MP Materials Corp.
MP Materials Corp. (MP) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · MP · as of Sep 30, 2025
Ownership Breakdown
751
Institutional Holders
▲ 209 vs Q2
$8.40B
Total Inst. Value
▲ $3.90B vs Q2
178.02M
Shares Outstanding
freeFloat 80.95%
125.39M
13F Shares Held
▼ 10.63M vs Q2
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
MP largest shareholders · institutional ownership
Q3 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
HANCOCK PROSPECTING PTY LTD metal mining | 14.86M | 8.54% | 8.54% | $996.74B | Nov 17, 2025 | ▲ 1.00M |
VANGUARD GROUP INC metal mining | 14.02M | 8.05% | 8.05% | $940.36B | Nov 7, 2025 | ▲ 364.0K |
BLACKROCK, INC. metal mining | 12.69M | 7.29% | 7.29% | $851.41B | Nov 12, 2025 | ▼ 2.09M |
UBS GROUP AG metal mining | 6.94M | 3.99% | 3.99% | $465.78B | Nov 13, 2025 | ▲ 68.6K |
STATE STREET CORP metal mining | 5.83M | 3.35% | 3.35% | $390.91B | Nov 14, 2025 | ▼ 679.3K |
SUSQUEHANNA INTERNATIONAL GROUP, LLP metal mining | 5.37M | 3.08% | 3.08% | $359.96B | Nov 14, 2025 | ▲ 226.2K |
SQUAREPOINT OPS LLC metal mining | 4.74M | 2.72% | 2.72% | $317.80B | Nov 14, 2025 | ▲ 628.0K |
CITADEL ADVISORS LLC metal mining | 3.85M | 2.21% | 2.21% | $258.37B | Nov 14, 2025 | ▲ 3.13M |
MORGAN STANLEY metal mining | 3.83M | 2.20% | 2.20% | $256.87B | May 27, 2026 | ▼ 189.6K |
CITADEL ADVISORS LLC metal mining | 3.50M | 2.01% | 2.01% | $234.51B | Nov 14, 2025 | ▲ 2.89M |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q3 2025 vs prior quarter
Q3 2025
32
Increased
+25.52M shares1
New Positions
first time holders16
Decreased
−13.04M shares0
Sold Out
fully exitedNet shares change (top 50)
+12.47M
+25.52M / −13.04M
Net new holders
+17
1 new / 0 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
MP insider trading · insider activity
Source: SEC Form 4
Insiders have been primarily selling shares recently. Selling may be driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment.
1
Buy transactions
21
Sell transactions
0.05
Buy/Sell ratio
$1M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
Litinsky James H. Chairman and CEO | Jun 3, 2026 | Sale | 11,740 | $71.31 | $837.2K | 11.79M | Form 4 ↗ |
Litinsky James H. Chairman and CEO | Jun 3, 2026 | Sale | 37,286 | $70.23 | $2.62M | 11.76M | Form 4 ↗ |
Litinsky James H. Chairman and CEO | Jun 3, 2026 | Sale | 136,141 | $68.65 | $9.35M | 11.62M | Form 4 ↗ |
Litinsky James H. Chairman and CEO | May 27, 2026 | Sale | 23,113 | $66.06 | $1.53M | 12.18M | Form 4 ↗ |
Litinsky James H. Chairman and CEO | May 27, 2026 | Sale | 92,236 | $65.20 | $6.01M | 12.09M | Form 4 ↗ |
Litinsky James H. Chairman and CEO | May 28, 2026 | Sale | 6,710 | $68.18 | $457.5K | 12.08M | Form 4 ↗ |
Litinsky James H. Chairman and CEO | May 28, 2026 | Sale | 39,445 | $67.78 | $2.67M | 12.04M | Form 4 ↗ |
Litinsky James H. Chairman and CEO | May 28, 2026 | Sale | 49,265 | $66.52 | $3.28M | 12.00M | Form 4 ↗ |
Litinsky James H. Chairman and CEO | May 28, 2026 | Sale | 44,117 | $65.65 | $2.90M | 11.95M | Form 4 ↗ |
Litinsky James H. Chairman and CEO | May 28, 2026 | Sale | 95,114 | $64.67 | $6.15M | 11.86M | Form 4 ↗ |
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
MP Materials Corp. (MP) is primarily owned by institutional investors, who hold approximately 70.4% of total shares outstanding. Company insiders own approximately 19.05%, while retail and public investors account for the remaining 10.51%.
The largest institutional shareholder of MP Materials Corp. is HANCOCK PROSPECTING PTY LTD, holding approximately 14.86 million shares — equal to 8.54% of outstanding shares — as of September 30, 2025.
A total of 751 institutional investors currently hold MP stock, with a combined institutional value of approximately $8.40 billion as of the most recent 13F filing period.
Frequently asked questions
MP ownershipMP Materials Corp. (MP) is primarily owned by institutional investors, who hold approximately 70.4% of shares. The largest shareholder is HANCOCK PROSPECTING PTY LTD with a 8.54% stake. Company insiders hold 19.05%. Data sourced from SEC Form 13F as of September 30, 2025.