The pieces are now in place to fundamentally strengthen and diversify the supply chain.
In an era when the origins of a magnet have become a matter of national security, MP Materials has extended its rare earth ambitions beyond American soil, forging a joint venture with Saudi Arabia's Maaden and the U.S. Department of War to build a refinery that will process the elemental building blocks of modern defense and technology. The arrangement reflects a quiet but consequential truth: that securing critical mineral supply chains now requires the same strategic architecture once reserved for military alliances. By anchoring this effort within the allied sphere and away from Chinese dependency, the partnership represents not merely a business deal, but a deliberate act of industrial sovereignty.
- Decades of reliance on Chinese rare earth processing have left American defense and manufacturing exposed, and the urgency to build alternative supply chains has reached the level of government-backed intervention.
- MP Materials, the sole fully integrated rare earth supplier in the U.S., is now extending its reach internationally, partnering with Saudi Arabia and the Pentagon to construct a large-scale refinery in the Kingdom.
- The deal's structure places financial risk squarely on the U.S. government, which funds the American stake on a non-recourse basis, while MP contributes technical expertise and Maaden holds a controlling 51 percent share.
- Domestically, MP is simultaneously deploying over a billion dollars to expand separation and magnet manufacturing, backed by a $1.55 billion DoD package guaranteeing minimum pricing — effectively insulating the company's economics from market volatility.
- Wall Street has taken notice, with Goldman Sachs projecting MP could supply more than half of domestic NdPR oxides by 2030 and generate roughly a billion dollars in earnings, as the stock climbs 307 percent year to date.
MP Materials, the only fully integrated rare earth supplier in the United States, has announced a joint venture with Saudi Arabia's state mining company Maaden and the U.S. Department of War to build a large-scale rare earth refinery in the Kingdom. The move is the latest step in a broader effort to construct critical mineral supply chains that operate outside China's historically dominant networks.
Rare earth elements — the 17 metals essential to military radar, smartphone magnets, and much of modern technology — have long represented a strategic vulnerability for the United States. MP Materials has been working to close that gap through its Mountain Pass operation in California, the country's only major rare earth mine, and through growing investments in domestic separation and magnet manufacturing. The Saudi venture extends that logic internationally while keeping the supply chain within allied hands.
Under the deal's structure, Maaden holds a controlling 51 percent stake while MP and the Department of War collectively hold 49 percent. The Pentagon will finance the entire U.S. contribution on a non-recourse basis, bearing the financial risk while MP provides technical expertise. The refinery will process feedstock from Saudi Arabia and other international sources, producing rare earth oxides for U.S., Saudi, and allied defense and manufacturing sectors. Saudi Arabia's cheap energy and industrial ambitions make it a natural fit for the operation.
The partnership complements significant domestic momentum. MP is investing more than a billion dollars to expand heavy rare earth separation at Mountain Pass and build a second U.S. magnet facility, supported by a separate $1.55 billion Department of Defense funding package that guarantees minimum pricing — a structural arrangement that de-risks the company's long-term economics.
Goldman Sachs initiated coverage with a Buy rating and a $77 price target, projecting MP could supply over half of domestic neodymium-praseodymium oxides by 2030 and generate roughly a billion dollars in earnings. With rare earth demand expected to surge alongside the global nuclear energy revival, and with MP's stock up 307 percent year to date, what was once a niche supply chain question has become one of the defining industrial and security challenges of the era.
MP Materials, the only fully integrated rare earth supplier operating in the United States, has announced a partnership that signals a fundamental shift in how America secures one of its most strategically vital supply chains. The company has formed a joint venture with Saudi Arabia's state mining company, Maaden, and the U.S. Department of War to construct a large-scale rare earth refinery in the Kingdom. The move represents the latest chapter in a broader U.S.-Saudi framework aimed at securing critical minerals outside of China's historically dominant supply networks.
Rare earth elements—the 17 metals essential to everything from military radar systems to smartphone magnets—have long been a vulnerability in American defense and manufacturing. For decades, the world relied on Chinese processing and refinement, a dependency that became impossible to ignore as geopolitical tensions mounted. MP Materials has been working to change that equation. The company already operates Mountain Pass in California, the only major rare earth mining operation in the country, and has been investing heavily in domestic separation and magnet manufacturing. Now, with this Saudi venture, it is extending that ambition internationally while keeping the supply chain firmly within the allied sphere.
The structure of the deal reflects the strategic importance both governments place on the project. Maaden will hold a controlling 51 percent stake, while MP Materials and the Department of War will collectively hold 49 percent. The Pentagon will finance the entire U.S. contribution on a non-recourse basis—meaning the government bears the financial risk—while MP contributes its technical expertise and sourcing capabilities. The refinery will process feedstock from Saudi Arabia and other international sources, producing separated rare earth oxides destined for U.S., Saudi, and allied defense and manufacturing sectors. Saudi Arabia's abundant and cheap energy, combined with its existing industrial infrastructure and ambitions to become a global commodity hub, make it an ideal location for the operation.
This partnership builds on momentum MP Materials has already established domestically. The company is deploying more than a billion dollars to expand heavy rare earth separation at Mountain Pass and construct a second magnet manufacturing facility in the United States. Beyond that, it holds a separate $1.55 billion funding package from the Department of Defense that guarantees minimum pricing for its products—a structural arrangement that essentially de-risks the company's long-term economics by ensuring a stable customer and predictable revenue floor.
Wall Street has responded with enthusiasm. Goldman Sachs initiated coverage of MP Materials with a Buy rating and a $77 price target, calling it the only fully vertically integrated rare earth company in America. The bank's analysis suggests the company could supply more than half of the domestic neodymium-praseodymium oxides—the most commercially important rare earth compounds—by 2030. Goldman projects the company could generate roughly a billion dollars in earnings by that same year. MP Materials founder and CEO James Litinsky framed the Saudi venture as a validation of the company's technical capabilities and strategic vision. By combining MP's expertise with the Pentagon's resources and Maaden's scale, he said, the pieces are now in place to fundamentally strengthen and diversify the rare earth supply chain.
The timing matters. As nuclear energy experiences a revival globally, demand for rare earth elements is expected to surge. The geopolitical logic is equally clear: the United States and its allies need supply chains they control, not ones dependent on Beijing's goodwill. MP Materials' stock reflected the market's confidence, trading up 307 percent year to date and climbing further on the Saudi announcement. What was once a niche concern—where rare earth magnets came from—has become a central question of national security and industrial resilience.
Notable Quotes
By combining MP's technical expertise with the strategic vision of the U.S. Department of War and Maaden's capabilities and scale, the pieces are in place to fundamentally strengthen and diversify the supply chain.— James Litinsky, MP Materials founder and CEO
The only fully vertically integrated rare earth company in America.— Goldman Sachs analyst Peter Oppenheimer, on MP Materials
The Hearth Conversation Another angle on the story
Why does it matter that this refinery is in Saudi Arabia and not somewhere else?
Because Saudi Arabia has cheap energy and existing industrial infrastructure. But more than that—it's an ally. The U.S. government is essentially saying: we need rare earth processing outside China, and we want it in a country we have leverage with and can trust.
So this is about de-risking the supply chain?
Exactly. Right now, if China decides to restrict rare earth exports, the U.S. military and manufacturers are vulnerable. This venture, combined with what MP is doing domestically, creates redundancy and control. The Pentagon is literally financing it.
What does MP Materials actually contribute if the government is paying for it?
Technical know-how and sourcing. MP knows how to separate and refine rare earths at scale. They've built that capability at Mountain Pass. The government has money; MP has expertise. It's a natural fit.
Is this a profitable business for MP, or is it mostly about serving the government?
Both. The DoD funding package guarantees minimum pricing, which removes market risk. Goldman Sachs thinks MP could earn a billion dollars by 2030. That's real profit, not just government contracts.
What happens if demand for rare earths drops?
The Pentagon's minimum pricing guarantee protects MP. But demand isn't dropping—nuclear energy is expanding, electric vehicles need magnets, defense systems need them. The structural demand is there.
So who really owns this Saudi refinery?
Maaden owns 51 percent. MP and the Pentagon own 49 percent combined. It's a Saudi-led venture, but the U.S. has a seat at the table and guarantees the financing. It's a partnership, not an acquisition.