ASPEN TECHNOLOGY INC

CUSIP: 045327103 Class: COM

BAMCO INC /NY/'s Holding History (CIK: 0001017918)

Note: Option positions (PUT/CALL) are excluded.

Q2 2022
Shares 580,685 Value ($000) $106,660 Avg Close — Range —
Q1 2022
Shares 1,245,459 Value ($000) $205,962 Avg Close — Range —
Q4 2021
Shares 1,247,952 Value ($000) $189,938 Avg Close — Range —
Q3 2021
Shares 1,254,555 Value ($000) $154,059 Avg Close — Range —
Q2 2021
Shares 1,245,039 Value ($000) $171,243 Avg Close — Range —
Q1 2021
Shares 1,245,532 Value ($000) $179,768 Avg Close — Range —
Q4 2020
Shares 1,251,915 Value ($000) $163,062 Avg Close — Range —
Q3 2020
Shares 1,254,063 Value ($000) $158,752 Avg Close — Range —
Q2 2020
Shares 1,254,157 Value ($000) $129,943 Avg Close — Range —
Q1 2020
Shares 1,249,525 Value ($000) $118,792 Avg Close — Range —
Q4 2019
Shares 1,273,841 Value ($000) $154,046 Avg Close — Range —
Q3 2019
Shares 1,222,442 Value ($000) $150,458 Avg Close — Range —
Q2 2019
Shares 1,206,716 Value ($000) $149,971 Avg Close — Range —
Q1 2019
Shares 1,187,766 Value ($000) $123,836 Avg Close — Range —
Q4 2018
Shares 1,106,204 Value ($000) $90,908 Avg Close — Range —
Q3 2018
Shares 825,400 Value ($000) $94,021 Avg Close — Range —
Q2 2018
Shares 831,000 Value ($000) $77,067 Avg Close — Range —
Q1 2018
Shares 883,000 Value ($000) $69,660 Avg Close — Range —
Q4 2017
Shares 883,500 Value ($000) $58,488 Avg Close — Range —
Q3 2017
Shares 885,900 Value ($000) $55,643 Avg Close — Range —
Q2 2017
Shares 885,900 Value ($000) $48,955 Avg Close — Range —
Q1 2017
Shares 1,042,400 Value ($000) $61,418 Avg Close — Range —
Q4 2016
Shares 1,247,800 Value ($000) $68,230 Avg Close — Range —
Q3 2016
Shares 1,251,600 Value ($000) $58,562 Avg Close — Range —
Q2 2016
Shares 1,251,600 Value ($000) $50,364 Avg Close — Range —
Q1 2016
Shares 898,400 Value ($000) $32,459 Avg Close — Range —
Q4 2015
Shares 890,576 Value ($000) $33,628 Avg Close — Range —
Q3 2015
Shares 133,138 Value ($000) $5,047 Avg Close — Range —