BondsMediumUpdated×4•Originally published 15 April 2026•Updated 17 April 2026•
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Active ETF Assets Surge as TBUX and Tema ETFs Hit Key Milestones

Key Facts

1The T. Rowe Price Ultra Short-Term Bond ETF (TBUX) assets surpassed $1.1 billion.
2More than $300 million flowed into the ETF during the first three months of 2026.

The active ETF industry is witnessing a significant shift, highlighted by TBUX surpassing $1.1 billion in assets and Tema ETFs reaching a major $2 billion milestone. Tema ETFs managed to double its assets under management (AUM) from $1 billion to $2 billion in less than eight months, achieving this feat in under three years since inception. This rapid expansion is primarily driven by institutional adoption, which accounts for more than 90% of Tema's total AUM. This momentum coincides with record-breaking industry inflows of $460 billion in Q1 2026, a 50% year-over-year increase. Investors are increasingly pivoting toward active strategies to navigate geopolitical tensions and the long-term impact of the 2025 U.S. debt downgrade. The combined success of TBUX and Tema ETFs underscores a growing reliance on flexible, institutional-grade instruments for liquidity and risk mitigation in a volatile macroeconomic environment.