The largest holder of ArcelorMittal stock is Mittal Lakshmi Niwas Family43.89 %, with 340.2 million shares (43.89% of the company) as of September 25, 2026. The 10 largest holders together own 47.2%.
In Q2 2026, 346 institutional holdings reports listed 37.3 million shares worth $2.25 billion, up 29.5% in shares from Q1 2026.
Major holders as of September 25, 2026; quarterly totals from institutional holdings reports (latest Q2 2026).

2026Q2
| Holder | Shares | % of company | Value |
|---|---|---|---|
| Mittal Lakshmi Niwas Family43.89 % | 340.2 million | 43.89% | – |
| Arcelormittal | 13.7 million | 1.77% | – |
| Magallanes Value Investors SA SGIIC | 3.3 million | 0.42% | – |
| Sparinvest SA (Denmark) | 1.9 million | 0.24% | – |
| S.W. Mitchell Capital LLP | 1.8 million | 0.24% | – |
| Bestinver Gestión SA SGIIC | 1.6 million | 0.21% | – |
| Lightman Investment Management Ltd. | 1.2 million | 0.16% | – |
| OFI Invest Asset Management SA | 918,886 | 0.12% | – |
| Sjunde Ap Fonden (Investment Management) | 725,758 | 0.09% | – |
| Caixabank Asset Management SGIIC SAU | 607,658 | 0.08% | – |
As of September 25, 2026.
| Quarter | Reports | Shares | Value |
|---|---|---|---|
| Q2 2026 | 346 | 37.3 million | $2.3B |
| Q1 2026 | 330 | 28.8 million | $1.5B |
| Q4 2025 | 316 | 29.7 million | $1.3B |
| Q3 2025 | 283 | 28.7 million | $1.0B |
| Q2 2025 | 270 | 31.3 million | $990.0M |
| Q1 2025 | 254 | 32.9 million | $950.0M |
| Q4 2024 | 247 | 36.8 million | $851.0M |
| Q3 2024 | 227 | 33.5 million | $879.0M |
Shares and value held by institutions that file quarterly holdings reports (options not included).
Mittal Lakshmi Niwas Family43.89 %, with 43.89% of the company (as of September 25, 2026). Next: Arcelormittal (1.77%) and Magallanes Value Investors SA SGIIC (0.42%).
346 institutional holdings reports listed ArcelorMittal shares in Q2 2026, 37.3 million shares in all worth $2.25 billion.