40% |
| 33 | Proximus PLC | PROX | Telecommunications | €1.80B | ~7.63% |
| 34 | Fagron | FAGR | Pharmaceutical Compounding | €1.73B | ~1.40% |
| 35 | Montea | MONT | Logistics Real Estate (REIT) | €1.49B | ~5.10% |
| 36 | Orange Belgium | OBEL | Telecommunications | €1.48B | ~1.80% |
| 37 | Fluxys Belgium | FLUX | Gas Infrastructure / Pipeline | €1.46B | ~6.50% |
| 38 | Spadel | SPA | Mineral Water & Drinks | €1.45B | ~1.30% |
| 39 | Cofinimmo | COFB | Healthcare Real Estate (REIT) | €1.38B | ~7.80% |
| 40 | Kinepolis Group | KIN | Cinema Operations & Entertainment | €1.32B | ~2.10% |
| 41 | Sipef | SIP | Agro-industrial / Sustainable Palm | €1.15B | ~3.90% |
| 42 | Xior Student Housing | XIOR | Student Housing Real Estate (REIT) | €1.14B | ~6.80% |
| 43 | EnergyVision | ENRGY | Renewable Energy & EV Infrastructure | €1.07B | ~1.50% |
| 44 | Tessenderlo Group | TESB | Specialty Agriculture & Industrial | €1.02B | ~1.80% |
| 45 | Retail Estates | RET | Out-of-town Retail Properties (REIT) | €945.16M | ~7.40% |
| 46 | Exmar | EXM | Shipping & Gas Infrastructure | €890.58M | ~5.20% |
| 47 | Jensen-Group | JEN | Industrial Laundry Automation | €673.45M | ~2.20% |
| 48 | Recticel | RECT | Insulation Solutions & Polyurethane | €644.26M | ~2.60% |
| 49 | Wereldhave Belgium | WEHB | Shopping Centre Real Estate (REIT) | €580.85M | ~8.10% |
| 50 | Floridienne | FLOB | Specialty Chemicals & Gourmet Food | €562.67M | ~1.60% |
| 51 | Barco | BAR | Display & Visualization Tech | €534.72M | ~2.80% |
| 52 | Care Property Invest | CPINV | Healthcare Real Estate (REIT) | €526.72M | ~6.90% |
| 53 | TINC | TINC | Infrastructure Investment Holding | €509.09M | ~7.20% |
| 54 | Ion Beam Applications | IBAB | Cancer Radiotherapy Equipment | €474.72M | ~1.20% |
| 55 | Nextensa | NEXTA | Real Estate Investor & Developer | €471.45M | ~5.60% |
| 56 | Vastned Belgium | VASTB | Commercial Real Estate (REIT) | €460.75M | ~7.10% |
| 57 | Materialise | MTLS | 3D Printing & Additive Manufacturing | €445.91M | N/A (Tech) |
| 58 | Compagnie du Bois Sauvage | COMB | Investment Holding | €431.23M | ~3.10% |
| 59 | Ascencio | ASCE | Commercial Real Estate (REIT) | €371.61M | ~7.50% |
| 60 | Van de Velde | VAN | Premium Apparel / Lingerie | €364.44M | ~6.40% |
| 61 | Home Invest Belgium | HOMI | Residential Real Estate (REIT) | €355.63M | ~5.20% |
| 62 | Deceuninck | DECB | PVC Building Systems & Window Profiles | €327.64M | ~2.90% |
| 63 | Moury Construct | MOUR | General Construction & Civil Works | €269.16M | ~3.80% |
| 64 | CFE | CFEB | Construction, Real Estate & Multitechnics | €266.61M | ~3.20% |
| 65 | Campine | CAMB | Lead Recycling & Specialty Chemicals | €264.00M | ~4.10% |