AVANTOR INC

Ticker: AVTR CUSIP: 05352A100 Class: EQTY

OPPENHEIMER ASSET MANAGEMENT INC.'s Holding History (CIK: 0001269119)

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

Q4 2025

Shares 141,017 Value ($000) $1,616 Avg Close $12.31 Range $10.62 - $15.93

Q3 2025

Shares 178,858 Value ($000) $2,232 Avg Close $12.88 Range $10.82 - $14.42

Q2 2025

Shares 140,302 Value ($000) $1,888 Avg Close $13.68 Range $11.82 - $16.29

Q1 2025

Shares 124,101 Value ($000) $2,012 Avg Close $18.94 Range $15.37 - $23.32

Q4 2024

Shares 109,340 Value ($000) $2,304 Avg Close $22.49 Range $19.59 - $26.14

Q3 2024

Shares 93,139 Value ($000) $2,410 Avg Close $24.55 Range $20.49 - $28.00

Q2 2024

Shares 95,830 Value ($000) $2,032 Avg Close $24.08 Range $20.98 - $26.11

Q1 2024

Shares 96,688 Value ($000) $2,472 Avg Close $23.79 Range $21.25 - $26.16

Q4 2023

Shares 101,186 Value ($000) $2,310 Avg Close $20.49 Range $16.63 - $23.36

Q3 2023

Shares 99,157 Value ($000) $2,090 Avg Close $21.27 Range $19.94 - $23.68

Q2 2023

Shares 101,179 Value ($000) $2,078 Avg Close $20.22 Range $18.25 - $21.97

Q1 2023

Shares 68,353 Value ($000) $1,445 Avg Close $22.79 Range $19.69 - $25.25

Q4 2022

Shares 69,759 Value ($000) $1,471 Avg Close $20.70 Range $17.91 - $23.00

Q3 2022

Shares 19,400 Value ($000) $380 Avg Close $26.79 Range $19.59 - $32.77

Q2 2022

Shares 18,582 Value ($000) $578 Avg Close $31.21 Range $28.64 - $34.37

Q1 2022

Shares 17,156 Value ($000) $580 Avg Close $35.67 Range $31.80 - $41.98

Q4 2021

Shares 18,695 Value ($000) $788 Avg Close $39.41 Range $36.50 - $42.48

Q3 2021

Shares 18,659 Value ($000) $763 Avg Close $39.07 Range $34.85 - $44.37

Q2 2021

Shares 20,369 Value ($000) $723 Avg Close $32.34 Range $29.01 - $36.31

Q1 2021

Shares 22,671 Value ($000) $655 Avg Close $28.87 Range $26.14 - $31.05

Q4 2020

Shares 28,107 Value ($000) $791 Avg Close $25.77 Range $21.75 - $28.98

Q3 2020

Shares 27,961 Value ($000) $629 Avg Close $20.79 Range $16.91 - $23.38

Q1 2020

Shares 13,625 Value ($000) $170 Avg Close $16.03 Range $6.66 - $19.39

Q4 2019

Shares 11,949 Value ($000) $217 Avg Close $15.92 Range $13.33 - $18.84

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	141,017	$1,616	$12.31	$10.62 - $15.93
Q3 2025	178,858	$2,232	$12.88	$10.82 - $14.42
Q2 2025	140,302	$1,888	$13.68	$11.82 - $16.29
Q1 2025	124,101	$2,012	$18.94	$15.37 - $23.32
Q4 2024	109,340	$2,304	$22.49	$19.59 - $26.14
Q3 2024	93,139	$2,410	$24.55	$20.49 - $28.00
Q2 2024	95,830	$2,032	$24.08	$20.98 - $26.11
Q1 2024	96,688	$2,472	$23.79	$21.25 - $26.16
Q4 2023	101,186	$2,310	$20.49	$16.63 - $23.36
Q3 2023	99,157	$2,090	$21.27	$19.94 - $23.68
Q2 2023	101,179	$2,078	$20.22	$18.25 - $21.97
Q1 2023	68,353	$1,445	$22.79	$19.69 - $25.25
Q4 2022	69,759	$1,471	$20.70	$17.91 - $23.00
Q3 2022	19,400	$380	$26.79	$19.59 - $32.77
Q2 2022	18,582	$578	$31.21	$28.64 - $34.37
Q1 2022	17,156	$580	$35.67	$31.80 - $41.98
Q4 2021	18,695	$788	$39.41	$36.50 - $42.48
Q3 2021	18,659	$763	$39.07	$34.85 - $44.37
Q2 2021	20,369	$723	$32.34	$29.01 - $36.31
Q1 2021	22,671	$655	$28.87	$26.14 - $31.05
Q4 2020	28,107	$791	$25.77	$21.75 - $28.98
Q3 2020	27,961	$629	$20.79	$16.91 - $23.38
Q1 2020	13,625	$170	$16.03	$6.66 - $19.39
Q4 2019	11,949	$217	$15.92	$13.33 - $18.84