BlackRock’s iShares Bitcoin Trust (IBIT) is now one of the top four ETFs in the U.S. by year-to-date inflows in 2025, according to Bloomberg analyst Eric Balchunas. This shows growing interest in regulated crypto products among big investors looking for safer exposure to Bitcoin.
As of June, IBIT has brought in more than $13.75 billion this year, just ahead of the SPDR Portfolio S&P 500 ETF (SPLG), which collected $13.74 billion. That small difference was enough to push IBIT into fourth place, behind only SGOV, VTI, and VOO. Three months ago, IBIT was sitting in 47th place.
The ETF has seen inflows for nine straight days, including a record of $639.2 million on June 17. By the end of that week, IBIT posted $46.9 million in net inflows. From June 4 to June 20, the fund added over $2.6 billion, according to data from Farside Investors.
Other high-flow days included $336.7 million on June 10, $288.3 million on June 12, and $278.9 million on June 18. These strong numbers helped IBIT outpace rivals like Fidelity’s FBTC and Ark Invest’s ARKB, both of which saw outflows during the same period.
Balchunas wrote on X, “$IBIT has taken over 4th place on the YTD flow leaderboard. Passing $SPLG. What’s also wild is IBIT is 5th in 3yr flows (despite only being alive for 1.5yrs).”
The fund’s rise is more than just a ranking; it reflects a shift in how big money is being allocated between traditional equity and new digital asset products. IBIT’s rapid rise has made it a strong competitor in a space long dominated by stock-based ETFs.
According to Arkham Intelligence, BlackRock’s combined crypto ETFs, including ETHA, now manage over $72 billion in assets. IBIT alone is showing momentum typically reserved for major equity funds.
Vanguard’s VOO remains far ahead with $82 billion in inflows this year, but analysts note that IBIT’s current pace puts it in a position to keep climbing. Even more striking, it now ranks fifth in cumulative three-year inflows, despite being less than two years old.
