Banco Santander disclosed a spot Bitcoin ETF holding in a Form 13F-HR filed with the SEC on July 29, 2026, listing shares of BlackRock's iShares Bitcoin Trust.

Banco Santander disclosed a $4.3 million position in US spot Bitcoin ETFs, signaling growing institutional crypto adoption among major European

Spain's largest bank is the latest to buy Bitcoin exposure via BlackRock's IBIT ETF.