AVANTOR INC

Ticker: AVTR CUSIP: 05352A100 Class: EQTY

Chesley Taft & Associates LLC's Holding History (CIK: 0001164632)

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

Q2 2023
Shares 36,445 Value ($000) $749 Avg Close $20.22 Range $18.25 - $21.97
Q1 2023
Shares 36,935 Value ($000) $781 Avg Close $22.79 Range $19.69 - $25.25
Q4 2022
Shares 36,935 Value ($000) $779 Avg Close $20.70 Range $17.91 - $23.00
Q3 2022
Shares 36,935 Value ($000) $724 Avg Close $26.79 Range $19.59 - $32.77
Q2 2022
Shares 37,010 Value ($000) $1,151 Avg Close $31.21 Range $28.64 - $34.37
Q1 2022
Shares 37,510 Value ($000) $1,139 Avg Close $35.67 Range $31.80 - $41.98
Q4 2021
Shares 37,510 Value ($000) $1,581 Avg Close $39.41 Range $36.50 - $42.48
Q3 2021
Shares 37,510 Value ($000) $1,534 Avg Close $39.07 Range $34.85 - $44.37
Q2 2021
Shares 37,510 Value ($000) $1,332 Avg Close $32.34 Range $29.01 - $36.31
Q1 2021
Shares 37,510 Value ($000) $1,134 Avg Close $28.87 Range $26.14 - $31.05
Q4 2020
Shares 37,510 Value ($000) $1,056 Avg Close $25.77 Range $21.75 - $28.98
Q3 2020
Shares 37,335 Value ($000) $840 Avg Close $20.79 Range $16.91 - $23.38