Tungsten, antimony and tin: small markets where export controls have reshaped prices.
These are small markets with outsized policy attention. Tungsten and antimony sit under Chinese export controls and matter for defense, chipmaking tools and flame retardants. Tin is the solder on every circuit board.
Listed exposure is a handful of small and mid-cap companies, several with US government financing. Expect concentrated, volatile positions.
Context: Reuters, Jun 17 2026
Supply status and the main constraint for each mineral, from its sourced profile in the database.
China mined ~79% of world supply in 2025. Ex-China concentrate prices roughly tripled in 2026 (from $750–850 to $2,500–2,800 per mtu).
China's 2024 export licensing remains in force; a ban on exports to the US is suspended only until Nov 27, 2026. IEA flags AI as raising antimony's importance.
Prices for base metals including tin rose about one-third between Jan 2025 and Apr 2026; supply is exposed to Myanmar and DRC disruption.
Grouped from diversified majors to developers and funds. Market data as of October 6, 2026.
US-domiciled tungsten miner whose Sangdong mine in South Korea began producing in 2026. Almonty says it could supply about 40% of Western tungsten demand at full capacity.
Owner of the Bisie mine in eastern DRC, the world's highest-grade tin mine and about 7% of global mined supply. Tin is the solder on every circuit board.
Small US antimony smelter and zeolite producer. One of the few non-Chinese antimony processors.
Developing the Stibnite gold-antimony project in Idaho, positioned as the only domestically mined US antimony source.
EXIM Bank approved a $2.9B loan for Stibnite. (CNBC, May 21 2026 ↗)Developer of a US mine-to-magnet chain for neodymium-iron-boron magnets, built around a magnet plant in Stillwater, Oklahoma. It is pre-revenue at scale, and China has put it on an export-control list.
Administration taking a 10% stake as part of a $1.6B debt-and-equity package. (CNBC, Jan 24 2026 ↗)ETF holding rare-earth and strategic-metal miners across lithium, rare earths, uranium and other niche metals, with significant China exposure.
Sprott ETF spanning miners of energy-transition critical materials (lithium, uranium, copper, rare earths, nickel and more).
| Company / fund | Minerals | Type | HQ | 12 mo | ||||
|---|---|---|---|---|---|---|---|---|
| ALM | Almonty Industries | W | Producer | US | $3.7B | +107% | +37.7% | |
| PPTA | Perpetua Resources | SbAu | Developer | US | $2.6B | -5.6% | -20.5% | |
| USAR | USA Rare Earth | Nd | Developer | US | $1.8B | -47.1% | +1.7% | |
| AFM.V AFMJF | Alphamin Resources | Sn | Producer | MU | $1.3B | +25.0% | +21.8% | |
| REMX | VanEck Rare Earth & Strategic Metals ETF | NdLiW | ETF | US | $829M | -13.0% | -16.9% | |
| UAMY | United States Antimony | Sb | Refiner / processor | US | $591M | -48.5% | -36.1% | |
| SETM | Sprott Critical Materials ETF | LiUCuNd | ETF | US | $80M | +13.9% | -1.2% |
Not investment advice. Critical-Minerals.si is an independent research site. Baskets and model allocations are illustrative frameworks for exploring exposure, not recommendations to buy or sell any security. Mining and commodity equities are volatile, and many names listed here are small, foreign-listed or pre-revenue. Do your own research and consider a licensed adviser. Market data as of the date shown; prices change constantly.