William Blair Investment Management, LLC ASPEN TECHNOLOGY INC Transaction History

William Blair Investment Management, LLC

$32.7 Billion
Q1 2025

Shares

14 transactions

Quarter	Operation	Price Per share	shares change	shares Held	SEC Form
Q3 2021 Nov 10, 2021	SELL	N/A	-1,516,682 Closed	0 $0
Q2 2021 Aug 12, 2021	SELL	N/A	-30,289 Reduced 1.96%	1,516,682 $209 Million
Q1 2021 May 13, 2021	BUY	N/A	10,823 Added 0.7%	1,546,971 $223 Million
Q4 2020 Feb 09, 2021	SELL	N/A	-39,220 Reduced 2.49%	1,536,148 $200 Million
Q3 2020 Nov 06, 2020	SELL	N/A	-25,390 Reduced 1.59%	1,575,368 $199 Million
Q2 2020 Aug 12, 2020	BUY	N/A	30,133 Added 1.92%	1,600,758 $166 Million
Q1 2020 May 08, 2020	BUY	N/A	75,132 Added 5.02%	1,570,625 $149 Million
Q4 2019 Feb 12, 2020	SELL	N/A	-98,865 Reduced 6.2%	1,495,493 $181 Million
Q3 2019 Nov 12, 2019	BUY	N/A	32,171 Added 2.06%	1,594,358 $196 Million
Q2 2019 Aug 09, 2019	SELL	N/A	-20,493 Reduced 1.29%	1,562,187 $194 Million
Q1 2019 May 10, 2019	BUY	N/A	386,376 Added 32.3%	1,582,680 $165 Million
Q4 2018 Feb 13, 2019	SELL	N/A	-11,768 Reduced 0.97%	1,196,304 $98.3 Million
Q3 2018 Nov 13, 2018	BUY	N/A	226,796 Added 23.11%	1,208,072 $138 Million
Q2 2018 Aug 14, 2018	BUY	N/A	981,276 New	981,276 $91 Million

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