BlackRock has lowered the minimum threshold for direct Bitcoin conversions into the iShares Bitcoin Trust ETF (IBIT) to $1 million, down from $25 million previously, according to Bloomberg. The change took effect in July and applies to eligible holders who want to transfer BTC into the ETF structure without first selling it for cash. This move significantly expands the pool of large investors who can use IBIT as a vehicle for holding Bitcoin within the traditional financial system, amid a strong recovery in demand for crypto ETFs.
BlackRock Lowers the Bar for Bitcoin-to-IBIT Conversions
Lowering the threshold from $25 million to $1 million represents a 96% reduction, turning a process that was once almost exclusively suited for very large whales, trading desks, or large-scale institutions into a more viable option for mid-tier large investors.
According to Bloomberg, IBIT has processed over $5 billion in direct Bitcoin-to-ETF share conversions, up from over $3 billion when the trend was recorded in October 2025. Robbie Mitchnick, head of digital assets at BlackRock, told Bloomberg that this volume could continue to grow as the company expands access.
The $1 million threshold applies to the direct conversion process, not to regular buying and selling of IBIT on the secondary market. Retail investors can still purchase IBIT shares through brokerage accounts like other listed ETFs, whereas conversion transactions typically require the involvement of an authorized participant or market maker.
How In-Kind Bitcoin Swaps Work
In-kind conversion allows holders to transfer Bitcoin into the fund structure and receive an equivalent value of ETF shares in return, rather than selling BTC for USD and then using the cash to buy the ETF. This mechanism is similar to how many traditional commodity ETFs operate, where underlying assets can be directly created into or redeemed out of the fund through authorized participants.
For US crypto ETFs, this remains a relatively new change. When spot Bitcoin ETFs were approved in early 2024, the process of creating and redeeming fund shares was largely restricted to a cash-only model. On July 29, 2025, the SEC permitted in-kind creations and redemptions for crypto asset ETPs, including Bitcoin and Ether products, with the expectation that this mechanism would help the market operate more efficiently and reduce costs for issuers, authorized participants, and investors.
In practice, this process remains more complex than a standard buy-or-sell transaction. Holders need to coordinate with qualified intermediaries, verify assets, transfer Bitcoin, and receive ETF shares in return.
Why the Lower Threshold Matters for Large Holders
Lowering the threshold to $1 million significantly changes the scope of potential clients. The previous $25 million threshold was almost exclusively suitable for whales or institutions with very large Bitcoin positions, whereas the new threshold opens the door to high-net-worth investors, family offices, boutique funds, smaller corporate treasuries, and holders seeking to transition a portion of their on-chain assets into an ETF wrapper.
For many large investors, the ETF wrapper helps alleviate the burden of self-custody for Bitcoin, ranging from managing private keys and cold wallets to inheritance planning and internal security protocols. Following numerous hacks, lost private keys, and custody failures in the crypto market, some holders wish to maintain BTC exposure while transferring operational management to fund infrastructure overseen by traditional financial institutions.
The in-kind conversion mechanism can also be attractive to holders with large unrealized gains. In certain structures, transferring BTC directly into an ETF can help investors defer a taxable event compared to a scenario where Bitcoin is sold for cash first before purchasing the ETF. However, tax obligations may arise when the ETF shares are later sold, and the specific tax treatment depends on each investor’s individual circumstances.
IBIT’s Scale Meets Broader Crypto ETF Demand
IBIT is currently the largest spot Bitcoin ETF in the market, with approximately $60.34 billion in net assets as of August 28, according to BlackRock. At that scale, BlackRock lowering the conversion threshold creates a larger impact than a similar change at smaller ETFs, particularly as the new $1 million threshold is closer to IBIT’s creation basket amount of roughly $1.76 million.
Recent capital inflows also show that demand for crypto ETFs has not cooled off. The Kobeissi Letter, citing BofA/EPFR data, reported that crypto funds absorbed approximately $3.2 billion in the final week of August, the highest level since October 2025. IBIT alone recorded around $928 million in inflows that week, following an additional $1.3 billion absorbed the prior week.
BREAKING: Crypto funds attracted +$3.2 billion in inflows last week, their largest weekly intake since October 2025.
The largest crypto ETF, $IBIT, attracted +$928 million last week, following +$1.3 billion in the prior week, its biggest 2-week inflow since October 2025.
As a… pic.twitter.com/RMRQVwZotK
— The Kobeissi Letter (@KobeissiLetter) August 31, 2026
In the Ether segment, BlackRock’s ETHA also recorded over $1 billion in inflows during late August, reinforcing the narrative that the ETF wrapper is becoming the primary channel for institutional investors and high-net-worth entities to gain crypto exposure.
ETF Rails Become a Bigger Home for Bitcoin Wealth
The new threshold may help IBIT reach a broader base of large investors, but not all conversions represent new Bitcoin buying power in the spot market. A portion likely consists of previously held BTC transferred from personal wallets, crypto platforms, or other custody structures into the ETF wrapper. IBIT’s over $5 billion in conversions reflects a demand to restructure how assets are held, rather than solely a demand for new purchases.
With a lower barrier to entry, more large holders can bring BTC into the ETF, placing assets within Wall Street’s familiar brokerage and custody ecosystem. For Bitcoin, this demonstrates that ETFs are becoming a critical infrastructure layer for large-scale crypto wealth, as ownership gradually shifts from self-custody to institutional custody.
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Source: https://nftplazas.com/blackrock-cuts-bitcoin-etf-swap-minimum-1m-whale-access/
