Top US Crypto ETFs by AUM: 1. IBIT (BlackRock) – $70.82B 2. FBTC (Fidelity) – $18.05B 3. GBTC (Grayscale) – $14.90B 4. ARKB (ARK 21Shares) – $3.40B 5. BTC (Grayscale Mini BTC) – $4.26B
Top Canada & Europe Crypto ETFs: 1. BTCC (Purpose BTC - Canada) – $1.8B CAD 2. ETHH (Purpose ETH - Canada) – $650M CAD 3. 21Shares BTC ETP (Switzerland) – $1.2B 4. WisdomTree BTC ETP (Europe) – $900M 5. CoinShares Physical BTC (Europe) – $750M
Top Asia Crypto ETFs: 1. CSOP BTC Futures ETF (Hong Kong) – $1.1B HKD 2. Harvest BTC Spot ETF (Hong Kong) – $850M HKD 3. Samsung BTC ETF (Hong Kong) – $720M HKD 4. Global X BTC ETF (Hong Kong) – $600M HKD

ARK 21Shares Bitcoin ETF (ARKB)

Spot Bitcoin ETF co-managed by ARK Invest and 21Shares with one of the lowest expense ratios among major U.S. spot Bitcoin ETFs.

Key Facts

IssuerARK Invest / 21Shares
TickerARKB (Cboe BZX)
Expense Ratio0.21%
Approx. AUM$3.4B
CustodianCoinbase Custody
InceptionJanuary 11, 2024
Official Site ARK Funds ARKB Page21Shares ARKB Page

Net Inflows & Outflows

Historical daily/weekly net flows showing investor demand for ARKB.

Performance Overview

Price/NAV tracking and returns vs. Bitcoin spot price (historical).

ESG & Sustainability Metrics

Estimated ESG ratings and carbon footprint (where applicable for crypto ETFs).

Pros

  • Very competitive 0.21% expense ratio (among the lowest for spot BTC ETFs)
  • Backed by well-known innovation-focused manager ARK Invest
  • Strong brand recognition from Cathie Wood & 21Shares crypto expertise
  • Good liquidity for its size tier

Cons

  • Significantly smaller AUM than top 3 ETFs (lower liquidity)
  • Full exposure to Bitcoin price volatility
  • No direct Bitcoin ownership or withdrawal option
  • Higher tracking error risk compared to larger ETFs

How to Buy ARKB

Available on all major U.S. brokers including Fidelity, Charles Schwab, Vanguard, Robinhood, eToro, Interactive Brokers, and more. Simply search ticker ARKB.

Not financial advice. Investments in crypto ETFs involve high risk, including potential loss of principal. Data approximate and subject to change; always verify with official sources.