Horizon Kinetics Asset Management LLC
Filed with the SEC on · accession 0001056823-26-000023
MSB filed a SCHEDULE 13G/A (schedule 13g/a) with the SEC on Nov 9, 2026. Horizon Kinetics Asset Management LLC filed an amended Schedule 13G reporting beneficial ownership of 3,279,971 Units of Beneficial Interest (25.0%) of Mesabi Trust as of September 30, 2026. The stock moved -0.7% by the first close after the filing.
Horizon Kinetics Asset Management LLC filed an amended Schedule 13G reporting beneficial ownership of 3,279,971 Units of Beneficial Interest (25.0%) of Mesabi Trust as of September 30, 2026. The filing is a passive investment disclosure under Rule 13d-1(b).
Close before
$17.25
Nov 6, 2026
First close after
-0.70%
$17.13
5 trading days
—
Since filing
—
✦ Ask GOAX AI about this filing — what it means for MSB, what changed since its last filings and what to watch next.
Try it free for 7 days🔔 Want to stay updated on new SEC filings for MSB?
Click hereMSB filed a SCHEDULE 13G/A (SEC filing). Horizon Kinetics Asset Management LLC filed an amended Schedule 13G reporting beneficial ownership of 3,279,971 Units of Beneficial Interest (25.0%) of Mesabi Trust as of September 30, 2026. The filing is a passive investment disclosure under Rule 13d-1(b).
A report the company filed with the SEC (the US market regulator). Start with the summary, then the key amounts and names. Compare it with the company’s earlier filings.
Public companies must tell the SEC about anything that can change their value — results, leadership changes, big deals, new shares, bankruptcy. Filings are the official source, often before the news. A SCHEDULE 13G/A (schedule 13g/a): A report the company filed with the SEC (the US market regulator).
MSB closed at $17.25 before the filing and $17.13 on Nov 9, 2026 (-0.70%).
Get alerts when MSB files with the SEC, plus live charts, key levels and news for 13,000+ stocks.
Try SEPT free for 7 days