ADVANCED EMISSIONS SOLUTS IN

Ticker: ARQ CUSIP: 00770C101 Class: COM

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

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

Q4 2025
Shares 1,965 Value ($000) $6 Avg Close $4.89 Range $3.18 - $7.37
Q3 2025
Shares 2,070 Value ($000) $15 Avg Close $6.61 Range $5.11 - $7.89
Q2 2025
Shares 2,068 Value ($000) $11 Avg Close $4.38 Range $3.34 - $5.57
Q1 2025
Shares 2,068 Value ($000) $9 Avg Close $5.67 Range $4.01 - $7.63
Q4 2024
Shares 2,068 Value ($000) $16 Avg Close $6.58 Range $5.12 - $8.11
Q3 2024
Shares 1,791 Value ($000) $11 Avg Close $6.09 Range $4.69 - $7.15
Q2 2024
Shares 1,791 Value ($000) $11 Avg Close $6.90 Range $5.25 - $8.26
Q1 2021
Shares 23,899 Value ($000) $131 Avg Close $5.60 Range $4.63 - $6.64
Q4 2020
Shares 25,631 Value ($000) $141 Avg Close $5.09 Range $4.06 - $6.37
Q3 2020
Shares 25,631 Value ($000) $104 Avg Close $4.27 Range $3.52 - $5.10
Q2 2020
Shares 25,631 Value ($000) $124 Avg Close $5.76 Range $4.44 - $8.00
Q1 2020
Shares 25,631 Value ($000) $168 Avg Close $9.59 Range $4.45 - $12.38
Q4 2019
Shares 25,338 Value ($000) $266 Avg Close $11.53 Range $8.78 - $14.69
Q3 2019
Shares 25,338 Value ($000) $376 Avg Close $12.28 Range $10.78 - $14.34
Q2 2019
Shares 25,338 Value ($000) $320 Avg Close $11.51 Range $9.98 - $12.43
Q1 2019
Shares 28,870 Value ($000) $334 Avg Close $10.38 Range $9.12 - $11.21
Q4 2018
Shares 28,870 Value ($000) $305 Avg Close $9.19 Range $7.91 - $10.85
Q3 2018
Shares 28,870 Value ($000) $345 Avg Close $9.89 Range $9.48 - $10.53
Q2 2018
Shares 28,870 Value ($000) $328 Avg Close $9.49 Range $9.09 - $10.05
Q1 2018
Shares 30,575 Value ($000) $349 Avg Close $7.79 Range $5.72 - $9.89
Q4 2017
Shares 33,237 Value ($000) $321 Avg Close $8.59 Range $6.46 - $9.74
Q3 2017
Shares 33,237 Value ($000) $365 Avg Close $7.92 Range $6.87 - $9.08
Q2 2017
Shares 37,400 Value ($000) $343 Avg Close $7.11 Range $5.79 - $7.84
Q4 2014
Shares 40,273 Value ($000) $918 Avg Close $15.53 Range $14.40 - $17.84
Q3 2014
Shares 40,102 Value ($000) $853 Avg Close $16.46 Range $14.59 - $18.49
Q2 2014
Shares 42,994 Value ($000) $986 Avg Close $16.83 Range $13.29 - $19.84
Q1 2014
Shares 39,074 Value ($000) $959 Avg Close $19.55 Range $16.66 - $21.56
Q4 2013
Shares 19,437 Value ($000) $1,054 Avg Close $17.66 Range $13.54 - $22.08
Q3 2013
Shares 18,037 Value ($000) $771 Avg Close $15.59 Range $12.31 - $16.89