WatcherGuru
BlackRock's spot Bitcoin ETF now holds 734,762 BTC on behalf of its investors, a stash worth over $47.1 billion at current prices. The figure underscores the speed at which IBIT has scaled since launch: in roughly fourteen months it has gone from zero to the largest spot BTC fund in the world by AUM.
Why it matters
The headline number is bigger than the holdings of most public-company treasuries and rival sovereign-grade BTC accumulators, all packaged inside a regulated US ETF wrapper. That wrapper is the actual product: pensions, RIAs, and bank-balance-sheet allocators who cannot self-custody or wire to offshore venues now hold BTC through a conventional brokerage account, with BlackRock's name on the back. Cumulative net inflows since launch have already pushed past $30 billion, a pace that has lapped every comparable launch in the ETF industry's history.
Market impact
IBIT alone now accounts for the majority of net inflows across the eleven US spot BTC ETFs since conversion, and its inflows have tracked a consistent bid even during BTC drawdowns. With $47.1B in AUM, the fund has crossed the threshold where single-day creation/redemption activity routinely moves CME basis and intraday spot liquidity. Watch the next tier: when IBIT crosses 800,000 BTC it will hold more Bitcoin than every MicroStrategy treasury acquisition since 2020 combined, a marker that institutional vehicles have become the dominant marginal buyer.
Frequently asked questions
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How much Bitcoin does BlackRock's spot ETF hold?
BlackRock's spot Bitcoin ETF now holds 734,762 BTC, worth over $47.1 billion at current prices, making IBIT the largest spot BTC fund in the world by AUM.
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When did BlackRock's spot Bitcoin ETF launch?
BlackRock's spot Bitcoin ETF launched in January 2024 and reached 734,762 BTC in roughly fourteen months, a pace that has lapped every comparable ETF launch in the industry's history.
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How much has IBIT taken in since launch?
Cumulative net inflows into IBIT since launch have already crossed $30 billion, accounting for the majority of net inflows across all eleven US spot BTC ETFs since conversion.
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Why does the ETF wrapper matter for institutional buyers?
The regulated US ETF wrapper lets pensions, RIAs, and bank-balance-sheet allocators hold BTC through a conventional brokerage account without self-custody or wiring to offshore venues, with BlackRock's name attached.
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What is the next milestone for IBIT?
When IBIT crosses 800,000 BTC it will hold more Bitcoin than every MicroStrategy treasury acquisition since 2020 combined, a marker that institutional vehicles have become the dominant marginal buyer.
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