Spanish short selling: week 41, 2025
From 6 Oct 2025 to 10 Oct 2025, 30 Spain 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 CNMV data.
Biggest rises
| Company | Start | End | Change (pp) |
|---|---|---|---|
| ENCE ENERGIA Y CELULOSA, S.A. | 1.08% | 1.40% | +0.32 |
| ATRESMEDIA CORPORACION DE MEDIOS DE COMUNICACION, S.A. | 0.60% | 0.72% | +0.12 |
| AMPER, S.A. | 1.01% | 1.10% | +0.09 |
| ACCIONA, S.A. | 2.02% | 2.10% | +0.08 |
Biggest falls
| Company | Start | End | Change (pp) |
|---|---|---|---|
| SOLARIA ENERGIA Y MEDIOAMBIENTE, S.A. | 7.27% | 6.20% | −1.07 |
| ORYZON GENOMICS, S.A. | 2.55% | 2.38% | −0.17 |
| ENAGAS, S.A. | 9.07% | 8.98% | −0.09 |
| SACYR, S.A. | 1.40% | 1.34% | −0.06 |
New disclosures
No companies entered the dataset this week.
Most shorted at week end
- ENAGAS, S.A., 8.98%
- SOLARIA ENERGIA Y MEDIOAMBIENTE, S.A., 6.20%
- REPSOL, S.A., 2.80%
- ORYZON GENOMICS, S.A., 2.38%
- GRIFOLS, S.A., 2.23%
Full table: most shorted Spanish stocks.