[Santiment Data Shows Recent Bitcoin Whale Accumulation] On March 15, Santiment on-chain data revealed that wallets holding 10 to 10,000 BTC control 68.17% of Bitcoin's total supply, up from 68.07% seven days ago, indicating a recent accumulation rebound. A week ago (around March 6), these whales sold approximately 66% of their holdings when Bitcoin's price broke above $74,000.