Comparable stake leader
HORIZON KINETICS ASSET MANAGEMENT LLC
SEC ownership of MESABI TRUST
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0000065172.
Disclosed value leader
HORIZON KINETICS ASSET MANAGEMENT LLC
Comparable rows
50/50
Latest evidence
30 Jun 2026
- Public ticker
- MSB on NYSE
- Parsed ownership sources
-
13D/G and 13F
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
- Largest SEC-reported holder
-
HORIZON KINETICS ASSET MANAGEMENT LLC
Ranking: Comparable ownership first, then disclosed value
- Comparable ownership rows
-
50 of 50
Meaning: Rows with safely comparable ownership %
- Latest 13D/G holder
-
HORIZON KINETICS ASSET MANAGEMENT LLC
Source: Latest parsed Schedule 13D/G stake
- Latest parsed ownership date
-
30 Jun 2026
Freshness: Most recent filing date in this holder set
- Issuer CIK
- 0000065172
- Issuer location
- New York, NY
Ownership snapshot
CIK-linked ownership evidence from parsed SEC filings.
3 signals
Issuer
Names, identifiers, and filing context for this profile.
2 identity fields
Ownership snapshot
Top shareholders of MESABI TRUST (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
HORIZON KINETICS ASSET MA...
Disclosed value leader
HORIZON KINETICS ASSET MA...
Comparable rows
50/50
Latest evidence
30 Jun 2026
13D/G
13F
Lead comparable stake: 24%
13D/G row: HORIZON KINETICS ASSET MANAGEMENT LLC
Showing 1-8 of 50 holder rows.
Quick read
HORIZON KINETICS ASSET MANAGEMENT LLC leads the comparable SEC ownership view at 24%.
50 of 50 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens HORIZON KINETICS ASSET MANAGEMENT LLC's linked filing trail.
Comparable ownership
Top 5
HORIZON KINETICS ASSET MANAGEMENT...
24%
VALUEWORKS LLC
5.2%
CWA Asset Management Group, LLC
3.9%
FIRST MANHATTAN CO. LLC.
3%
MAD RIVER INVESTORS
2.5%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-8 of 50 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| HORIZON KINETICS ASSET MANAGEMENT LLC |
13D/G
13F
Company
|
24%
|
$98,940,618
3,140,972 shares
|
+$4,461,849 | 31 Mar 2026 |
| VALUEWORKS LLC |
13F
13D/G
Company
|
5.2%
from 13D/G
|
$16,944,253
669,733 shares
|
— | 30 Jun 2026 |
| CWA Asset Management Group, LLC |
13F
Company
|
3.9%
|
$13,130,052
518,974 shares
|
— | 30 Jun 2026 |
| FIRST MANHATTAN CO. LLC. |
13F
Company
|
3%
|
$10,028,237
396,373 shares
|
— | 30 Jun 2026 |
| MAD RIVER INVESTORS |
13F
Company
|
2.5%
|
$8,190,493
323,735 shares
|
— | 30 Jun 2026 |
| Advisory Services Network, LLC |
13F
Company
|
1.4%
|
$4,697,424
185,669 shares
|
— | 30 Jun 2026 |
| Moors & Cabot, Inc. |
13F
Company
|
1.4%
|
$4,510,711
178,289 shares
|
— | 30 Jun 2026 |
| EagleClaw Capital Managment, LLC |
13F
Company
|
1.3%
|
$4,315,548
170,575 shares
|
— | 30 Jun 2026 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
Forms 3/4/5 flow
Insider trading overview
Insider buy and sell flow is broadly balanced over the last 12 months. No Buy or Sell transactions have been reported since 17 Sep 2025.
Buys
$0
Insiders: 0
Sells
$0
Insiders: 0
Net
$0
Shares: 0
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 0
Shares: 0
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 0 | 0 | $0 | $0 | $0 |
| 3-6 | 0 | 0 | $0 | $0 | $0 |
| 6-9 | 0 | 0 | $0 | $0 | $0 |
| 9-12 | 0 | 0 | $0 | $0 | $0 |
Recent insider transactions for MESABI TRUST
Showing up to 300 recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | SEC-reported value | SEC-reported price | Shares | Shares owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| No insider transactions were found in the last 12 months for this issuer. | ||||||||||
* marks a reported price that did not pass the local price check.