On February 29th, according to Lookonchain monitoring data, today 8 ETFs increased their holdings by 14,934 BTC (approximately $9.4 billion), while Grayscale only reduced its holdings by 2,223 BTC (approximately $1.398 billion). Specifically: BlackRock increased its holdings by 10,140 BTC (approximately $6.38 billion); Fidelity increased its holdings by 4,066 BTC (approximately $2.559 billion).