What does CUSIP 590672101 represent in this 13F holders report?

CUSIP 590672101 is the security identifier for MSB - MESABI TRUST - Units of Beneficial Interest used to aggregate holder disclosures.

How many institutions held MSB - MESABI TRUST - Units of Beneficial Interest in Q1 2023?

42 institutional investors reported MSB - MESABI TRUST - Units of Beneficial Interest for Q1 2023. Use the holders table for investor-level position and value details.

MESABI TRUST - Units of Beneficial Interest (MSB)

CUSIP: 590672101

Q1 2023 13F Holders as of 31 Mar 2023

Security type / class: Equity / Units of Beneficial Interest
Total 13F shares: 5,178,553
Total 13F value: $130,396,917
Share change: +276,840
Put/Call ratio: 29%
SEC-reported price per share: $25.18
Number of holders: 42
Value change: +$7,772,703
Number of buys: 16
Number of sells: 20
Shares outstanding: 13,142,142

Security key

590672101

Report period

Q1 2023

Institutions

Top holders

MSB full security history Ownership snapshot Full 13F holder table MESABI TRUST SEC filings MESABI TRUST company facts

Broader feeds

Latest 13F filings Latest 13D/G filings Investors directory

Ownership snapshot

Top reported holders of MSB - MESABI TRUST - Units of Beneficial Interest (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader

HORIZON KINETICS ASSET MA...

Disclosed value leader

HORIZON KINETICS ASSET MA...

Comparable rows

15/15

Latest evidence

31 Dec 2022

13F Lead comparable stake: 20% Showing 1-6 of 15 holder rows.

Quick read

HORIZON KINETICS ASSET MANAGEMENT LLC leads the comparable SEC ownership view at 20%.

15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens HORIZON KINETICS ASSET MANAGEMENT LLC's linked filing trail.

Comparable ownership Top 5

HORIZON KINETICS ASSET MANAGEMENT... 20%

VALUEWORKS LLC 6.1%

BEDDOW CAPITAL MANAGEMENT INC 3.3%

MAD RIVER INVESTORS 2.1%

MORGAN STANLEY 1.3%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-6 of 15 holder rows

Holder	Evidence	Ownership %	Position	12M Net Δ	As of
HORIZON KINETICS ASSET MANAGEMENT LLC	13F Company 13F	20%	$48,378,758 2,684,726 shares	—	31 Dec 2022
VALUEWORKS LLC	13F Company 13F	6.1%	$14,505,000 804,962 shares	—	31 Dec 2022
BEDDOW CAPITAL MANAGEMENT INC	13F Company 13F	3.3%	$7,900,000 438,384 shares	—	31 Dec 2022
MAD RIVER INVESTORS	13F Company 13F	2.1%	$5,089,000 282,425 shares	—	31 Dec 2022
MORGAN STANLEY	13F Company 13F	1.3%	$3,025,757 167,911 shares	—	31 Dec 2022
Moors & Cabot, Inc.	13F Company 13F	0.96%	$2,262,383 125,548 shares	—	31 Dec 2022

How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

13F holder rows

Institutional holders as of Q1 2023

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions

5,178,553

Rows available

Investor	Option	Weight %	Change %	SEC-reported value	* Price	Shares	Share Change	Activity	Report Period

^* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.

Compare Q1 2023 vs Q1 2023 Across Filers

Q1 2023 holders

Holder diff

Investor	Q1 2023 Shares	Q1 2023 Shares	Share Diff	Share Chg %	Q1 2023 value	Q1 2023 value	Value change	Value Chg %