BlackRock’s Bitcoin ETF draws a $380M single‑day inflow
What happened
BlackRock’s spot Bitcoin ETF (IBIT) recorded a $380 million single‑day inflow in March, bucking the broader equity outflows and signalling investor appetite for diversified, non‑correlated allocations. That spike shows asset managers are still reallocating into alternative exposures amid market volatility. (openpr.com)
Why it matters
BlackRock’s iShares Bitcoin Trust (IBIT) held roughly 777,872 BTC — about $54.4 billion in assets under management — in early March 2026, making it the single largest institutional holder among U.S. spot Bitcoin ETFs. (trendspider.com) (trendspider.com) U.S. spot Bitcoin ETFs recorded approximately $2.5 billion in net inflows across March 2026, narrowing the year‑to‑date ETF deficit to roughly $210 million. (coira.io) (coira.io) On March 23, IBIT supplied about $160 million of the $167 million single‑day net inflow that ended a multi‑day outflow streak, equal to roughly 95.8% of that day’s positive flows across U.S. spot Bitcoin ETFs. (tradingnews.com) (tradingnews.com) IBIT concentrated buying in early March coincided with record trading days for the ETF complex — March 2 registered roughly $31.6 billion in gross trading volume across spot Bitcoin ETFs, and IBIT absorbed about $306.6 million in one session on March 4. (btc.network) (btc.network; investing.com) ETF vehicles reaccumulated an estimated 38,000 BTC during March 2026, a pullback of February’s withdrawals that materially reduced 2026 net ETF outflows. (blockonomi.com) (blockonomi.com) IBIT’s operational plumbing lists Coinbase Prime as prime broker/custodian and BlackRock’s iShares platform highlights BlackRock’s wider scale — about $12.5 trillion in firm‑level AUM and Coinbase Prime custody of roughly $245 billion in institutional assets (figures as of mid‑2025 disclosures). (ishares.com) (ishares.com; blackrock.com)
Key numbers
- BlackRock’s spot Bitcoin ETF (IBIT) recorded a $380 million single‑day inflow in March, bucking the broader equity outflows and signalling investor appetite for diversified, non‑correlated allocations.
- (openpr.com) BlackRock’s iShares Bitcoin Trust (IBIT) held roughly 777,872 BTC — about $54.4 billion in assets under management — in early March 2026, making it the single largest institutional holder among U.S.
- spot Bitcoin ETFs recorded approximately $2.5 billion in net inflows across March 2026, narrowing the year‑to‑date ETF deficit to roughly $210 million.
- (coira.io) (coira.io) On March 23, IBIT supplied about $160 million of the $167 million single‑day net inflow that ended a multi‑day outflow streak, equal to roughly 95.8% of that day’s positive flows across U.S.
Quick answers
What happened in BlackRock’s Bitcoin ETF draws a $380M single‑day inflow?
BlackRock’s spot Bitcoin ETF (IBIT) recorded a $380 million single‑day inflow in March, bucking the broader equity outflows and signalling investor appetite for diversified, non‑correlated allocations. That spike shows asset managers are still reallocating into alternative exposures amid market volatility. (openpr.com)
Why does BlackRock’s Bitcoin ETF draws a $380M single‑day inflow matter?
BlackRock’s iShares Bitcoin Trust (IBIT) held roughly 777,872 BTC — about $54.4 billion in assets under management — in early March 2026, making it the single largest institutional holder among U.S. spot Bitcoin ETFs. (trendspider.com) (trendspider.com) U.S. spot Bitcoin ETFs recorded approximately $2.5 billion in net inflows across March 2026, narrowing the year‑to‑date ETF deficit to roughly $210 million. (coira.io) (coira.io) On March 23, IBIT supplied about $160 million of the $167 million single‑day net inflow that ended a multi‑day outflow streak, equal to roughly 95.8% of that day’s positive flows across U.S. spot Bitcoin ETFs. (tradingnews.com) (tradingnews.com) IBIT concentrated buying in early March coincided with record trading days for the ETF complex — March 2 registered roughly $31.6 billion in gross trading volume across spot Bitcoin ETFs, and IBIT absorbed about $306.6 million in one session on March 4. (btc.network) (btc.network; investing.com) ETF vehicles reaccumulated an estimated 38,000 BTC during March 2026, a pullback of February’s withdrawals that materially reduced 2026 net ETF outflows. (blockonomi.com) (blockonomi.com) IBIT’s operational plumbing lists Coinbase Prime as prime broker/custodian and BlackRock’s iShares platform highlights BlackRock’s wider scale — about $12.5 trillion in firm‑level AUM and Coinbase Prime custody of roughly $245 billion in institutional assets (figures as of mid‑2025 disclosures). (ishares.com) (ishares.com; blackrock.com)
