The Rare Earth Sector’s Problem Is Not Where the Money Is Going

Corporate Commentary · 2026-09-11

Capital is flowing to mines and capacity announcements - but the constraint on supply in the rare earth magnet market actually is the manufacturing step in the middle

Most of the money and most of the headlines in rare earths go to the extraction end of the supply chain: new deposits, new mines, offtake floors for concentrate. That is understandable, because a mine is visible and a grant is quotable, but that reference frame actually points investors at the wrong constraint.

Rare earths are found on every continent and are not, in any practical sense, rare. What actually is scarce is the ability to turn them into a finished magnet on a cost-effective and certified basis that can satisfy the largest companies on the planet. That ability sits in the middle of the supply chain - not the ore end, but in separation, refining, alloying and magnet-making.

The importance of this chokepoint and the intensity of the constraint actually increases as you move up the supply chain. The International Energy Agency's 2026 analysis puts China's share of mined magnet rare earths at about 60 percent in 2024, its share of refined output at 91 percent and its share of finished magnets at 94 percent, up from about half in 2005.

A country can open a mine without touching that position, and it cannot make a magnet without a midstream. Building one is slow because the chemistry is hard, the process knowledge is concentrated in a workforce China embargoed from leaving in October 2025, and every new line has to be qualified by its customers before it can sell a part.

That is why announced Western capacity and delivered Western magnets are such different numbers. EM&T's own filings estimate that all announced non-China magnet capacity, roughly 30,000 tonnes a year, would cover about 15 percent of projected demand outside China, and most of it is not yet built or qualified. The gap the market should be pricing is not ore in the ground but certified manufacturing that exists today, which is the business EM&T is in and the reason it has said plainly that it does not intend to mine.

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