DRIEHAUS CAPITAL MANAGEMENT LLC - ASPEN TECHNOLOGY INC ownership

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ASPEN TECHNOLOGY INC's ticker is AZPN and the CUSIP is 045327103. A total of 252 filers reported holding ASPEN TECHNOLOGY INC in Q1 2014. The put-call ratio across all filers is 0.56 and the average weighting 0.2%.

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Quarter-by-quarter ownership
DRIEHAUS CAPITAL MANAGEMENT LLC ownership history of ASPEN TECHNOLOGY INC
ValueSharesWeighting
Q2 2015$1,516,000
+48.3%
33,284
+25.4%
0.05%
+48.6%
Q1 2015$1,022,000
-50.8%
26,548
-51.8%
0.04%
-55.7%
Q3 2014$2,076,000
+372.9%
55,046
+430.6%
0.08%
+464.3%
Q1 2014$439,000–10,375–0.01%–
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Other shareholders
ASPEN TECHNOLOGY INC shareholders Q1 2014
NameSharesValueWeighting ↓
Stuart Chaussee & Associates, Inc. 18$3,6770.00%
HUNTINGTON NATIONAL BANK 1$1940.00%
View complete list of ASPEN TECHNOLOGY INC shareholders