BlackRock Absorbs $600 Million in Bitcoin as One Major Crypto Bleeds

Bitcoin (BTC) spot ETFs recorded $767 million in net inflows from March 9 to March 13, with BlackRocks IBIT accounting for $600.1 million of that total. Grayscales GBTC remained the largest seller, posting $25.9 million in net outflows during the same period. BlackRock Leads as ETH and SOL Follow The five-day streak marked the first unbroken run of daily inflows for BTC ETFs in 2026, according to SoSoValue data. Bitcoin ETF Flows. On-chain analytics firm Arkham confirmed BlackRocks dominance in the weekly ETF race. IBIT alone absorbed more than 78% of all net BTC inflows. This reinforces the asset managers position as the largest institutional buyer of Bitcoin through regulated products. BLACKROCK BOUGHT $600M OF BTC IN A WEEKETF breakdown:BTC Net flow: +$763.4M INFLOWBiggest buyer: BlackRock IBIT (+$600.1M)Biggest seller: Grayscale GBTC (-$25.9M)ETH Net flow: +$160.9M INFLOWBiggest buyer: Fidelity FETH (+$90.1M)Biggest seller: Grayscale ETHE (-$13.4M) Arkham (@arkham) March 16, 2026 Ethereum (ETH) spot ETFs also extended their momentum, pulling in $160.9 million over the same window. Fidelitys FETH led purchases at $90.1 million, while Grayscales ETHE saw $13.4 million in outflows. Solana (SOL) spot ETFs posted a modest $10.7 million in net inflows, signaling early institutional interest in the asset class. XRP ETFs Buck the Trend While capital flowed into BTC, ETH, and SOL products, XRP (XRP) spot ETFs diverged sharply. The funds recorded $28.07 million in net outflows during the week, making XRP the only major crypto ETF category to see withdrawals. XRP ETF Flows. The outflows add to a difficult March for XRP ETFs, which have seen persistent institutional selling despite the tokens cumulative ETF inflows still sitting above $1.2 billion since launch. Whether this divergence reflects a temporary rotation or a deeper shift in institutional sentiment toward XRP remains an open question heading into the second half of March.