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
2025
Q4 		– Sell
-1,000
Closed -$29.3K – 8784
2025
Q3 		$29.3K Buy
1,000
+600
+150% +$17.6K ﹤0.01% 6392
2025
Q2 		$9.58K Hold
400
– – ﹤0.01% 6745
2025
Q1 		$10.9K Buy
+400
New +$10.9K ﹤0.01% 6204
2024
Q3 		– Sell
-300
Closed -$5.17K – 7088
2024
Q2 		$5.17K Sell
300
-1,200
-80% -$20.8K ﹤0.01% 5935
2024
Q1 		$26.6K Buy
1,500
+400
+36% +$7.58K ﹤0.01% 5220
2023
Q4 		$22.5K Buy
1,100
+1,000
+1,000% +$19.8K ﹤0.01% 5654
2023
Q3 		$2.01K Sell
100
-200
-67% -$3.84K ﹤0.01% 7041
2023
Q2 		$6.12K Sell
300
-100
-25% -$2.15K ﹤0.01% 6629
2023
Q1 		$10.1K Buy
+400
New +$9.28K ﹤0.01% 5931
2022
Q4 		– Sell
-1,000
Closed -$22K – 7789
2022
Q3 		$22K Buy
+1,000
New +$25.8K ﹤0.01% 6011
2022
Q2 		– Sell
-600
Closed -$16K – 8250
2022
Q1 		$16K Sell
600
-2,100
-78% -$59K ﹤0.01% 6912
2021
Q4 		$71K Sell
2,700
-4,700
-64% -$126K ﹤0.01% 6039
2021
Q3 		$220K Buy
7,400
+5,900
+393% +$197K ﹤0.01% 5066
2021
Q2 		$53K Buy
1,500
+500
+50% +$18.1K ﹤0.01% 6525
2021
Q1 		$30K Buy
1,000
+700
+233% +$19.6K ﹤0.01% 6555
2020
Q4 		$8K Buy
+300
New +$7.3K ﹤0.01% 5872
2020
Q2 		– Sell
-10,200
Closed -$146K – 6033
2020
Q1 		$146K Buy
10,200
+10,100
+10,100% +$192K ﹤0.01% 2995
2019
Q4 		$2K Sell
100
-4,400
-98% -$102K ﹤0.01% 4906
2019
Q3 		$108K Sell
4,500
-500
-10% -$12.8K ﹤0.01% 3511
2019
Q2 		$148K Sell
5,000
-7,500
-60% -$224K ﹤0.01% 3059
2019
Q1 		$366K Sell
12,500
-28,400
-69% -$813K ﹤0.01% 2202
2018
Q4 		$969K Buy
+40,900
New +$1.12M 0.01% 1537
2018
Q3 		– Sell
-7,400
Closed -$182K – 5452
2018
Q2 		$182K Sell
7,400
-11,500
-61% -$282K ﹤0.01% 3120
2018
Q1 		$487K Buy
18,900
+8,900
+89% +$239K ﹤0.01% 2089
2017
Q4 		$253K Buy
+10,000
New +$234K ﹤0.01% 2779
2015
Q1 		– Sell
-1,000
Closed -$17K – 5025
2014
Q4 		$17K Sell
1,000
-1,100
-52% -$20.3K ﹤0.01% 4025
2014
Q3 		$40K Buy
2,100
+1,800
+600% +$35K ﹤0.01% 3687
2014
Q2 		$6K Sell
300
-1,600
-84% -$31.9K ﹤0.01% 4697
2014
Q1 		$40K Sell
1,900
-4,400
-70% -$93K ﹤0.01% 3786
2013
Q4 		$140K Buy
6,300
+5,200
+473% +$115K ﹤0.01% 2747
2013
Q3 		$24K Buy
1,100
+200
+22% +$3.9K ﹤0.01% 4060
2013
Q2 		$16K Buy
+900
New +$18.4K ﹤0.01% 4202

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.