BlackRock’s iShares Bitcoin Trust (IBIT) has accumulated 806,700 bitcoins (BTC) worth approximately $63.7 billion. The total represents a new all-time high for the world’s largest spot ETF, the BlackRock Bitcoin ETF.
The record comes after nine consecutive trading days of net inflows, with IBIT adding nearly 21,500 BTC. Institutional demand for regulated Bitcoin exposure continues to grow as BTC trades near $78,000.
BlackRock’s IBIT dominates the US bitcoin ETF market
BlackRock now controls approximately 49% of the total Spot Bitcoin ETF assets in the United States. This puts it well ahead of Fidelity’s FBTC and Grayscale’s GBTC.
Registered European Training Foundation Net inflows on 48 of 62 trading days during the first quarter of 2026. These flows totaled an estimated $8.4 billion for the quarter.
The pace of buying picked up in mid-April. IBIT attracted $291.9 million on April 15 and $269.3 million on April 10, according to ETF Flow. Data. This constant demand Pushing total holdings past 800,000 BTC Mark for the first time.
Across the broader market, US bitcoin ETFs reflected four months of capital flight. The group has raised nearly $2 billion over four consecutive weeks of net positive inflows. IBIT contributed approximately $1.7 billion of this total.
MicroStrategy regains the title of largest holder
Despite its IBIT record, the fund is no longer the largest holder of Bitcoin. MicroStrategy Corporation recently The ETF exceeded 815,061 BTC on its balance sheet. The company regained the lead it lost in the second quarter of 2024.
The company led by Michael Saylor has Bought strongly this monthIt added 13,927 Bitcoins for nearly $1 billion on April 13 alone. The gap between the two is now around 8,300 BTC.
BlackRock is also expanding its cryptocurrency product lineup. The asset manager recently filed an amended S-1 application with the Securities and Exchange Commission (SEC) for a bitcoin income ETF under the ticker BITA. The proposed fund will generate return through a covered call strategy linked to IBIT.
As both IBIT and MicroStrategy continue to add BTC, the race between the largest institutional holders may intensify during the second quarter.
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