Mesabi Trust
MSB
71 hedge funds and large institutions have $179M invested in Mesabi Trust in 2025 Q3 according to their latest regulatory filings, with 15 funds opening new positions, 26 increasing their positions, 14 reducing their positions, and 8 closing their positions.
88% more first-time investments, than exits
New positions opened: 15 | Existing positions closed: 8
86% more repeat investments, than reductions
Existing positions increased: 26 | Existing positions reduced: 14
25% more capital invested
Capital invested by funds: $144M → $179M (+$35.6M)
11% more funds holding
Funds holding: 64 → 71 (+7)
1.29% more ownership
Funds ownership: 45.42% → 46.7% (+1.3%)
0% more funds holding in top 10
Funds holding in top 10: 3 → 3 (0)
89% less call options, than puts
Call options by funds: $34K | Put options by funds: $296K
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
CAMG
CWA Asset Management Group
Naples,
Florida
|
+$4.72M |
| 2 |
Geode Capital Management
Boston,
Massachusetts
|
+$1.43M |
| 3 |
HKAM
Horizon Kinetics Asset Management
New York
|
+$1.14M |
| 4 |
AWP
Atlas Wealth Partners
Wyomissing,
Pennsylvania
|
+$230K |
| 5 |
Ameriprise
Minneapolis,
Minnesota
|
+$226K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Two Sigma Advisers
New York
|
-$645K |
| 2 |
Morgan Stanley
New York
|
-$641K |
| 3 |
UBS Group
Zurich,
Switzerland
|
-$423K |
| 4 |
SOW
State of Wyoming
Cheyenne,
Wyoming
|
-$407K |
| 5 |
Two Sigma Investments
New York
|
-$364K |
MSB Hedge Fund Activity: Q3 2025 in Review
71 of the 7,638 institutional investors tracked by Wall St. Rank reported a position in Mesabi Trust (MSB) for Q3 2025, worth a combined $179M — up 25% from $144M a quarter earlier.
Buyers outnumbered sellers: 15 funds opened new MSB positions and 8 closed out — a net gain of 7 holders — while 26 added to existing stakes and 14 trimmed.
The largest buyer was CWA Asset Management Group, opening a new position worth an estimated $4.72M. The largest seller was Two Sigma Advisers, exiting entirely with an estimated $645K sold.
- 71 institutional investors held Mesabi Trust (MSB) as of Q3 2025, up from 64 in Q2 2025.
- Funds reported $179M of Mesabi Trust stock for Q3 2025, up 25% quarter-over-quarter.
- 15 funds opened new Mesabi Trust positions in Q3 2025 and 8 closed out, a net change of +7 holders.
- The largest Mesabi Trust buyer in Q3 2025 was CWA Asset Management Group, an estimated $4.72M added.
- The largest Mesabi Trust seller in Q3 2025 was Two Sigma Advisers, an estimated $645K sold.
Based on aggregated 13F filings for Q3 2025.