William Blair Investment Management’s ASPEN TECHNOLOGY INC AZPN Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Shares
Change %
Capital Flow Portfolio Weight Portfolio Position
2021
Q3
Sell
-1,516,682
Closed -$209M 520
2021
Q2
$209M Sell
1,516,682
-30,289
-2% -$4.17M 0.65% 55
2021
Q1
$223M Buy
1,546,971
+10,823
+0.7% +$1.56M 0.72% 44
2020
Q4
$200M Sell
1,536,148
-39,220
-2% -$5.11M 0.67% 56
2020
Q3
$199M Sell
1,575,368
-25,390
-2% -$3.21M 0.78% 38
2020
Q2
$166M Buy
1,600,758
+30,133
+2% +$3.12M 0.68% 54
2020
Q1
$149M Buy
1,570,625
+75,132
+5% +$7.14M 0.73% 41
2019
Q4
$181M Sell
1,495,493
-98,865
-6% -$12M 0.72% 43
2019
Q3
$196M Buy
1,594,358
+32,171
+2% +$3.96M 0.84% 31
2019
Q2
$194M Sell
1,562,187
-20,493
-1% -$2.55M 0.81% 35
2019
Q1
$165M Buy
1,582,680
+386,376
+32% +$40.3M 0.69% 46
2018
Q4
$98.3M Sell
1,196,304
-11,768
-1% -$967K 0.49% 66
2018
Q3
$138M Buy
1,208,072
+226,796
+23% +$25.8M 0.48% 70
2018
Q2
$91M Buy
+981,276
New +$91M 0.34% 97
2015
Q4
Sell
-85,755
Closed -$3.25M 492
2015
Q3
$3.25M Buy
+85,755
New +$3.25M 0.01% 833