Spanish short selling: week 18, 2026
From 27 Apr 2026 to 1 May 2026, 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) |
|---|---|---|---|
| ATRESMEDIA CORPORACION DE MEDIOS DE COMUNICACION, S.A. | 0.76% | 1.26% | +0.50 |
| TECNICAS REUNIDAS, S.A. | 1.17% | 1.43% | +0.26 |
| AMPER, S.A. | 1.93% | 2.06% | +0.13 |
| NYESA VALORES CORPORACION, S.A. | 1.00% | 1.13% | +0.13 |
| GRIFOLS, S.A. | 4.02% | 4.12% | +0.10 |
| CELLNEX TELECOM, S.A. | 1.00% | 1.10% | +0.10 |
| ENCE ENERGIA Y CELULOSA, S.A. | 2.35% | 2.45% | +0.10 |
Biggest falls
| Company | Start | End | Change (pp) |
|---|---|---|---|
| EDREAMS ODIGEO, S.A. | 10.79% | 10.39% | −0.40 |
| ENAGAS, S.A. | 5.91% | 5.71% | −0.20 |
| REPSOL, S.A. | 1.51% | 1.40% | −0.11 |
| ORYZON GENOMICS, S.A. | 2.34% | 2.29% | −0.05 |
| INDRA SISTEMAS, S.A. | 4.82% | 4.79% | −0.03 |
| AMADEUS IT GROUP, S.A. | 1.11% | 1.10% | −0.01 |
New disclosures
No companies entered the dataset this week.
Most shorted at week end
- EDREAMS ODIGEO, S.A., 10.39%
- SOLARIA ENERGIA Y MEDIOAMBIENTE, S.A., 5.77%
- ENAGAS, S.A., 5.71%
- INDRA SISTEMAS, S.A., 4.79%
- GRIFOLS, S.A., 4.12%
Full table: most shorted Spanish stocks.