Spanish short selling: week 50, 2025
From 8 Dec 2025 to 12 Dec 2025, 29 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) |
|---|---|---|---|
| ENAGAS, S.A. | 9.29% | 9.50% | +0.21 |
| EDREAMS ODIGEO, S.A. | 2.02% | 2.23% | +0.21 |
| INDRA SISTEMAS, S.A. | 1.82% | 1.94% | +0.12 |
| ACERINOX, S.A. | 1.08% | 1.18% | +0.10 |
| ACCIONA, S.A. | 2.52% | 2.61% | +0.09 |
Biggest falls
| Company | Start | End | Change (pp) |
|---|---|---|---|
| SACYR, S.A. | 1.27% | 0.68% | −0.59 |
| ORYZON GENOMICS, S.A. | 2.59% | 2.32% | −0.27 |
| PHARMA MAR, S.A. | 1.10% | 1.09% | −0.01 |
New disclosures
No companies entered the dataset this week.
Left the dataset
Last published by the CNMV 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.
- AUDAX RENOVABLES, S.A., last figure 0.59% on 9 Dec 2025
Most shorted at week end
- ENAGAS, S.A., 9.50%
- SOLARIA ENERGIA Y MEDIOAMBIENTE, S.A., 6.55%
- ACCIONA, S.A., 2.61%
- GRIFOLS, S.A., 2.48%
- ORYZON GENOMICS, S.A., 2.32%
Full table: most shorted Spanish stocks.