Spanish short selling: week 40, 2026
From 28 Sep 2026 to 2 Oct 2026, 32 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) |
|---|---|---|---|
| SACYR, S.A. | 1.52% | 2.24% | +0.72 |
| GRENERGY RENOVABLES, S.A. | 0.50% | 1.04% | +0.54 |
| ENAGAS, S.A. | 4.81% | 4.91% | +0.10 |
| CELLNEX TELECOM, S.A. | 1.40% | 1.50% | +0.10 |
| GLOBAL DOMINION ACCESS, S.A. | 0.51% | 0.60% | +0.09 |
| BANKINTER, S.A. | 0.50% | 0.56% | +0.06 |
Biggest falls
| Company | Start | End | Change (pp) |
|---|---|---|---|
| EDREAMS ODIGEO, S.A. | 5.84% | 5.08% | −0.76 |
| TECNICAS REUNIDAS, S.A. | 3.70% | 3.11% | −0.59 |
| INDRA SISTEMAS, S.A. | 2.08% | 1.49% | −0.59 |
| SOLARIA ENERGIA Y MEDIOAMBIENTE, S.A. | 5.66% | 5.31% | −0.35 |
| VISCOFAN, S.A. | 2.44% | 2.35% | −0.09 |
| ACCIONA, S.A. | 1.21% | 1.12% | −0.09 |
| OBRASCON HUARTE LAIN, S.A. | 0.56% | 0.51% | −0.05 |
New disclosures
No companies entered the dataset this week.
Most shorted at week end
- SOLARIA ENERGIA Y MEDIOAMBIENTE, S.A., 5.31%
- EDREAMS ODIGEO, S.A., 5.08%
- ENAGAS, S.A., 4.91%
- TECNICAS REUNIDAS, S.A., 3.11%
- AMPER, S.A., 2.60%
Full table: most shorted Spanish stocks.