MRI
MSB

Mad River Investors’s Mesabi Trust MSB Stock Holding History

Mad River Investors’s Portfolio MSB Stock Details MSB Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$8.19M Buy
323,735
+2,189
+0.7% +$60.2K 3.05% 8
2026
Q1 		$10.1M Buy
321,546
+24,897
+8% +$848K 3.65% 7
2025
Q4 		$11.4M Buy
296,649
+1,126
+0.4% +$38.1K 5.2% 7
2025
Q3 		$8.65M Buy
295,523
+110
+0% +$3.23K 3.7% 7
2025
Q2 		$7.08M Sell
295,413
-1,044
-0.4% -$27.1K 3.17% 7
2025
Q1 		$8.06M Buy
296,457
+1,556
+0.5% +$42.6K 3.42% 6
2024
Q4 		$8.29M Buy
294,901
+1,832
+0.6% +$47.6K 3.85% 5
2024
Q3 		$6.64M Buy
293,069
+1,423
+0.5% +$26K 3.68% 6
2024
Q2 		$5.03M Buy
291,646
+5,809
+2% +$101K 3.37% 6
2024
Q1 		$5.06M Buy
285,837
+25,290
+10% +$480K 3.51% 7
2023
Q4 		$5.33M Sell
260,547
-94,763
-27% -$1.87M 4.95% 5
2023
Q3 		$7.13M Buy
355,310
+3,835
+1% +$73.7K 5.05% 4
2023
Q2 		$6.91M Buy
351,475
+7,900
+2% +$170K 5.11% 5
2023
Q1 		$8.65M Buy
343,575
+61,150
+22% +$1.42M 6.1% 3
2022
Q4 		$5.09M Buy
282,425
+84,600
+43% +$1.68M 2.95% 7
2022
Q3 		$4.25M Buy
197,825
+2,400
+1% +$61.9K 3.1% 7
2022
Q2 		$4.79M Buy
195,425
+3,300
+2% +$85.8K 3.75% 7
2022
Q1 		$5.12M Sell
192,125
-500
-0.3% -$14K 3.95% 6
2021
Q4 		$5.09M Buy
192,625
+3,725
+2% +$99.7K 3.88% 6
2021
Q3 		$6.69M Hold
188,900
– – 4.29% 4
2021
Q2 		$6.69M Buy
188,900
+1,150
+0.6% +$41.6K 4.29% 4
2021
Q1 		$5.65M Buy
187,750
+5,750
+3% +$161K 3.77% 5
2020
Q4 		$5.11M Buy
182,000
+125,150
+220% +$3.05M 5.01% 4
2020
Q3 		$1.21M Buy
+56,850
New +$1.07M 1.53% 15

Other funds holding MSB

HKAM
Horizon Kinetics Asset Management New York $8.82B AUM 23.05% 1-Year Est. Return
V
ValueWorks New York $479M AUM 117.71% 1-Year Est. Return
CAMG
CWA Asset Management Group Naples, Florida $3.28B AUM 34.07% 1-Year Est. Return
First Manhattan
First Manhattan New York $39.2B AUM 21.04% 1-Year Est. Return
ASN
Advisory Services Network Atlanta, Georgia $8.83B AUM 38.5% 1-Year Est. Return
MC
Moors & Cabot Boston, Massachusetts $2.57B AUM 37.84% 1-Year Est. Return
ECM
EagleClaw Capital Management Boston, Massachusetts $745M AUM 23.99% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
Bank of New York Mellon
Bank of New York Mellon New York $609B AUM 40.19% 1-Year Est. Return
SEI Investments
SEI Investments Oaks, Pennsylvania $113B AUM 34.64% 1-Year Est. Return

Mad River Investors's MSB Position: Q2 2026 in Review

Mad River Investors increased its Mesabi Trust (MSB) stake by 0.68% in Q2 2026, buying an estimated $60.2K and bringing the position to 323,735 shares worth $8.19M. The position accounts for 3.05% of the portfolio, ranked #8.

Mad River Investors first reported a position in MSB in Q3 2020 and has held it in 24 quarters since. The position peaked at $11.4M in Q4 2025. 62 funds tracked by Wall St. Rank hold MSB as of Q2 2026.

  • Mad River Investors held 323,735 shares of Mesabi Trust worth $8.19M as of Q2 2026.
  • Mad River Investors bought 2,189 Mesabi Trust shares in Q2 2026, an estimated $60.2K.
  • Mesabi Trust made up 3.05% of Mad River Investors's portfolio in Q2 2026, its #8 holding.
  • Mad River Investors first reported a position in Mesabi Trust in Q3 2020 and has held it in 24 quarters since.
  • Mad River Investors's Mesabi Trust position peaked at $11.4M in Q4 2025.
  • 62 funds tracked by Wall St. Rank held Mesabi Trust as of Q2 2026.

Based on Mad River Investors's 13F filing for Q2 2026, filed 3 Aug 2026.