Horizon Kinetics Asset Management Llc

13F Holdings History for MESABI TRUST - Units of Beneficial Interest (MSB)

Symbol: MSB on NYSE
Investment type: Equity / Units of Beneficial Interest
Latest Disclosed Ownership: 3M shares
Security Ownership: 22.9%

Shares, Excluding Options vs Price

Value, Excluding Options

HORIZON KINETICS ASSET MANAGEMENT LLC ownership in MESABI TRUST Units of Beneficial Interest (MSB)

2025-10-29 - HORIZON KINETICS ASSET MANAGEMENT LLC has filed an SCHEDULE 13G/A form with the Securities and Exchange Commission (SEC) disclosing ownership of 3M shares of MESABI TRUST Units of Beneficial Interest (MSB). This represents 22.9% percent ownership of the company. In their previous filing dated 2025-02-13, HORIZON KINETICS ASSET MANAGEMENT LLC had reported owning 2.84M shares, indicating an increase of 5.5% percent.

Reporting Name	Ownership %	Change	Value $	Shares owned	Change	Activity %	Price	Form	Report date	Filed at
HORIZON KINETICS ASSET MANAGEMENT LLC	22.9%	+5.45%	$87.4M	3M	+156,316	+5.5%	$29.15	13G/A	8/19/2025	29 Oct 2025 13:40:03
HORIZON KINETICS ASSET MANAGEMENT LLC	21.7%		$75.3M	2.84M			$26.49	13G/A	12/31/2024	13 Feb 2025 10:51:14

Holdings date	Weight	Change	Value $	Shares	Change	Activity %	Price	All Holders
9/30/2025	1.07%	+0.01%	$87.8M	3M	+38,736	+1.31%	$29.27	Q3 2025
6/30/2025	0.84%	+0.02%	$70.9M	2.96M	+58,895	+2.03%	$23.96	Q2 2025
3/31/2025	0.9%	+0.02%	$78.9M	2.9M	+58,685		$27.20	Q1 2025
12/31/2024	1%	+0.06%	$79.9M	2.84M	+183,387	+6.9%	$28.11	Q4 2024
9/30/2024	0.9%	+0.01%	$60.2M	2.66M	+37,417	+1.43%	$22.65	Q3 2024
6/30/2024	0.79%	+0.01%	$45.2M	2.62M	+21,208	+0.82%	$17.23	Q2 2024
3/31/2024	0.87%	-0.12%	$46M	2.6M	-319,320	-10.9%	$17.70	Q1 2024
12/31/2023	1.25%	-0.05%	$59.8M	2.92M	-129,034	-4.23%	$20.47	Q4 2023
9/30/2023	1.21%	+0.04%	$61.2M	3.05M	+92,922	+3.14%	$20.07	Q3 2023
6/30/2023	1.3%	+0%	$60.3M	2.96M	+2,604	+0.09%	$20.41	Q2 2023
3/31/2023	1.43%	+0.13%	$74.4M	2.95M	+269,100	+10%	$25.18	Q1 2023
12/31/2022	0.8%	+0.03%	$48.4M	2.68M	+110,053	+4.27%	$18.02	Q4 2022
9/30/2022	1.12%	-0.02%	$55.4M	2.57M	-54,131	-2.06%	$21.51	Q3 2022
6/30/2022	1.35%	+0.07%	$64.5M	2.63M	+134,307	+5.38%	$24.52	Q2 2022
3/31/2022	1.34%	+0.2%	$66.5M	2.49M	+364,751	+17.1%	$26.64	Q1 2022
12/31/2021	1.25%	+0.09%	$56.3M	2.13M	+158,317	+8.03%	$26.42	Q4 2021
9/30/2021	1.37%	+0.03%	$58.6M	1.97M	+51,359	+2.67%	$29.71	Q3 2021
6/30/2021	1.39%	+0.17%	$68M	1.92M	+215,699	+12.7%	$35.40	Q2 2021
3/31/2021	1.17%	+0.28%	$51.3M	1.7M	+271,070	+18.9%	$30.08	Q1 2021
12/31/2020	1.34%	+0.27%	$40.2M	1.43M	+290,636	+25.4%	$28.05	Q4 2020
9/30/2020	0.97%	+0.47%	$24.2M	1.14M	+555,892	+94.7%	$21.22	Q3 2020
6/30/2020	0.37%	+0.17%	$10.3M	587K	+275,344	+88.4%	$17.51	Q2 2020
3/31/2020	0.2%	+0%	$4.45M	311K	+5,139	+1.68%	$14.30	Q1 2020
12/31/2019	0.2%	-0.01%	$7.21M	306K	-18,909	-5.81%	$23.54	Q4 2019
9/30/2019	0.23%	+0.02%	$7.78M	325K	+27,013	+9.06%	$23.92	Q3 2019
6/30/2019	0.24%	+0.02%	$8.81M	298K	+27,603	+10.2%	$29.54	Q2 2019
3/31/2019	0.22%		$7.93M	271K			$29.29	Q1 2019

* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.