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Sprott's REXC ETF Puts Ex-China Rare Earths Into Focus
Sprott's Rare Earths Ex-China ETF shows public-market demand for non-China rare earth exposure, while the harder bottlenecks remain in specific heavy rare earths.
Sprott Asset Management announced the launch of the Sprott Rare Earths Ex-China ETF (Nasdaq: REXC), giving public-market investors a dedicated way to buy rare earth supply-chain exposure outside China.
The signal matters more than the product itself. For years, rare earths sat in a strange gap: discussed constantly in policy circles, but hard for generalist investors to express cleanly. Sprott's ETF puts that trade into a familiar wrapper.
According to Sprott, REXC seeks to track the Nasdaq Sprott Rare Earths Ex-China Index and invests at least 80% of assets in index securities. The index is built around companies involved in mining, separation, refining, and production of rare earth elements, while excluding companies domiciled in or primarily operating in China.
By May 22, 2026, Sprott's product page listed 34 holdings and $45.11 million in total net assets. That is still early. But it confirms something operators have been watching for a while: "ex-China rare earths" is becoming a capital-markets category.
That does not mean the market has solved the bottleneck.
Rare earths are not one market. A basket of public equities can capture exposure to the theme, but customers do not buy themes. They qualify materials: oxide, metal, alloy, powder, magnet, coating, phosphor, ceramic, or another product that meets a real specification.
That distinction matters most in the heavy rare earths. Dysprosium, terbium, and yttrium do not trade like a generic rare earth basket. They sit closer to the narrow failure points in magnets, high-temperature materials, lasers, ceramics, optical systems, and other industrial uses.
A small shortage can create a large problem because substitution is often technical, not just financial.
For American Terbium, the takeaway is practical. Capital is moving toward the same question operators are working through on the ground: where can non-China supply actually be discovered, processed, separated, qualified, and delivered?
REXC is not the answer to that question. It is evidence that the question is now large enough for public markets to package.
This note is market commentary only. American Terbium is not affiliated with Sprott or REXC.
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