Spot Bitcoin ETF Directory
12 ETFs · ₿ 1,271,771 in custody · $82.09B AUM · $82.09B live BTC value
Holdings computed from flows as of Jul 28, 2026
Daily flows: latest day, MTD, YTD and per ETF →Disclaimer: SatsIntel is for informational purposes only. It is not an authorized crypto-asset service provider (CASP) and does not provide financial, tax or legal advice. Crypto-assets are high-risk assets and may result in the total loss of the invested capital. See the legal terms.
BTC in custody and AUM: official issuer announcements and websites · Flows: daily scraping of Farside Investors · Live BTC price via CoinGecko · Flows updated: Jul 29, 2026, 11:57 PM
Segment overview
The 12 spot ETFs regulated in the US hold a combined 1,271,771 BTC, with an aggregate AUM of $82.09B. iShares Bitcoin Trust (IBIT) leads with $51.06B in AUM; the cheapest is MSBT at 0.14% TER. GBTC is dragging −$27.42B in historical outflows.
Flows from Farside Investors, holdings computed by iterating daily flows × that day's BTC price. AUM is recalculated using btcHoldings × live price.
Frequently asked questions
- Which is the largest spot Bitcoin ETF by AUM?
- iShares Bitcoin Trust (IBIT) from BlackRock, with $51.06B in assets under management and 791,043 BTC held in custody with Coinbase Custody. In second place, Fidelity Wise Origin Bitcoin Fund (FBTC) with $11.79B.
- Which spot Bitcoin ETF has the lowest TER (expense ratio)?
- Morgan Stanley Bitcoin ETF (MSBT) from Morgan Stanley charges the lowest TER on the market: 0.14% per year. For reference, the most expensive is Grayscale Bitcoin Trust (GBTC) at 1.5%. Investing $10,000 for one year costs $14.00 in MSBT versus $150.00 in GBTC.
- How much Bitcoin do US spot ETFs hold in total?
- The 12 regulated US spot ETFs hold a combined 1,271,771 BTC, with an aggregate AUM of $82.09B. The largest is IBIT (791,043 BTC), followed by FBTC (182,587 BTC).
- Which custodians do Bitcoin ETFs use, and which ones do not use Coinbase?
- US spot Bitcoin ETFs use 4 different custodians: Coinbase Custody, Fidelity Digital Assets Services, Gemini Trust Company, BitGo Trust Company. The ETFs that do NOT use Coinbase as custodian are FBTC (Fidelity), HODL (Gemini), DEFI (BitGo) — an interesting option for investors seeking counterparty-risk diversification.
- Which Bitcoin ETF has attracted the most capital since launch?
- iShares Bitcoin Trust (IBIT) has accumulated positive net flows of +$60.33B since launch, the fastest asset-gathering pace of any ETF in US market history. Data: Farside Investors.
- Which Bitcoin ETF has lost the most capital?
- Grayscale Bitcoin Trust (GBTC) has accumulated net outflows of −$27.42B since its conversion to an ETF in January 2024. The main reason is its 1.5% TER (well above the rest, which sit at 0.19-0.25%), pushing investors to rotate into cheaper alternatives.
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