WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC - ASPEN TECHNOLOGY INC ownership

ASPEN TECHNOLOGY INC's ticker is AZPN and the CUSIP is 045327103. A total of 356 filers reported holding ASPEN TECHNOLOGY INC in Q4 2020. The put-call ratio across all filers is 1.59 and the average weighting 0.2%.

Quarter-by-quarter ownership
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC ownership history of ASPEN TECHNOLOGY INC
ValueSharesWeighting
Q2 2021$208,604,000
-6.6%
1,516,682
-2.0%
0.66%
-9.4%
Q1 2021$223,274,000
+11.6%
1,546,971
+0.7%
0.72%
+8.6%
Q4 2020$200,083,000
+0.3%
1,536,148
-2.5%
0.67%
-14.3%
Q3 2020$199,426,000
+20.2%
1,575,368
-1.6%
0.78%
+15.1%
Q2 2020$165,855,000
+11.1%
1,600,758
+1.9%
0.68%
-7.2%
Q1 2020$149,319,000
-17.4%
1,570,625
+5.0%
0.73%
+0.8%
Q4 2019$180,850,000
-7.8%
1,495,493
-6.2%
0.72%
-14.1%
Q3 2019$196,234,000
+1.1%
1,594,358
+2.1%
0.84%
+2.9%
Q2 2019$194,149,000
+17.7%
1,562,187
-1.3%
0.82%
+17.4%
Q1 2019$165,010,000
+67.8%
1,582,680
+32.3%
0.69%
+42.2%
Q4 2018$98,312,000
-28.6%
1,196,304
-1.0%
0.49%
+2.5%
Q3 2018$137,611,000
+51.2%
1,208,072
+23.1%
0.48%
+40.4%
Q2 2018$91,004,000
+2699.3%
981,276
+1044.3%
0.34%
+4742.9%
Q3 2015$3,251,00085,7550.01%
Other shareholders
ASPEN TECHNOLOGY INC shareholders Q4 2020
NameSharesValueWeighting ↓
Nekton Capital Ltd. 104,607$15,921,0009.64%
Standard Investments LLC 2,439,000$371,216,0009.45%
Two Creeks Capital Management, LP 917,504$139,644,0007.14%
KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC 6,702,004$1,020,045,0002.35%
MANGROVE PARTNERS IM, LLC 214,218$32,604,0001.94%
LRT Capital Management, LLC 15,778$2,401,0001.83%
Buttonwood Financial Advisors Inc. 12,155$1,850,0001.81%
Snider Financial Group 27,744$4,226,0001.79%
HOWLAND CAPITAL MANAGEMENT LLC 208,529$31,738,0001.61%
WILKINS INVESTMENT COUNSEL INC 45,415$6,912,0001.53%
View complete list of ASPEN TECHNOLOGY INC shareholders