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Fund Files: AB looks to convert equity fund; WisdomTree files for tokenized ‘500’ ETF

Reported by Citywire
May 13, 2026· 2 min read
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Key Takeaways
  • • AllianceBernstein is converting its $766 million AB Equity Income fund (AUIIX) into an ETF structure, signaling ongoing industry migration from mutual funds to exchange-traded vehicles for cost efficiency and transparency.
  • • WisdomTree has filed to launch a tokenized S&P 500 ETF that generates income through bi-weekly put option sales, targeting a 2.5% yield and expanding its digital asset offering to a 14th tokenized fund.
  • • WisdomTree's tokenized funds operate as 1940-Act registered funds, providing investors with full shareholder rights codified in U.S. law while enabling 24/7 trading access for both retail and institutional investors in digital format.
  • • The filings reflect dual industry trends: traditional asset managers converting equity mutual funds to ETF wrappers for improved liquidity, and pioneering firms introducing blockchain-based tokenization to capture emerging investor demand for continuous market access.
Summary
AllianceBernstein has initiated a conversion of its $766 million AB Equity Income fund (AUIIX) from mutual fund status to an ETF structure, according to a recent Securities and Exchange Commission filing. The conversion aligns with a broader industry shift toward ETF wrappers, which offer lower expense ratios, intraday trading liquidity, and simplified tax efficiency compared to traditional open-end mutual funds. The AB Equity Income fund's substantial asset base demonstrates institutional confidence in the ETF conversion strategy for income-focused equity strategies.

Concurrently, WisdomTree has filed to launch a tokenized S&P 500 ETF as part of its expanding suite of digital asset offerings. The fund will employ a systematic income generation strategy, selling put options on a bi-weekly basis against the underlying ETF trust that tracks the S&P 500 Index, with a stated target yield of 2.5%. This filing represents WisdomTree's 14th tokenized fund offering and underscores the firm's commitment to democratizing access to digital investment vehicles across retail and institutional segments.

WisdomTree's tokenized funds operate as 1940-Act registered funds—traditional regulatory structures—but layered with blockchain-based settlement and custody mechanisms. This hybrid approach provides investors with comprehensive shareholder rights protections embedded in U.S. securities law while enabling 24/7 trading capabilities unavailable in standard equity ETFs, which operate within exchange hours. The architecture addresses a critical market gap: institutional and retail investors seeking continuous market access and settlement efficiency in traditional asset classes.

Both filings illustrate complementary dynamics in the fund industry. Traditional managers are optimizing existing strategies through structural conversions to ETFs—a lower-risk path to cost reduction and competitive positioning. Meanwhile, digital-native firms are introducing tokenization as a distribution and operational enhancement to established fund structures, expanding addressable markets among crypto-native investors and institutions seeking non-traditional settlement mechanisms. The regulatory environment, evidenced by successful 1940-Act tokenized fund approvals, continues to facilitate this dual innovation trajectory.

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Sources

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Citywire Fund Files: AB looks to convert equity fund; WisdomTree files for tokenized ‘500’ ETF