Bitcoin Spot ETFs See $118M Net Inflow on March 31, BlackRock’s IBIT Leads with $98.42M

BroadChain04/01/2026, 12:33 PM

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Summary

On March 31, U.S. bitcoin spot ETFs recorded a single-day net inflow of $118 million. BlackRock’s IBIT led with $98.42 million in net inflows, followed closely by Fidelity’s FBTC. The total assets under management (AUM) for these ETFs now stand at $87.46 billion, with cumulative net inflows exceeding $56.1 billion to date.

According to SoSoValue data, U.S. spot Bitcoin ETFs saw a net inflow of $118 million on March 31 (Eastern Time).

Breaking down the performance by fund, BlackRock's IBIT led the pack with a daily net inflow of $98.42 million, bringing its cumulative total to $63.20 billion. Fidelity's FBTC followed with a net inflow of $16.24 million, raising its cumulative figure to $11.03 billion.

Overall, the total assets under management (AUM) for U.S. spot Bitcoin ETFs now stand at $87.46 billion. These ETFs represent 6.40% of Bitcoin's total market capitalization, with cumulative net inflows since launch reaching $56.12 billion.