ChainCatcher report, according to SoSoValue data, the total net inflow into spot Bitcoin ETFs is $1.6 billion. The spot Bitcoin ETF with the highest single-day net inflow is BlackRock’s IBIT, with a single-day net inflow of $134 million; IBIT’s cumulative net inflow to date stands at $64.138 billion. Second is Fidelity’s FBTC, with a single-day net inflow of $533.33 million; FBTC’s cumulative net inflow to date is $10.335 billion. The spot Bitcoin ETF with the highest single-day net outflow is ARKB by Ark Invest and 21Shares, with a single-day net outflow of $419.546 million; ARKB’s cumulative net inflow to date is $1.181 billion. As of the time of this report, the total net asset value of spot Bitcoin ETFs is $100.092 billion, with the ETF net asset ratio (market value as a percentage of Bitcoin’s total market cap) at 6.3%, and cumulative net inflows to date reaching $55.315 billion.
Bitcoin spot ETFs see $160M net inflow, with BlackRock’s IBIT leading at $134M.
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Summary
Bitcoin news reports that Bitcoin spot ETFs recorded $160 million in net inflows on September 14, 2026. BlackRock’s IBIT led with $134 million, bringing its total to $64.14 billion. Fidelity’s FBTC added $53.33 million, while Ark Invest and 21Shares’ ARKB lost $41.95 million. Total net asset value now stands at $100.09 billion, or 6.3% of Bitcoin’s market cap. Bitcoin analysis shows sustained institutional interest in the asset class.
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