Bitcoin and Ethereum ETFs See $23 Billion AUM Jump, but Fresh Demand Lags

The combined assets under management of U.S.-listed spot Bitcoin and Ethereum ETFs jumped by approximately $23 billion in just one week. However, a closer look at the data reveals that only about $2.6 billion of this increase came from genuinely new money entering the products.

This discrepancy highlights how much of the growth can be attributed to price appreciation rather than fresh institutional demand. When Bitcoin or Ether prices rise, the value of every coin sitting in the fund increases accordingly, inflating AUM without any additional subscriptions.

The $2.6 billion of net new money still represents a significant amount of positive demand for these products. Consistent subscriptions have been defining recent weeks, with spot Bitcoin funds alone logging $1.918 billion in net inflows during the Aug. 17-21 window.