ECOVYST INC

Ticker: ECVT CUSIP: 27923Q109 Class: EQTY

WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC's Holding History (CIK: 0001644956)

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

Q4 2025
Shares 2,728,749 Value ($000) $26,551 Avg Close $8.73 Range $7.41 - $10.01
Q3 2025
Shares 3,014,160 Value ($000) $26,404 Avg Close $8.81 Range $7.38 - $9.69
Q2 2025
Shares 3,196,902 Value ($000) $26,311 Avg Close $7.02 Range $5.24 - $8.64
Q1 2025
Shares 3,461,316 Value ($000) $21,460 Avg Close $7.40 Range $6.08 - $8.53
Q4 2024
Shares 3,601,346 Value ($000) $27,514 Avg Close $7.39 Range $6.08 - $8.67
Q3 2024
Shares 3,534,008 Value ($000) $24,208 Avg Close $7.62 Range $6.02 - $9.91
Q2 2024
Shares 3,642,673 Value ($000) $32,675 Avg Close $9.67 Range $8.62 - $11.21
Q1 2024
Shares 3,650,404 Value ($000) $40,702 Avg Close $9.46 Range $8.70 - $11.35
Q4 2023
Shares 3,316,400 Value ($000) $32,401 Avg Close $9.52 Range $8.26 - $10.27
Q3 2023
Shares 3,370,609 Value ($000) $33,167 Avg Close $10.69 Range $9.44 - $12.35
Q2 2023
Shares 3,240,399 Value ($000) $37,135 Avg Close $10.88 Range $9.85 - $11.75