BlackRock’s iShares Bitcoin Trust breaks ETF growth record, exceeding $70 billion in just 341 days

BlackRock’s iShares Bitcoin Trust (IBIT) has officially made history. The asset management (AUM) of Bitcoin ETFs soared by more than $70 billion in assets, reaching a milestone in just 341 trading days. This achievement makes IBIT the fastest ETF ever reached that threshold.
To see through this, former record holder SPDR Gold Stock (GLD) could reach 1,691 days to reach the same milestone. Bloomberg ETF analyst Eric Balchunas wrote in a post on X: “It’s five times faster than GLD’s 1,691-day old record.
The explosive rise of IBIT AUM coincides with Bitcoin’s continuous rally. At the time of reporting, Bitcoin (BTC) was trading at more than $108,000, up 2.06%, and last month’s all-time high of nearly $112,000 was less than 4%.
BlackRock’s accumulation strategy puts it at the forefront of institutional Bitcoin investment. According to blockchain analytics firm Arkham Intelligence, the company now has over 663,000 bitcoins, more than Michael Saylor’s MicroStrategy, which has 582,000 BTC.
Price increases and ETF milestones reflect the broader institutional embrace of Bitcoin as a legal and increasingly favored asset class. The record-breaking pace of IBIT growth highlights the demand for investors seeking to reach Bitcoin through traditional financial products.
The chart clearly shows the difference in ETF adoption timelines, with IBIT’s steep, vertical rise sharply surpassing its peers in the race to $70 billion. This proves the acceleration of capital inflows into the Bitcoin market.
As Bitcoin continues to stay below its peak, institutional products like IBIT grow at an unprecedented rate, all eyes are staring at what’s next – not just Bitcoin, but reshaped by it for those old financial industries.