Belgian short selling: week 37, 2025

From 8 Sep 2025 to 12 Sep 2025, 13 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

No disclosed positions rose this week.

Biggest falls

Company	Start	End	Change (pp)
MELEXIS	1.09%	0.50%	−0.59
SOLVAY	2.07%	1.49%	−0.58
ONTEX	2.51%	2.48%	−0.03

New disclosures

No companies entered the dataset this week.

Left the dataset

Last published by the FSMA this week, and in no publication since: the figure shown is the one each carried in that final publication. Leaving usually means the position fell below the disclosure threshold, not that shorting stopped entirely.

COFINIMMO, last figure 0.56% on 8 Sep 2025

Most shorted at week end

AEDIFICA, 2.59%
ONTEX, 2.48%
SOLVAY, 1.49%
BIOCARTIS, 1.21%
BARCO, 1.02%

Full table: most shorted Belgian stocks.