HORIZON KINETICS ASSET MANAGEMENT LLC - 19 Aug 2025 SCHEDULE 13G/A Report for MESABI TRUST Units of Beneficial Interest (MSB)

Filing Manager: HORIZON KINETICS ASSET MANAGEMENT LLC
Reporting Manager: HORIZON KINETICS ASSET MANAGEMENT LLC
Security: MESABI TRUST Units of Beneficial Interest
Symbol: MSB
Shares outstanding: 13,097,493 shares
Disclosed Ownership: 2,999,326 shares
Ownership: 23%
Form type: SCHEDULE 13G/A
Filing time: 29 Oct 2025, 13:40:03 UTC
Date of event: 19 Aug 2025
Previous filing: 13 Feb 2025
SEC: View on sec.gov

Reporting Managers (1)

Name	Ownership	Shares Owned	sole voting power	shared voting power	Signature	Title	CIK
HORIZON KINETICS ASSET MANAGEMENT LLC	23%	2,999,326	2,999,326	0	/s/Jay Kesslen	General Counsel