| Company | Share, % |
|---|---|
| Mesabi Trust | 3.5 |
 Banco Latinoamericano de Comercio Exterior, S.A
|
1.42 |
| Keweenaw Land Association, Limited | 1.13 |
 Pilot Corporation
|
0.31 |
| Pilot Corporation | 0.31 |
| FRMO Corporation | 0.18 |
 AB SKF (publ)
|
0.05 |
 Investor AB (publ)
|
0.03 |
 Pershing Square Holdings, Ltd.
|
0.01 |
| Sandoz Group AG | 0 |
 Subaru Corporation
|
0 |
| Siemens Aktiengesellschaft | 0 |
