Who Owns Mesabi Trust (MSB)?Hedge Fund & Institutional Holders

$32.29+0.70 (+2.22%)Basic MaterialsNYSE

Institutional Holders

as of Q4 2025

Total Institutional Value

$1.1662600025583e+254T

% of Float Held

2.3094736165740417e+219%

QoQ Change in Holders

+9 / -5

Price History

MSB — Biggest New Institutional Buyers This Quarter

Fund	Action	Shares Added	Value Added
HORIZON KINETICS ASSET MANAGEMENT LLC	Increased	+28K	+$28.8B
CWA Asset Management Group, LLC	New Position	+228K	+$8.8B
BANK OF AMERICA CORP /DE/	Increased	+86	+$6.0B
SEI INVESTMENTS CO	New Position	+84K	+$3.0B
MAD RIVER INVESTORS	Increased	+1K	+$2.8B
PECAUT & CO.	New Position	+34K	+$1.3B
COMMONWEALTH EQUITY SERVICES, LLC	New Position	+31K	+$1.0B
UBS Group AG	Increased	+7K	+$424.6M
Acorn Wealth Advisors, LLC	New Position	+11K	+$423.0M
RITHOLTZ WEALTH MANAGEMENT	New Position	+10K	+$402.0M
STEINBERGANNA WEALTH MANAGEMENT	New Position	+9K	+$354.0M
ROYAL BANK OF CANADA	Increased	+18K	+$277.0M
Cadent Capital Advisors, LLC	New Position	+6K	+$235.0M
Quent Capital, LLC	New Position	+3K	+$123.0M
Farther Finance Advisors, LLC	Increased	+630	+$32.1M

MSB — Institutions Reducing or Closing Positions

Fund	Action	Shares Sold	Value Sold
Steward Partners Investment Advisory, LLC	Decreased	-447	-$720.0M
WELLS FARGO & COMPANY/MN	Decreased	-1K	-$549.8M
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP	Decreased	-2K	-$488.5M
TWO SIGMA INVESTMENTS, LP	Decreased	-5K	-$480.3M
RAYMOND JAMES FINANCIAL INC	Decreased	-549	-$358.2M
O'SHAUGHNESSY ASSET MANAGEMENT, LLC	Decreased	-2K	-$310.7M
CITIGROUP INC	Decreased	-23	-$110.8M
Colonial Trust Advisors	Decreased	-750	-$43.9M
Tower Research Capital LLC (TRC)	Closed Position	-1K	-$33.2M
Larson Financial Group LLC	Closed Position	-710	-$20.5M
EverSource Wealth Advisors, LLC	Closed Position	-345	-$10.0M
Groupe la Francaise	Closed Position	-165	-$4.1M
GAMMA Investing LLC	Decreased	-13	-$878K
GSA CAPITAL PARTNERS LLP	Decreased	-1K	-$212K
Manchester Capital Management LLC	Closed Position	-2K	-$53K

Top Institutional Holders(Q4 2025)

#	Fund	Shares	Value	% of Portfolio	Type
1	HORIZON KINETICS ASSET MANAGEMENT LLC	3,027,698	$116.6B	1577.23%	Share
2	VALUEWORKS LLC	664,171	$25.6B	6.73%	Share
3	MAD RIVER INVESTORS	296,649	$11.4B	5.20%	Share
4	CWA Asset Management Group, LLC	228,244	$8.8B	0.32%	Share
5	Moors & Cabot, Inc.	186,004	$7.0B	0.30%	Share
6	BANK OF AMERICA CORP /DE/	145,639	$5.0B	0.36%	Share
7	SEI INVESTMENTS CO	83,883	$3.0B	2.96%	Share
8	PECAUT & CO.	33,963	$1.3B	0.42%	Share
9	BANK OF AMERICA CORP /DE/	32,242	$1.0B	0.07%	Share
10	JPMORGAN CHASE & CO	36,426	$1.0B	0.06%	Share
11	COMMONWEALTH EQUITY SERVICES, LLC	30,841	$1.0B	1.33%	Share
12	O'SHAUGHNESSY ASSET MANAGEMENT, LLC	43,270	$1.0B	5.52%	Share
13	ROYAL BANK OF CANADA	41,411	$1.0B	0.16%	Share
14	Westmount Partners, LLC	20,856	$803.0M	0.20%	Share
15	One Charles Private Wealth Services, LLC	17,263	$664.0M	0.17%	Share
16	UBS Group AG	17,193	$662.0M	0.11%	Share
17	Acorn Wealth Advisors, LLC	11,000	$423.0M	0.13%	Share
18	RITHOLTZ WEALTH MANAGEMENT	10,459	$402.0M	7.34%	Share
19	STEINBERGANNA WEALTH MANAGEMENT	9,204	$354.0M	0.17%	Share
20	Cadent Capital Advisors, LLC	6,112	$235.0M	0.06%	Share
21	UBS Group AG	4,883	$188.0M	0.03%	Share
22	Quent Capital, LLC	3,203	$123.0M	0.01%	Share
23	Farther Finance Advisors, LLC	1,491	$57.0M	0.61%	Share
24	MARK SHEPTOFF FINANCIAL PLANNING, LLC	1,000	$38.0M	0.02%	Share
25	UBS Group AG	663	$25.0M	0.00%	Share
26	COMERICA BANK	550	$21.0M	0.08%	Share
27	FLAGSHIP HARBOR ADVISORS, LLC	528	$20.0M	0.00%	Share
28	Golden State Wealth Management, LLC	500	$19.0M	0.00%	Share
29	GROUP ONE TRADING LLC	441	$16.0M	0.03%	Share
30	CoreCap Advisors, LLC	400	$15.0M	0.00%	Share
31	BEDDOW CAPITAL MANAGEMENT INC	352,805	$13.6M	5.13%	Share
32	Camelot Portfolios, LLC	300	$11.0M	0.01%	Share
33	WealthCollab, LLC	295	$11.0M	0.00%	Share
34	Bernard Wealth Management Corp.	247	$9.0M	0.00%	Share
35	EagleClaw Capital Managment, LLC	167,225	$6.0M	0.87%	Share
36	MORGAN STANLEY	97,704	$3.0M	0.00%	Share
37	Bank of New York Mellon Corp	92,967	$3.0M	0.00%	Share
38	Financial Perspectives, Inc	100	$3.0M	0.00%	Share
39	Lido Advisors, LLC	79,981	$2.0M	0.01%	Share
40	Redhawk Wealth Advisors, Inc.	35,540	$1.4M	0.15%	Share
41	NBC SECURITIES, INC.	33,942	$1.3M	0.10%	Share
42	GHP Investment Advisors, Inc.	40	$1.0M	0.00%	Share
43	HighTower Advisors, LLC	26,843	$1.0M	0.00%	Share
44	Verdad Advisers, LP	19,567	$753K	0.86%	Share
45	Apollon Wealth Management, LLC	11,736	$452K	0.01%	Share
46	Atlas Wealth Partners, LLC	7,858	$302K	0.33%	Share
47	WEALTH ENHANCEMENT ADVISORY SERVICES, LLC	6,109	$248K	0.00%	Share
48	Pekin Hardy Strauss, Inc.	5,650	$217K	0.02%	Share
49	SFE Investment Counsel	5,540	$213K	0.03%	Share
50	Chung Wu Investment Group, LLC	1,000	$38K	0.03%	Share

MSB Institutional Ownership History

Quarter	Holders	Total Value	Change
Q4 2025	81	$187.9B	+29
Q3 2025	52	$140.4B	-5
Q2 2025	57	$120.8B	-5
Q1 2025	62	$135.5B	+9
Q4 2024	53	$789.1B	+20
Q3 2024	33	$2.5T	+1
Q2 2024	32	$2.0T	-3
Q1 2024	35	$1.8T	—

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As of Q4 2025, 50 institutional investors hold MSB (Mesabi Trust). The largest holder is HORIZON KINETICS ASSET MANAGEMENT LLC with $116.6B in shares. This quarter, 9 institutions opened new positions and 5 closed their positions.

Frequently Asked Questions

How many hedge funds own MSB?

As of Q4 2025, 50 institutional investors report holding MSB (Mesabi Trust) in their 13F filings.

Who is the largest institutional holder of MSB?

The largest institutional holder of MSB is HORIZON KINETICS ASSET MANAGEMENT LLC with $116.6B in shares.

Is institutional ownership of MSB increasing or decreasing?

This quarter, 9 institutions opened new positions in MSB and 5 closed their positions.