ARK 21Shares' ARKB took in 3,348 BTC on Tuesday, September 22, worth $288.19 million. That's 84% of what IBIT drew the same day, $342.29 million, and IBIT holds 23 times as much bitcoin. ARKB had lost 1,342 BTC on September 16 and 17. On Tuesday its holdings rose 10.9% in a day, to 34,124 BTC, on its biggest inflow since its figures start on September 15.
From the data
Spot BTC & ETH ETF Flows & Holdings
Bitwise sat it out. BITB held at 38,398.18 BTC, the level it reached on Monday after a 249.59 BTC inflow ($21.47 million), and ETHW stayed at 111,266.86 ETH.
A fund's flow is the day's change in the coins it holds, in dollars. Rising holdings mean the issuer created shares and bought coin to back them; falling holdings mean it redeemed shares.
| Fund | Issuer | Change on September 22 | Flow | Holdings |
|---|---|---|---|---|
| IBIT | iShares | +4,053.37 BTC | +$342.29 million | 794,828.96 BTC |
| ARKB | ARK 21Shares | +3,348.00 BTC | +$288.19 million | 34,124.00 BTC |
| ETHA | iShares | +31,979.04 ETH | +$85.12 million | 3,625,616.52 ETH |
| BITB | Bitwise | 0.00 BTC | $0 | 38,398.18 BTC |
| ETHW | Bitwise | 0.00 ETH | $0 | 111,266.86 ETH |
IBIT's two days top $720 million
IBIT added $380.10 million on Monday and $342.29 million on Tuesday, $722.39 million in two days. It's the fund's fourth straight inflow, and it more than covers the $306.22 million that left on September 15 and 16. The three bitcoin funds took in $630.48 million on Tuesday. IBIT now holds 794,828.96 BTC, 20.70 times BITB's bitcoin.
ETHA buys again, ETHW doesn't
ETHA added 31,979.04 ETH, or $85.12 million, its third straight inflow after three days of outflows from September 15 to 17. It holds 3,625,616.52 ETH, 32.58 times as much as ETHW. Bitwise's ether fund last moved on Monday, when it took in 1,573.01 ETH ($4.32 million). Before that it lost 14,300.49 ETH ($34.39 million) on September 15 and got 500.50 ETH ($1.32 million) back on September 18.
Daily figures for each fund are on the crypto ETF flows page and in the ETF flows API.
Primary Sources & Disclosures
This article was written with AI tools. It's information, not investment, legal or tax advice. Editorial policy
Written by
XOOMAR
Data desk
XOOMAR publishes free market data from primary sources, with an open API. When something we publish is wrong, it's corrected in place.










