[Bitcoin 'Shark' Group Increased Holdings by Approximately 65,000 BTC Last Week] According to Bitcoin News, the Bitcoin 'shark' group (holding 100 to 1,000 BTC) increased their holdings by approximately 65,000 BTC last week, with a total increase of approximately 93,000 BTC over the past 30 days, bringing their total holdings to a record high of 3.65 million BTC.