Spot Bitcoin ETFs vs Holding BTC Directly: Fees, Custody and Tax

What a spot Bitcoin ETF is

On 10 January 2024 the SEC approved the first group of exchange-traded products that hold bitcoin directly. Proskauer's summary lists 11 products, including iShares Bitcoin Trust, Fidelity Wise Origin Bitcoin Fund and Grayscale Bitcoin Trust, and describes the order as the first time the SEC had permitted the listing of an exchange-traded product of this kind. The approval was a 3–2 vote. Commissioner Crenshaw dissented, calling the spot market an "unregulated, fragmented, continuously traded, global free-for-all," and warned that the shares could end up in retirement accounts. That dissent is worth knowing about when you read the "regulated product" label.

One structural change since then: according to Katten, on 29 July 2025 the SEC approved in-kind creation and redemption for crypto ETPs. When the products launched, creations and redemptions were cash-only. The Fidelity fund's 2025 annual report now describes both in-kind and cash orders. Katten says the change removes a significant barrier to institutional participation, since firms can use existing ETP infrastructure.

Fees

An ETF charges a sponsor fee. The sponsor fee comes out of the trust's bitcoin, which means each share represents slightly less bitcoin over time. The iShares product brief says so directly: "The amount of bitcoin represented by shares of the Trust will decrease over the life of the Trust."

Fees we could verify in primary documents:

Two cautions. The last row comes from the issuer's marketing material, and Grayscale is a competitor of the other sponsors. We also saw a secondary article quote 0.33% for IBIT as of March 2026, which disagrees with the iShares brief. Fee schedules and temporary waivers change, so read the current fee on the fund's own page before buying.

Custody

ETF. The shareholder holds shares and never holds keys. A custodian does:

What follows from that is stated in the funds' own documents. The iShares brief says the sponsor "is not responsible for losses incurred due to loss, theft, destruction, or compromise" and lists "the potential for loss, theft, or compromise of private keys" as a risk. Fidelity's annual report says that security threats to the trust's account at the custodian could halt the trust's operations and cause a loss of trust assets. The iShares brief also says shares are redeemable only in large "Baskets", so an individual shareholder doesn't withdraw bitcoin from the trust.

Direct ownership. There is no custodian between you and the network if you hold your own keys, but the responsibility for them is yours. If you hold coins on an exchange, you are exposed to that exchange instead. We cover that trade-off in our guide to centralized exchanges vs DEXs and custody risk. Fidelity's annual report notes that digital assets are bearer instruments and that loss or compromise of the private keys can cause permanent loss. That applies to your keys just as it does to the trust's.

What you give up with an ETF. You can't send the bitcoin anywhere. You hold a security that tracks it. If you want to use bitcoin as a payment network or hold it outside the financial system, shares don't do that.

• IBIT lists Coinbase as bitcoin custodian.
• FBTC's custodian is Fidelity Digital Assets, N.A., an affiliate of the sponsor.
• GBTC's custodian is Coinbase Custody Trust Company, which holds the trust's bitcoin and the private keys controlling its wallets and vaults.

Tax (United States)

ETF shares. The sponsors treat their trusts as grantor trusts. Fidelity's annual report says each shareholder is treated "as if it directly owned a pro rata share" of the trust's assets. Grayscale's filing says the sponsor takes the position that its trust is a grantor trust, relying on a 2017 IRS private letter ruling. Sales of shares then generate capital gains or losses. The IRS holding-period rules apply the usual way: one year or less is short-term, more than one year is long-term.

Bitcoin held directly. The IRS says digital assets are treated as property and the general tax principles for property transactions apply. Selling for dollars means recognising a capital gain or loss, calculated as the difference between your adjusted basis and the amount realised. The same one-year line separates short from long term. Individuals report these on Form 8949 and Schedule D, unless a Form 1099-DA provides proceeds and basis. Our guide to crypto taxes covers swaps, staking and the other triggers.

Where they differ in practice:

Rules outside the US differ. This section is not a guide to any other country.

• Records. For direct holdings, the IRS says individuals report on Form 8949 unless a Form 1099-DA provides gross proceeds and basis. Keep your own records of basis and dates either way.
• Wash sales. Investor.gov defines a wash sale as selling securities at a loss and buying substantially identical securities within 30 days before or after, and the rules prohibit deducting such losses. ETF shares are securities. The IRS FAQ on digital assets that we read does not mention wash sales for directly held bitcoin, so we make no claim either way. Ask a tax adviser before relying on a tax-loss sale of either.

How to choose

This article is general information, not financial or tax advice. The worked example uses hypothetical figures.

1. You want price exposure in a brokerage account, with no wallet to manage: a low-fee ETF is simpler. Compare the sponsor fee, and read the fund's own page for the current rate and any waiver.
2. You want to hold or use bitcoin itself, or you want no sponsor between you and the network: hold it directly and accept that key management is your job.
3. Avoid paying 1.5% for the same exposure when funds with fees below 0.25% exist, unless you have a tax reason to hold shares you already own. The ten-year example shows why.
4. Check what you actually own. Shares are a claim on a trust. Bitcoin in a wallet is a claim on nothing but the network.
5. Keep records either way. Basis, dates and proceeds decide your tax result.