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Spanish short selling: week 31, 2025

From 28 Jul 2025 to 1 Aug 2025, 31 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

CompanyStartEndChange (pp)
REPSOL, S.A.2.49%2.77%+0.28
ENAGAS, S.A.8.27%8.44%+0.17
ORYZON GENOMICS, S.A.2.13%2.20%+0.07
BANKINTER, S.A.2.27%2.31%+0.04
SOLARIA ENERGIA Y MEDIOAMBIENTE, S.A.9.06%9.08%+0.02

Biggest falls

CompanyStartEndChange (pp)
AMPER, S.A.2.25%0.51%−1.74
TECNICAS REUNIDAS, S.A.1.17%1.08%−0.09
TUBACEX, S.A.0.51%0.50%−0.01

New disclosures

No companies entered the dataset this week.

Most shorted at week end

  1. SOLARIA ENERGIA Y MEDIOAMBIENTE, S.A., 9.08%
  2. ENAGAS, S.A., 8.44%
  3. REPSOL, S.A., 2.77%
  4. BANKINTER, S.A., 2.31%
  5. ORYZON GENOMICS, S.A., 2.20%

Full table: most shorted Spanish stocks.