As of Sep 15, 2026

ARKB ETF Flows — ARK/21Shares

No signup · Daily net flows · Farside Investors data

ARKB is ARK/21Shares's a US spot Bitcoin ETF. The latest published day shows a net outflow of -$42.0M. Over the past 7 days the fund has seen -$276M, and over 30 days -$118M. ARKB accounts for -3.1% of the BTC ETF complex's 30-day net flow.

ARKB net flow: yesterday, 7-day, 30-day

YesterdayOutflow
-$42.0M
Latest active daily net flow
7-dayOutflow
-$276M
Rolling net flow window
30-dayOutflow
-$118M
Monthly net flow trend
Morning context

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ARKB vs the largest BTC ETFs

Top funds by absolute 30-day net flow, for context on where ARKB sits.

TickerIssuerYesterday30-day
IBITBlackRock+$134M+$3.55B
FBTCFidelity+$53.3M+$383M
GBTCGrayscale$0-$314M
BTCProShares$0+$290M
HODLVanEck$0-$135M

See all BTC and BTC/ETH ETF flows →

Frequently asked questions

What are ARKB ETF flows?

ARKB ETF flows are the net US dollars moving into or out of ARK/21Shares's spot Bitcoin ETF each day. A net inflow means the fund created new shares and bought BTC; a net outflow means shares were redeemed.

Is ARKB seeing inflows or outflows right now?

On the latest published day ARKB recorded a net outflow of -$42.0M. Across the last 7 days the fund is at -$276M, and across 30 days at -$118M.

How much of total BTC ETF flow does ARKB represent?

ARKB accounts for -3.1% of the BTC ETF complex's 30-day net flow.

How often is this data updated?

Every 6 hours from Farside Investors, and this page is rebuilt from the latest snapshot. The as-of date is shown at the top.

Methodology & data sources

Flow data is sourced from Farside Investors and refreshed every 6 hours. This page is rebuilt from the latest published snapshot. Descriptive data, not financial advice.