ETF Flows Top $500 Billion in First Quarter of 2026

Exchange-traded fund flows surpassed $500 billion in the first three and a half months of 2026 as the industry continues its rapid expansion with more than 300 new launches and record trading volumes.

Key Takeaways:

  • ETF flows exceeded $500 billion in the first three and a half months of 2026. This includes more than 300 new fund launches.
  • ETFs represented 40% of total market trading volume in March 2026, up from a 30% average in 2025.
  • Semiconductors now account for 16% of the S&P 500, rising from zero percent in 2003.

Todd Sohn, chief ETF strategist at Strategas, joined Nate Geraci on ETF Prime to share the figures. ETFs accounted for 40% of total market trading volume in March 2026. This went up from an average of 30% of the market flows in 2025, according to Sohn.

See more: ETF Prime: Davis Touts Active Management Amid Market Paradox

The surge in activity has produced both breakout hits and a growing population of struggling funds, according to Sohn. The Roundhill Memory ETF (DRAM) emerged as a surprise with nearly $700 million in assets just two weeks after launch.

Semiconductors now represent 16% of the S&P 500, up from zero percent in 2003, Sohn said on the podcast. The shift reflects how chip makers have become central to technology infrastructure and artificial intelligence (AI) development.

The thematic ETF landscape shows signs of overcrowding in some categories. Six space-related ETFs launched recently, including the Roundhill Space & Technology ETF (MARS), the Tema Space Innovators ETF (NASA), and the Procure Space ETF (UFO), according to Sohn. He expressed skepticism that the market can support that many niche players in the space economy sector.