Four Funds Account for $499.5 Million of Oct. 21 Bitcoin ETF Inflows
The $524.8 million daily total extended a three-session inflow run. Net inflows over the latest five trading sessions reached $997.4 million.

Four funds accounted for $499.5 million of U.S. spot Bitcoin (BTC) exchange-traded fund inflows on Wednesday, Oct. 21, as the group posted a $524.8 million net gain with no fund reporting an outflow.
BlackRock’s iShares Bitcoin Trust (IBIT) drew $235 million, the largest individual fund inflow. Fidelity Wise Origin Bitcoin Fund (FBTC) followed with $212.7 million. Grayscale Bitcoin Trust (GBTC) added $32.6 million, and Bitwise Bitcoin ETF (BITB) took in $19.2 million. Together, the four funds represented about 95% of the day’s net inflow.
BTCO, BRRR, HODL, BTCW and MSBT recorded zero flows. All other funds combined for the remaining $25.3 million in net inflows.
The Oct. 21 result followed $23.2 million in net inflows on Oct. 20 and extended the run that began Oct. 19. A previous breakdown of the three-session inflow run covered the same period.
Across the latest five trading sessions, U.S. spot Bitcoin funds recorded $997.4 million in net inflows. Cumulative net flows since launch stood at $58.024 billion. The daily, five-session and cumulative figures cover different measurement windows.