Summary: U.S. spot exchange-traded funds (ETFs) for Bitcoin (BTC) and Ethereum (ETH) recorded net outflows last week, while spot ETFs for XRP and Solana (SOL) attracted fresh capital. Data aggregators show BTC spot ETFs lost $87.77 million and ETH spot ETFs shed $65.59 million over the period, while XRP and SOL spot ETFs posted net inflows of $230.74 million and $20.3 million, respectively.
Key facts (quick view)
- Bitcoin (BTC) spot ETFs: net outflows $87.77M (week ending Dec. 5, 2025).
- Ethereum (ETH) spot ETFs: net outflows $65.59M (same week).
- XRP spot ETFs: net inflows $230.74M — the largest weekly inflow among major crypto spot ETFs that week.
- Solana (SOL) spot ETFs: modest net inflows $20.3M for the week.
Lede — What happened and why it matters
Investors shifted capital away from the two largest crypto spot ETF markets — Bitcoin and Ethereum — during the first week of December, according to ETF flow trackers, while newer or altcoin-focused spot ETFs (notably XRP) continued to attract sizeable demand. Net flows into or out of spot ETFs are watched closely because they represent institutional and retail allocation trends and can influence secondary-market price action for the underlying tokens.
Data and sources
The weekly numbers come from crypto ETF flow aggregators and market trackers that pull daily issuer filings and exchange trade data. SoSoValue’s ETF dashboard (as reported across market-data sites) and CoinGlass’s ETF trackers — both widely quoted by market outlets — show BTC and ETH spot ETFs posted the outflows above while XRP and SOL posted the inflows cited. Those platforms compile issuer-level activity (e.g., BlackRock, Fidelity, Grayscale, Bitwise, Franklin) to produce a net weekly figure.
Market reaction and context
- XRP’s surge in ETF demand: The unusually large inflows into XRP spot ETFs reflect strong investor appetite since the product launches in the U.S., with several issuers collecting substantial assets in a short window. That demand has been a key pillar supporting XRP’s recent performance and has been widely reported across ETF-data and crypto-news sites.
- BTC and ETH outflows: Outflows from BTC and ETH spot ETFs do not on their own signal structural weakness — flows can be volatile and driven by rebalancing, profit-taking after price rallies, or rotation into newer ETF products (like XRP). Historical data shows BTC and ETH flows can reverse quickly depending on macro headlines and ETF issuer activity.
- SOL flows: Solana spot ETFs have generally attracted inflows since launch, but day-to-day and week-to-week totals are smaller compared with XRP in the period reported. CoinDesk noted a recent day when SOL ETFs marked their first outflow since launch, underlining how single-issuer moves or short-term market swings can change the picture quickly.
Who moved the money?
Issuer-level activity remains a key driver. In past weeks, large flows have been concentrated in a handful of funds (for example, IBIT/BlackRock, FBTC/Fidelity, GBTC/Grayscale for Bitcoin). For XRP and SOL, a mix of legacy asset managers and niche issuers contributed to early inflows. Aggregators (SoSoValue/CoinGlass) publish issuer breakdowns; market commentary suggests both new product launches and cross-asset rotation (capital shifting from BTC/ETH into newly listed altcoin ETFs) helped drive the numbers.
Why flows matter (brief explainer)
Spot ETF inflows mean the fund provider must buy the underlying asset (or otherwise source supply), which can put upward pressure on price and reduce circulating supply. Outflows mean the reverse: selling pressure or releasing tokens back into markets. Because ETFs are pooled, large concentrated flows from a few issuers can move prices, especially in smaller-cap markets. That dynamic is particularly visible for newer spot ETFs where total assets under management are smaller than the giant Bitcoin and Ethereum trusts.
Caveats and methodology
- Flow figures reported above are aggregated weekly totals compiled by market-data platforms (SoSoValue, CoinGlass and other trackers). Different aggregators may show small discrepancies because of timing, exchange-trade reporting windows, and how they treat creation/redemption activity. The figures cited here follow the SoSoValue/CoinGlass dataset for the week ending Dec. 5, 2025.
- ETF flows are only one input to price action. Macro news, on-chain metrics, trader positioning, and liquidity in futures/options markets also matter.
Bottom line
Last week’s flows signaled a short-term rotation of capital away from Bitcoin and Ethereum spot ETFs and into altcoin-focused products — particularly XRP — which posted the largest weekly inflow among major spot ETFs. Investors tracking institutional demand and token supply dynamics should watch subsequent daily issuer filings and aggregation data to see whether this rotation persists or represents a transient reallocation.
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