CI
RareEarthIndex.com

MP Materials Corp

RareEarth Index inaugural constituent · Calculation date April 30, 2026

Identifiers

Primary ticker
MP
NYSE
Secondary
Domicile
USA (Delaware)
Sector
REE Mining & Extraction
Index weight
10.00%
Cap-bound at 10%
Avg market cap
$10.07B
30-day, USD

Operating jurisdiction

USA (Mountain Pass, CA; Independence facility, Fort Worth, TX)

Sector classification

Mountain Pass mine remains the largest revenue source (REO concentrate sales plus growing separated NdPr oxide). The Independence magnet plant ramped commercial production in 2025 but represents a smaller revenue share than upstream concentrate and oxide as of FY25. Revenue concentration in mining/upstream segment.

Activity screen

Owns Mountain Pass — only operating REE mine in the Western Hemisphere — plus Stage III separation (NdPr oxide) and Stage IV downstream (Independence: Nd metal and sintered NdFeB magnets for GM, DoD). >95% of revenue REE-related.

Primary REE elements

Nd, Pr, Ce, La, Sm (Mixed LREE; bastnasite ore primarily light REE with limited HREE)

Liquidity

30-day avg market cap (USD)
$10.07B
90-day avg daily traded value (USD)
$411.78M

Sources

https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=0001801368 · FY25 10-K (Feb 2026)