# U.S. Spot Bitcoin ETFs: Trust Ownership, Brokerage Access and the 2024 Launch

*The January 2024 launch brought spot bitcoin price exposure into ordinary securities accounts. The resulting products are often called ETFs, but their filings describe commodity-based trusts and exchange-traded products: shareholders own listed shares, each trust holds bitcoin, and a custodian safeguards the trust’s keys.*

- Research question: What did the SEC approve in January 2024, who legally holds the bitcoin behind the products, and what do issuer filings show about adoption after launch?
- Canonical: https://degreesofsatoshi.com/history/us-spot-bitcoin-etfs/
- Published 2026-08-09 · last reviewed 2026-08-09 · covers 2019-11-19/2025-12-31
- Author: Degrees of Satoshi editorial project (https://degreesofsatoshi.com/authors/degrees-of-satoshi-editorial-project/)
- Citation files: https://degreesofsatoshi.com/history/us-spot-bitcoin-etfs/citation.bib · https://degreesofsatoshi.com/history/us-spot-bitcoin-etfs/citation.ris · https://degreesofsatoshi.com/history/us-spot-bitcoin-etfs/citation.csl.json
- Evidence data: https://degreesofsatoshi.com/history/us-spot-bitcoin-etfs/evidence.json

## Key finding

The U.S. spot bitcoin ETP milestone was an access and custody innovation, not a protocol change. At 31 December 2025, five selected trusts in issuer annual filings held approximately 1.214 million BTC in aggregate, but their individual balances moved in both directions and the coins belonged to the trusts rather than their sponsors or ordinary shareholders’ personal wallets. ([Order approving proposed rule changes for spot bitcoin ETP shares](https://www.sec.gov/files/rules/sro/nysearca/2024/34-99306.pdf); [Statement on approval of spot bitcoin exchange-traded products](https://www.sec.gov/newsroom/speeches-statements/gensler-statement-spot-bitcoin-011023); [iShares Bitcoin Trust ETF 2025 Form 10-K](https://www.sec.gov/Archives/edgar/data/1980994/000143774926006058/bit20251231_10k.htm); [Fidelity Wise Origin Bitcoin Fund 2025 Form 10-K](https://www.sec.gov/Archives/edgar/data/1852317/000119312526071484/ck0001852317-20251231.htm); [Grayscale Bitcoin Trust ETF 2025 Form 10-K](https://www.sec.gov/Archives/edgar/data/1588489/000119312526071956/gbtc-20251231.htm); [ARK 21Shares Bitcoin ETF 2025 Form 10-K](https://www.sec.gov/Archives/edgar/data/1869699/000121390026021831/ea0276464-10k_ark21share.htm); [Bitwise Bitcoin ETF 2025 Form 10-K](https://www.sec.gov/Archives/edgar/data/1763415/000119312526085335/bitb-20251231.htm))

## Verified record

| Date | Record | Verified detail | Source |
| --- | --- | --- | --- |
| 19 November 2019 | GBTC files Form 10 | The Grayscale Bitcoin Trust filed to register its shares under Exchange Act Section 12(g), documenting a U.S. securities wrapper that predated nationally listed spot products. | [Grayscale Bitcoin Trust Form 10 registration statement](https://www.sec.gov/Archives/edgar/data/1588489/000119312519295206/d735049d1012g.htm) |
| 19 October 2021 | BITO begins trading | The ProShares Bitcoin Strategy ETF was scheduled to begin NYSE Arca trading with exposure through bitcoin futures rather than direct bitcoin holdings. | [ProShares Bitcoin Strategy ETF prospectus](https://www.sec.gov/Archives/edgar/data/1174610/000168386321006052/f10028d1.htm) |
| 10 January 2024 | SEC omnibus order | The Commission approved eleven exchange rule-change proposals concerning trusts intended to hold spot bitcoin in whole or in part. | [Order approving proposed rule changes for spot bitcoin ETP shares](https://www.sec.gov/files/rules/sro/nysearca/2024/34-99306.pdf) |
| 10 January 2024 | SEC approval boundary | The SEC Chair stated that the action approved listing and trading of spot bitcoin ETP shares and did not approve or endorse bitcoin. | [Statement on approval of spot bitcoin exchange-traded products](https://www.sec.gov/newsroom/speeches-statements/gensler-statement-spot-bitcoin-011023) |
| 11 January 2024 | IBIT listing begins | IBIT shares began listing, placing spot bitcoin exposure in exchange-traded trust shares. | [iShares Bitcoin Trust ETF 2025 Form 10-K](https://www.sec.gov/Archives/edgar/data/1980994/000143774926006058/bit20251231_10k.htm) |
| 11 January 2024 | FBTC commences operations | FBTC commenced operations as part of the new U.S. spot bitcoin ETP launch cohort. | [Fidelity Wise Origin Bitcoin Fund 2025 Form 10-K](https://www.sec.gov/Archives/edgar/data/1852317/000119312526071484/ck0001852317-20251231.htm) |
| 31 December 2024 | IBIT | The iShares Bitcoin Trust ETF held 551,918 BTC. | [iShares Bitcoin Trust ETF 2025 Form 10-K](https://www.sec.gov/Archives/edgar/data/1980994/000143774926006058/bit20251231_10k.htm) |
| 31 December 2024 | FBTC | The Fidelity Wise Origin Bitcoin Fund held 201,556 BTC. | [Fidelity Wise Origin Bitcoin Fund 2025 Form 10-K](https://www.sec.gov/Archives/edgar/data/1852317/000119312526071484/ck0001852317-20251231.htm) |
| 31 December 2024 | GBTC | The Grayscale Bitcoin Trust ETF held 205,398.85921873 BTC. | [Grayscale Bitcoin Trust ETF 2025 Form 10-K](https://www.sec.gov/Archives/edgar/data/1588489/000119312526071956/gbtc-20251231.htm) |
| 31 December 2024 | ARKB | The ARK 21Shares Bitcoin ETF held 46,607.1028 BTC. | [ARK 21Shares Bitcoin ETF 2025 Form 10-K](https://www.sec.gov/Archives/edgar/data/1869699/000121390026021831/ea0276464-10k_ark21share.htm) |
| 31 December 2024 | BITB | The Bitwise Bitcoin ETF held 40,289.1335 BTC. | [Bitwise Bitcoin ETF 2025 Form 10-K](https://www.sec.gov/Archives/edgar/data/1763415/000119312526085335/bitb-20251231.htm) |
| 31 December 2025 | IBIT | 770,792 BTC; bitcoin fair value $67.415764355 billion; net assets $67.401155244 billion. | [iShares Bitcoin Trust ETF 2025 Form 10-K](https://www.sec.gov/Archives/edgar/data/1980994/000143774926006058/bit20251231_10k.htm) |
| 31 December 2025 | FBTC | 201,684 BTC; bitcoin fair value $17.639927 billion; net assets $17.636254 billion. | [Fidelity Wise Origin Bitcoin Fund 2025 Form 10-K](https://www.sec.gov/Archives/edgar/data/1852317/000119312526071484/ck0001852317-20251231.htm) |
| 31 December 2025 | GBTC | 165,591.49612215 BTC; bitcoin fair value and net assets $14.497437 billion. | [Grayscale Bitcoin Trust ETF 2025 Form 10-K](https://www.sec.gov/Archives/edgar/data/1588489/000119312526071956/gbtc-20251231.htm) |
| 31 December 2025 | ARKB | 37,769.3458 BTC; bitcoin fair value $3.305394 billion; net assets approximately $3.305323 billion. | [ARK 21Shares Bitcoin ETF 2025 Form 10-K](https://www.sec.gov/Archives/edgar/data/1869699/000121390026021831/ea0276464-10k_ark21share.htm) |
| 31 December 2025 | BITB | 38,468.0468 BTC; bitcoin fair value $3.367647 billion; net assets $3.367050 billion. | [Bitwise Bitcoin ETF 2025 Form 10-K](https://www.sec.gov/Archives/edgar/data/1763415/000119312526085335/bitb-20251231.htm) |

## The 2024 launch followed earlier securities bridges {#securities-bridge-before-spot}

Spot products were not the first U.S. securities route to Bitcoin exposure. Grayscale Bitcoin Trust filed a Form 10 registration statement in November 2019 after operating as a private-placement trust whose shares later traded over the counter. On 19 October 2021, ProShares Bitcoin Strategy ETF began the first U.S. bitcoin-linked ETF launch, using regulated futures rather than holding bitcoin directly. Both routes gave investors brokerage-compatible exposure, but each introduced basis, fee, liquidity, redemption or futures-roll features different from spot bitcoin custody.

January 2024 therefore introduced a narrower but important innovation: national-exchange-listed U.S. ETP shares backed by trusts intended to hold spot bitcoin, with creation and redemption mechanisms connecting share supply to trust assets. This dossier concentrates on that U.S. spot cohort. Earlier Canadian and European exchange-traded products also form part of global ETP history, but they should not be collapsed into the SEC decision or used to imply that exchange-traded Bitcoin exposure began in 2024.

Sources: [Grayscale Bitcoin Trust Form 10 registration statement](https://www.sec.gov/Archives/edgar/data/1588489/000119312519295206/d735049d1012g.htm); [ProShares Bitcoin Strategy ETF prospectus](https://www.sec.gov/Archives/edgar/data/1174610/000168386321006052/f10028d1.htm); [Order approving proposed rule changes for spot bitcoin ETP shares](https://www.sec.gov/files/rules/sro/nysearca/2024/34-99306.pdf)

## The SEC approved exchange rules for trust shares—not Bitcoin itself {#what-the-sec-approved}

On 10 January 2024, the Securities and Exchange Commission issued one order addressing eleven proposed rule changes from NYSE Arca, Nasdaq and Cboe BZX. The proposals concerned shares of trusts designed to hold spot bitcoin in whole or in part. The order found the exchange proposals consistent with applicable Exchange Act requirements and approved them on an accelerated basis. It did not alter Bitcoin’s software, confer government backing on bitcoin, or guarantee the investment performance of any product.

The SEC Chair’s accompanying statement drew the same boundary: the Commission had approved listing and trading of specified spot bitcoin exchange-traded product shares, not approved or endorsed bitcoin. This wording matters for both history and search terminology. ‘Spot Bitcoin ETF’ became the dominant public phrase, but issuer reports commonly define the vehicles as exchange-traded products or statutory trusts whose shares are registered under the Securities Act. They are not conventional investment companies registered under the Investment Company Act of 1940.

Sources: [Order approving proposed rule changes for spot bitcoin ETP shares](https://www.sec.gov/files/rules/sro/nysearca/2024/34-99306.pdf); [Statement on approval of spot bitcoin exchange-traded products](https://www.sec.gov/newsroom/speeches-statements/gensler-statement-spot-bitcoin-011023); [iShares Bitcoin Trust ETF 2025 Form 10-K](https://www.sec.gov/Archives/edgar/data/1980994/000143774926006058/bit20251231_10k.htm); [Fidelity Wise Origin Bitcoin Fund 2025 Form 10-K](https://www.sec.gov/Archives/edgar/data/1852317/000119312526071484/ck0001852317-20251231.htm)

## A familiar securities wrapper changed how investors could obtain exposure {#brokerage-account-bridge}

Before the launch, a U.S. investor seeking direct spot exposure generally needed to manage a wallet, rely on a crypto trading and custody service, or accept the structural differences of an OTC trust or futures-based ETF. National-exchange-listed spot trust shares added another route: investors could purchase a security through established brokerage infrastructure, hold it in account types that permit the product, and use familiar order and reporting systems. The trusts internalized bitcoin acquisition, benchmark calculation, custody and operational procedures behind a listed share.

That is a meaningful institutional-adoption milestone even though it did not create new Bitcoin functionality. The wrapper reduced some practical burdens, particularly private-key management for the shareholder, while introducing a different dependency chain involving sponsor, trustee, custodian, administrator, exchange and authorized participants. An investor moved from directly controlling an on-chain asset to holding a regulated security designed to reflect its price, less fees and expenses. Access became more conventional; the ownership model became more layered.

Sources: [Order approving proposed rule changes for spot bitcoin ETP shares](https://www.sec.gov/files/rules/sro/nysearca/2024/34-99306.pdf); [iShares Bitcoin Trust ETF 2025 Form 10-K](https://www.sec.gov/Archives/edgar/data/1980994/000143774926006058/bit20251231_10k.htm); [Fidelity Wise Origin Bitcoin Fund 2025 Form 10-K](https://www.sec.gov/Archives/edgar/data/1852317/000119312526071484/ck0001852317-20251231.htm)

## The trust owns bitcoin; the sponsor operates the product; the shareholder owns shares {#who-owns-the-bitcoin}

An issuer’s brand should not be confused with beneficial ownership of the trust’s portfolio. IBIT’s reported bitcoin is held by the iShares Bitcoin Trust ETF, not as a corporate treasury position belonging to BlackRock. FBTC’s bitcoin is held by the Fidelity Wise Origin Bitcoin Fund, while Fidelity entities perform sponsor, service or custody roles described in its filing. The same distinction applies to Grayscale, ARK and 21Shares, and Bitwise. Precise language attributes the coins to the legal trust and the operating roles to named service providers.

Shareholders hold units of beneficial interest in a trust, but ordinary exchange trading does not place the corresponding private keys in a shareholder’s wallet. Retail holders generally buy or sell shares in the secondary market. Authorized participants interact with the product’s basket creation and redemption process under the governing documents. Because a share is a security rather than an on-chain unspent transaction output, owning one does not let its holder independently broadcast a transaction spending a proportional slice of the trust’s bitcoin.

Sources: [iShares Bitcoin Trust ETF 2025 Form 10-K](https://www.sec.gov/Archives/edgar/data/1980994/000143774926006058/bit20251231_10k.htm); [Fidelity Wise Origin Bitcoin Fund 2025 Form 10-K](https://www.sec.gov/Archives/edgar/data/1852317/000119312526071484/ck0001852317-20251231.htm); [Grayscale Bitcoin Trust ETF 2025 Form 10-K](https://www.sec.gov/Archives/edgar/data/1588489/000119312526071956/gbtc-20251231.htm); [ARK 21Shares Bitcoin ETF 2025 Form 10-K](https://www.sec.gov/Archives/edgar/data/1869699/000121390026021831/ea0276464-10k_ark21share.htm); [Bitwise Bitcoin ETF 2025 Form 10-K](https://www.sec.gov/Archives/edgar/data/1763415/000119312526085335/bitb-20251231.htm)

## Basket activity changes trust size while fees slowly change bitcoin per share {#creations-redemptions-and-fees}

Exchange-traded products rely on creation and redemption procedures intended to connect share supply with underlying value. When baskets are created, the trust can receive bitcoin or cash used to acquire it according to the product’s current procedures; redemptions remove shares and can require bitcoin delivery or sale. Authorized participants perform these primary-market operations, while most shareholders simply trade existing shares. The mechanism supports arbitrage, but filings still warn that market price can differ from net asset value when trading, liquidity or operational processes are disrupted.

Sponsor fees create a second effect. A trust that earns no operating income generally transfers or sells a small amount of bitcoin to meet its fee and other permitted expenses. The amount of bitcoin represented by each share can therefore decline gradually even when the trust’s total bitcoin balance rises through net creations. Total BTC, BTC per share, net assets, trading price and cumulative net flows answer different questions. A transparent history should name the measure rather than using ‘ETF holdings’ as if all five were interchangeable.

Sources: [iShares Bitcoin Trust ETF 2025 Form 10-K](https://www.sec.gov/Archives/edgar/data/1980994/000143774926006058/bit20251231_10k.htm); [Fidelity Wise Origin Bitcoin Fund 2025 Form 10-K](https://www.sec.gov/Archives/edgar/data/1852317/000119312526071484/ck0001852317-20251231.htm); [Grayscale Bitcoin Trust ETF 2025 Form 10-K](https://www.sec.gov/Archives/edgar/data/1588489/000119312526071956/gbtc-20251231.htm); [ARK 21Shares Bitcoin ETF 2025 Form 10-K](https://www.sec.gov/Archives/edgar/data/1869699/000121390026021831/ea0276464-10k_ark21share.htm); [Bitwise Bitcoin ETF 2025 Form 10-K](https://www.sec.gov/Archives/edgar/data/1763415/000119312526085335/bitb-20251231.htm)

## Issuer records show growth and redemptions at the same time {#year-end-holdings-diverge}

IBIT’s trust held 551,918 BTC at the end of 2024 and 770,792 BTC one year later, an increase of 218,874 BTC across the two snapshots. FBTC moved from 201,556 to 201,684 BTC. The same dates show a different path for converted or smaller products: GBTC declined from 205,398.85921873 to 165,591.49612215 BTC, ARKB from 46,607.1028 to 37,769.3458, and BITB from 40,289.1335 to 38,468.0468. The filings therefore record a redistribution among products rather than uniform one-way accumulation.

Bitcoin quantity is the cleanest measure for this comparison because net assets also change with bitcoin’s dollar price. Even quantity is only a pair of year-end snapshots, not a daily flow series. A product may have substantial creations and redemptions inside the year that nearly offset at the endpoint. The five-product chart is also a selected sample, not the complete U.S. market. Its value is explanatory: institutional access can expand in aggregate while individual trusts gain, stabilize or contract according to fees, investor preferences, conversions and trading conditions.

Sources: [iShares Bitcoin Trust ETF 2025 Form 10-K](https://www.sec.gov/Archives/edgar/data/1980994/000143774926006058/bit20251231_10k.htm); [Fidelity Wise Origin Bitcoin Fund 2025 Form 10-K](https://www.sec.gov/Archives/edgar/data/1852317/000119312526071484/ck0001852317-20251231.htm); [Grayscale Bitcoin Trust ETF 2025 Form 10-K](https://www.sec.gov/Archives/edgar/data/1588489/000119312526071956/gbtc-20251231.htm); [ARK 21Shares Bitcoin ETF 2025 Form 10-K](https://www.sec.gov/Archives/edgar/data/1869699/000121390026021831/ea0276464-10k_ark21share.htm); [Bitwise Bitcoin ETF 2025 Form 10-K](https://www.sec.gov/Archives/edgar/data/1763415/000119312526085335/bitb-20251231.htm)

## Direct bitcoin, ETP shares and Strategy stock are different historical instruments {#three-forms-of-exposure}

Direct bitcoin gives a holder who controls the keys the ability to authorize an on-chain spend under network rules. A spot ETP share gives exposure through a trust that owns bitcoin and uses a custody and basket framework. Strategy common stock is an equity claim on an operating company with bitcoin assets, debt, preferred stock, taxes and management discretion. All three may respond to the bitcoin market, but they differ in legal ownership, fees, operating risk, governance, trading hours and redemption rights.

The 2024 ETP launch belongs in Bitcoin history because it connected the asset to a large existing distribution system for securities. It should not be described as Wall Street taking control of Bitcoin or as shareholders collectively receiving custody of the coins. The network remained open to any valid transaction, while the trusts offered a supervised wrapper for price exposure. The most durable account treats that institutional bridge as significant on its own terms: conventional market access expanded without replacing direct ownership or changing consensus.

Sources: [Order approving proposed rule changes for spot bitcoin ETP shares](https://www.sec.gov/files/rules/sro/nysearca/2024/34-99306.pdf); [Statement on approval of spot bitcoin exchange-traded products](https://www.sec.gov/newsroom/speeches-statements/gensler-statement-spot-bitcoin-011023); [iShares Bitcoin Trust ETF 2025 Form 10-K](https://www.sec.gov/Archives/edgar/data/1980994/000143774926006058/bit20251231_10k.htm)

## Selected U.S. spot bitcoin ETP year-end holdings

A same-date comparison transcribed from issuer annual filings. Bitcoin held is separated from fair value and net assets so researchers can distinguish trust flows from asset-price changes.

| Product | Ticker | BTC at 2024-12-31 | BTC at 2025-12-31 | Snapshot change | 2025 net assets | Source |
| --- | --- | --- | --- | --- | --- | --- |
| iShares Bitcoin Trust ETF | IBIT | 551,918 | 770,792 | +218,874 | $67.401155244bn | etp-ibit-2025 |
| Fidelity Wise Origin Bitcoin Fund | FBTC | 201,556 | 201,684 | +128 | $17.636254bn | etp-fbtc-2025 |
| Grayscale Bitcoin Trust ETF | GBTC | 205,398.85921873 | 165,591.49612215 | −39,807.36309658 | $14.497437bn | etp-gbtc-2025 |
| ARK 21Shares Bitcoin ETF | ARKB | 46,607.1028 | 37,769.3458 | −8,837.7570 | ≈$3.305323bn | etp-arkb-2025 |
| Bitwise Bitcoin ETF | BITB | 40,289.1335 | 38,468.0468 | −1,821.0867 | $3.367050bn | etp-bitb-2025 |

## Claims and their limits

- The SEC’s 10 January 2024 omnibus order approved eleven exchange rule-change proposals for trusts intended to hold spot bitcoin in whole or in part. ([Order approving proposed rule changes for spot bitcoin ETP shares](https://www.sec.gov/files/rules/sro/nysearca/2024/34-99306.pdf))
- GBTC’s Form 10 registration and BITO’s futures-based ETF listing created U.S. securities routes before the 2024 spot ETP cohort. ([Grayscale Bitcoin Trust Form 10 registration statement](https://www.sec.gov/Archives/edgar/data/1588489/000119312519295206/d735049d1012g.htm); [ProShares Bitcoin Strategy ETF prospectus](https://www.sec.gov/Archives/edgar/data/1174610/000168386321006052/f10028d1.htm))
- The approval concerned exchange-traded product shares and did not constitute SEC approval or endorsement of bitcoin. ([Statement on approval of spot bitcoin exchange-traded products](https://www.sec.gov/newsroom/speeches-statements/gensler-statement-spot-bitcoin-011023))
- At 31 December 2025, IBIT’s trust held 770,792 BTC and reported $67.401155244 billion in net assets. ([iShares Bitcoin Trust ETF 2025 Form 10-K](https://www.sec.gov/Archives/edgar/data/1980994/000143774926006058/bit20251231_10k.htm))
- The five selected trusts did not move uniformly between the 2024 and 2025 year-end snapshots: IBIT grew, FBTC was nearly unchanged, and GBTC, ARKB and BITB held less bitcoin. ([iShares Bitcoin Trust ETF 2025 Form 10-K](https://www.sec.gov/Archives/edgar/data/1980994/000143774926006058/bit20251231_10k.htm); [Fidelity Wise Origin Bitcoin Fund 2025 Form 10-K](https://www.sec.gov/Archives/edgar/data/1852317/000119312526071484/ck0001852317-20251231.htm); [Grayscale Bitcoin Trust ETF 2025 Form 10-K](https://www.sec.gov/Archives/edgar/data/1588489/000119312526071956/gbtc-20251231.htm); [ARK 21Shares Bitcoin ETF 2025 Form 10-K](https://www.sec.gov/Archives/edgar/data/1869699/000121390026021831/ea0276464-10k_ark21share.htm); [Bitwise Bitcoin ETF 2025 Form 10-K](https://www.sec.gov/Archives/edgar/data/1763415/000119312526085335/bitb-20251231.htm))
- The products are trusts or ETPs whose shares provide price exposure; the trusts hold bitcoin and ordinary shareholders do not receive personal control of the trust’s private keys. ([iShares Bitcoin Trust ETF 2025 Form 10-K](https://www.sec.gov/Archives/edgar/data/1980994/000143774926006058/bit20251231_10k.htm); [Fidelity Wise Origin Bitcoin Fund 2025 Form 10-K](https://www.sec.gov/Archives/edgar/data/1852317/000119312526071484/ck0001852317-20251231.htm); [Grayscale Bitcoin Trust ETF 2025 Form 10-K](https://www.sec.gov/Archives/edgar/data/1588489/000119312526071956/gbtc-20251231.htm); [ARK 21Shares Bitcoin ETF 2025 Form 10-K](https://www.sec.gov/Archives/edgar/data/1869699/000121390026021831/ea0276464-10k_ark21share.htm); [Bitwise Bitcoin ETF 2025 Form 10-K](https://www.sec.gov/Archives/edgar/data/1763415/000119312526085335/bitb-20251231.htm))
- The 2024 launch is best understood as an institutional distribution and custody milestone rather than a change to Bitcoin consensus or direct ownership rules. ([Order approving proposed rule changes for spot bitcoin ETP shares](https://www.sec.gov/files/rules/sro/nysearca/2024/34-99306.pdf); [Statement on approval of spot bitcoin exchange-traded products](https://www.sec.gov/newsroom/speeches-statements/gensler-statement-spot-bitcoin-011023); [iShares Bitcoin Trust ETF 2025 Form 10-K](https://www.sec.gov/Archives/edgar/data/1980994/000143774926006058/bit20251231_10k.htm); [Fidelity Wise Origin Bitcoin Fund 2025 Form 10-K](https://www.sec.gov/Archives/edgar/data/1852317/000119312526071484/ck0001852317-20251231.htm))

## Caveats

- ‘Spot Bitcoin ETF’ is retained for public search intent; ‘spot bitcoin ETP,’ ‘commodity-based trust shares’ or the issuer’s exact legal name is more precise in regulatory discussion.
- The SEC approved exchange rule changes and effective registration statements; it did not guarantee the products, endorse bitcoin or remove bitcoin price volatility.
- Trust bitcoin should be attributed to the trust—not described as a corporate treasury asset owned by BlackRock, Fidelity, Grayscale, ARK, 21Shares or Bitwise.
- The selected holdings chart is not the entire U.S. market and should not be used as an aggregate market-flow series.
- A change in net assets mixes creations and redemptions, bitcoin-price movement, fees and expenses. Bitcoin quantity and BTC per share answer different questions.
- A shareholder’s beneficial interest in trust shares does not equal possession of private keys or an ordinary right to withdraw a proportional quantity of bitcoin.

## Questions this dossier answers

### What did the SEC approve on 10 January 2024?

The SEC approved eleven exchange rule-change proposals concerning shares of trusts designed to hold spot bitcoin in whole or in part. Its accompanying statement said the action approved listing and trading of specified ETP shares; it did not approve or endorse bitcoin. ([Order approving proposed rule changes for spot bitcoin ETP shares](https://www.sec.gov/files/rules/sro/nysearca/2024/34-99306.pdf); [Statement on approval of spot bitcoin exchange-traded products](https://www.sec.gov/newsroom/speeches-statements/gensler-statement-spot-bitcoin-011023))

### Who owns the bitcoin reported by IBIT or another spot Bitcoin ETP?

The legal trust holds the portfolio bitcoin. The sponsor operates the product and a named custodian safeguards the trust’s keys under the governing documents. An ordinary investor owns trust shares, not the sponsor’s corporate bitcoin and not coins in a personal wallet. ([iShares Bitcoin Trust ETF 2025 Form 10-K](https://www.sec.gov/Archives/edgar/data/1980994/000143774926006058/bit20251231_10k.htm); [Fidelity Wise Origin Bitcoin Fund 2025 Form 10-K](https://www.sec.gov/Archives/edgar/data/1852317/000119312526071484/ck0001852317-20251231.htm); [Grayscale Bitcoin Trust ETF 2025 Form 10-K](https://www.sec.gov/Archives/edgar/data/1588489/000119312526071956/gbtc-20251231.htm); [ARK 21Shares Bitcoin ETF 2025 Form 10-K](https://www.sec.gov/Archives/edgar/data/1869699/000121390026021831/ea0276464-10k_ark21share.htm); [Bitwise Bitcoin ETF 2025 Form 10-K](https://www.sec.gov/Archives/edgar/data/1763415/000119312526085335/bitb-20251231.htm))

### Can an ordinary spot Bitcoin ETF shareholder withdraw bitcoin?

Ordinary shareholders generally buy and sell shares on an exchange rather than withdrawing bitcoin. Authorized participants handle basket creations and redemptions under each trust’s current procedures; share ownership does not give a retail holder control of the trust’s private keys. ([iShares Bitcoin Trust ETF 2025 Form 10-K](https://www.sec.gov/Archives/edgar/data/1980994/000143774926006058/bit20251231_10k.htm); [Fidelity Wise Origin Bitcoin Fund 2025 Form 10-K](https://www.sec.gov/Archives/edgar/data/1852317/000119312526071484/ck0001852317-20251231.htm); [Grayscale Bitcoin Trust ETF 2025 Form 10-K](https://www.sec.gov/Archives/edgar/data/1588489/000119312526071956/gbtc-20251231.htm); [ARK 21Shares Bitcoin ETF 2025 Form 10-K](https://www.sec.gov/Archives/edgar/data/1869699/000121390026021831/ea0276464-10k_ark21share.htm); [Bitwise Bitcoin ETF 2025 Form 10-K](https://www.sec.gov/Archives/edgar/data/1763415/000119312526085335/bitb-20251231.htm))

### Why compare trust-held BTC instead of assets under management?

Bitcoin quantity better isolates how much BTC a trust held at a reporting date. Dollar net assets also move when bitcoin’s market price changes and after fees or other liabilities, so an AUM change cannot by itself be read as an investor inflow or outflow. ([iShares Bitcoin Trust ETF 2025 Form 10-K](https://www.sec.gov/Archives/edgar/data/1980994/000143774926006058/bit20251231_10k.htm); [Fidelity Wise Origin Bitcoin Fund 2025 Form 10-K](https://www.sec.gov/Archives/edgar/data/1852317/000119312526071484/ck0001852317-20251231.htm); [Grayscale Bitcoin Trust ETF 2025 Form 10-K](https://www.sec.gov/Archives/edgar/data/1588489/000119312526071956/gbtc-20251231.htm); [ARK 21Shares Bitcoin ETF 2025 Form 10-K](https://www.sec.gov/Archives/edgar/data/1869699/000121390026021831/ea0276464-10k_ark21share.htm); [Bitwise Bitcoin ETF 2025 Form 10-K](https://www.sec.gov/Archives/edgar/data/1763415/000119312526085335/bitb-20251231.htm))

## Sources

1. Grayscale Bitcoin Trust Form 10 registration statement, Grayscale Bitcoin Trust / U.S. Securities and Exchange Commission. https://www.sec.gov/Archives/edgar/data/1588489/000119312519295206/d735049d1012g.htm
2. ProShares Bitcoin Strategy ETF prospectus, ProShares Trust / U.S. Securities and Exchange Commission. https://www.sec.gov/Archives/edgar/data/1174610/000168386321006052/f10028d1.htm
3. Order approving proposed rule changes for spot bitcoin ETP shares, U.S. Securities and Exchange Commission. https://www.sec.gov/files/rules/sro/nysearca/2024/34-99306.pdf
4. Statement on approval of spot bitcoin exchange-traded products, U.S. Securities and Exchange Commission. https://www.sec.gov/newsroom/speeches-statements/gensler-statement-spot-bitcoin-011023
5. iShares Bitcoin Trust ETF 2025 Form 10-K, iShares Bitcoin Trust ETF / SEC EDGAR. https://www.sec.gov/Archives/edgar/data/1980994/000143774926006058/bit20251231_10k.htm
6. Fidelity Wise Origin Bitcoin Fund 2025 Form 10-K, Fidelity Wise Origin Bitcoin Fund / SEC EDGAR. https://www.sec.gov/Archives/edgar/data/1852317/000119312526071484/ck0001852317-20251231.htm
7. Grayscale Bitcoin Trust ETF 2025 Form 10-K, Grayscale Bitcoin Trust ETF / SEC EDGAR. https://www.sec.gov/Archives/edgar/data/1588489/000119312526071956/gbtc-20251231.htm
8. ARK 21Shares Bitcoin ETF 2025 Form 10-K, ARK 21Shares Bitcoin ETF / SEC EDGAR. https://www.sec.gov/Archives/edgar/data/1869699/000121390026021831/ea0276464-10k_ark21share.htm
9. Bitwise Bitcoin ETF 2025 Form 10-K, Bitwise Bitcoin ETF / SEC EDGAR. https://www.sec.gov/Archives/edgar/data/1763415/000119312526085335/bitb-20251231.htm

## Cite

Degrees of Satoshi editorial project. “U.S. Spot Bitcoin ETFs: Trust Ownership, Brokerage Access and the 2024 Launch.” Degrees of Satoshi, published 2026-08-09; last reviewed 2026-08-09. https://degreesofsatoshi.com/history/us-spot-bitcoin-etfs/

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