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 |
|---|---|---|---|---|
| Dimensional Fund Advisors, Inc. | 0.43 | 3,253,361 | +0.6 | 06/30/2026 |
| Maple Rock Capital Partners, Inc. | 0.29 | 2,190,860 | +54.9 | 06/30/2026 |
| Morgan Stanley - Brokerage Accounts | 0.27 | 2,007,524 | +16.8 | 03/31/2026 |
| FMR Inc | 0.21 | 1,557,559 | +13.1 | 03/31/2026 |
| BlackRock Inc | 0.19 | 1,429,558 | -23.9 | 03/31/2026 |
| The Goldman Sachs Group Inc | 0.18 | 1,322,923 | +1.5 | 03/31/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Fidelity Puritan | 0.35 | 2,662,800 | +22.8 | 06/30/2026 |
| Fidelity OTC | 0.21 | 1,612,300 | +0.0 | 07/31/2026 |
| Stt Strt World Dev ex US Idx SL SF Cl I | 0.18 | 1,375,738 | +0.4 | 08/31/2026 |
| Schwab Fundamental International Eq ETF | 0.18 | 1,351,923 | +0.0 | 08/29/2026 |
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: September 25, 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.