Bitcoin Spot ETFs Record $163 Million Net Inflow in Single Day

Bitcoin Spot ETFs Record $163 Million Net Inflow in Single Day

Bitcoin spot ETFs experienced substantial net inflows between September 15 and 19, with BlackRock’s IBIT dominating the gains, while Grayscale’s GBTC faced notable outflows.

BTC

Summary

From September 15 to 19, 2025, Bitcoin spot ETFs saw $887 million in net inflows. BlackRock’s IBIT accounted for $867 million, raising its total historical inflows to $60.64 billion. Grayscale’s Bitcoin Mini Trust (BTC) added $39.59 million, while GBTC experienced outflows of $86.14 million. The total net asset value of Bitcoin spot ETFs now stands at $152.31 billion, representing 6.63% of Bitcoin’s market cap.

Terms & Concepts
  • Bitcoin Spot ETF: An exchange-traded fund that directly holds Bitcoin as its underlying asset, allowing investors to gain exposure without directly purchasing the cryptocurrency.
  • Net Inflow: The difference between the amount of capital entering and leaving an investment product, reflecting overall investor sentiment and demand.