BlackRock IBIT Leads June with $3.85B Inflows as GBTC Slows Outflows

TLDR

• BlackRock’s IBIT recorded $3.85 billion in net inflows during June 2025.
• IBIT’s total cumulative net inflow has now reached $54.42 billion.
• Grayscale’s GBTC saw a net outflow of $34.8 million in June, its lowest since launch.
• Spot Bitcoin ETFs collectively recorded $4.60 billion in net inflows in June.
• The total monthly trading volume for spot Bitcoin ETFs reached $60 billion.

Spot Bitcoin ETFs gained strong momentum in June as market demand stayed resilient despite macro and geopolitical pressures. Net inflows totaled $4.60 billion across all US-based spot Bitcoin ETFs, bringing the sector’s cumulative net inflows to nearly $49 billion, with monthly volumes hitting $60 billion.

BlackRock IBIT Continues to Dominate Inflows

BlackRock IBIT led the ETF space with $3.85 billion in net inflows during June alone. Its cumulative net inflow rose to $54.42 billion while net assets reached $75 billion. This performance reflected persistent investor interest even amid broader market uncertainty.

Although March 2024 saw IBIT’s most significant monthly inflow of $6.20 billion, June marked another considerable month for the fund. IBIT showed stable accumulation throughout the month, reinforcing its position as the dominant Bitcoin ETF. The fund continued to attract institutional capital, maintaining a clear lead over competitors.

Consistent inflows since June 6 indicated strong support for Bitcoin-related products despite external market stress. IBIT stood firm while Bitcoin’s price hovered around $107,000, and dominance slightly eased to 64.6%. These trends pointed to ongoing investor confidence in spot BTC exposure through regulated instruments.

GBTC Sees Record-Low Outflows

Grayscale’s GBTC recorded a net outflow of just $34.8 million in June, its lowest monthly loss since launch. Compared to its March 2024 outflow of $6.36 billion, June marked a significant reduction. This trend suggested that high-volume exits from GBTC may be tapering off.

GBTC’s declining outflows implied reduced selling pressure and possible stabilization in investor behavior. The ETF may now be entering a steadier phase after heavy reallocation periods earlier in the year. Its performance in June indicated a shift from past aggressive outflows.

Despite earlier dominance, GBTC lagged far behind BlackRock IBIT in both net inflows and overall asset accumulation. While IBIT gained strength, GBTC’s role seemed to evolve amid growing ETF competition. This shift continued to shape investor allocation across spot Bitcoin ETF products.

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