ASPEN TECHNOLOGY INC

CUSIP: 045327103 Class: COM

CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM's Holding History (CIK: 0001081019)

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

Q1 2022
Shares 85,824 Value ($000) $14,193 Avg Close — Range —
Q4 2021
Shares 93,380 Value ($000) $14,212 Avg Close — Range —
Q3 2021
Shares 114,981 Value ($000) $14,120 Avg Close — Range —
Q2 2021
Shares 118,185 Value ($000) $16,255 Avg Close — Range —
Q1 2021
Shares 120,860 Value ($000) $17,444 Avg Close — Range —
Q4 2020
Shares 121,485 Value ($000) $15,823 Avg Close — Range —
Q3 2020
Shares 119,067 Value ($000) $15,073 Avg Close — Range —
Q2 2020
Shares 116,196 Value ($000) $12,039 Avg Close — Range —
Q1 2020
Shares 115,747 Value ($000) $11,004 Avg Close — Range —
Q4 2019
Shares 118,796 Value ($000) $14,366 Avg Close — Range —
Q3 2019
Shares 111,022 Value ($000) $13,665 Avg Close — Range —
Q2 2019
Shares 109,700 Value ($000) $13,634 Avg Close — Range —
Q1 2019
Shares 110,343 Value ($000) $11,504 Avg Close — Range —
Q4 2018
Shares 112,816 Value ($000) $9,271 Avg Close — Range —
Q3 2018
Shares 110,342 Value ($000) $12,569 Avg Close — Range —
Q2 2018
Shares 110,378 Value ($000) $10,236 Avg Close — Range —
Q1 2018
Shares 111,433 Value ($000) $8,791 Avg Close — Range —
Q4 2017
Shares 115,340 Value ($000) $7,636 Avg Close — Range —
Q3 2017
Shares 120,232 Value ($000) $7,552 Avg Close — Range —
Q2 2017
Shares 133,020 Value ($000) $7,351 Avg Close — Range —
Q1 2017
Shares 153,654 Value ($000) $9,053 Avg Close — Range —
Q4 2016
Shares 160,954 Value ($000) $8,801 Avg Close — Range —
Q3 2016
Shares 175,154 Value ($000) $8,195 Avg Close — Range —
Q2 2016
Shares 173,654 Value ($000) $6,988 Avg Close — Range —
Q1 2016
Shares 181,441 Value ($000) $6,555 Avg Close — Range —
Q4 2015
Shares 158,203 Value ($000) $5,974 Avg Close — Range —
Q3 2015
Shares 155,743 Value ($000) $5,904 Avg Close — Range —
Q2 2015
Shares 155,943 Value ($000) $7,103 Avg Close — Range —
Q1 2015
Shares 168,578 Value ($000) $6,489 Avg Close — Range —
Q4 2014
Shares 171,578 Value ($000) $6,009 Avg Close — Range —
Q3 2014
Shares 169,952 Value ($000) $6,411 Avg Close — Range —
Q2 2014
Shares 171,177 Value ($000) $7,943 Avg Close — Range —
Q1 2014
Shares 170,487 Value ($000) $7,222 Avg Close — Range —
Q4 2013
Shares 169,687 Value ($000) $7,093 Avg Close — Range —
Q3 2013
Shares 168,487 Value ($000) $5,821 Avg Close — Range —
Q2 2013
Shares 163,295 Value ($000) $4,701 Avg Close — Range —
Q1 2013
Shares 162,679 Value ($000) $5,253 Avg Close — Range —