IBIT flipped back to inflows on Thursday. iShares' IBIT added 2,400.39 BTC on September 17, about $187.20 million, its biggest intake since September 3. That won back more than half of the 4,030.91 BTC it lost on Tuesday and Wednesday, and it now holds 785,023.81 BTC.
From the data
Spot BTC & ETH ETF Flows & Holdings
The other funds didn't follow. ARK 21Shares' ARKB lost 1,114 BTC, about $85.75 million, and iShares' ETHA lost 17,498.96 ETH, about $46.04 million. Bitwise's BITB and ETHW were flat for a second day.
A fund's flow is the day's change in the coins it holds, as the issuer reports them, valued in dollars. Up means new shares were created; down means shares were redeemed.
| Fund | Issuer | Change on September 17 | Flow | Holdings |
|---|---|---|---|---|
| IBIT | iShares | +2,400.39 BTC | +$187.20 million | 785,023.81 BTC |
| ARKB | ARK 21Shares | -1,114 BTC | -$85.75 million | 30,753 BTC |
| ETHA | iShares | -17,498.96 ETH | -$46.04 million | 3,510,369.71 ETH |
| BITB | Bitwise | 0 BTC | $0 | 38,029.22 BTC |
| ETHW | Bitwise | 0 ETH | $0 | 109,193.35 ETH |
Net, about $101 million came into the three bitcoin funds and $46 million left the two ether funds.
ARKB's second outflow in a row
ARKB held 32,095 BTC on September 15. Wednesday's 228 BTC and Thursday's 1,114 BTC have taken it to 30,753 BTC, 1,342 BTC lighter, or about $103 million.
ETHA shrinks for a third day
ETHA's outflows now run three days: 40,729.84 ETH on Tuesday, 45,858.81 ETH on Wednesday and 17,498.96 ETH on Thursday. That's about 104,088 ETH, or $255.33 million. It still holds 3,510,369.71 ETH, 32.15 times ETHW's 109,193.35 ETH.
Bitwise unchanged since Tuesday
BITB's 38,029.22 BTC and ETHW's 109,193.35 ETH haven't changed since Tuesday's redemptions of 162.78 BTC and 14,300.49 ETH. IBIT holds 20.64 times BITB's bitcoin. The three bitcoin funds hold about 853,806 BTC together, and the two ether funds about 3,619,563 ETH.
Daily figures for all five funds are on the crypto ETF flows page, and the ETF flows API serves the same numbers.
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.
