MP Materials Corp. (MP) Major Shareholders
MP Materials shareholders at a glance
The largest holder of MP Materials stock is Georgina Hope Rinehart (Investment Company), with 14.9 million shares (8.11% of the company), worth about $814.00 million as of September 25, 2026. The 10 largest holders together own 46.1%.
In Q2 2026, 830 institutional holdings reports listed 156.0 million shares worth $8.40 billion, up 17.3% in shares from Q1 2026.
Major holders as of September 25, 2026; quarterly totals from institutional holdings reports (latest Q2 2026).
MP Materials Corp.
Shareholders Summary
2026Q2
Ownership by Type
Geographic Distribution
Largest MP Materials shareholders
| Holder | Shares | % of company | Value |
|---|---|---|---|
| Georgina Hope Rinehart (Investment Company) | 14.9 million | 8.11% | $814.0M |
| BlackRock Advisors LLC | 13.3 million | 7.25% | $727.0M |
| James Litinsky6.457 % | 11.8 million | 6.46% | $648.0M |
| State Street Corporation | 7.8 million | 4.24% | $426.0M |
| Vanguard Capital Management LLC | 6.9 million | 3.78% | $380.0M |
| Vanguard Portfolio Management LLC | 6.8 million | 3.72% | $374.0M |
| 1832 Asset Management LP | 6.8 million | 3.71% | $372.0M |
| D.E. Shaw & Co., Inc. | 5.8 million | 3.18% | $319.0M |
| Shenghe Resources Holding Co., Ltd | 5.5 million | 3.03% | $304.0M |
| Eaton Vance Management | 4.8 million | 2.60% | $261.0M |
As of September 25, 2026.
MP Materials institutional holdings by quarter
| Quarter | Reports | Shares | Value |
|---|---|---|---|
| Q2 2026 | 830 | 156.0 million | $8.4B |
| Q1 2026 | 783 | 133.0 million | $6.4B |
| Q4 2025 | 803 | 126.0 million | $6.4B |
| Q3 2025 | 757 | 128.0 million | $8.6B |
| Q2 2025 | 550 | 136.0 million | $4.5B |
| Q1 2025 | 448 | 127.0 million | $3.1B |
| Q4 2024 | 427 | 122.0 million | $1.9B |
| Q3 2024 | 412 | 104.0 million | $1.8B |
Shares and value held by institutions that file quarterly holdings reports (options not included).
Questions and answers
Who owns the most MP Materials stock?
Georgina Hope Rinehart (Investment Company), with 8.11% of the company (as of September 25, 2026). Next: BlackRock Advisors LLC (7.25%) and James Litinsky6.457 % (6.46%).
How many institutions own MP Materials stock?
830 institutional holdings reports listed MP Materials shares in Q2 2026, 156.0 million shares in all worth $8.40 billion.
