Group One Trading
MSB

Group One Trading’s Mesabi Trust MSB Stock Holding History

Group One Trading’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
2024
Q4 		– Sell
-300
Closed -$6.79K – 7708
2024
Q3 		$6.79K Sell
300
-300
-50% -$5.49K ﹤0.01% 5765
2024
Q2 		$10.3K Buy
600
+200
+50% +$3.47K ﹤0.01% 5633
2024
Q1 		$7.08K Sell
400
-100
-20% -$1.9K ﹤0.01% 6037
2023
Q4 		$10.2K Buy
500
+400
+400% +$7.91K ﹤0.01% 6185
2023
Q3 		$2.01K Sell
100
-2,700
-96% -$51.9K ﹤0.01% 7042
2023
Q2 		$57.1K Buy
+2,800
New +$60.2K ﹤0.01% 5159
2023
Q1 		– Sell
-200
Closed -$3.6K – 7668
2022
Q4 		$3.6K Buy
200
+100
+100% +$1.98K ﹤0.01% 6469
2022
Q3 		$2K Sell
100
-4,700
-98% -$121K ﹤0.01% 7171
2022
Q2 		$118K Buy
4,800
+4,000
+500% +$104K ﹤0.01% 4823
2022
Q1 		$21K Buy
+800
New +$22.5K ﹤0.01% 6720
2020
Q3 		– Sell
-200
Closed -$4K – 6374
2020
Q2 		$4K Sell
200
-1,300
-87% -$20.3K ﹤0.01% 5430
2020
Q1 		$21K Buy
1,500
+1,000
+200% +$19K ﹤0.01% 4206
2019
Q4 		$12K Hold
500
– – ﹤0.01% 4546
2019
Q3 		$12K Sell
500
-500
-50% -$12.8K ﹤0.01% 4541
2019
Q2 		$30K Buy
+1,000
New +$29.9K ﹤0.01% 4022
2019
Q1 		– Sell
-12,500
Closed -$296K – 5154
2018
Q4 		$296K Buy
12,500
+11,300
+942% +$309K ﹤0.01% 2380
2018
Q3 		$32K Sell
1,200
-23,900
-95% -$651K ﹤0.01% 4209
2018
Q2 		$616K Buy
25,100
+8,000
+47% +$196K 0.01% 2127
2018
Q1 		$440K Buy
+17,100
New +$459K ﹤0.01% 2156
2016
Q2 		– Sell
-1,000
Closed -$6K – 4818
2016
Q1 		$6K Sell
1,000
-300
-23% -$1.47K ﹤0.01% 4160
2015
Q4 		$6K Buy
1,300
+600
+86% +$4.62K ﹤0.01% 4332
2015
Q3 		$8K Buy
+700
New +$8.47K ﹤0.01% 4369
2015
Q1 		– Sell
-100
Closed -$2K – 5026
2014
Q4 		$2K Sell
100
-7,400
-99% -$137K ﹤0.01% 4698
2014
Q3 		$143K Sell
7,500
-2,500
-25% -$48.7K ﹤0.01% 2681
2014
Q2 		$196K Buy
10,000
+9,200
+1,150% +$183K ﹤0.01% 2427
2014
Q1 		$17K Hold
800
– – ﹤0.01% 4337
2013
Q4 		$18K Buy
+800
New +$17.7K ﹤0.01% 4303
2013
Q3 		– Sell
-1,000
Closed -$18K – 5455
2013
Q2 		$18K Buy
+1,000
New +$20.4K ﹤0.01% 4134

Other funds holding MSB

HKAM
Horizon Kinetics Asset Management New York $9.23B AUM 27.52% 1-Year Est. Return
V
ValueWorks New York $367M AUM 59.38% 1-Year Est. Return
CAMG
CWA Asset Management Group Naples, Florida $3.28B AUM 34.07% 1-Year Est. Return
MRI
Mad River Investors Boston, Massachusetts $278M AUM 32.21% 1-Year Est. Return
First Manhattan
First Manhattan New York $36.1B AUM 11.5% 1-Year Est. Return
ASN
Advisory Services Network Atlanta, Georgia $7.52B AUM 29.01% 1-Year Est. Return
MC
Moors & Cabot Boston, Massachusetts $2.34B AUM 30.42% 1-Year Est. Return
Bank of America
Bank of America Charlotte, North Carolina $1.37T AUM 24.88% 1-Year Est. Return
ECM
EagleClaw Capital Management Boston, Massachusetts $714M AUM 24.24% 1-Year Est. Return
SEI Investments
SEI Investments Oaks, Pennsylvania $108B AUM 26.14% 1-Year Est. Return

Group One Trading's MSB Position: Q1 2026 in Review

Group One Trading reduced its Mesabi Trust (MSB) stake by 67% in Q1 2026, selling an estimated $10.1K and leaving 145 shares worth $4.57K. The position accounts for ﹤0.01% of the portfolio, ranked #6748.

Group One Trading first reported a position in MSB in Q3 2013 and has held it in 24 quarters since. The position peaked at $487K in Q2 2021. 73 funds tracked by Wall St. Rank hold MSB as of Q1 2026.

  • Group One Trading held 145 shares of Mesabi Trust worth $4.57K as of Q1 2026.
  • Group One Trading sold 296 Mesabi Trust shares in Q1 2026, an estimated $10.1K.
  • Mesabi Trust made up ﹤0.01% of Group One Trading's portfolio in Q1 2026, its #6748 holding.
  • Group One Trading first reported a position in Mesabi Trust in Q3 2013 and has held it in 24 quarters since.
  • Group One Trading's Mesabi Trust position peaked at $487K in Q2 2021.
  • 73 funds tracked by Wall St. Rank held Mesabi Trust as of Q1 2026.

Based on Group One Trading's 13F filing for Q1 2026, filed 13 May 2026.