ArcelorMittal SA
Ownership
Ownership Structure
Who owns ArcelorMittal SA (MT)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| FMR Inc | 1.51 | 11,391,416 | +631.4 | 06/30/2026 |
| Dimensional Fund Advisors, Inc. | 0.41 | 3,067,991 | -5.7 | 09/30/2026 |
| Maple Rock Capital Partners, Inc. | 0.29 | 2,190,860 | +54.9 | 06/30/2026 |
| Morgan Stanley - Brokerage Accounts | 0.20 | 1,503,680 | -25.1 | 06/30/2026 |
| BlackRock Inc | 0.20 | 1,471,254 | +2.9 | 06/30/2026 |
| The Goldman Sachs Group Inc | 0.17 | 1,299,500 | -1.8 | 06/30/2026 |
| Castle Hook Partners LP | 0.17 | 1,290,147 | +0.0 | 06/30/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Fidelity Puritan | 0.40 | 3,006,900 | +12.9 | 07/31/2026 |
| Fidelity OTC | 0.21 | 1,612,300 | +0.0 | 08/31/2026 |
| Fidelity Advisor Equity Growth I | 0.16 | 1,212,320 | -1.4 | 09/30/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Data as of: November 13, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.