Mason Investment Advisory Services’s Costco COST Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Shares
Change %
Capital Flow Portfolio Weight Portfolio Position
2025
Q2
$413K Buy
417
+1
+0.2% +$989 0.02% 51
2025
Q1
$394K Hold
416
0.02% 50
2024
Q4
$381K Sell
416
-4
-1% -$3.66K 0.02% 54
2024
Q3
$373K Sell
420
-162
-28% -$144K 0.02% 51
2024
Q2
$495K Buy
582
+168
+41% +$143K 0.03% 41
2024
Q1
$303K Hold
414
0.02% 52
2023
Q4
$273K Buy
414
+25
+6% +$16.5K 0.02% 54
2023
Q3
$220K Hold
389
0.02% 62
2023
Q2
$209K Buy
+389
New +$209K 0.02% 63
2022
Q4
Sell
-1,004
Closed -$474K 89
2022
Q3
$474K Buy
1,004
+4
+0.4% +$1.89K 0.05% 29
2022
Q2
$479K Hold
1,000
0.05% 39
2022
Q1
$576K Hold
1,000
0.05% 68
2021
Q4
$568K Hold
1,000
0.05% 64
2021
Q3
$449K Hold
1,000
0.05% 68
2021
Q2
$396K Hold
1,000
0.04% 71
2021
Q1
$352K Hold
1,000
0.04% 70
2020
Q4
$377K Hold
1,000
0.05% 68
2020
Q3
$355K Hold
1,000
0.05% 63
2020
Q2
$303K Hold
1,000
0.05% 70
2020
Q1
$285K Hold
1,000
0.05% 71
2019
Q4
$294K Hold
1,000
0.04% 78
2019
Q3
$288K Hold
1,000
0.05% 77
2019
Q2
$264K Hold
1,000
0.04% 76
2019
Q1
$242K Buy
+1,000
New +$242K 0.07% 73