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ARK 21Shares Bitcoin ETF (ARKB) — Bitcoin ETF Flows

Is Money Moving Into ARKB or Out?

ARK 21Shares Bitcoin ETF, run by ARK Invest & 21Shares — one of the US funds that holds real Bitcoin for its shareholders.

Updated 7 hours ago
What stands out

Money keeps leaving ARKB — about $384 million out over the last month, a quicker pace than usual.

Total money invested in ARKB
maketomaketo.com/etf/arkb$0$1.00B$2.00B$3.00BJanJunNovAprSepFebTODAY$1.25B

The running total of every dollar invested in ARKB since January 2024 — $1.25 billion in all.

  1. Is money moving into ARKB or out?

    Selling Heavily

    Money is leaving ARKB far faster than usual.

  2. How much money has moved lately?

    −$27M
    Last trading day
    Money left
    +$36M
    Past week
    Money in
    −$384M
    Past month
    10 days out · 2 days in
    Money left

  3. Is that fast or slow, for this fund?

    ARKB just had a heavier month of money moving than 79% of its own history.

    QuietHeavy

  4. How big is ARKB next to the other funds?

    $1.2B
    All-time money in
    Everything invested in this fund since it started trading.
    1.6%
    Share of all money in
    Of everything that's flowed into the Bitcoin ETFs since 2024.
    −$5.6B
    All funds, past month
    Money left

    Moving with the pack — the funds as a group also saw money leave this month.

  5. What does this mean for you?

    Money is leaving ARKB fast — quicker than it usually does.

    Over the past month about $384 million has flowed out of ARKB — a quicker month of selling than 79% of its history.

    When money leaves a fund, it sells Bitcoin to pay shareholders out. A heavy stretch in one fund is worth checking against the others: if they're taking money in while this one bleeds, it's a fund-specific story, not a Bitcoin story.

    Watch for the pace to slow, or for the move to spread to the other funds — that's when a one-fund story becomes a market story.

    What to watch from here
    • Money is leaving ARKB fast — about $384 million this past month, quicker than 79% of its history.
    • Whether the other funds are bleeding too — one fund alone is a fund story, all of them is a market story.
    • Watch for the selling to slow or flip back to buying.
All Bitcoin ETFs →
The all-funds picture — are the big funds buying or selling?
Are People Buying or Selling? →
The big-picture read across the whole market.
ETF News →
The latest headlines on the funds and the money moving through them.

Understanding ARK 21Shares Bitcoin ETF (ARKB)

ARK 21Shares Bitcoin ETF is one of the US Bitcoin ETFs — stock-market funds that hold real Bitcoin on behalf of their shareholders. It's run by ARK Invest & 21Shares. When money comes into the fund, it buys Bitcoin; when money leaves, it sells. You buy and sell its shares through a normal brokerage account, like any stock.

This page tracks the money flowing in and out of this one fund, and the big chart shows the running total of everything invested in it since January 2024. The percentages and “faster than usual” readings compare the fund against its own history, not against the other funds.

A single fund's numbers mix two things: how people feel about Bitcoin, and how this fund competes with the other twelve — fees, brand, and where it's easiest to buy. Money can leave one fund and walk straight into a cheaper one next door without anyone actually selling Bitcoin. For the market-wide read, start from the main Bitcoin ETF page.

These funds trade on the stock market, so they're closed on weekends and holidays — flat stretches on the chart are days the market wasn't open, not days nothing happened to Bitcoin.