ASPEN TECHNOLOGY INC's ticker is and the CUSIP is 45327103. A total of 3 filers reported holding ASPEN TECHNOLOGY INC in Q4 2015. The put-call ratio across all filers is - and the average weighting 0.4%.
Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| HOWLAND CAPITAL MANAGEMENT LLC | 225,064 | $8,498,000 | 0.86% |
| COLONY GROUP LLC | 58,520 | $2,210,000 | 0.20% |
| CANADA PENSION PLAN INVESTMENT BOARD | 10,400 | $393,000 | 0.00% |