How Bitcoin ETF creations work, and who holds the coins

On October 14, 2026 one creation basket of the iShares Bitcoin Trust ETF was 22.64 bitcoin, or $1,849,077.84, issued as 40,000 shares. An Authorized Participant delivers cash or bitcoin and takes those shares. The coins stay with the trust. They do not arrive in the shareholder's wallet.

The prospectus dated July 31, 2025 fixes that block at 40,000 shares and names it a basket. Divide the October 14, 2026 bitcoin basket of $1,849,077.84 by 40,000 and the result is $46.23, the net asset value the iShares product page printed that day. Creation is that exchange of cash or coins for a new block. Who may do it, where the bitcoin sits, and what a holder cannot demand are the rest of the mechanism.

One basket is 40,000 shares and a counted pile of bitcoin

Only an Authorized Participant can create or redeem. The July 31, 2025 prospectus requires that firm to be a registered broker-dealer, a participant in the Depository Trust Company, and a signatory to an agreement with the sponsor, iShares Delaware Trust Sponsor LLC, and the trustee, BlackRock Fund Advisors. Everyone else trades shares that already exist.

Published figures for October 14, 2026 line up with that prospectus, and the division is short enough to redo. Net assets of $65.74 billion on October 14, 2026, divided by 1,422,080,000 shares, equal $46.2269, which the product page rounds to a bitcoin net asset value of $46.23. Multiply $46.2269 by 40,000 and the bitcoin basket returns as $1,849,077.84, the figure printed for October 14, 2026. Bitcoin per share that day was 22.64 divided by 40,000, or 0.000566. The holdings file dated October 13, 2026 showed 805,025.32840 bitcoin against 1,420,680,000 shares, or 22.666 bitcoin in a 40,000-share basket. Share count rose by 1,400,000 between the two extracts, equal to 35 baskets. Those files are snapshots, not a creation blotter. The Securities and Exchange Commission declared the registration statement effective on January 10, 2024, and Nasdaq listed the shares on January 11, 2024.

Seed capital was small beside the later book. The prospectus records that in 2024 the trust bought 227.90250 bitcoin with the proceeds of the seed creation baskets. That pile is a rounding error next to the 805,025.32840 bitcoin in the October 13, 2026 holdings file.

Cash-only settlement was the rule at listing. On July 29, 2025 the Commission voted to let spot bitcoin and ether products create and redeem in kind.

"I am pleased the Commission approved these orders permitting in-kind creations and redemptions for a host of crypto asset ETPs. Investors will benefit from these approvals, as they will make these products less costly and more efficient."

Paul S. Atkins, Chairman, U.S. Securities and Exchange Commission (SEC release 2025-101, July 29, 2025)

Cash creations sell coins. In-kind creations deliver them

A cash creation is a funded order to buy bitcoin. The Authorized Participant delivers dollars, the trust buys the coins through a trading counterparty or its prime execution agent, and new shares are issued once the bitcoin is in the trust's account. A cash redemption sells bitcoin and pays dollars out. From the January 2024 listings until the July 29, 2025 vote, that round trip was the only permitted path.

"Under such a model, authorized participants must redeem ETP shares for U.S. dollars, forcing the ETP issuer to buy or sell the crypto asset on the open market. This introduces significant transaction costs, exposes the product and its investors to price slippage in the underlying asset class, and makes the ETP more expensive."

Mark T. Uyeda, Commissioner, U.S. Securities and Exchange Commission (Statement, July 29, 2025)

Twelve firms could create and redeem for cash on the July 31, 2025 prospectus list: ABN AMRO Clearing USA LLC, BMO Capital Markets Corp., BofA Securities, Inc., Citadel Securities LLC, Citigroup Global Markets, Inc., Goldman Sachs & Co. LLC, Jane Street Capital, LLC, Jefferies LLC, JP Morgan Securities LLC, Macquarie Capital (USA) Inc., UBS Securities LLC and Virtu Americas LLC. Four names can do it in kind: Jane Street Capital, LLC, Virtu Americas LLC, JP Morgan Securities LLC and Marex Capital Markets Inc. The sponsor may add firms later. The list is the document's, not a blotter of who took a basket that day.

Cash baskets need a firm willing to sell bitcoin to the trust, or to buy it on the way out. The prospectus names Cumberland DRW LLC, Flow Traders B.V., JSCT, LLC and Virtu Financial Singapore Pte. Ltd. JSCT, LLC is a Jane Street affiliate, and Virtu Financial Singapore is an affiliate of Virtu Americas LLC. Each represents that it acts for its own account, not at an Authorized Participant's direction. That line is a contractual representation, not an outside check.

In-kind creation skips the sale. The Authorized Participant, or a client it designates, delivers bitcoin and receives shares, or surrenders shares and takes bitcoin back. The July 29, 2025 orders opened that path. It still ends at a broker-dealer with a contract.

Removing the trust's spread on one basket is a real saving, and a narrow one. In-kind does not put private keys in the shareholder's name. A holder of 10 shares has an economic interest near 0.00566 bitcoin at the October 14, 2026 ratio of 0.000566 bitcoin per share. No clause turns that interest into a withdrawal.

Vault coins and the omnibus trading balance

Coinbase Custody Trust Company, LLC is the bitcoin custodian. The New York State Department of Financial Services chartered it as a limited purpose trust company in October 2018, and the Department's virtual-currency list still shows that charter. Vault coins sit in segregated cold storage in the United States and in Europe, and the prospectus says no single employee holds a full private key. Locations are not disclosed.

Anchorage Digital Bank N.A. is named as an additional bitcoin custodian. The Office of the Comptroller of the Currency's national-bank list, active as of September 30, 2026, shows it as an uninsured trust bank. The July 31, 2025 prospectus and the Form 10-Q for the quarter ended June 30, 2026 both say the sponsor had no plan to move the trust's bitcoin there. A second custodian on the cover is not coins in that vault.

Some bitcoin leaves the vault on purpose. Creations, redemptions and sales to pay the fee pass through a trading balance at Coinbase, Inc., the prime execution agent and an affiliate of the custodian. Coinbase, Inc. holds a New York virtual currency licence and a money transmitter licence, both granted in January 2017. Inside the trading balance the trust has no claim on a particular coin. It has a pro rata claim on bitcoin the agent holds for customers with the same kind of entitlement. The agent has told the sponsor that most of those assets sit in cold wallets and that a portion sits in hot wallets. The sponsor does not control the split, and the percentage is not disclosed. A line that says the bitcoin is at Coinbase, in cold storage, describes the vault and misses this balance.

Fidelity's Wise Origin Bitcoin Fund, in a prospectus dated April 29, 2026, uses baskets of 25,000 shares. Its custodian is Fidelity Digital Assets, N.A., an affiliate and a national trust bank, with BitGo Bank & Trust, N.A. named alongside. IBIT uses a third-party New York trust for the vault. Neither structure writes the shareholder onto a bitcoin address.

Dollars, separate from the coins, sit with The Bank of New York Mellon, cash custodian and trust administrator. Morgan Stanley's naming of BNY Mellon and Coinbase put those two firms on a different bitcoin trust. Same names, different contract. The IBIT prospectus is the one that binds IBIT holders.

A Nasdaq sale is not a redemption

Each IBIT share is a fractional undivided beneficial interest in the net assets of the trust, not a claim on a specific bitcoin. The prospectus says that, except in baskets, the shares are not redeemable, and that only Authorized Participants may redeem. Selling on Nasdaq turns the interest into dollars. On October 13, 2026 the bitcoin share closed at $47.13, against a net asset value of $46.23 printed for October 14, 2026. Neither print moves bitcoin to an address the holder controls. The trust is not an investment company under the Investment Company Act of 1940 and not a commodity pool, and the sponsor is not regulated by the Commodity Futures Trading Commission as a commodity pool operator for it.

A brokerage sale needs a buyer of shares. A redemption needs an Authorized Participant and a full basket of 40,000.

How the 0.25% fee reduces bitcoin per share

The ordinary expense is the sponsor's fee, accruing daily at an annualised 0.25% of net asset value and payable at least quarterly in dollars or in kind. The July 31, 2025 prospectus says the sponsor picks up the usual bills, including up to $500,000 a year of ordinary legal work. The trust has no income, so it sells bitcoin to pay the fee, and the bitcoin behind each share falls.

Take the October 14, 2026 basket of 22.64 bitcoin and apply 0.25%, with the fee taken in bitcoin. A year is 22.64 times 0.0025, or 0.0566 bitcoin per basket, and a day is that figure divided by 365, or 0.000155 bitcoin. On one share the same rate is 0.000001415 bitcoin a year. The product page lists the distribution frequency as none.

Over the six months ended June 30, 2026 the fee was $72.11 million, with no waiver in that half, according to the Form 10-Q. For 12 months from January 11, 2024 the rate was 0.12% on the first $5 billion of assets, and after that window it is the 0.25% on the October 14, 2026 product page. On October 14, 2026 that page showed the CME CF Bitcoin Reference Rate, New York Variant, at $81,668.06, while $1,849,077.84 divided by that day's 22.64 bitcoin implies $81,673.05, or $4.99 more.

Holders can owe tax on a sale they did not choose. The prospectus says that if the trust is a grantor trust, selling bitcoin to pay expenses is generally a taxable event for shareholders. The June 30, 2026 Form 10-Q treats the trust as a grantor trust and records no federal income tax on its own books.

What the shared insurance policy does not cover

Deposit insurance does not cover the bitcoin. The prospectus says the trust is not a bank and is not a member of the Federal Deposit Insurance Corporation or the Securities Investor Protection Corporation, and that neither the trust nor the sponsor insures the coins.

Coinbase Global has told the sponsor it keeps a commercial crime policy of up to $320 million, shared across Coinbase Global and its subsidiaries. It is not written for IBIT. On October 14, 2026 net assets were $65.74 billion, so $320 million is 0.49% of the book. Liability on each cold-storage address is capped at $100 million, and new wallets are opened so one address stays inside the limit.

A shared extinguisher of $320 million does not stand in for a $65.74 billion warehouse. The figure is Coinbase Global's statement to the sponsor, relayed in the filing, not a certificate reproduced there.

Should Authorized Participants step away, the arbitrage that pulls the share price towards net asset value can leave with them. On October 13, 2026 the product page showed a premium or discount of 0.15% and a 30-day median bid-ask spread of 0.02%. Those readings describe that date, not a week with no firm willing to take a basket.

In-kind creation changed who crosses the bitcoin spread. It did not change who carries a custodian failure or a session with no Authorized Participant willing to redeem. The holder's exit is a sale of the share.

FAQ

Other bitcoin trusts hire the same service firms on their own contracts. The Digital Assets desk is where those filings get read against the primary documents, rather than against one day's flows.

This article is informational analysis only and is not financial advice. Figures are as attributed in the text.