Growth Metrics

MP Materials (MP) Inventory Average (2021 - 2026)

MP Materials filings provide 5 years of Inventory Average readings, the most recent being $158.0 million for Q4 2025.

  • On a quarterly basis, Inventory Average rose 40.66% to $158.0 million in Q4 2025 year-over-year; TTM through Dec 2025 was $158.0 million, a 40.66% increase, with the full-year FY2025 number at $139.7 million, up 37.61% from a year prior.
  • Inventory Average hit $158.0 million in Q4 2025 for MP Materials, up from $136.2 million in the prior quarter.
  • In the past five years, Inventory Average ranged from a high of $158.0 million in Q4 2025 to a low of $33.7 million in Q1 2021.
  • Median Inventory Average over the past 5 years was $68.6 million (2023), compared with a mean of $80.1 million.
  • Biggest five-year swings in Inventory Average: grew 15.95% in 2022 and later skyrocketed 72.77% in 2024.
  • MP Materials' Inventory Average stood at $36.4 million in 2021, then soared by 63.69% to $59.6 million in 2022, then soared by 44.6% to $86.2 million in 2023, then surged by 30.31% to $112.3 million in 2024, then skyrocketed by 40.66% to $158.0 million in 2025.
  • The last three reported values for Inventory Average were $158.0 million (Q4 2025), $136.2 million (Q3 2025), and $130.6 million (Q2 2025) per Business Quant data.