From Investing.com

June 3, 2025 2:30 am:

In May, a total of $5.86 billion in Bitcoin flowed into exchange-traded funds (ETFs), reflecting a growing interest in the cryptocurrency market. This influx of funds highlights the increasing adoption of Bitcoin as an investment vehicle, with ETFs being a popular way for investors to gain exposure to digital assets.

Read more at Investing.com: $5.86 Billion In Bitcoin Flows Into ETFs In May