Mesabi Trust (MSB)
NYSE: MSB · Mineral Royalty Traders · New York, NY · filing with the SEC since 1995
Who owns Mesabi Trust
As filed with the SECHolders of 5% or more
2
Horizon Kinetics Asset Management LLC holds 23.9% of Units of Beneficial Interest, as its SCHEDULE 13G/A filed Apr 29, 2026 says.
Directors and officers
0
report now, of 0 people on the record since 2019. Their holdings as a group are not read here.
Institutions as a whole
n/a
The record does not read the share held by managers that file Form 13F, so none is printed and no split of the rest is estimated. What it holds is the 2 named at left.
Holders of 5% or moreshare of the class, as filed
Horizon Kinetics Asset Management LLC
SCHEDULE 13G/A · filed Apr 29, 2026 · Units of Beneficial Interest · 22.9% in Oct 29, 2025
Valueworks LLC
SCHEDULE 13G/A · filed Aug 14, 2025 · Units of Beneficial Interest, no par value
What MSB reports owning in othersstakes of 5% or more, and other ties
Mesabi Trust reports no stake in another company in the record.
Insider tradesForm 4
0sales
0purchases
0sales on a scheduled plan
0people selling
$0sold, in dollars
$0bought, in dollars
Open-market trades on Form 4 from Sep 30, 2025 to Sep 30, 2026. A scheduled plan is a selling program set in advance under SEC rule 10b5-1. The trades are listed as filed and do not feed the grade.
By calendar yearSoldBought
No open-market trade is on the record for these years.
Dollars as filed, summed by the transaction date.
People who traded in the window
No one on the roster filed an open-market trade in the window.