ADVANCED EMISSIONS SOLUTS IN

Ticker: ARQ CUSIP: 00770C101 Class: COM

DIMENSIONAL FUND ADVISORS LP's Holding History (CIK: 0000354204)

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

Q4 2025
Shares 919,640 Value ($000) $3,007 Avg Close $4.89 Range $3.18 - $7.37
Q3 2025
Shares 856,652 Value ($000) $6,134 Avg Close $6.61 Range $5.11 - $7.89
Q2 2025
Shares 774,668 Value ($000) $4,160 Avg Close $4.38 Range $3.34 - $5.57
Q1 2025
Shares 660,566 Value ($000) $2,755 Avg Close $5.67 Range $4.01 - $7.63
Q4 2024
Shares 449,312 Value ($000) $3,401 Avg Close $6.58 Range $5.12 - $8.11
Q3 2024
Shares 271,762 Value ($000) $1,595 Avg Close $6.09 Range $4.69 - $7.15
Q2 2024
Shares 251,130 Value ($000) $1,524 Avg Close $6.90 Range $5.25 - $8.26
Q1 2024
Shares 225,564 Value ($000) $1,462 Avg Close $3.73 Range $2.50 - $7.26
Q4 2023
Shares 188,516 Value ($000) $562 Avg Close $2.23 Range $1.60 - $3.03
Q3 2023
Shares 196,440 Value ($000) $350 Avg Close $1.95 Range $1.50 - $2.93
Q2 2023
Shares 304,490 Value ($000) $566 Avg Close $1.66 Range $1.17 - $2.17
Q1 2023
Shares 393,644 Value ($000) $779 Avg Close $2.71 Range $1.70 - $3.78
Q4 2022
Shares 431,038 Value ($000) $1 Avg Close $2.72 Range $2.11 - $3.26
Q3 2022
Shares 512,056 Value ($000) $1,398 Avg Close $4.23 Range $2.73 - $6.43
Q2 2022
Shares 518,098 Value ($000) $2,430 Avg Close $5.44 Range $4.50 - $6.70
Q1 2022
Shares 376,091 Value ($000) $2,339 Avg Close $6.34 Range $5.40 - $7.25
Q4 2021
Shares 284,286 Value ($000) $1,882 Avg Close $6.69 Range $6.10 - $8.00
Q3 2021
Shares 216,005 Value ($000) $1,380 Avg Close $6.88 Range $5.71 - $8.19
Q2 2021
Shares 184,876 Value ($000) $1,370 Avg Close $6.16 Range $4.60 - $8.41
Q1 2021
Shares 164,187 Value ($000) $903 Avg Close $5.60 Range $4.63 - $6.64
Q4 2020
Shares 90,132 Value ($000) $496 Avg Close $5.09 Range $4.06 - $6.37
Q3 2020
Shares 65,768 Value ($000) $267 Avg Close $4.27 Range $3.52 - $5.10
Q2 2020
Shares 65,768 Value ($000) $319 Avg Close $5.76 Range $4.44 - $8.00
Q1 2020
Shares 66,915 Value ($000) $440 Avg Close $9.59 Range $4.45 - $12.38
Q4 2019
Shares 71,780 Value ($000) $754 Avg Close $11.53 Range $8.78 - $14.69
Q3 2019
Shares 73,577 Value ($000) $1,092 Avg Close $12.28 Range $10.78 - $14.34
Q2 2019
Shares 73,577 Value ($000) $930 Avg Close $11.51 Range $9.98 - $12.43
Q1 2019
Shares 73,577 Value ($000) $851 Avg Close $10.38 Range $9.12 - $11.21
Q4 2018
Shares 73,577 Value ($000) $776 Avg Close $9.19 Range $7.91 - $10.85
Q3 2018
Shares 73,577 Value ($000) $880 Avg Close $9.89 Range $9.48 - $10.53
Q2 2018
Shares 17,809 Value ($000) $202 Avg Close $9.49 Range $9.09 - $10.05
Q1 2018
Shares 17,809 Value ($000) $203 Avg Close $7.79 Range $5.72 - $9.89
Q4 2017
Shares 17,809 Value ($000) $172 Avg Close $8.59 Range $6.46 - $9.74
Q3 2017
Shares 18,809 Value ($000) $206 Avg Close $7.92 Range $6.87 - $9.08