A growing wave of investors chasing exposure to SpaceX is setting a fresh trend in the ETF market, with niche space-focused funds suddenly drawing massive inflows as traders hunt for ways to tap into one of the world's most valuable private companies.

The frenzy has pushed several relatively small ETFs into the top tier of weekly fund flows, echoing the kind of momentum-driven investor behavior previously seen around AI-linked trades tied to Nvidia Corp.

Tema ETFs CEO and founder Maurits Pot, in a recent interview with Benzinga, summed up the trend by saying, "We felt a space ETF without SpaceX was like a semiconductor ETF without Nvidia," underscoring how difficult it has become for investors to view meaningful space-industry exposure without including Elon Musk's aerospace giant, much like removing NVDA from a chip-sector portfolio.

According to Bloomberg Intelligence ETF analyst Eric Balchunas, ETFs with direct or indirect SpaceX exposure, including Tema Space Innovators ETF (NYSE:NASA), Baron First Principles ETF (NYSE:RONB), and ERShares Private-Public Crossover ETF (NASDAQ:XOVR), all ranked among the top 1% of ETF inflows over the past week.

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