TechFlow news, according to Lookonchain monitoring, U.S. spot Bitcoin ETF data on May 15 shows:
- The total holdings of nine Bitcoin ETFs increased by 2,106 bitcoins, worth approximately $135.46 million;
- Grayscale reduced its holdings by 12 bitcoins, worth approximately $763,000; current holdings stand at 289,337 bitcoins, worth approximately $18.61 billion;
- Ark21Shares added 2,164 bitcoins, worth approximately $139.2 million, bringing their total holdings to 45,705 bitcoins, worth approximately $2.94 billion.




