Banco Santander reports $4.3 million stake in spot Bitcoin ETFs

Banco Santander reports $4.3 million stake in spot Bitcoin ETFs

The Spanish lender’s latest SEC filing also disclosed a $3.54 million position in BlackRock’s spot Ether fund, alongside a smaller gold ETF stake, underscoring limited but direct exposure through regulated products.

BTC
ETH

Fact Check
The core claim—Banco Santander disclosing a $4.3 million stake in US spot Bitcoin ETFs—originates from Bitcoin Magazine's July 30, 2026 X post and is consistently repeated by PANews, CoinNess (specifying BlackRock's IBIT, held as of Q2), Bitcoin Sistemi, and CryptoNews. The surrounding context is independently corroborated: multiple outlets confirm Santander scored ~35% (mid-level, alongside Société Générale) on Strategy's 2026 Bitcoin Banking Adoption Index, and that Openbank expanded crypto services in Europe. The main limitation is that I could not directly access an SEC 13F filing to verify the exact dollar figure, so all reporting ultimately traces back to a single originating claim rather than an independently confirmed primary regulatory document. The index-related and Europe-expansion elements are solidly supported, warranting a likely_true assessment at medium confidence.
Summary

Banco Santander disclosed in a Securities and Exchange Commission 13F filing that it held 129,615 shares of BlackRock’s iShares Bitcoin Trust, worth about $4.31 million, and 297,947 shares of the iShares Ethereum Trust, worth about $3.54 million. The filing marks the first time the Spanish bank has disclosed both positions and adds to evidence that large financial institutions are using regulated exchange-traded funds to gain crypto exposure rather than holding digital tokens directly. Santander also reported a $1.51 million stake in the iShares Gold Trust. Its disclosed U.S. equity holdings totaled about $16.08 billion, with the crypto ETF positions accounting for roughly 0.05%, indicating the investments remain modest within the broader portfolio.

Terms & Concepts
  • iShares Bitcoin Trust: BlackRock’s exchange-traded fund designed to give investors exposure to Bitcoin through listed shares.
  • iShares Ethereum Trust: BlackRock’s exchange-traded fund that provides market exposure to Ether through publicly traded shares.
  • 13F filing: A quarterly SEC report that discloses certain U.S. equity holdings of large institutional investment managers.