William Blair Investment Management’s MKS Inc. Common Stock MKSI Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Shares
Change %
Capital Flow Portfolio Weight Portfolio Position
2023
Q3
Sell
-1,028,945
Closed -$111M 410
2023
Q2
$111M Buy
1,028,945
+131,898
+15% +$14.3M 0.36% 93
2023
Q1
$79.5M Buy
897,047
+8,796
+1% +$780K 0.28% 109
2022
Q4
$75.3M Sell
888,251
-63,476
-7% -$5.38M 0.29% 106
2022
Q3
$78.7M Sell
951,727
-102,326
-10% -$8.46M 0.31% 100
2022
Q2
$108M Sell
1,054,053
-32,920
-3% -$3.38M 0.4% 89
2022
Q1
$163M Buy
1,086,973
+394,323
+57% +$59.1M 0.49% 71
2021
Q4
$121M Buy
692,650
+571,074
+470% +$99.5M 0.33% 102
2021
Q3
$18.3M Buy
121,576
+32,674
+37% +$4.93M 0.05% 323
2021
Q2
$15.8M Buy
+88,902
New +$15.8M 0.05% 241