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Bitwise pitched a diversified 10-crypto fund, then lost $500 million as Bitcoin swallowed 78% of the portfolio

Reported by Cryptoslate
Aug 10, 2026· 3 min read
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Key Takeaways
  • • Bitwise's 10 Crypto Index ETF (BITW) contracted 48.27% in net assets, falling from $1.03 billion at year-end 2025 to $532.8 million by June 30, 2026, driven by market losses and net redemptions totaling $497.1 million combined.
  • • Bitcoin's concentration in the fund surged to 77.81% of shareholders' equity by June, up from a more balanced allocation at launch, while Ethereum declined to 12.59%—contradicting the fund's diversification mandate across 10 crypto assets.
  • • Share redemptions ($161.2 million) vastly outpaced creations ($3.5 million) through authorized participants, reducing outstanding shares 18.97% from 17.45 million to 14.14 million, signaling investor flight from the product.
  • • The fund posted a negative 36.16% principal market NAV total return for the six-month period, with operations accounting for $339.4 million in asset reduction and capital-share transactions accounting for another $157.7 million.
  • • Unrealized depreciation of $430.7 million dominated losses, only partially offset by $94.1 million in realized gains, highlighting the severity of market drawdowns across the basket during the first half of 2026.
Summary
Bitwise's flagship 10 Crypto Index ETF experienced a dramatic contraction in the first half of 2026, with net assets plummeting 48.27% to $532.8 million from $1.03 billion at December 31, 2025. The fund's decline reflected a dual pressure of poor market performance and substantial investor redemptions, according to its quarterly filing dated August 10, 2026. The fund delivered a negative 36.16% principal market NAV total return per share over the six-month period, creating significant losses for shareholders while simultaneously triggering exit activity among institutional investors.

The asset decline stemmed from two distinct mechanisms. Operational losses reduced BITW's net assets by $339.4 million, driven primarily by $430.7 million in unrealized depreciation across the portfolio. The fund partially offset these losses with $94.1 million in realized gains, resulting in a net investment loss of $2.8 million. Capital-share transactions—redemptions through authorized participants—accounted for an additional $157.7 million reduction in assets. Redemptions totaled $161.2 million against only $3.5 million in new share creations, a 46-to-1 redemption ratio that underscores broad-based investor withdrawal from the fund.

Most notably, the fund's portfolio composition shifted dramatically away from its stated 10-asset diversification objective. Bitcoin's allocation surged to 77.81% of shareholders' equity by June 30, representing a significant concentration risk in a fund explicitly designed to provide diversified crypto exposure. Ethereum's share declined to 12.59%, leaving the remaining eight cryptocurrencies with minimal representation. This concentration reflects both the outsized performance divergence between Bitcoin and alternative cryptocurrencies during the period and the fund's market-cap weighting methodology, which mechanically amplified Bitcoin's dominance during a period when Bitcoin outperformed smaller-cap digital assets.

Share count reductions underscore the scale of redemption activity. Outstanding shares fell 18.97% from 17.45 million to 14.14 million as authorized participants processed large-block redemptions, indicating that institutional investors and high-volume traders responded to the fund's performance and composition drift by liquidating positions. The combination of market losses and redemption activity created a challenging environment for remaining shareholders, who faced both portfolio depreciation and dilutive effects from the fund's heavy concentration in Bitcoin—a departure from the diversified positioning that Bitwise had marketed to investors.

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Sources

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AlphaMaven summarised this story from the reporting below. Each link opens the original article.

Cryptoslate Bitwise pitched a diversified 10-crypto fund, then lost $500 million as Bitcoin swallowed 78% of the portfolio