Bitcoin Whales Have Moved $5B Into BlackRock’s IBIT: Here’s Why

Large Bitcoin holders have moved roughly $5 billion of BTC into BlackRock’s IBIT, citing the appeal of regulated, custodied ETF exposure and BlackRock’s scale and reputation. The flows reflect a broader reallocation away from exchange custody toward institutional ETF wrappers that offer compliant, passive exposure and easier on‑ramps for large investors. The key implication is that meaningful amounts of supply are being concentrated in custodial ETFs—potentially bullish by reducing available float—but this also raises centralization and counterparty concentration risks for Bitcoin.