DOSSIER · 13F Holders · Q2 2026
BANCO SANTANDER S.A.
5 institutions still hold BANCO SANTANDER S.A. as of Q2 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.
CUSIP 05964H905·5 13F holders·last filed Jun 30, 2026
AI Holders Summary · Q2 2026
5 institutions reported BANCO SANTANDER S.A. in Q2 2026. Optiver Holding B.V. leads at 39.2% of the visible book.
Top holders
Sorted by position value. Source: SEC EDGAR 13F-HR filings.