BlackRock bought 12,272 BTC ($742 million) in the last 16 days, as monitored by Lookonchain. Between August 27 and September 24, when BTC traded below $60,000 for a long time, BlackRock made little accumulation. Since September 24, they have resumed buying, adding 12,272 BTC to their current holdings of 369,822 BTC ($22.40 billion).