Key Takeaways
- • Zcash (ZEC) spot ETFs captured $98.2 million in inflows for the week ending September 18, 2026, outpacing all other crypto products tracked and marking the largest weekly inflow among 14 cryptocurrency ETFs.
- • Ethereum ETFs recorded the only net outflow among tracked crypto funds, experiencing $140 million in redemptions during the same week, despite broader strength in alternative cryptocurrency products.
- • Bitcoin and Ethereum ETFs collectively drew $2.6 billion in the same period, representing their strongest combined weekly performance since October 2025, indicating sustained institutional demand despite Ethereum's individual outflow pressure.
- • The divergence in flows underscores shifting investor positioning within crypto asset classes, with alternative altcoins like Zcash attracting significant capital while Ethereum faces redemption pressure.
Summary
Zcash spot exchange-traded funds dominated cryptocurrency fund inflows for the week ending September 18, 2026, attracting $98.2 million and substantially outperforming both Bitcoin and Ethereum products. The performance marks a notable reversal in investor focus, with Zcash claiming the top position among 14 tracked crypto ETF products despite the historical dominance of Bitcoin and Ethereum in capital flows.
The market showed mixed signals across major digital asset categories. While Zcash captured the largest weekly inflow, Ethereum ETFs recorded the only net outflow among tracked products, experiencing $140 million in redemptions. This redemption pressure on Ethereum stands in contrast to broader momentum in the cryptocurrency space and suggests potential reallocation of capital away from the second-largest digital asset.
Bitcoin and Ethereum ETFs, when evaluated together, posted $2.6 billion in combined inflows for the week—their strongest performance since October 2025. This aggregate strength masks the underlying divergence, with Bitcoin continuing to attract capital while Ethereum faced headwinds. The data reflects a more nuanced institutional investment landscape than simple headline narratives suggest, with capital rotating both between asset classes and toward alternative cryptocurrencies that had previously experienced less institutional attention.
The Zcash outperformance indicates evolving investor appetite for privacy-focused and alternative digital assets, potentially driven by changing regulatory considerations, market sentiment shifts, or tactical positioning ahead of anticipated market developments. For institutional investors and fund managers tracking crypto allocations, these flows signal a broadening of the typical Bitcoin-Ethereum concentration that has historically defined crypto ETF activity.
The market showed mixed signals across major digital asset categories. While Zcash captured the largest weekly inflow, Ethereum ETFs recorded the only net outflow among tracked products, experiencing $140 million in redemptions. This redemption pressure on Ethereum stands in contrast to broader momentum in the cryptocurrency space and suggests potential reallocation of capital away from the second-largest digital asset.
Bitcoin and Ethereum ETFs, when evaluated together, posted $2.6 billion in combined inflows for the week—their strongest performance since October 2025. This aggregate strength masks the underlying divergence, with Bitcoin continuing to attract capital while Ethereum faced headwinds. The data reflects a more nuanced institutional investment landscape than simple headline narratives suggest, with capital rotating both between asset classes and toward alternative cryptocurrencies that had previously experienced less institutional attention.
The Zcash outperformance indicates evolving investor appetite for privacy-focused and alternative digital assets, potentially driven by changing regulatory considerations, market sentiment shifts, or tactical positioning ahead of anticipated market developments. For institutional investors and fund managers tracking crypto allocations, these flows signal a broadening of the typical Bitcoin-Ethereum concentration that has historically defined crypto ETF activity.
Go deeper than the headline
Research every firm in this story, track the ones that matter and get the daily briefing — free for 7 days.