Mesabi TrustMSB

13F holders, Q3 2025 (September 30)
71holders +7
14new positions
8sold out
1famous investor
$29.26avg. 13F price*

At the end of Q3 2025, 71 institutions reported holding Mesabi Trust (MSB) in their 13F filings, up 7 from Q2 2025. 14 opened new positions and 8 sold out. The largest holders were Horizon Kinetics Asset Management LLC ($87.8M), Valueworks LLC ($19.8M) and Beddow Capital Management Inc. ($10.7M). One famous investor held it Ken Griffin (0.0% of Citadel Advisors's portfolio).

Company
Mesabi Trust
CUSIP
590672101
Latest filing quarter
Q2 2026

History

Number of 13F holders

020406080100 Q1 2024: 50Q1 2024Q2 2024: 47Q2 2024Q3 2024: 47Q3 2024Q4 2024: 61Q4 2024Q1 2025: 64Q1 2025Q2 2025: 64Q2 2025Q3 2025: 71Q3 2025Q4 2025: 82Q4 2025Q1 2026: 73Q1 2026Q2 2026: 62Q2 2026

Total Exit/New Position Q2 2025 → Q3 2025

InstitutionsTotal Value
New Positions14$6.0M
Exits8$1.5M

All 13F filers, Q2 2025 → Q3 2025: 308,497 shares bought and 152,675 shares sold, net +155,822 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 71 holders

Horizon Kinetics Asset Management LLC 1.07% Add +1.3% 2,999,326 $87.8M
Valueworks LLC 5.76% Reduce -1.3% 676,709 $19.8M
Beddow Capital Management Inc. 4.08% Reduce -2.4% 365,929 $10.7M
Mad River Investors 3.71% Add +0.0% 295,523 $8.6M
Moors & Cabot, Inc. 0.24% Reduce -3.6% 187,160 $5.5M
Advisory Services Network, LLC 0.08% Add +0.0% 181,396 $5.3M
Bank of America Corp. 0.00% Add +0.0% 177,795 $5.2M
EagleClaw Capital Managment, LLC 0.69% Add +1.1% 167,425 $4.9M
CWA Asset Management Group, LLC 0.17% New 160,918 $4.7M
Morgan Stanley 0.00% Reduce -17.4% 103,925 $3.0M
Lido Advisors, LLC 0.01% No change 79,779 $2.3M
Bank of New York Mellon Corp 0.00% Reduce -2.5% 75,170 $2.2M
Geode Capital Management, LLC 0.00% Add +440.4% 59,677 $1.7M
O'shaughnessy Asset Management, LLC 0.01% Reduce -4.0% 44,778 $1.3M
Redhawk Wealth Advisors, Inc. 0.13% Add +13.4% 38,711 $1.1M
JPMorgan Chase & Co. 0.00% Reduce -2.7% 36,204 $1.1M
Lanark Financial, Inc. 0.08% No change 33,942 $993K
Pecaut & Co. 0.32% Add +0.1% 33,963 $981K
Commonwealth Equity Services, LLC 0.00% Add +1.0% 30,409 $890K
HighTower Advisors, LLC 0.00% Add +0.4% 25,038 $733K
Royal Bank of Canada 0.00% Add +2.7% 24,708 $723K
Steward Partners Investment Advisory, LLC 0.00% Add +1.5% 24,599 $720K
LPL Financial LLC 0.00% Add +20.2% 23,661 $693K
Westmount Partners, LLC 0.17% No change 20,856 $653K
Wells Fargo & Company 0.00% Add +3.0% 18,783 $550K
One Charles Private Wealth Services, LLC 0.14% Add +0.0% 18,268 $535K
Russell Investments Group, Ltd. 0.00% No change 17,042 $499K
Arrowstreet Capital, Limited Partnership 0.00% Reduce -13.1% 16,690 $489K
Two Sigma Investments, LP 0.00% Reduce -43.1% 16,409 $480K
UBS Group AG 0.00% Reduce -48.4% 15,389 $450K
Essex Financial Services, Inc. 0.03% Add +0.1% 14,621 $428K
Steinberganna Wealth Management 0.18% — 12,979 $375K
Raymond James Financial Inc. 0.00% Reduce -5.6% 12,239 $358K
Apollon Wealth Management, LLC 0.01% Add +5.1% 11,753 $344K
Ritholtz Wealth Management 0.01% Reduce -17.0% 11,399 $331K
Acorn Wealth Advisors, LLC 0.10% No change 11,000 $318K
Janney Montgomery Scott LLC 0.00% Add +5.2% 10,516 $308K
Atlas Wealth Partners, LLC 0.23% New 7,844 $227K
Ameriprise Financial Inc. 0.00% New 7,718 $226K
Bank of Montreal 0.00% New 7,400 $217K
Synergy Asset Management, LLC 0.01% New 7,450 $215K
Gsa Capital Partners LLP 0.02% New 7,257 $212K
Citadel Advisors 0.00% Reduce -40.6% 7,176 $210K
MAI Capital Management 0.00% Add +0.3% 4,478 $131K
Osaic Holdings, Inc. 0.00% Add +22.3% 4,307 $128K
Citigroup Inc. 0.00% New 3,786 $111K
Manchester Capital Management LLC 0.01% No change 1,811 $53K
NewEdge Advisors, LLC 0.00% Add +0.6% 1,621 $47K
Colonial Trust Advisors 0.00% New 1,500 $44K
Medallion Wealth Advisors, LLC 0.01% No change 1,240 $36K
Tower Research Capital LLC (TRC) 0.00% Add +47.0% 1,135 $33K
Chung Wu Investment Group, LLC 0.02% No change 1,000 $29K
Mark Sheptoff Financial Planning, LLC 0.01% No change 1,000 $29K
Quent Capital, LLC 0.00% New 940 $28K
Farther Finance Advisors, LLC 0.00% Add +0.3% 861 $25K
Larson Financial Group LLC 0.00% New 710 $21K
Cwm, LLC 0.00% Add +0.3% 670 $19K
Comerica Bank 0.00% New 550 $16K
Golden State Wealth Management, LLC 0.00% No change 500 $15K
Allworth Financial LP 0.00% No change 500 $14K
EverSource Wealth Advisors, LLC 0.00% No change 345 $10K
Ameritas Advisory Services, LLC 0.00% Add +0.3% 283 $8K
Bernard Wealth Management Corp. 0.00% Add +0.4% 245 $7K
Groupe la Francaise 0.00% New 165 $4K
Aventura Private Wealth, LLC 0.00% No change 128 $4K
Financial Perspectives, Inc 0.00% No change 100 $3K
FMR LLC 0.00% Reduce -29.5% 74 $2K
Group One Trading LLC 0.00% New 41 $1K
GAMMA Investing LLC 0.00% New 30 $878
Assetmark, Inc. 0.00% No change 18 $527
Huntington National Bank 0.00% No change 1 $29

"% of holder's portfolio" is MSB's weight in each manager's 13F, not the share of Mesabi Trust the manager owns.