DOSSIER · 13F Holders · Q2 2026
MSB
MESABI TR
69 institutions still hold MESABI TR as of Q2 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.
CUSIP 590672101·69 13F holders·last filed Jun 30, 2026
AI Holders Summary · Q2 2026
69 institutions reported MSB in Q2 2026. HORIZON KINETICS ASSET MANAGEMENT LLC leads at 46.8% of the visible book.
Top holders
Sorted by position value. Source: SEC EDGAR 13F-HR filings.
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