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Belgian short selling: week 4, 2026

From 19 Jan 2026 to 23 Jan 2026, 16 Belgium companies had disclosed short positions across 5 publication days. Changes are percentage points (pp) of issued share capital, between each company's last figure before the week and its last figure of the week, from official FSMA data.

Biggest rises

CompanyStartEndChange (pp)
SOLVAY4.86%6.54%+1.68
AEDIFICA5.65%6.11%+0.46
AZELIS1.31%1.37%+0.06

Biggest falls

CompanyStartEndChange (pp)
MELEXIS1.29%1.18%−0.11
ONTEX1.30%1.21%−0.09

New disclosures

No companies entered the dataset this week.

Most shorted at week end

  1. SOLVAY, 6.54%
  2. AEDIFICA, 6.11%
  3. AZELIS, 1.37%
  4. ONTEX, 1.21%
  5. BIOCARTIS, 1.21%

Full table: most shorted Belgian stocks.