According to Lookonchain data, on March 28th, 9 Bitcoin spot ETFs (including grayscale) net increased their holdings of 534 BTCs, with a net inflow of approximately $38.12 million. Among them, grayscale reduced its holdings of 3072 BTCs, with a net outflow of approximately 219 million US dollars. Currently, it holds 339536 BTCs, equivalent to approximately 24.24 billion US dollars. 21Shares increased its holdings of 2924 BTCs, with a net inflow of approximately $208 million. Currently, it holds ...