Compare · BTC spot ETFs

IBIT vs ARKB

iShares Bitcoin Trust ETF against ARK 21Shares Bitcoin ETF

ARKB is cheaper: 0.21% vs 0.25% a year, or $0.40 less per $1,000 held.
IBIT is 23.2x the size of ARKB by net assets.

	IBIT	ARKB
Issuer	BlackRock	ARK Invest / 21Shares
Expense ratio	0.25%	0.21%
Net assets (USD)	67.1B	2.9B
YTD return	−4.30%	−4.26%
Net flow, last 5 days	−$190.3M	−$122.0M
Pre-market estimate: median miss	0.07%	0.06%

Both funds hold BTC, so their daily moves are nearly identical; the lasting differences are fees, size and liquidity. Estimate miss is how far Pre-Tick's pre-market estimate landed from the official 9:30 AM ET open (see accuracy). Flows are US spot ETF net flows from SoSoValue. Not investment advice.