US spot Bitcoin exchange‑traded funds (ETFs) rebounded sharply on Tuesday, registering a combined $355 million in net inflows and ending a seven‑day sequence of outflows that reflected subdued investor activity as the year drew to a close.
Data from Coinglass shows that the resurgence in capital occurred across multiple major products, with BlackRock’s iShares Bitcoin Trust (IBIT) leading the way at roughly $144 million, followed by Ark & 21Shares’ ARKB fund at around $110 million.
Fidelity’s FBTC also attracted significant interest, helping to drive the overall positive session for the sector.
Market analysts say the inflows may reflect renewed institutional interest, potentially driven by year‑end portfolio adjustments and expectations for a stronger 2026 crypto ETF landscape.
Altcoin spot ETFs also attract capital
Beyond Bitcoin, other crypto ETF categories also posted upticks on Tuesday:
Ethereum spot ETFs ended a four‑day outflow streak with about $67.8 million in net inflows, according to the data.
| Date | ETHA (BlackRock) | FETH (Fidelity) | ETHW (Bitwise) | TETH (21Shares) | ETHV (VanEck) | QETH (Invesco) | EZET (Franklin) | ETHE (Grayscale) | ETH (Grayscale Mini) | Total |
| 30 Dec 2025 | 0.0 | 3.7 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 50.2 | 14.0 | 67.9 |
| 29 Dec 2025 | -13.3 | 3.7 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | -9.6 |
| 26 Dec 2025 | -22.1 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | -16.6 | 0.0 | -38.7 |
| 24 Dec 2025 | -22.3 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | -33.8 | 3.3 | -52.8 |
| 23 Dec 2025 | -25.0 | 0.0 | -14.0 | 0.0 | 0.0 | 0.0 | -5.6 | -50.9 | 0.0 | -95.5 |
| 22 Dec 2025 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 53.7 | 30.9 | 84.6 |
Newly launched spot XRP, Solana and Dogecoin ETFs all reported positive flows for the trading day, underscoring growing breadth in regulated crypto investment products.
The broader altcoin ETF space has drawn notable attention this quarter, with XRP‑based ETFs in particular showing strong demand since their launch, bucking the broader ETF trend over recent weeks.
Institutional demand on the rise
The recent fluctuation in ETF flows reflects broader caution in risk assets during year‑end trading, with investors traditionally rebalancing portfolios or locking in year‑end tax positions, factors that weighed on crypto funds into December.
Recent reports noted persistent outflows in both BTC and ETH ETFs earlier in the week, underscoring that Tuesday’s rebound marked a meaningful technical shift in liquidity patterns.
However, despite a generally choppy year for crypto ETFs, including periods where Bitcoin and Ethereum ETFs experienced persistent outflows, the year‑end rebound suggests some investors may be repositioning ahead of 2026.
Industry participants widely expect greater institutional adoption, regulatory clarity, and continued expansion of crypto ETF offerings in the months ahead.
Market analysts also note a growing number of filings for altcoin‑linked ETFs with novel structures that could appeal to diversified institutional strategies, potentially broadening the appeal of crypto exposure beyond BTC and ETH.
As crypto markets prepare for 2026, ETF flows will remain one key barometer of institutional sentiment, especially as regulatory developments and product innovations continue shaping the investment landscape.
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