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BlackRock Files New Tokenized Fund Structure With SEC

BlackRock’s SEC filing outlines a blockchain-based fund model using Securitize infrastructure after BUIDL reached about $2.3 billion, combining onchain ownership records with regulated transfer-agent and investor access functions.

BUIDL

Fact Check
All core elements of the claim are strongly supported by multiple independent sources. The CoinDesk article (May 9, 2026) directly links to the SEC EDGAR filing (May 8, 2026) confirming BlackRock filed a new tokenized fund structure using Securitize Transfer Agent LLC for onchain ownership records combined with regulated transfer-agent and investor access functions. The Odaily newsflash and CryptoTimes independently corroborate the filing. The BUIDL ~$2.3B figure is cited consistently across Binance Square, Bitget, BingX, and CryptoTimes; the CoinDesk article cites ~$2.5B, a minor discrepancy likely reflecting a slightly later AUM snapshot rather than a contradiction. The SEC EDGAR filing URL is directly cited by CoinDesk, providing the highest-authority confirmation available. No conflicting evidence was found.
Summary

BlackRock filed a new tokenized fund structure with the U.S. Securities and Exchange Commission and again selected Securitize as the infrastructure provider. The filing follows the growth of BlackRock’s BUIDL fund to about $2.3 billion and outlines a model that combines blockchain-based ownership records with a regulated transfer agent and investor access system. According to the source, Securitize Transfer Agent will maintain the fund’s official share records across multiple public blockchains. The report also states that BUIDL was launched in 2024.

Terms & Concepts
  • Tokenized fund: An investment fund structure that uses blockchain technology to represent or manage ownership interests and related recordkeeping.
  • BUIDL: BlackRock’s tokenized fund product, described in the report as having grown to about $2.3 billion after its 2024 launch.
  • Transfer agent: A regulated entity responsible for maintaining official ownership records and supporting administrative functions for fund shares.