U.S. ETFs Top $1T Inflows; Leveraged SpaceX ETF Logs $4B Week

U.S. exchange-traded funds received more than $1 trillion in inflows by mid-2026, bringing total U.S. ETF assets to about $15.5 trillion. Daily inflows ran near $8 billion to $9 billion through June. Leverage Shares’ 2X Long SpaceX Daily ETF (SPCH) recorded more than $4 billion in trading volume across its first four days, and the Roundhill Memory ETF (DRAM) amassed roughly $25 billion in assets in about three months after launch.

The figures and product details were presented in a midyear review by VettaFi senior industry analyst Kirsten Chang and Paul Marino of Themes ETFs, who outlined flows, product trends and advisor survey results.

Active strategies represented 80% of new ETF launches in the first half of 2026. Active ETFs extended a run of 74 consecutive months of net inflows. Fixed-income ETFs saw inflows about 60% higher than the prior year’s record pace, with nearly 40% of fixed-income flows going to active managers.

A VettaFi advisor poll showed about 30% of respondents planned to increase equity allocations while reducing fixed income. About one in five advisors planned to add alternatives, commodities or real assets beyond a traditional 60/40 split. On thematic exposure, 76% of surveyed advisors favored artificial intelligence and 61% favored robotics. Small- and mid-cap equities were the most cited planned equity additions at 39%.

Roundhill’s DRAM ETF, which focuses on memory and semiconductor components, raised roughly $25 billion in approximately three months after launch, marking the fastest ETF debut by assets raised.

Leverage Shares’ SpaceX-linked ETFs drew heavy early trading. SPCH posted more than $4 billion in first-week volume across four sessions. Paul Marino, chief revenue officer at Themes ETFs, cautioned that the Leverage Shares products reset daily and are built for trading strategies rather than long-term ownership. “These products reset every day, so they are trading vehicles and not buy-and-hold instruments,” he said. “In choppy markets, that daily reset can erode returns over time. Investors should size positions carefully, know exit points and consider stop-losses before trading.” Marino noted the 2X short ETF (SSPC) uses the same daily-reset mechanics and is aimed at traders expressing a bearish view.

The midyear review highlighted continued demand for active management within ETFs, ongoing flows into fixed-income ETFs and advisor interest in thematic and smaller-cap equity exposures.