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TLDR
BlackRock’s IBIT Bitcoin ETF reached $70 billion in assets under management in just 341 trading days, breaking the previous record by 5x IBIT holds 662,707 Bitcoin, making it the largest institutional Bitcoin holder with nearly 20% of all public company Bitcoin holdings The fund outperformed all other spot Bitcoin ETFs with $48.7 billion in net inflows since launch in January 2024 Six public companies plan to raise up to $76 billion for potential Bitcoin purchases, representing 56% of current Bitcoin ETF assets IBIT could surpass Satoshi Nakamoto’s estimated 1.1 million Bitcoin holdings by the end of next summer according to analystsBlackRock’s iShares Bitcoin Trust (IBIT) has shattered ETF industry records by reaching $70 billion in assets under management in just 341 trading days. The achievement marks the fastest pace for any ETF to hit this milestone in history.
Bloomberg ETF analyst Eric Balchunas announced the milestone on June 6, highlighting that IBIT beat the previous record holder by a wide margin. The SPDR Gold Shares ETF (GLD) took 1,691 trading days to reach $70 billion, making BlackRock’s Bitcoin fund five times faster.
$IBIT just blew through $70b and is now the fastest ETF to ever hit that mark in only 341 days, which is 5x faster than the old record held by GLD of 1,691 days. Nice chart from @JackiWang17 pic.twitter.com/5VeGT9twpQ
— Eric Balchunas (@EricBalchunas) June 9, 2025
IBIT launched in the United States in January 2024 alongside 10 other spot Bitcoin ETFs. Since then, it has dominated the competitive landscape with $48.7 billion in net inflows according to Farside data.
The fund’s current holdings include 662,707 Bitcoin, making BlackRock the largest institutional Bitcoin holder. This surpasses crypto exchange Binance with 629,190 Bitcoin and MicroStrategy with 582,000 Bitcoin.
IBIT’s dominance extends beyond raw numbers. The fund commands more than triple the assets of its closest competitor, Fidelity’s Wise Origin Bitcoin Trust (FBTC), which holds $21.3 billion.
Other major Bitcoin ETFs pale in comparison. Ark 21shares’ ARKB manages $4.6 billion while Bitwise’s BITB holds $3.9 billion.
Corporate Bitcoin Accumulation Plans
Fresh data from Wells Fargo reveals that six publicly traded companies collectively plan to raise up to $76 billion for potential Bitcoin purchases. The companies include MicroStrategy, Twenty One Capital, Strive, Semler Scientific, Nakamoto Corp., and Trump Media and Technology Group.
VanEck’s head of digital assets research Matthew Sigel noted this pool equals 56% of the current spot Bitcoin ETF complex’s assets under management. It represents 16% of the net ETF inflows accumulated over the past 16 months.
IBIT currently holds nearly 20% of the 3.4 million Bitcoin custodied by public companies, private companies, governments, exchanges, and DeFi smart contracts. This concentration could shift as more corporations enter the Bitcoin market.
Market Performance and Recognition
IBIT shares traded at $61.77 at the time of reporting, up 5.30% over five days as Bitcoin reclaimed the $110,000 level. The fund experienced a 4.24% spike during June 9 trading.
Source: Google Finance
The ETF recently ended a 31-day inflow streak on May 30 with its largest daily outflow of $430.8 million. Despite this setback, the fund’s overall performance remains strong.
Industry recognition followed the fund’s success. IBIT won “Best New ETF” at the annual etf.com ETF awards in April.
Future Projections
Analysts estimate Bitcoin creator Satoshi Nakamoto holds approximately 1.1 million Bitcoin, representing 5.2% of the total 21 million coin supply. Eric Balchunas predicted BlackRock could surpass Nakamoto’s holdings by the end of next summer if current trends continue.
The prediction reflects IBIT’s rapid accumulation pace and continued institutional demand for Bitcoin exposure through traditional financial products.
The post BlackRock’s Bitcoin ETF Smashes Records with Lightning-Fast $70B Growth appeared first on CoinCentral.
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