All five funds added coin on Monday, and IBIT took most of it. iShares' IBIT took in 4,415.75 BTC on September 21, about $380.10 million, its biggest day since September 3 and its third inflow in a row. It holds 790,775.59 BTC, more than on any day since August 20.
From the data
Spot BTC & ETH ETF Flows & Holdings
ETHA added 39,823.14 ETH, about $108.78 million, its second straight inflow. Bitwise's BITB took in 249.59 BTC, about $21.47 million, and ETHW 1,573.01 ETH, about $4.32 million. ARK 21Shares' ARKB added 23 BTC, about $1.96 million.
A fund's flow is the day's change in the coins it holds, as its issuer reports them, in dollars. Rising holdings mean the fund created new shares.
| Fund | Issuer | Change on September 21 | Flow | Holdings |
|---|---|---|---|---|
| IBIT | iShares | +4,415.75 BTC | +$380.10 million | 790,775.59 BTC |
| ETHA | iShares | +39,823.14 ETH | +$108.78 million | 3,593,637.48 ETH |
| BITB | Bitwise | +249.59 BTC | +$21.47 million | 38,398.18 BTC |
| ETHW | Bitwise | +1,573.01 ETH | +$4.32 million | 111,266.86 ETH |
| ARKB | ARK 21Shares | +23 BTC | +$1.96 million | 30,776 BTC |
That's about $517 million in a day: $404 million into the bitcoin funds and $113 million into the ether funds.
IBIT's three-day run
Over Thursday, Friday and Monday, IBIT added 8,152.17 BTC, about $680.91 million. It lost 4,030.91 BTC on September 15 and 16, so the run has more than made that up. The fund holds 20.59 times BITB's bitcoin.
BITB at its high
BITB's 249.59 BTC is its largest intake since early September. With Friday's 119.37 BTC, it's added 368.96 BTC in two trading days, more than twice the 162.78 BTC it redeemed on September 15. At 38,398.18 BTC, the fund holds more bitcoin than on any day since August 21.
The ether funds
ETHW's 1,573.01 ETH is its biggest intake since September 11. Over Friday and Monday it's added 2,073.51 ETH, a small part of the 14,300.49 ETH it redeemed on September 15. ETHA holds 32.30 times ETHW's ether. The two ether funds hold about 3,704,904 ETH together, and the three bitcoin funds about 859,950 BTC.
Each fund's daily figures 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.
