Who Owns MESABI TR (MSB)? -- Institutional Holders (2026-06-30)
78 institutions reported holding $168.4M of MESABI TR (MSB) in SEC 13F filings for 2026-06-30. Largest institutional holders: HORIZON KINETICS ASSET MANAGEMENT LLC ($81.5M), VALUEWORKS LLC ($16.9M), CWA Asset Management Group, LLC ($13.1M), FIRST MANHATTAN CO. LLC. ($10.0M), MAD RIVER INVESTORS ($8.2M). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|
| 1 | HORIZON KINETICS ASSET MANAGEMENT LLC | $81.5M | 3.2M | Added |
| 2 | VALUEWORKS LLC | $16.9M | 669,733 | Added |
| 3 | CWA Asset Management Group, LLC | $13.1M | 518,974 | Added |
| 4 | FIRST MANHATTAN CO. LLC. | $10.0M | 396,373 | Added |
| 5 | MAD RIVER INVESTORS | $8.2M | 323,735 | Added |
| 6 | Advisory Services Network, LLC | $4.7M | 185,669 | Added |
| 7 | Moors & Cabot, Inc. | $4.5M | 178,289 | Trimmed |
| 8 | EagleClaw Capital Managment, LLC | $4.3M | 170,575 | Added |
| 9 | MORGAN STANLEY | $2.9M | 113,293 | Trimmed |
| 10 | Bank of New York Mellon Corp | $2.6M | 101,464 | Added |
| 11 | SEI INVESTMENTS CO | $2.1M | 83,883 | Trimmed |
| 12 | Lido Advisors, LLC | $2.0M | 79,982 | Added |
| 13 | GEODE CAPITAL MANAGEMENT, LLC | $1.5M | 59,649 | Added |
| 14 | Royal Bank of Canada | $1.4M | 54,825 | Added |
| 15 | BANK OF AMERICA CORP /DE/ | $1.1M | 44,658 | Trimmed |
| 16 | CITADEL ADVISORS LLC | $888,030 | 35,100 | Added |
| 17 | JPMORGAN CHASE & CO | $873,339 | 36,572 | Added |
| 18 | PECAUT & CO. | $859,264 | 33,963 | Hold |
| 19 | NBC SECURITIES, INC. | $777,772 | 30,742 | Hold |
| 20 | HighTower Advisors, LLC | $648,077 | 25,616 | Trimmed |
| 21 | Steward Partners Investment Advisory, LLC | $623,341 | 24,638 | Added |
| 22 | COMMONWEALTH EQUITY SERVICES, LLC | $457,210 | 18,071 | Trimmed |
| 23 | WELLS FARGO & COMPANY/MN | $446,746 | 17,658 | Trimmed |
| 24 | Russell Investments Group, Ltd. | $432,048 | 17,077 | Hold |
| 25 | Westmount Partners, LLC | $426,455 | 16,856 | Hold |
Source: SEC Form 13F filings · as of 2026-06-30