According to Cas Abbé (@cas_abbe on X, Sep 11, 2025), Bitcoin sharks added about 65,000 BTC in the last 7 days, marking the fastest buying pace of the year (source: @cas_abbe). According to Cas Abbé, their holdings increased by 93,000 BTC over the past month to a record 3.65 million BTC (source: @cas_abbe). According to Cas Abbé, these mid-sized whales have historically bought aggressively during key market setups, and such ramp-ups typically signal strong conviction that larger moves are ahead (source: @cas_abbe).