As of September 30, 2026, Barclays reported a $187 million stake in BlackRock's Bitcoin ETF, reflecting a 48% increase from the previous quarter. Citigroup also disclosed a new $119 million position in Fidelity’s Bitcoin ETF. Overall, banks accounted for $258 million, or 4.9%, of reported spot Bitcoin ETF holdings among early third-quarter filers, up from $107 million, or 3.2%, in Q2. The total value of reported spot Bitcoin ETF holdings rose to $5.25 billion from $3.35 billion, indicating a significant shift in institutional investment.