Ken Griffin
MSB

Ken Griffin’s Mesabi Trust MSB Stock Holding History

Ken Griffin’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
Q1 		– Sell
-7,703
Closed -$262K – 13756
2025
Q4 		$297K Buy
7,703
+527
+7% +$17.8K ﹤0.01% 10180
2025
Q3 		$210K Sell
7,176
-4,901
-41% -$144K ﹤0.01% 11169
2025
Q2 		$289K Buy
+12,077
New +$314K ﹤0.01% 9896
2025
Q1 		– Sell
-17,433
Closed -$477K – 15194
2024
Q4 		$490K Buy
17,433
+16,933
+3,387% +$440K ﹤0.01% 8592
2024
Q3 		$11.3K Sell
500
-8,089
-94% -$148K ﹤0.01% 13164
2024
Q2 		$148K Sell
8,589
-4,108
-32% -$71.2K ﹤0.01% 10372
2024
Q1 		$225K Sell
12,697
-1,370
-10% -$26K ﹤0.01% 10085
2023
Q4 		$288K Sell
14,067
-95
-0.7% -$1.88K ﹤0.01% 9250
2023
Q3 		$284K Buy
14,162
+1,076
+8% +$20.7K ﹤0.01% 9274
2023
Q2 		$267K Buy
+13,086
New +$281K ﹤0.01% 9295
2023
Q1 		– Sell
-36,712
Closed -$852K – 15194
2022
Q4 		$662K Buy
36,712
+25,276
+221% +$501K ﹤0.01% 7669
2022
Q3 		$246K Buy
+11,436
New +$295K ﹤0.01% 10004
2022
Q2 		– Sell
-9,756
Closed -$254K – 13658
2022
Q1 		$260K Sell
9,756
-1,972
-17% -$55.4K ﹤0.01% 10916
2021
Q4 		$310K Buy
11,728
+4,027
+52% +$108K ﹤0.01% 10855
2021
Q3 		$229K Buy
+7,701
New +$257K ﹤0.01% 11683
2021
Q1 		– Sell
-9,930
Closed -$278K – 13530
2020
Q4 		$278K Buy
+9,930
New +$242K ﹤0.01% 9202
2020
Q3 		– Sell
-10,474
Closed -$197K – 10492
2020
Q2 		$183K Buy
+10,474
New +$163K ﹤0.01% 8596
2020
Q1 		– Sell
-26,620
Closed -$505K – 9956
2019
Q4 		$627K Buy
+26,620
New +$617K ﹤0.01% 6441
2016
Q1 		– Sell
-7,621
Closed -$34K – 7536
2015
Q4 		$34K Buy
+7,621
New +$58.6K ﹤0.01% 7585
2015
Q3 		– Sell
-64,844
Closed -$882K – 9103
2015
Q2 		$882K Sell
64,844
-55,897
-46% -$800K ﹤0.01% 4134
2015
Q1 		$1.61M Buy
120,741
+50,882
+73% +$873K ﹤0.01% 3346
2014
Q4 		$1.21M Buy
69,859
+64,240
+1,143% +$1.19M ﹤0.01% 3529
2014
Q3 		$107K Buy
5,619
+3,870
+221% +$75.4K ﹤0.01% 6344
2014
Q2 		$34K Sell
1,749
-30,168
-95% -$601K ﹤0.01% 7009
2014
Q1 		$673K Buy
31,917
+26,394
+478% +$558K ﹤0.01% 3956
2013
Q4 		$123K Sell
5,523
-788
-12% -$17.5K ﹤0.01% 5443
2013
Q3 		$138K Buy
+6,311
New +$123K ﹤0.01% 5091

Other funds holding MSB

HKAM
Horizon Kinetics Asset Management New York $8.82B AUM 23.05% 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 $268M AUM 31.54% 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 $2.57B AUM 37.84% 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 $745M AUM 23.99% 1-Year Est. Return
SEI Investments
SEI Investments Oaks, Pennsylvania $108B AUM 26.14% 1-Year Est. Return

Ken Griffin's MSB Position: Q1 2026 in Review

Ken Griffin sold out of Mesabi Trust (MSB) in Q1 2026, closing a stake of 7,703 shares — an estimated $262K sold.

Ken Griffin first reported a position in MSB in Q3 2013 and held it in 27 quarters. The position peaked at $1.61M in Q1 2015. 73 funds tracked by Wall St. Rank hold MSB as of Q1 2026.

  • Ken Griffin reported no remaining Mesabi Trust position as of Q1 2026 after selling out during the quarter.
  • Ken Griffin sold 7,703 Mesabi Trust shares in Q1 2026, an estimated $262K.
  • Ken Griffin first reported a position in Mesabi Trust in Q3 2013 and held it in 27 quarters.
  • Ken Griffin's Mesabi Trust position peaked at $1.61M in Q1 2015.
  • 73 funds tracked by Wall St. Rank held Mesabi Trust as of Q1 2026.

Based on Citadel Advisors's 13F filing for Q1 2026, filed 15 May 2026.