Bitcoin exchange-traded funds (ETFs) recorded a total net inflow of $163.02 million on September 18. Fidelity's $FBTC led the inflows with $97.35 million, followed by Ark Invest's $ARKB with $25 million. Bitwise's $BITB and Grayscale Mini's $BTC also saw significant inflows of $12.78 million and $10.93 million, respectively. Other notable contributions included Invesco's $BTCO with $3.51 million and Franklin's $EZBC with $6.80 million. Meanwhile, BlackRock's $IBIT, Valkyrie's $BRRR, WisdomTree's $BTCW, and Grayscale's $GBTC reported no net inflows.