Rare Earths: An Investor’s Field Guide

Archive edition · Market data and company circumstances reflect 25 October 2025, when this newsletter was sent.

What Are Rare Earth Elements?

The term “rare earth elements” (REEs) refers to a group of 17 metallic elements that are central to modern technologies. These include the 15 lanthanides (elements with atomic numbers 57 through 71) plus the elements scandium (Sc) and yttrium (Y).

Despite the name, these elements are not rare in the Earth’s crust. What makes them rare is that they tend to occur in very low concentrations and are usually found mixed together in minerals which requires complex processing to extract fully.

Why do they matter? REEs possess special magnetic, luminescent and catalytic properties. That means they are essential for high-performance permanent magnets in electric vehicles (EVs) and wind turbines, for catalytic converters, for advanced electronics and defence equipment.

The Elements at a Glance

While all 17 matter, some are especially prominent in investment / industrial stories:

Grouping by light vs heavy REEs: Light rare earths (LREEs) are generally more abundant and less costly to produce; heavy rare earths (HREEs) are scarcer, more difficult to separate, and tend to command higher premiums.

• Neodymium (Nd) and Praseodymium (Pr): Widely used in NdFeB permanent magnets, the workhorses for EV motors and wind-turbine generators.
• Dysprosium (Dy) and Terbium (Tb): These heavy rare earths are added to magnets to improve high-temperature performance (critical for aerospace, defence or high-end EV motors).
• Lanthanum (La), Cerium (Ce): More abundant light REEs, used in catalysts, glass, and polishing agents.

From Mine to Markets

Below are the key stages that turn raw rare earth ores into high-tech materials powering modern industries.

Understanding which companies sit at which stage (mining, separation, magnet manufacturing) helps assess risk/reward — upstream miners may benefit most from higher raw-material prices, while mid/downstream may benefit from supply bottlenecks and value-added margins.

• Mining / Extraction: Finding ore bodies (for example, bastnäsite, monazite, ionic-adsorption clays) that contain REEs. These ores are mined, then processed.
• Separation and Refining (Midstream): The raw material must be separated into individual rare-earth oxides, then metals or alloys. This is a technically challenging step and a major bottleneck globally.
• Downstream Manufacturing: The separated metals/alloys are made into permanent magnet powders, finished magnets, and then incorporated into motors, turbines, electronics, defence systems.
• End Use & Recycling: Some recycling of magnets and devices is underway, but still limited; future supply from recycling is a potential upside.

The Global Supply Landscape

China continues to dominate the rare earth industry, not only in mining but especially in the critical stages of separation and refining. A large portion of processed rare earth materials used in Western markets still originates from Chinese facilities. This concentration of processing capacity has made rare earth elements a matter of strategic importance for many governments.

In response, new mining and processing projects are emerging across Australia, North America, and Europe. However, these efforts face long development timelines, strict permitting requirements, and significant cost hurdles.

From an investment perspective, building a mine is only the beginning; without domestic separation plants and downstream magnet manufacturing, true supply independence remains out of reach. The full value chain, from extraction to end-use production, must evolve together to ensure a stable and secure global supply of rare earths.

Why Investors Should Pay Attention

Here are a few key drivers that make rare earths a compelling space for investors:

1.4.1 Technology & Clean-Energy Transition

The push to electrify transport and expand renewable energy (wind, solar) is increasing demand for magnets and materials that contain REEs. For example, each large wind turbine uses hundreds of kilograms of neodymium (Nd) and other REEs.

1.4.2 Emerging Supply Chains

Many countries are now attempting to build upstream mining, midstream separation and downstream magnet manufacturing to reduce dependency. This opens investment opportunities.

1.4.3 Cyclical & Structural Interplay

While long-term demand is structural (technology, clean energy, defence), near-term pricing can be influenced by mining bottlenecks and export controls.

Global Rare Earth Stocks Worth Watching

Here is a selection of listed companies with meaningful exposure to rare earths, grouped by their role in the value chain, country and exchange.

Upstream / Mining

• MP Materials (MP) – Runs the Mountain Pass mine in California and is building magnet capacity in the U.S.
• Lynas Rare Earths (LYC) – Owns Mt Weld mine and operates separation in Malaysia, commissioning a plant in Kalgoorlie, Australia.
• Pensana (PRE) – Longonjo project in Angola and processing plans in the UK.
• China Northern Rare Earth Group High‑Tech (600111.SS) – Major Chinese REE producer.

Midstream / Separation & Materials

• Solvay (SOLB) – Expanding rare earth separation at La Rochelle (France).
• Neo Performance Materials (NEO.TO) – Produces magnet powders, alloys and is building a new European magnet facility.
• Energy Fuels (UUUU) – Operates White Mesa Mill and is qualifying NdPr production in the U.S.
• Ucore Rare Metals (OTC UURAF) – Developing separation facility in Louisiana with heavy rare earth focus.

Downstream / Magnets & Manufacturing

• USA Rare Earth (USARE) – Pursuing a fully integrated “mine-to-magnet” model in the U.S., including rare-earth metal and magnet manufacturing capability. Aims to establish domestic production independent of Chinese supply.
• Shin-Etsu Chemical Co. Ltd. (4063.T) – One of the world’s leading producers of advanced materials, including rare-earth magnets and alloys for high-efficiency motors and electronics.

Note for Investors:

• Upstream companies often carry higher risk (capex, permitting, mining execution) but can provide higher levered upside if raw-material prices surge.
• Midstream / separation companies may benefit from structural barriers to entry (licensing, environment, processing complexity).
• Jurisdiction matters: Projects in countries with stable regimes, good infrastructure and local offtakes are less risky than ones in remote or complex jurisdictions.
• Vertical integration matters: A mining company that also controls separation and downstream may capture more value, but also carries more operational complexity and risk.

Positioning Rare Earths in Your Portfolio

Investing in rare earths isn’t just about betting on one commodity cycle. It’s about understanding where value is created across the supply chain and how policy, geography, and technology shape long-term returns.

Here’s what you can consider doing to build balanced exposure while managing both opportunity and risk:

- Commissioning of new separation/refinery plants

- Government policy (grants, loans, critical-minerals status)

- Supply-disruption risk (export controls, mine closures)

- Demand trends (EV adoption, wind installations, defence spending)

• Diversify across stages: Don’t put all exposure into mining; a mix of mining and separation / magnets gives a balanced risk/return profile.
• Jurisdiction spread: Consider companies in the U.S., Australia, Canada, Europe — to diversify geopolitical/regulatory risk away from a China-centric supply chain.
• Watch catalysts:
• Beware of substitution and recycling risk: While demand is strong, technologies to reduce REE content or improve recycling could impact long-term pricing.

Archive note

This article preserves the analysis in our weekly newsletter sent 25 October 2025. Market prices, forecasts and company circumstances reflect the time of publication and may have changed.

This material is general information, not personal financial advice or a recommendation to trade. Investing and trading involve risk, including loss of capital.