BlackRock’s IBIT Overtook GBTC: The Bitcoin ETF Power Shift Explained
BlackRock’s IBIT overtook Grayscale’s GBTC in late May 2024, with more than $20 billion and 288,670 BTC versus GBTC’s $19.7 billion and 287,450 BTC; the signal is that demand is favoring mainstream ETF access, though... GBTC’s early lead did not survive once investors could compare spot Bitcoin ETFs on flows, liquid...
BlackRock’s iShares Bitcoin Trust (IBIT) overtaking Grayscale Bitcoin Trust (GBTC) was the moment the spot Bitcoin ETF market stopped being defined by Grayscale’s legacy head start. As of May 28, 2024, IBIT held more than $20 billion in assets and 288,670 bitcoin, edging past GBTC’s $19.7 billion and 287,450 bitcoin [6]. The bigger signal was not just that one fund won by a narrow margin; it was that investors quickly rewarded a mainstream ETF product after U.S. spot Bitcoin ETFs began trading in January 2024 [6][12].
Key takeaways
IBIT’s rise was a distribution win: reporting framed the shift as a turning point in how investors access Bitcoin through regulated funds, while analysts pointed to low fees, liquidity and the iShares brand as major advantages [1][11].
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BlackRock’s IBIT overtook Grayscale’s GBTC in late May 2024, with more than $20 billion and 288,670 BTC versus GBTC’s $19.7 billion and 287,450 BTC; the signal is that demand is favoring mainstream ETF access, though...
GBTC’s early lead did not survive once investors could compare spot Bitcoin ETFs on flows, liquidity, fees and brand strength [1][11][16].
The flip shifted market attention from Grayscale outflows toward BlackRock inflows and put traditional asset managers at the center of the spot Bitcoin ETF race [11][12].
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BlackRock’s IBIT overtook Grayscale’s GBTC in late May 2024, with more than $20 billion and 288,670 BTC versus GBTC’s $19.7 billion and 287,450 BTC; the signal is that demand is favoring mainstream ETF access, though...
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BlackRock’s IBIT overtook Grayscale’s GBTC in late May 2024, with more than $20 billion and 288,670 BTC versus GBTC’s $19.7 billion and 287,450 BTC; the signal is that demand is favoring mainstream ETF access, though... GBTC’s early lead did not survive once investors could compare spot Bitcoin ETFs on flows, liquidity, fees and brand strength [1][11][16].
What should I do next in practice?
The flip shifted market attention from Grayscale outflows toward BlackRock inflows and put traditional asset managers at the center of the spot Bitcoin ETF race [11][12].
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Continue with "SAP 2026 AGM: Dividend Approved as Dremio and Prior Labs Drive AI Push" for another angle and extra citations.
BlackRock’s iShares Bitcoin Trust (IBIT) has taken a major lead in the Bitcoin ETF market. It now holds the top spot, surpassing Grayscale’s Bitcoin Trust (GBTC) in both assets under management (AUM) and Bitcoin holdings. This shift marks a turning point in...
After a long run-up, BlackRock’s iShares Bitcoin Trust (IBIT) has surpassed Grayscale’s Bitcoin Trust (GBTC) in total Bitcoin holdings. This marks a significant development, potentially indicating a changing preference among institutional investors. Buying...
BlackRock’s spot bitcoin exchange-traded fund (ETF), iShares Bitcoin Trust (IBIT), has overtaken Grayscale’s Bitcoin Trust (GBTC) as the world’s largest Bitcoin ETF. As of May 28, IBIT holds over $20 billion in assets with 288,670 Bitcoin in its trust. This...
BlackRock's Bitcoin ETF Surpasses Grayscale to Become World's Largest BlackRock's iShares Bitcoin Trust (IBIT) has become the world's largest bitcoin fund, amassing nearly $20 billion US in assets since its U.S. listing in January, surpassing the long-stand...
GBTC’s starting advantage was real, but not permanent: Grayscale reportedly began its ETF conversion with about 620,000 BTC and then faced steady outflows [1].
The flip is evidence of stronger institutional-channel demand, not proof that every ETF dollar came from an institution or that Bitcoin’s price must move in one direction [5][10].
What happened when IBIT passed GBTC
The U.S. spot Bitcoin ETF launch created a direct contest between new products from major asset managers and Grayscale’s converted trust. IBIT and Fidelity’s Bitcoin ETF launched in January 2024, while Grayscale’s GBTC converted into an ETF structure [8]. Within months, IBIT had moved past GBTC.
The day captured the broader rotation toward newer ETF products.
That timing is what made the flip important. GBTC did not lose from a small base; it lost despite entering the spot ETF era with a large embedded Bitcoin position [1].
What it reveals about institutional Bitcoin demand
The cleanest interpretation is that Bitcoin demand became more ETF-shaped. Reports on the IBIT-over-GBTC shift described it as potentially indicating a changing preference among institutional investors, with buying activity for IBIT surging as the broader Bitcoin ETF market gained influence [5]. Later reporting also described IBIT as a dominant force in U.S. spot Bitcoin ETFs, citing Dune Analytics data that showed IBIT with $56 billion in AUM and about half of the 12-product U.S. spot Bitcoin ETF market [10].
That does not mean the entire market is institutional. ETFs can be used by retail investors, advisers, hedge funds and larger allocators. But it does show that the institutional channel now matters more: regulated ETF wrappers, familiar fund brands, brokerage access and ETF liquidity have become central to how Bitcoin exposure is bought [1][11].
Why Grayscale’s first-mover advantage faded
Grayscale’s advantage was inventory and incumbency. GBTC had a long-running position in the market and reportedly started its ETF conversion with about 620,000 BTC [1]. But once spot Bitcoin ETFs were available side by side, investors could choose among competing wrappers rather than accept the legacy product by default.
The late-May flow data made that shift visible. Finbold reported that IBIT recorded $102.5 million of inflows by the end of trading on May 28, while GBTC saw $105 million of outflows [16]. One day does not explain the whole race, but it reflected the pattern that mattered: new money was moving toward BlackRock’s ETF while Grayscale was still dealing with redemptions.
Why BlackRock became the new center of gravity
BlackRock’s edge was not simply that it offered Bitcoin exposure. Other issuers did too. Fidelity’s Bitcoin offering was reported at $11.1 billion in assets around the same period, ranking third behind IBIT and GBTC [8]. What set IBIT apart was execution in the ETF marketplace.
A Bloomberg Intelligence ETF analyst cited by DL News pointed to low fees, liquidity and the iShares brand name as powerful reasons IBIT had become the category leader [11]. Blockworks also reported in April 2024 that BlackRock continued attracting assets to its Bitcoin ETF daily and described IBIT as a flow-gathering standout since U.S. spot Bitcoin ETFs launched on Jan. 11 [12].
In other words, the spot Bitcoin ETF market quickly began to look like the broader ETF industry: scale, trading depth, fee perception, brand trust and distribution can compound. First-mover status helps, but it is not enough when traditional finance competitors enter with powerful platforms.
What it means for Bitcoin and the ETF market
IBIT passing GBTC was bullish for Bitcoin’s institutionalization because it showed that investors were comfortable holding Bitcoin exposure inside regulated fund structures [1]. It also changed the market narrative. Instead of GBTC outflows dominating attention, reporting at the time suggested investors could increasingly focus on IBIT inflows and the growth of the new ETF category [11].
But the milestone should not be read as a guaranteed Bitcoin price forecast. ETF leadership is a demand signal, not a promise of one-way price movement. Fund rankings can change with flows, competition, liquidity and investor preferences.
The durable lesson is about market structure. Grayscale proved that there was a large base of demand for Bitcoin exposure through a trust product, but BlackRock showed that in an open spot ETF market, distribution, brand, liquidity and sustained inflows can overtake legacy dominance [1][6][11][12].
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BlackRock's iShares Bitcoin Trust (IBIT) is the dominant force in the US spot Bitcoin exchange-traded fund (ETF) market, holding half of the 12 products' total assets under management (AUM). Data from Dune Analytics shows that the spot Bitcoin ETFs collecti...
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BlackRock’s (NYSE: BLK) Bitcoin ETF, the iShares Bitcoin Trust (IBIT), has reached a significant milestone, surpassing the Grayscale Bitcoin Trust (GBTC) to become the world’s largest ETF, tracking Bitcoin (BTC). Launched in January 2024, IBIT has seen rema...
