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How Are Bitcoin ETFs Taxed? Grantor Trusts, 1099s & Capital Gains Explained

Moritz Nold 20 de julio de 2026 11 min read
How Are Bitcoin ETFs Taxed? Grantor Trusts, 1099s & Capital Gains Explained

Bitcoin exchange-traded funds no longer come in a single flavor. When the Securities and Exchange Commission approved 11 spot Bitcoin ETPs on January 10, 2024, it created a second, structurally different way to hold Bitcoin exposure in a normal brokerage account, next to the futures-based funds already trading since 2021. That distinction isn't a technicality: spot and futures-based Bitcoin ETFs are taxed under two different sets of rules.

Gains are still taxed as capital gains once you sell. But the path there can run through a grantor trust structure, in-kind creation and redemption, and a document called a trust tax information statement, none of which apply to a normal stock ETF. This guide covers how capital gains rules apply to IBIT, FBTC, and GBTC, why some Bitcoin ETFs send a Schedule K-1 instead of a 1099, and what the IRS's new Form 1099-DA changes starting in 2026.

Key Takeaways

  • Bitcoin ETFs are taxed on capital gains when sold, but spot ETFs like IBIT, FBTC, and GBTC add a layer most investors miss: the grantor trust structure
  • Grantor trusts sell small amounts of Bitcoin to pay their sponsor's fee, and that sale creates a taxable gain or loss for you even if you never sold a single ETF share
  • Futures-based ETFs like BITO pass through Section 1256's 60/40 gain split, while leveraged or inverse futures products structured as commodity pools can issue a Schedule K-1 instead of a 1099
  • CoinTracking imports your exchange, wallet, and DeFi activity to handle the crypto side of your taxes; your Bitcoin ETF's 1099-B and grantor trust statement still come from your broker, and the two only combine on Schedule D

What Is a Bitcoin ETF?

A Bitcoin ETF trades on a stock exchange like an ordinary share while giving you price exposure to Bitcoin, without buying, storing, or securing any coins yourself. For traditional investors, including advisors, family offices, and anyone running a Bitcoin position inside a retirement account, that convenience is the entire point: no wallet, no private keys, nothing to self-custody.

Until January 2024, every US Bitcoin ETF was futures-based. These funds hold CME Bitcoin futures contracts rather than actual Bitcoin. The first one, ProShares Bitcoin Strategy ETF (BITO), launched in October 2021.

Is There a Spot Bitcoin ETF in the US?

Yes. The SEC's January 2024 approval let funds hold actual Bitcoin directly for the first time, and 11 spot Bitcoin ETPs began trading on January 11, 2024, including iShares Bitcoin Trust (IBIT), Fidelity Wise Origin Bitcoin Fund (FBTC), and the converted Grayscale Bitcoin Trust (GBTC).

Do Bitcoin ETFs Actually Own Bitcoin?

Depends which one you buy. Spot ETFs hold actual Bitcoin in cold storage through a custodian, so their share price tracks the spot price directly. Futures-based ETFs like BITO hold futures contracts and cash instead, not Bitcoin at all, and that one structural difference drives most of the tax differences below.

Futures vs. Spot Bitcoin ETFs: Why the Tax Treatment Differs

Futures-based Bitcoin ETFs like BITO are structured as regulated investment companies (RICs) under the Investment Company Act of 1940. Inside the fund, Bitcoin futures contracts are Section 1256 contracts, a category of the tax code covering regulated futures. Section 1256 contracts get marked to market at year-end regardless of whether they were sold, and any gain or loss automatically splits 60% long-term and 40% short-term, no matter how long the fund actually held the position.

That 60/40 split happens at the fund level, so you never file Form 6781 yourself. The fund passes the already-characterized gain or loss through to you on a Form 1099-DIV, reported the same way as any other fund's capital gain distribution.

Spot Bitcoin ETFs never touch Section 1256, since they hold Bitcoin directly rather than futures contracts, and Bitcoin itself is property, not a security or a Section 1256 contract, for federal tax purposes. Instead, spot ETFs run into the grantor trust rules covered next, which create their own, very different, tax quirks.

The Grantor Trust Structure Behind Spot Bitcoin ETFs

IBIT, FBTC, and GBTC are not mutual funds and not RICs. They're grantor trusts, a structure that predates spot Bitcoin ETFs by decades and shows up more commonly in gold ETFs. A grantor trust isn't registered under the Investment Company Act of 1940. That's deliberate: SEC filings for these products describe them as vehicles without '40 Act investor protections, in exchange for a structure the tax code treats as transparent.

"Transparent" is the part that actually matters for your return. Under grantor trust rules, the IRS looks straight through the trust and treats you as if you personally own a pro-rata slice of its actual Bitcoin holdings, not shares in a fund that happens to own Bitcoin. Every dollar of income, and every dollar of expense, gets allocated to you directly, in proportion to your shares.

That single design choice is why spot Bitcoin ETFs create a tax event most stock ETFs never do: the trust selling a sliver of its own Bitcoin to cover costs.

In-Kind Creation, Redemption, and "Phantom Income" From Expense Sales

Spot Bitcoin ETF shares aren't created out of thin air. An authorized participant, typically a large broker-dealer, delivers Bitcoin to the trust, or cash the trust converts into Bitcoin, for a block of new shares called a creation unit, and redemptions run the same process in reverse. Every creation and redemption had to settle in cash for the first year and a half, since the SEC hadn't yet approved in-kind handling for crypto ETPs. That changed on July 29, 2025, when the SEC approved in-kind creations and redemptions for crypto asset ETPs, bringing spot Bitcoin ETFs in line with gold and other commodity ETFs. None of that plumbing is where investors actually get caught out, though.

The real surprise is how the trust pays its own bills. A spot Bitcoin ETF pays its sponsor's fee every single day, and it pays that fee by periodically selling a small amount of the Bitcoin it holds. Because grantor trust rules treat you as the direct owner of your pro-rata share of that Bitcoin, the trust's sale gets treated as your sale. You're allocated your slice of the gain or loss, reportable on your own return, even though you personally did nothing: you didn't sell your ETF shares, and you didn't touch your brokerage account. The trust sold Bitcoin to pay a fee, and the IRS treats that as if you sold Bitcoin too.

This is sometimes called phantom income, and it's the single biggest thing separating spot Bitcoin ETF taxes from a normal stock ETF. A normal ETF almost never generates a taxable event between the day you buy and the day you sell. A spot Bitcoin ETF can, every year, whether or not you touch it. Whether the trust's sale produces a gain or a loss depends on Bitcoin's current price versus what the trust originally paid. In a rising market, expect a small recurring gain on your return. It has nothing to do with your own buy or sell decisions.

Fund sponsors report this activity on an annual grantor trust tax information statement, separate from, and in addition to, any 1099 from your broker. IBIT's sponsor, for example, publishes these statements on its tax documents page each year so shareholders can calculate their share of the expense-sale gain or loss.

Get Your Crypto Side Organized

CoinTracking imports your exchange and wallet history and calculates gains on your direct Bitcoin trades and DeFi activity, covering the crypto side of your overall tax picture.

IBIT vs. FBTC vs. GBTC: How Reporting Differs

All three of the largest spot Bitcoin ETFs, iShares Bitcoin Trust (IBIT), Fidelity Wise Origin Bitcoin Fund (FBTC), and Grayscale Bitcoin Trust (GBTC), use the grantor trust structure above. But they aren't identical, and the differences affect the size of your annual expense-sale gain.

GBTC has the longest history of the three. It launched in September 2013 as a grantor trust, years before spot ETFs existed, and converted into a publicly traded ETF in January 2024. Its SEC-filed tax materials describe the same look-through grantor trust treatment as IBIT and FBTC, but GBTC's sponsor fee has historically run well above the two newer entrants, meaning a larger slice of Bitcoin gets sold each year to cover costs, and a bigger expense-sale gain or loss to report.

FeatureIBIT (iShares)FBTC (Fidelity)GBTC (Grayscale)
StructureGrantor trustGrantor trustGrantor trust
Holds actual BitcoinYesYesYes
Tax form for share sales1099-B1099-B1099-B
Annual expense-sale statementGrantor trust tax information statementGrantor trust tax information statementGrantor trust tax information statement
Trading sinceJanuary 2024January 20242013 (converted to ETF, January 2024)

Because every major spot Bitcoin ETF uses the same wrapper, the same two questions apply to all three: did you sell any shares this year, and did the fund's annual tax statement show an expense-sale gain or loss for your account? Skip either one and your tax return will be incomplete, even if you never touched your brokerage account.

How to Report a Bitcoin ETF on Your Taxes

Reporting a Bitcoin ETF follows the same basic path as any other brokerage security, with one extra document to track.

  1. Buying shares is not taxable. Purchasing a Bitcoin ETF, spot or futures-based, creates no tax event, and neither does simply holding it.
  2. Selling shares triggers capital gains or losses. Your broker sends a Form 1099-B showing proceeds and, usually, cost basis. Report each sale on Form 8949, then carry the totals to Schedule D of your Form 1040. Shares held more than one year are taxed at long-term capital gains rates of 0%, 15%, or 20%; shares held one year or less are taxed at your ordinary income rate, up to 37%.
  3. Check for a grantor trust tax information statement. If you held a spot Bitcoin ETF at any point during the year, look for this separate annual statement. It reports your pro-rata share of any expense-sale gain or loss, even in years you never sold a share, and that figure also belongs on Form 8949.
  4. Ordinary income gets reported separately. Bitcoin ETFs generally aren't expected to distribute dividends, but any distribution that does occur is taxed as ordinary income on the 1099-DIV your broker issues.

Good records make all of this easier to pull together at filing time. CoinTracking imports your on-chain and exchange activity to calculate gains on a direct Bitcoin sale, while your broker's 1099-B still covers the ETF side of your return separately.

K-1 vs. 1099: Why Leveraged and Futures Products Are Different

Not every Bitcoin ETF sends you the same tax form, and this is where investors get an unpleasant surprise every March.

BITO, the original futures-based Bitcoin ETF, is a regulated investment company. Its own fund materials confirm it operates with Investment Company Act protections, and RICs pass gains through on a Form 1099-DIV and Form 1099-B, the same as any ordinary stock ETF.

Leveraged and inverse Bitcoin futures ETFs can be built differently than BITO. Some are structured as commodity pools under the Commodity Exchange Act rather than as RICs. The issuer's own tax FAQ for its commodity and currency funds is explicit: these funds are treated as partnerships for tax purposes, so instead of a 1099-DIV, investors receive a Schedule K-1 reporting their allocated share of income, gains, losses, and deductions. K-1 packages are typically available by mid-March, later than most 1099s, which can complicate an early filing.

The takeaway: check your specific ticker's structure before you file. A spot ETF or a plain futures-based RIC like BITO means a 1099. A leveraged or inverse futures product structured as a commodity pool means a K-1, a later deadline, and different software to handle it.

The Net Investment Income Tax on Bitcoin ETF Gains

High earners face one more line item. The Net Investment Income Tax (NIIT) adds a flat 3.8% surtax on top of your regular capital gains tax once modified adjusted gross income crosses $200,000 for single filers or $250,000 for married couples filing jointly, thresholds that aren't indexed for inflation and catch more investors every year.

NIIT applies to Bitcoin ETF gains the same way it applies to any other capital gain: your ETF sale proceeds and any expense-sale gain from the grantor trust statement both count toward net investment income. If you're already close to the threshold from wages or other investments, a spot ETF's recurring expense-sale gains can be the detail that pushes you over it.

Tax-Loss Harvesting and the Wash Sale Rule

Direct Bitcoin and Bitcoin ETF shares aren't treated the same way here, and the difference is worth planning around.

The wash sale rule disallows a loss deduction if you sell a security at a loss and buy a substantially identical one within 30 days before or after the sale. That rule applies to stock and securities. Because the IRS classifies Bitcoin itself as property, not a security, selling Bitcoin directly at a loss and buying it back the next day currently avoids the wash sale rule entirely.

Bitcoin ETF shares are treated differently depending on structure. BITO is a regulated investment company, so wash sale rules clearly apply to its shares.

IBIT, FBTC, and GBTC are grantor trusts, not registered funds. Brokers apply wash sale adjustments to their shares in practice. But the grantor trust look-through argument treats these shares as Bitcoin property, not a security, which would exempt them from the wash sale rule. The IRS has not issued guidance on this. The conservative approach is to follow broker reporting; if this distinction matters for your return, consult a tax professional.

That makes tax-loss harvesting mechanically different depending on what you hold: rebuy direct Bitcoin immediately, but sit out 31 days (or rotate into a different fund) after harvesting a loss on the ETF. Our full wash sale guide covers how this plays out with direct crypto holdings.

Holding a Bitcoin ETF in an IRA or 401(k)

Because Bitcoin ETFs trade through a regular brokerage account, most brokerage-based IRAs can hold them directly, without the specialized custodians that direct Bitcoin ownership usually requires.

The account type determines the outcome. In a traditional IRA, contributions may be deductible, growth is tax-deferred, and withdrawals are taxed as ordinary income when you eventually take them out, regardless of how much came from capital gains. In a Roth IRA, you contribute after-tax money, but qualified withdrawals in retirement are entirely tax-free, including every dollar of Bitcoin ETF appreciation.

That structure sidesteps everything above, because nothing inside a retirement account is taxed until you withdraw it, and with a Roth, not even then. The usual trade-off still applies: early withdrawals before age 59½ generally trigger a penalty on top of any tax owed.

Form 1099-DA and Broker Reporting: What's Changing

The IRS created a new form specifically for digital assets, and it's a bigger deal than it sounds: Form 1099-DA, Digital Asset Proceeds from Broker Transactions.

Brokers must report gross proceeds for digital asset transactions effected on or after January 1, 2025, with basis reporting on certain transactions following for sales on or after January 1, 2026. The requirement covers custodial brokers, hosted wallet providers, kiosks, and certain payment processors, though it doesn't extend to non-custodial or decentralized platforms that never take possession of the assets.

Bitcoin ETFs sit in an interesting spot here. Your brokerage 1099-B already reports ETF share sales, so Form 1099-DA mainly closes the reporting gap for direct crypto transactions on exchanges, where cost-basis reporting has historically been inconsistent. But if you hold both a Bitcoin ETF and direct Bitcoin, 2026 is when brokers start reporting cost basis on the direct side. That applies only to assets acquired and held in a custodial account on or after January 1, 2026. For crypto bought before then, brokers are not required to report cost basis to the IRS, regardless of when you sell.

How CoinTracking Helps With Bitcoin ETF Taxes

CoinTracking has tracked crypto portfolios and calculated crypto gains since 2012, for over 2.2 million users, and it stays on the crypto side of a Bitcoin ETF investor's tax picture. Import your activity from CoinTracking's 400+ supported exchanges and wallets, and your direct Bitcoin trades and DeFi activity land in one tax report, with the Form 8949 detail your accountant or tax software needs for that side of your return.

Your Bitcoin ETF shares stay with your broker. The 1099-B for any ETF sale, and the grantor trust tax statement for expense-sale gains, both come from your broker or the fund sponsor, not from CoinTracking, and they land on Schedule D alongside your crypto numbers rather than inside them.

The Bottom Line

Bitcoin ETFs are taxed as capital gains when you sell, exactly like the old rules said, but which specific form shows up in your mailbox next April depends on which ETF you hold. A spot ETF like IBIT, FBTC, or GBTC can generate a taxable gain or loss in years you never touched your brokerage account, a futures-based RIC like BITO sends a 1099 with 60/40 treatment baked in, and a leveraged futures product may send a Schedule K-1 instead. Know which one applies to you before you file, not after.

Track the Crypto Side of Your Bitcoin ETF Taxes

Import your exchange and wallet activity, and let CoinTracking calculate your crypto capital gains and generate the Form 8949 detail your accountant needs for that side of your return.

Disclaimer

The information provided in this article is intended for general informational purposes only and should not be construed as financial, tax, or legal advice. Tax treatment of Bitcoin ETFs, grantor trusts, and digital assets is complex and subject to change, and this article does not account for your individual circumstances. Consult a qualified tax professional before making decisions based on this information. The author and publisher are not responsible for any losses or damages incurred as a result of using the information in this article.

Preguntas frecuentes

Usually not from your own trading, but spot Bitcoin ETFs can still generate a small taxable gain or loss each year from the trust's expense-sale activity. Check your annual grantor trust tax information statement to see if this applies to you.

Yes. Direct Bitcoin isn't a security, so it currently escapes the wash sale rule. For futures-based ETFs like BITO, wash sale rules clearly apply. For spot Bitcoin ETFs like IBIT, FBTC, and GBTC, the picture is less clear. Brokers apply wash sale adjustments in practice, but the IRS has not issued formal guidance.

It depends on the fund's structure. A regulated investment company like BITO issues a 1099, while many leveraged and inverse Bitcoin futures ETFs are structured as commodity pools and issue a Schedule K-1 instead, usually by mid-March.

Yes. Because Bitcoin ETFs trade through a standard brokerage account, most traditional and Roth IRAs can hold them without a specialized crypto custodian.

Report sales on Form 8949 and carry the totals to Schedule D of your Form 1040, the same as any other brokerage security. If you held a spot Bitcoin ETF, also check for a grantor trust tax statement covering expense-sale gains.

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