Which ETF has a lower expense ratio, FBTC or BITB?

BITB has the lower expense ratio at 0.20% vs 0.25% for FBTC.

Which ETF is larger by assets under management, FBTC or BITB?

FBTC is larger by AUM. FBTC has approximately $10.8B in assets versus $2.3B for BITB (based on most recent available data).

Can I hold both FBTC and BITB in my portfolio?

Yes. Both FBTC and BITB can be held simultaneously through most brokerage accounts. However, since both track the spot price of Bitcoin, holding both in large quantities results in concentrated and highly correlated exposure. Investors typically choose one spot Bitcoin ETF rather than diversifying across multiple to keep costs low.

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FBTC vs BITB

Head-to-head Bitcoin ETF comparison - expense ratios, AUM, performance, and more

Quick Answer

BITB has the lower expense ratio at 0.20% versus 0.25%. Fidelity's FBTC is roughly 5x larger by assets ($10.8B vs $2.3B). Bitwise's BITB uses Bank of New York Mellon for Bitcoin custody, while FBTC uses Fidelity Digital Assets.

FBTC

Fidelity Wise Origin Bitcoin Fund ETF

IssuerFidelity

Expense Ratio0.25%

AUM$10.8B

View full profile

BITB

Bitwise Bitcoin ETF Trust ETF

IssuerBitwise

Expense Ratio0.20%

AUM$2.3B

View full profile

At a Glance

Lower Fee

BITB

Larger AUM

FBTC

More Liquid

FBTC

Best YTD

Tied

Full Comparison

Metric	FBTC	BITB
Expense Ratio	0.25%	0.20% Winner
AUM	$10.8B Winner	$2.3B
Price	$56.53	$35.24
YTD Return	-27.70% Tie	-27.79% Tie
1-Year Return	-44.93% Tie	-44.92% Tie
Avg Daily Volume	4.4M Winner	2.4M
Custodian	Fidelity Digital Assets	Bank of New York Mellon
Issuer	Fidelity	Bitwise
Inception Date	Jan 11, 2024	Jan 11, 2024
Exchange Listed	Cboe BZX Exchange	NYSE Arca
SEC Registered	Yes	Yes

Key Differences

Different Custodians

FBTC holds its Bitcoin with Fidelity Digital Assets, while BITB uses Bank of New York Mellon. Custodian choice affects your exposure to counterparty risk and the operational security model protecting the fund's Bitcoin.

Which Is Right For You?

FBTC is best for:

Fidelity account holders seeking low-cost direct Bitcoin exposure via a regulated spot ETF

BITB is best for:

Cost-conscious investors seeking regulated spot bitcoin exposure with institutional-grade custody

21Rates Take

FBTC and BITB sit very close on expense ratio, with BITB holding a marginal fee advantage. Fidelity's FBTC benefits from the trust and infrastructure of a household-name brokerage, making it a natural fit for investors in the Fidelity ecosystem. BITB is issued by Bitwise, a firm focused exclusively on crypto asset management, which resonates with investors who prefer crypto-native expertise. Both are well-run products with solid institutional custody. The decision often hinges on where you hold your brokerage account and which issuer philosophy aligns with your values.

Reviewed by 21Rates Editorial on Jul 20, 2026

Frequently Asked Questions

What is the difference between FBTC and BITB?

FBTC is issued by Fidelity and charges a 0.25% expense ratio, while BITB is issued by Bitwise at 0.20%. Both are spot Bitcoin ETFs that hold physical Bitcoin. They differ in issuer, custody arrangements (FBTC uses Fidelity Digital Assets; BITB uses Bank of New York Mellon), and overall fund scale.

Which has the lower expense ratio, FBTC or BITB?

BITB has a lower expense ratio at 0.20% versus 0.25% for FBTC.

Which ETF has more assets under management?

FBTC is the larger fund by AUM at $10.8B versus $2.3B for BITB.

Can I hold both FBTC and BITB at the same time?

Yes. Both funds can be held in most brokerage accounts simultaneously. However, since both track Bitcoin, holding both creates highly correlated exposure. Most investors choose one fund to keep costs and complexity low.

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Market data (price, AUM, volume, returns) is updated up to 3 times daily from live market sources. Expense ratios and fund details are sourced from fund prospectuses and issuer disclosures.

Data as of Aug 8, 2026.

This comparison is for informational purposes only and does not constitute investment advice. Bitcoin ETFs are subject to market risk including the potential loss of principal. Past performance does not guarantee future results.