Mesabi Trust (MSB) Holders & Ownership

Mesabi Trust (MSB) ownership: Top institutional holder: HORIZON KINETICS ASSET MANAGEMENT LLC ($98.94M). SEC EDGAR first-party data.

Top Institutional Holders (13F)

Source: SEC Form 13F
HolderSharesMarket ValueReported
HORIZON KINETICS ASSET MANAGEMENT LLC3140972.00$98.94M2026-03-31
VALUEWORKS LLC646582.00$20.37M2026-03-31
CWA Asset Management Group, LLC447485.00$14.07M2026-03-31
BEDDOW CAPITAL MANAGEMENT INC352805.00$13.59M2025-12-31
MAD RIVER INVESTORS321546.00$10.13M2026-03-31
FIRST MANHATTAN CO. LLC.310060.00$9.77M2026-03-31
Advisory Services Network, LLC184629.00$5.82M2026-03-31
Moors & Cabot, Inc.180945.00$5.70M2026-03-31

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Institutional data from SEC Form 13F. Insider data from SEC Form 4. Congressional data from STOCK Act disclosures. Not personalized investment advice.