ARKB
ARK 21Shares Bitcoin ETF
ARK Invest's spot Bitcoin ETF, one of the largest by AUM after IBIT and FBTC. Holds physical Bitcoin in custody. Lower fee than GBTC. Cathie Wood's preferred Bitcoin vehicle.
AlternativeTER 0.21%Acc.
TER
0.21%
AUM
$4.5B
Holdings
~1
Data Range
— → —
Backtest Data Proxy
Uses IBIT as proxy for backtesting. Both track spot Bitcoin price.
Key Facts
ISIN
US00401H1023
Issuer
ARK Invest
Benchmark
CME CF Bitcoin Reference Rate — New York Variant
Total Expense Ratio (TER)
0.21%
Assets Under Management
$4.5B approx.
Inception Date
2024-01-10
Domicile
United States
Legal Structure
Grantor Trust
Dividend Policy
Accumulating (auto-reinvests)
Replication Method
Physical (Full Replication)
UCITS Status
✗ Not UCITS
Fund Currency
USD
Primary Exchange
CBOE BZX
Number of Holdings
~1
Equivalent ETFs
These ETFs track the same or very similar underlying index:
Who Is This ETF For?
✓Investors preferring automatic dividend reinvestment (no tax event on distributions in many jurisdictions).
Key Risks to Consider
• Non-UCITS: may have unfavorable tax treatment for non-US investors (US estate tax, withholding tax).
Similar ETFs
Continue Your Analysis
Data & Methodology
Metadata sourced from official issuer documentation. Price data from Yahoo Finance (monthly adjusted close, includes reinvested dividends and splits). AUM figures are approximate and updated quarterly.
Data source: Yahoo Finance (adjusted close), ARK Invest (metadata)Last verified: 2026-05-09
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💬 Frequently Asked Questions
ARK Invest's spot Bitcoin ETF, one of the largest by AUM after IBIT and FBTC. Holds physical Bitcoin in custody. Lower fee than GBTC. Cathie Wood's preferred Bitcoin vehicle.
ARKB has a total expense ratio (TER) of 0.21%, which means you pay $21 per year for every $10,000 invested.
ARKB is an accumulating ETF — dividends are automatically reinvested into the fund rather than paid out, which can be more tax-efficient in many jurisdictions.
ARKB is a US-domiciled ETF (not UCITS). Non-US investors should consider the US estate tax implications (40% on US assets above $60,000) and the 30% dividend withholding tax (reduced by treaty in some countries).
ARKB uses full physical replication, meaning it holds all (or nearly all) securities in the CME CF Bitcoin Reference Rate — New York Variant index directly.
Similar ETFs tracking the same or a very similar index include: IBIT, FBTC. These may differ in domicile, currency, dividend policy, or expense ratio.