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Fund Files: SEI converts $1bn high-yield fund; Trump media biz pulls bitcoin ETF application

Reported by Citywire
May 20, 2026· 2 min read
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Key Takeaways
  • • SEI completed conversion of its $1 billion SEI Institutional Managed Trust High Yield Bond Fund (SIYYX) into an ETF, representing a significant shift in fund structure for a substantial institutional asset base.
  • • Trump Media & Technology Group withdrew its bitcoin ETF application, abandoning plans for a crypto-focused yield product that would have allocated 70% to bitcoin, 15% to ethereum, and 8% to solana.
  • • The broader crypto ETF landscape remains active, with BlackRock's IBIT approaching $100 billion in assets under management and becoming the firm's most profitable fund, while Bitcoin ETFs experienced net outflows of $254.6 million on a recent trading day despite broader institutional interest.
  • • Multiple fund managers are pursuing ETF conversions (SEI, AllianceBernstein), reflecting industry-wide structural shifts toward exchange-traded products and away from traditional mutual fund formats.
Summary
SEI has successfully completed the conversion of its $1 billion SEI Institutional Managed Trust High Yield Bond Fund (SIYYX) into an exchange-traded fund structure. The conversion represents a strategic repositioning within the institutional fixed-income space, where managers are increasingly moving subadvised and actively managed products into ETF wrappers to capture evolving investor demand and reduce operational complexity.

In parallel cryptocurrency developments, Trump Media & Technology Group pulled its pending bitcoin ETF application, terminating efforts to launch what would have been a cryptocurrency-focused yield product. The proposed fund structure allocated 70% of holdings to bitcoin, 15% to ethereum, and 8% to solana, positioning it as a diversified crypto exposure vehicle. The withdrawal signals strategic recalibration within Trump Media's crypto initiatives, though the company has indicated continued intent to acquire bitcoin directly through its treasury operations.

The crypto ETF market demonstrates significant institutional traction despite recent volatility. BlackRock's iShares Bitcoin Trust (IBIT), launched approximately 21 months prior to May 2026, has accumulated nearly $100 billion in assets under management and become BlackRock's single most profitable fund. However, the market shows mixed flows: Bitcoin ETFs recorded net outflows of $254.6 million on a recent trading day, with bitcoin prices trading approximately 35% below their October 2025 record high of $126,000. US spot bitcoin ETFs recorded $2.44 billion in positive flows during April 2026, reflecting continued institutional participation despite price pressures.

The fund conversion trend extends beyond SEI and crypto products. AllianceBernstein is converting its $766 million AB Equity Income Fund (AUIIX) into an ETF structure, underscoring an industry-wide migration toward transparent, exchange-traded vehicles. These structural transitions reflect institutional preferences for intraday liquidity, lower fees, and tax efficiency inherent to ETF architectures compared to traditional mutual fund formats.

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Sources

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Citywire Fund Files: SEI converts $1bn high-yield fund; Trump media biz pulls bitcoin ETF application