Bitcoin “sharks,” defined as entities holding between 100 and 1,000 BTC, have significantly increased their exposure over the past week, adding more than 54,000 Bitcoin as on-chain data points to renewed accumulation among mid-sized holders. Bitcoin sharks collectively added approximately 54,000 BTC over the past seven days, lifting their total holdings to around 3.575 million BTC, per Glassnode data. The move marks one of the strongest weekly accumulation phases for this cohort in recent months and suggests growing conviction despite recent market volatility
source: https://finbold.com/bitcoin-sharks-add-over-54000-btc-in-a-week-as-accumulation-spikes/