Belgian (BEL20) Pharmaceuticals & Biotech Stocks - Biggest Losers Today

UPDATED Dec 23, 2025

Explore the Belgian (BEL20) Biggest Losers Today. These Pharmaceuticals & Biotech Stocks have seen the largest drop in Market Cap from the previous trading day.

CompanyLast Price1D Return1Y ReturnMarket CapAnalysts TargetValuationGrowthDiv Yield
ARGX
argenx
€720.60-0.7%19.2%€44.1b€811.50PE33.9xE26.1%n/a
BIOS
BioSenic
€0.0022-4.3%-61.4%€1.4mn/aPE-0.4xn/an/a
ALEMS
European Medical Solutions
€4.620%-27.1%€19.6mn/aPE16.7xn/an/a
OXUR
Oxurion
€0.00811.1%-96.9%€500.8kn/aPE0.3xn/an/a
CYAD
Celyad Oncology
€0.180.8%-74.8%€8.2mn/aPS44.3xn/an/a
HYL
Hyloris Pharmaceuticals
€5.940.7%11.2%€166.3m€13.20PS19.7xE79.9%n/a
TUB
Financière de Tubize
€215.000.2%52.5%€9.6b€230.50PE103.2xn/a0.5%
UCB
UCB
€240.801.4%27.1%€45.8b€264.67PE34.3xE17.5%0.6%