TLDR
- BlackRock’s Bitcoin ETF IBIT has attracted $44.25 billion in inflows since its January 2024 launch.
- IBIT has quickly risen to the fourth position in year-to-date ETF inflows.
- Vanguard’s S&P 500 ETF VOO remains the market leader with $100 billion in inflows in 2025.
- Michael Saylor predicts that IBIT could surpass all other ETFs in flows by the end of the year.
- Recent geopolitical tensions have triggered volatility in Bitcoin prices and boosted IBIT inflows.
BlackRock’s iShares Bitcoin Trust (IBIT) has surged in 2025, drawing heavy capital inflows and narrowing the gap with leading ETFs. Since its January 2024 debut, IBIT has attracted $44.25 billion in net inflows, becoming one of the fastest-growing funds globally. As the year progresses, BlackRock positions itself to challenge Vanguard’s dominance in the ETF landscape.
BlackRock Bitcoin ETF Climbs Flow Rankings Rapidly
BlackRock has quickly advanced in the year-to-date ETF flow rankings as its Bitcoin fund gains strong market traction. IBIT rose from 47th to the top five within weeks, with $6.5 billion in inflows last month alone. The fund now trails only VOO and SGOV in total 2025 inflows.
Bitcoin ETFs accounted for 99% of recent ETF inflows, and BlackRock led this segment. Institutions and retail investors steadily added IBIT to their portfolios, boosting daily trading volume. BlackRock’s ETF reflects Bitcoin’s increasing role in mainstream asset allocation strategies.
ETF analyst Eric Balchunas confirmed IBIT’s fourth-place status and highlighted its growth relative to established funds like SPLG. Though VOO remains ahead, BlackRock continues to tighten the gap in a short timeframe. As capital shifts toward crypto exposure, IBIT maintains robust inflow momentum across both investor classes.
VOO Maintains Strong Lead but Faces Competition
Vanguard’s S&P 500 ETF (VOO) has remained the top ETF for 2025, with inflows reaching $100 billion so far. Despite competition, BlackRock has accelerated its growth trajectory through consistent inflows and institutional backing. While VOO added $82 billion year-to-date, IBIT’s rise has become a central market storyline.
Michael Saylor commented that IBIT could surpass all other ETF inflows by year-end, pointing to its accelerating pace. BlackRock’s strategic position and market support give credibility to the prediction, though VOO’s lead remains significant. As inflows continue, analysts monitor whether BlackRock can overtake Vanguard’s flagship fund.
At this rate, $IBIT is destined to be first in flows.
— Michael Saylor (@saylor) June 23, 2025
VOO’s long-standing dominance reflects investor confidence in traditional equity exposure. However, BlackRock has reshaped the inflow race through rapid expansion and rising crypto demand. IBIT’s trajectory suggests a potential reshuffle in fund leadership before 2025 ends.
Geopolitical Events Fuel Bitcoin Demand
Recent tensions involving the US, Iran, and Israel caused notable price swings in Bitcoin. This volatility coincided with increased inflows into BlackRock’s ETF as investors reacted to geopolitical uncertainty. IBIT continued to draw new capital as Bitcoin prices fluctuated.
Market participants responded by reallocating assets into BlackRock’s crypto product and seeking alternative hedging strategies. As Bitcoin gained mainstream credibility, BlackRock capitalized on its momentum and market presence. Fluctuating macro conditions could further impact Bitcoin flows into IBIT.
