REEx Insights – May 2026 Rankings Update

Highlights

• The ex-China rare earth supply chain remains narrow and undercapitalized, with strategic bottlenecks in separation, oxide production, metallization, and magnet manufacturing rather than upstream mining.
• Processing capacity is the critical chokepoint, with Lynas, MP Materials, Energy Fuels, and Neo Performance Materials leading limited Western oxide production capability, while magnet manufacturing remains 90% China-dependent.
• Heavy rare earths (dysprosium and terbium) are emerging as the strategic battleground, with extremely tight global supply outside China creating premium value for credible HREE producers and processors.

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Since our November 2025 ranking snapshot, the ex-China rare earth and magnet supply chain has moved forward — but not enough to change the core investment thesis. The market is still heavily focused on upstream mining projects. That is understandable. Mines are easier to understand, promote, and model. But the real strategic bottlenecks remain further upstream and downstream: rare-earth separation, oxide production, metallization, alloying, and high-performance magnet manufacturing.

This matters because the West does not just need more rare earth resources. It needs more qualified rare-earth oxides, more separated heavy rare-earth materials, greater magnet-metal and alloy capacity, and more commercial-scale magnet production outside China.

Our updated rankings show some encouraging movement. A few companies have progressed technically. Some have improved their production assumptions. A small number are moving toward construction, commissioning, or early production. But the broader picture is still clear: the credible ex-China supply chain remains narrow, fragile, and undercapitalized.

For investors, that creates both risk and opportunity. The risk is that many rare-earth companies still look far better in presentations than in practical supply-chain reality. The opportunity is that companies that can genuinely move from resource to oxide, or from oxide to magnet, should become increasingly strategic.

The main message from the ranking changes

The most important change since November is not that the top of the rankings has been completely reshuffled. It has not. The more important change is that the rankings have become more realistic about product form, execution stage, and commercial relevance.

Projects producing or targeting separated oxide should generally be valued differently from projects producing concentrate or carbonate. A project with a large resource but no clear pathway to a separate product should not be treated the same as a project with a smaller resource but a credible oxide, metal, or magnet pathway. That distinction is now becoming more visible across the REEx rankings.

For fund managers, this is the key point: the rare earth sector should not be analyzed as a simple mining sector. The value chain is more complex. Processing capability, product qualification, customer acceptance, and downstream integration matter as much as geology.

For retail investors, the simpler version is this: big deposits do not automatically become big businesses.

Processor rankings: still the most important chokepoint

Processing remains the most important market segment in the ex-China rare earth supply chain. There is still not enough investment in separation capacity, particularly for heavy rare earths. Governments have spent heavily on critical minerals policy, but too much attention remains upstream. The West does not just need more mines. It needs more plants that can turn feedstock into saleable rare earth oxides at a commercial scale.

Lynas Rare Earths (opens in a new tab) (ASX: LYC) remains the standout ex-China processor. It is still the benchmark because it has something most others do not: operating history, customer qualification, technical capability, and scale. Its growing heavy rare earth capability is strategically important, even if the ramp-up is still uneven quarter to quarter.

MP Materials (opens in a new tab) (NYSE: MP), America’s rare-earth treasure trove, has markedly boosted its revenue in its most recent quarterly report.  With access to substantial sums of capital, the pressure will build to execute on its 10X strategy, which requires access to and the ability to separate oxides (including heavies) at scale.  The company secured a $150 million loan from the Department of War, Office of Strategic Capital, to bolster heavy rare-earth separation. But a major question circulating in the industry is whether the company will be able to produce the upstream heavy rare-earth feedstock. Only time will tell.

Energy Fuels (opens in a new tab) (NYSE American: UUUU / TSX: EFR) has become more important in the midstream rankings due to its White Mesa rare-earth processing strategy. Its planned light rare-earth and heavy rare-earth separation capacity has increased, and it remains one of the few Western companies attempting to build meaningful oxide production capability. However, investors should still distinguish between installed or planned capacity and stable commercial output.

Neo Performance Materials (opens in a new tab) (TSX: NEO) also deserves attention. The commissioning of a small-scale heavy rare earth solvent extraction line in Estonia is a real milestone. It does not solve the Western heavy-rare-earth deficit, but it is one of the more credible signs of downstream progress in Europe.

Phoenix Tailings (opens in a new tab), another privately held midstream recycling and refining player, has raised nearly $120 million.

The processor segment, therefore, looks better than it did six months ago, but only marginally. There are still very few companies capable of shifting the market in the next three to five years.

Other firms involved in midstream activity include privately held ReElement Technologies (opens in a new tab) (modular chromatographic process), government-owned Saskatchewan Research Council (opens in a new tab) (SRC), ReAlloys (opens in a new tab) (Nasdaq: ALOY), which licenses SRC technology and is trying to integrate with metallization, plus a handful of others in Australia and Europe. Privately held Carester (opens in a new tab) based in southern France (ex-Solvay separation experts) gains market momentum building a rare earth separation and refining plant in Lacq, France.

The investment implication is clear: credible processing capacity should attract a premium. The market may continue to overvalue resource size and undervalue chemical processing capability, but that gap should narrow as OEMs and governments become more realistic about where the supply-chain risk actually sits.

Magnet rankings: very little has changed, and that is the point

The magnet rankings show limited movement. That is itself an important finding. Most of the world’s high-performance rare earth magnet capacity (about 90%) remains in China. Outside China, the sector is still thin, fragmented, and difficult for public-market investors to access. Many of the serious magnet businesses are private, government-linked, or embedded inside larger industrial groups.

The majority of rare-earth magnet production outside Japan remains in Japan (e.g., Proterial (opens in a new tab) et al.) and South Korea, followed by Europe and then the United States.

An interesting new entrant is Evolution Metals & Technologies (opens in a new tab) (NASDAQ: EMAT). EM&T brings operating magnet capability in South Korea through an acquisition and a stated plan to aggressively expand in the United States.  That makes it an important company to watch, particularly because genuine listed exposure to ex-China magnet production remains scarce.

MP Materials (NYSE: MP) and Neo Performance Materials (TSX: NEO) remain two of the most important names in the magnet rankings. Both are moving from development and qualification toward ramp-up. MP Materials is particularly important because of its US mine-to-magnet strategy, its Texas magnetics facility, and its strategic relationship with General Motors. MP has one facility (Independence) at Fort Worth and has broken ground on the 10X facility in Northlake. Scheduled commissioning for the latter: 2019.  Neo Performance Materials is important because it gives Europe a credible pathway into permanent magnet manufacturing. 

Privately held Vacuumschmelze (opens in a new tab) has built a South Carolina facility and now ramps up (and is quite capable of producing high quality sintered rare earth magnets). What about Noveon Magnetics (opens in a new tab) and other American players such as Permag (opens in a new tab), Arnold Magnetics Technologies (opens in a new tab), and Bunting Magnetics? All are privately held and well-positioned to capitalize on growing demand. Each brings a different focus, capability, and wherewithal to compete in the rare-earth-focused magnet space.

HyProMag USA (opens in a new tab) (Private) has also increased its ambitions, particularly around recycled magnet feedstock and US magnet/alloy production. This is strategically relevant, although recycling should be seen as a supplementary supply source rather than a complete replacement for primary mine-to-magnet capacity.

The negative change in the magnet sector is GKN Powder Metallurgy (opens in a new tab) (Private). The cancellation of its European magnet factory plan before the Dauch Corporation (Private) acquisition is a reminder that announced magnet capacity is not the same as bankable, funded, executable capacity.

The conclusion is simple: the magnet sector remains the least mature investable part of the ex-China rare earth chain, given so many of the assets are privately held.

For investors, that creates a scarcity premium. Any company that can prove commercial-scale, high-performance NdFeB magnet production outside China should be strategically valuable. But investors need to be careful. Producing a magnet sample is different from producing qualified automotive, defense, or industrial magnets at scale.

HREE rankings: heavy rare earths are becoming the strategic battleground

The heavy rare earth rankings are where some of the most strategically important changes are occurring. Western OEMs and magnet producers are increasingly recognizing that NdPr is only part of the problem. For high-performance magnets, especially in demanding temperature environments, dysprosium and terbium remain critical. China’s dominance in heavy rare earth separation gives it significant leverage over downstream magnet supply.

Lynas Rare Earths (ASX: LYC) is now the most important ex-China heavy rare earth producer. Its Dy/Tb production is still ramping and should not be over-annualized from a single strong quarter, but it has demonstrated capability. That matters. In the heavy rare earth market, proven capability is rare.

 

Arafura Rare Earths (opens in a new tab) (ASX: ARU) is also becoming increasingly strategically interesting due to its potential heavy rare-earth optionality at Nolans. The company has indicated that its heavy rare earth recoveries may improve as it advances its processing work. We have not yet seen enough definitive data to fully re-rate the project on HREE output, but it is an area to watch closely. If Arafura Rare Earths can meaningfully improve Dy/Tb recovery, Nolans becomes more important to OEMs than a simple NdPr project.

Harena Rare Earths (opens in a new tab) (LSE: HREE) is a notable newcomer to the HREE rankings. Its Ampasindava project (opens in a new tab) in Madagascar moved into the rankings after the release of its PFS. The project is still early relative to operating producers, but it has enough scale and HREE exposure to matter.

BrazilianRare Earths (opens in a new tab) (ASX: BRE) also improved its HREE profile, particularly through updated Monte Alto mineralization data. However, this should still be treated carefully. The latest figures appear to reflect reported mineralization averages rather than a new HREE-specific JORC mineral resource update.

Northern Minerals (opens in a new tab) (ASX: NTU) also remains important. Its Browns Range project (opens in a new tab) is one of the best-known ex-China HREE development assets, and recent Dazzler results suggest potential upside. However, the ranking should not move materially until Northern Minerals provides enough data to update the resource, production, or recovery assumptions.

Rare Earth Exchanges™ suggests significant strategic growth potential for Southern Alliance Mining Ltd., (opens in a new tab) (QNS.SI), particularly as global supply chains seek non-China upstream diversification. To date, however, essentially all of the company’s output has flowed into China’s industrial ecosystem—a reminder that mining alone does not equal supply-chain independence. Still, that dynamic could evolve as geopolitical pressures and ex-China processing capacity gradually expand.

There are several projects in the pipeline that need more advancement, including Aclara Resources (opens in a new tab) (OTC: ARAAF) and privately held ones such as the Pea Ridge asset (Caldera Holdings (opens in a new tab)) right in the heartland of America. This latter asset remains private and in discussions for financing.

The broader message is that HREE supply is still extremely tight. Outside China, there are very few credible future sources of separated Dy and Tb. This is why OEMs and magnet producers are increasingly trying to secure HREEs as part of broader offtake discussions.

For investors, HREE exposure should be treated differently from generic rare earth exposure. A company with credible Dy/Tb production potential may deserve strategic attention even if its overall production volumes are modest.

LREE rankings: the market is becoming more selective

The light rare earth rankings remain led by Lynas Rare Earths and MP Materials. That has not changed. Both remain central to any realistic ex-China NdPr supply chain.

Lynas Rare Earths (ASX: LYC) continues to dominate ex-China LREE production, and its revised Japanese supply arrangements show the strategic value of existing, qualified supply. Japan has moved early and secured long-term access. That is exactly what other OEMs and governments should be studying.

MP Materials (NYSE: MP) remains strategically important because it is not just a miner. Its integrated US strategy gives it a different profile from most rare earth developers. REEx can align with an actual security premium linked to this company, given the extensive U.S. government involvement, including an equity position. It has upstream production, separation ambitions, and downstream magnet capacity. That integrated model is one of the few serious attempts to recreate a China-like rare earth supply chain outside China.

Arafura Rare Earths (ASX: ARU) remains one of the most important development-stage LREE companies. If Nolans moves into construction and then production, it will become one of the most significant new ex-China NdPr oxide sources. Its ranking should improve materially if financing, offtake, and construction milestones are achieved.

Some of the most important changes in the LREE rankings are actual adjustments downward. Pensana Rare Earths (opens in a new tab) (LSE: PRE), Lindian Resources (opens in a new tab) (ASX: LIN), and Commerce Resources (opens in a new tab) (TSXV: CCE) have all moved down in the rankings. This does not necessarily mean the geology has deteriorated. Rather, the rankings are now applying a more realistic lens to product form and execution. Projects that produce carbonate or concentrate, rather than separated oxide, should not receive the same strategic credit as oxide producers.

ACDC Metals (opens in a new tab) (ASX: ADC) and Altona Rare Earths (opens in a new tab) (LSE: REE) have also improved, but both remain early-stage. They are promising, but still a long way from meaningful commercial supply.

Mkango Resources (opens in a new tab) (AIM/TSXV: MKA) released an updated DFS for Songwe Hill in March 2026. That keeps the project relevant, although the ranking still reflects the need to assess product form, financing pathway, and execution risk.

Serra Verde (opens in a new tab) (Private) remains one of the most important current producers, but the proposed acquisition by USA Rare Earth (opens in a new tab) (NASDAQ: USAR) should be approached with caution until the transaction closes. For now, it is cleaner to keep Serra Verde and USA Rare Earth separate in the rankings. If the transaction completes, USA Rare Earth’s position will need to be reassessed.

The LREE conclusion is that the market is becoming more disciplined. It is no longer enough to have a large resource and an attractive presentation. Investors should ask: What is the actual product? Who will buy it? Is it qualified? Is there financing? Is there a credible processing pathway? And how much of the production is genuinely ex-China?

What this means for investors

For retail investors, the biggest risk is confusing rare-earth exposure with rare-earth supply-chain relevance. Many of the listed rare earth companies have attractive deposits. Far fewer have a realistic path to production. Fewer still have a realistic path to separated oxide. And only a very small number have credible downstream integration into metals, alloys, or magnets.

For fund managers, the more important question is not “who has the biggest resource?” It is “who controls the bottleneck?”

At the moment, the bottlenecks are clear:

• Processing to oxide remains underbuilt.
• Heavy rare earth separation remains highly exposed to China (about 98% control)
• Magnet production outside China remains minimal and difficult to scale.
• Customer qualification remains a major barrier with rare earth-based oxides, metals, and magnets
• Financing remains the difference between credible projects and stranded optionality.

This means the market may need to re-rate the sector away from simple resource size and toward execution quality, product form, and strategic relevance. The companies that matter most over the next three to five years are unlikely to be the loudest promoters. They will be the companies quietly moving toward qualified product, bankable offtake, funded construction, and commercial output.

What this means for OEMs and magnet producers

For OEMs, motor manufacturers, and magnet producers, the message is even more direct: waiting is a supply-chain risk. The credible ex-China supply pool is still narrow. Japan has already moved to secure a long-term Lynas Rare Earths supply. A potential triangle of future success emerges with France (Carester), Japan’s government, and Malaysia.  The US has moved to support MP Materials as well as US Rare Earth and magnet upstarts such as Vulcan Elements. Other buyers may find that by the time they decide to act, the best available volumes have already been contracted.

Ex-China pricing may look expensive compared with current China-linked pricing. Price floors, strategic offtake arrangements, and non-China premiums may look uncomfortable in the short term. But the alternative is continued dependence on a supply chain where China controls the most important processing and magnet-making steps.

That is not a procurement issue. It is a strategic risk. The next phase of the rare earth market will not be won simply by finding more deposits. Rather, victory comes by converting resources into qualified oxides, oxides into metals and alloys, and metals and alloys into qualified magnets at scale.

That is where the West remains precariously exposed. And that is where REEx Insights will continue to focus.  For access to the REEx Insights rankings, which are adjusted at least quarterly, subscribe.