SEC 13F Intelligence

MSBMESABI TR

CUSIP 590672101 · Yahoo Finance ↗ · Google Finance ↗

Mesabi Tr (MSB) has 72 institutional holders in Filings Flow’s 13F database, together reporting 6.67M shares worth $210M as of Q1 2026. The largest reported holders are Horizon Kinetics Asset Management LLC, Valueworks LLC, and Cwa Asset Management Group, LLC.

Institutional Holders
72
Q1 2026
Reported Value
$210M
Ticker
MSB
Quarters Tracked
10

Ownership Trend

Institutional holders
Q4 ’18: 35Q4 ’18Q1 ’19: 39Q2 ’19: 43Q2 ’19Q3 ’19: 35Q2 ’21: 53Q2 ’21Q4 ’21: 44Q4 ’22: 45Q4 ’22Q4 ’25: 80Q1 ’26: 72Q1 ’26Q2 ’26: 6filingsflow.com
Total reported value
Q4 ’18: $78MQ4 ’18Q1 ’19: $49MQ2 ’19: $46MQ2 ’19Q3 ’19: $36MQ2 ’21: $54MQ2 ’21Q4 ’21: $46MQ4 ’22: $55MQ4 ’22Q4 ’25: $230MQ1 ’26: $210MQ1 ’26Q2 ’26: $1Mfilingsflow.com

Holders

Mixed quarters
Manager% of PortfolioValueSharesQuarter
VALUEWORKS LLC$367M AUM5.55%$20M646.6KQ1 2026OLDER
MAD RIVER INVESTORS$278M AUM3.65%$10M321.5KQ1 2026OLDER
MSRH, LLC$113M AUM1.26%$1M45.1KQ1 2026OLDER
HORIZON KINETICS ASSET MANAGEMENT LLC$9.2B AUM1.07%$99M3.14MQ1 2026OLDER
EagleClaw Capital Managment, LLC$714M AUM0.75%$5M169.8KQ1 2026OLDER
CWA Asset Management Group, LLC$2.9B AUM0.48%$14M447.5KQ1 2026OLDER
PECAUT & CO.$308M AUM0.35%$1M34.0KQ1 2026OLDER
Moors & Cabot, Inc.$2.3B AUM0.24%$6M180.9KQ1 2026OLDER
STEINBERGANNA WEALTH MANAGEMENT$208M AUM0.15%$310,9879.9KQ1 2026OLDER
One Charles Private Wealth Services, LLC$400M AUM0.14%$543,78517.3KQ1 2026OLDER
Redhawk Wealth Advisors, Inc.$1.0B AUM0.12%$1M34.1KQ1 2026OLDER
Acorn Wealth Advisors, LLC$343M AUM0.10%$345,73011.0KQ1 2026OLDER
Westmount Partners, LLC$457M AUM0.09%$426,45516.9KQ2 2026
Advisory Services Network, LLC$7.5B AUM0.08%$6M184.6KQ1 2026OLDER
NBC SECURITIES, INC.$1.3B AUM0.07%$968,37330.7KQ1 2026OLDER
Cadent Capital Advisors, LLC$386M AUM0.06%$235,4466.1KQ4 2025OLDER
BOURGEON CAPITAL MANAGEMENT LLC$578M AUM0.04%$219,9797.0KQ1 2026OLDER
SFE Investment Counsel$635M AUM0.03%$213,3455.5KQ4 2025OLDER
Chung Wu Investment Group, LLC$116M AUM0.03%$38,5201.0KQ4 2025OLDER
FIRST MANHATTAN CO. LLC.$36.1B AUM0.03%$10M310.1KQ1 2026OLDER
Quattro Advisors LLC$115M AUM0.02%$30,816800Q4 2025OLDER
Essex Financial Services, Inc.$1.8B AUM0.02%$438,26613.9KQ1 2026OLDER
Pekin Hardy Strauss, Inc.$957M AUM0.02%$217,6385.7KQ4 2025OLDER
Inspire Advisors, LLC$1.2B AUM0.02%$233,9987.4KQ1 2026OLDER
MARK SHEPTOFF FINANCIAL PLANNING, LLC$189M AUM0.01%$28,0601.0KQ1 2026OLDER
Medallion Wealth Advisors, LLC$306M AUM0.01%$38,9731.2KQ1 2026OLDER
Garton & Associates Financial Advisors LLC$122M AUM0.01%$15,955414Q4 2025OLDER
Godfrey Financial Associates, Inc.$117M AUM0.01%$9,450300Q1 2026OLDER
Apollon Wealth Management, LLC$6.2B AUM0.01%$452,07111.7KQ4 2025OLDER
Synergy Asset Management, LLC$942M AUM0.01%$215,1567.5KQ3 2025OLDER
Lido Advisors, LLC$32.7B AUM0.01%$3M80.0KQ1 2026OLDER
RITHOLTZ WEALTH MANAGEMENT$5.8B AUM0.01%$402,83210.5KQ4 2025OLDER
Manchester Capital Management LLC$694M AUM0.01%$53,0081.8KQ3 2025OLDER
Camelot Portfolios, LLC$143M AUM0.01%$11,556300Q4 2025OLDER
Quent Capital, LLC$1.4B AUM0.01%$97,6903.0KQ1 2026OLDER
SEI INVESTMENTS CO$108.4B AUM0.00%$5M167.8KQ1 2026OLDER
Steward Partners Investment Advisory, LLC$19.6B AUM0.00%$764,19024.3KQ1 2026OLDER
Bernard Wealth Management Corp.$234M AUM0.00%$7,825249Q1 2026OLDER
Anfield Capital Management, LLC$363M AUM0.00%$7,575241Q1 2026OLDER
Colonial Trust Advisors$1.3B AUM0.00%$23,625750Q1 2026OLDER
Golden State Wealth Management, LLC$915M AUM0.00%$15,750500Q1 2026OLDER
Aventura Private Wealth, LLC$273M AUM0.00%$4,032128Q1 2026OLDER
O'SHAUGHNESSY ASSET MANAGEMENT, LLC$20.1B AUM0.00%$271,4678.6KQ1 2026OLDER
WealthCollab, LLC$243M AUM0.00%$3,01896Q1 2026OLDER
FLAGSHIP HARBOR ADVISORS, LLC$2.3B AUM0.00%$20,374528Q4 2025OLDER
HighTower Advisors, LLC$94.2B AUM0.00%$835,20726.5KQ1 2026OLDER
Financial Perspectives, Inc$358M AUM0.00%$3,150100Q1 2026OLDER
COMMONWEALTH EQUITY SERVICES, LLC$71.6B AUM0.00%$598,86019.0KQ1 2026OLDER
MAI Capital Management$17.7B AUM0.00%$143,0154.5KQ1 2026OLDER
Larson Financial Group LLC$3.1B AUM0.00%$20,507710Q3 2025OLDER
TWO SIGMA INVESTMENTS, LP$123.9B AUM0.00%$454,11211.8KQ4 2025OLDER
Bank of New York Mellon Corp$543.9B AUM0.00%$3M100.2KQ1 2026OLDER
Russell Investments Group, Ltd.$93.1B AUM0.00%$537,92617.1KQ1 2026OLDER
Ameritas Advisory Services, LLC$2.6B AUM0.00%$8,287283Q3 2025OLDER
Farther Finance Advisors, LLC$10.6B AUM0.00%$48,4141.5KQ1 2026OLDER
BANK OF AMERICA CORP /DE/$1.37T AUM0.00%$6M177.9KQ1 2026OLDER
EverSource Wealth Advisors, LLC$3.3B AUM0.00%$9,964345Q3 2025OLDER
WEALTH ENHANCEMENT ADVISORY SERVICES, LLC$49.1B AUM0.00%$248,8496.1KQ4 2025OLDER
ROYAL BANK OF CANADA$570.1B AUM0.00%$2M51.1KQ1 2026OLDER
BEACON INVESTMENT ADVISORY SERVICES, INC.$2.7B AUM0.00%$7,590300Q2 2026
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP$184.8B AUM0.00%$495,62115.7KQ1 2026OLDER
MORGAN STANLEY$1.67T AUM0.00%$4M108.7KQ1 2026OLDER
OSAIC HOLDINGS, INC.$68.3B AUM0.00%$153,9364.9KQ1 2026OLDER
NewEdge Advisors, LLC$27.7B AUM0.00%$51,5901.6KQ2 2026
CULLEN/FROST BANKERS, INC.$8.8B AUM0.00%$15,750500Q1 2026OLDER
CITADEL ADVISORS LLC$618.5B AUM0.00%$1M33.1KQ1 2026OLDER
Tower Research Capital LLC (TRC)$3.8B AUM0.00%$6,363202Q1 2026OLDER
LPL Financial LLC$376.6B AUM0.00%$587,84518.7KQ1 2026OLDER
CoreCap Advisors, LLC$3.4B AUM0.00%$5,060200Q2 2026
RAYMOND JAMES FINANCIAL INC$324.4B AUM0.00%$396,64512.6KQ1 2026OLDER
GEODE CAPITAL MANAGEMENT, LLC$1.61T AUM0.00%$2M57.5KQ1 2026OLDER
WELLS FARGO & COMPANY/MN$530.3B AUM0.00%$566,75118.0KQ2 2026
UBS Group AG$666.3B AUM0.00%$639,57720.3KQ1 2026OLDER
BANK OF MONTREAL /CAN/$268.5B AUM0.00%$233,1327.4KQ1 2026OLDER
COMERICA BANK$25.1B AUM0.00%$21,186550Q4 2025OLDER
JPMORGAN CHASE & CO$1.56T AUM0.00%$1M36.3KQ1 2026OLDER
Allworth Financial LP$24.7B AUM0.00%$15,715500Q1 2026OLDER
AMERIPRISE FINANCIAL INC$431.8B AUM0.00%$247,0807.8KQ1 2026OLDER
CWM, LLC$38.1B AUM0.00%$21,436682Q1 2026OLDER
SUSQUEHANNA INTERNATIONAL GROUP, LLP$893.3B AUM0.00%$494,55015.7KQ1 2026OLDER
Groupe la Francaise$7.3B AUM0.00%$4,091165Q3 2025OLDER
SIMPLEX TRADING, LLC$149.1B AUM0.00%$78,2142.5KQ1 2026OLDER
GHP Investment Advisors, Inc.$2.4B AUM0.00%$1,25840Q1 2026OLDER
Corient Private Wealth LLC$69.9B AUM0.00%$38,51038.5KQ4 2025OLDER
FIFTH THIRD BANCORP$54.7B AUM0.00%$17,325550Q1 2026OLDER
GAMMA Investing LLC$2.7B AUM0.00%$65826Q2 2026
US BANCORP \DE\$82.4B AUM0.00%$12,600400Q1 2026OLDER
CITIGROUP INC$234.5B AUM0.00%$26,114829Q1 2026OLDER
GROUP ONE TRADING LLC$52.2B AUM0.00%$4,568145Q1 2026OLDER
Parallel Advisors, LLC$5.6B AUM0.00%$38510Q4 2025OLDER
ASSETMARK, INC$49.0B AUM0.00%$56718Q1 2026OLDER
HUNTINGTON NATIONAL BANK$18.1B AUM0.00%$321Q1 2026OLDER
FMR LLC$1.90T AUM0.00%$1,16637Q1 2026OLDER

Holdings are reported up to 45 days after quarter end. Share counts are as filed and not adjusted for stock splits.