Corundum Group’s Berkshire Hathaway Class B BRK.B Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Shares
Change %
Capital Flow Portfolio Weight Portfolio Position
2025
Q2
$1.26M Buy
2,604
+516
+25% +$251K 0.56% 44
2025
Q1
$1.11M Sell
2,088
-1,559
-43% -$830K 0.53% 44
2024
Q4
$1.65M Buy
3,647
+2,088
+134% +$946K 0.62% 46
2024
Q3
$718K Sell
1,559
-1,691
-52% -$778K 0.33% 62
2024
Q2
$1.32M Buy
3,250
+1,712
+111% +$696K 0.52% 55
2024
Q1
$647K Sell
1,538
-51
-3% -$21.4K 0.31% 61
2023
Q4
$567K Buy
1,589
+16
+1% +$5.71K 0.28% 71
2023
Q3
$551K Sell
1,573
-436
-22% -$153K 0.31% 65
2023
Q2
$685K Sell
2,009
-1,729
-46% -$590K 0.34% 65
2023
Q1
$1.15M Buy
3,738
+1,200
+47% +$371K 0.55% 55
2022
Q4
$784K Buy
2,538
+94
+4% +$29K 0.44% 63
2022
Q3
$653K Buy
2,444
+2
+0.1% +$534 0.41% 62
2022
Q2
$667K Buy
2,442
+65
+3% +$17.8K 0.45% 57
2022
Q1
$839K Buy
2,377
+596
+33% +$210K 0.78% 49
2021
Q4
$533K Buy
1,781
+244
+16% +$73K 0.35% 53
2021
Q3
$420K Buy
1,537
+66
+4% +$18K 0.31% 54
2021
Q2
$409K Buy
1,471
+2
+0.1% +$556 0.27% 55
2021
Q1
$375K Buy
1,469
+152
+12% +$38.8K 0.29% 53
2020
Q4
$305K Buy
1,317
+33
+3% +$7.64K 0.25% 61
2020
Q3
$273K Buy
1,284
+104
+9% +$22.1K 0.26% 55
2020
Q2
$211K Sell
1,180
-22
-2% -$3.93K 0.25% 53
2020
Q1
$220K Sell
1,202
-74
-6% -$13.5K 0.31% 46
2019
Q4
$289K Buy
1,276
+37
+3% +$8.38K 0.3% 45
2019
Q3
$258K Sell
1,239
-6
-0.5% -$1.25K 0.3% 48
2019
Q2
$265K Buy
1,245
+151
+14% +$32.1K 0.3% 43
2019
Q1
$220K Sell
1,094
-1,775
-62% -$357K 0.25% 57
2018
Q4
$586K Buy
+2,869
New +$586K 0.54% 41
2018
Q2
Sell
-1,006
Closed -$201K 54
2018
Q1
$201K Buy
+1,006
New +$201K 0.22% 51