AVANTOR INC

Ticker: AVTR CUSIP: 05352A100 Class: EQTY

SEI INVESTMENTS CO's Holding History (CIK: 0000350894)

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

Q4 2025

Shares 5,241,143 Value ($000) $60,064 Avg Close $12.31 Range $10.62 - $15.93

Q3 2025

Shares 4,563,468 Value ($000) $56,952 Avg Close $12.88 Range $10.82 - $14.42

Q2 2025

Shares 4,406,159 Value ($000) $59,307 Avg Close $13.68 Range $11.82 - $16.29

Q1 2025

Shares 1,546,143 Value ($000) $25,063 Avg Close $18.94 Range $15.37 - $23.32

Q4 2024

Shares 1,454,500 Value ($000) $30,646 Avg Close $22.49 Range $19.59 - $26.14

Q3 2024

Shares 1,168,796 Value ($000) $30,237 Avg Close $24.55 Range $20.49 - $28.00

Q2 2024

Shares 979,944 Value ($000) $20,775 Avg Close $24.08 Range $20.98 - $26.11

Q1 2024

Shares 679,819 Value ($000) $17,383 Avg Close $23.79 Range $21.25 - $26.16

Q4 2023

Shares 586,942 Value ($000) $13,400 Avg Close $20.49 Range $16.63 - $23.36

Q3 2023

Shares 619,368 Value ($000) $13,056 Avg Close $21.27 Range $19.94 - $23.68

Q2 2023

Shares 1,017,006 Value ($000) $20,889 Avg Close $20.22 Range $18.25 - $21.97

Q1 2023

Shares 1,051,436 Value ($000) $22,227 Avg Close $22.79 Range $19.69 - $25.25

Q4 2022

Shares 715,265 Value ($000) $15,085 Avg Close $20.70 Range $17.91 - $23.00

Q3 2022

Shares 755,408 Value ($000) $14,806 Avg Close $26.79 Range $19.59 - $32.77

Q2 2022

Shares 795,719 Value ($000) $24,691 Avg Close $31.21 Range $28.64 - $34.37

Q1 2022

Shares 603,326 Value ($000) $20,431 Avg Close $35.67 Range $31.80 - $41.98

Q4 2021

Shares 596,607 Value ($000) $25,182 Avg Close $39.41 Range $36.50 - $42.48

Q3 2021

Shares 482,804 Value ($000) $19,789 Avg Close $39.07 Range $34.85 - $44.37

Q2 2021

Shares 445,909 Value ($000) $15,911 Avg Close $32.34 Range $29.01 - $36.31

Q1 2021

Shares 288,280 Value ($000) $8,301 Avg Close $28.87 Range $26.14 - $31.05

Q4 2020

Shares 151,541 Value ($000) $4,247 Avg Close $25.77 Range $21.75 - $28.98

Q3 2020

Shares 146,508 Value ($000) $3,183 Avg Close $20.79 Range $16.91 - $23.38

Q2 2020

Shares 102,280 Value ($000) $1,534 Avg Close $16.28 Range $11.51 - $19.50

Q1 2020

Shares 68,888 Value ($000) $855 Avg Close $16.03 Range $6.66 - $19.39

Q4 2019

Shares 20,102 Value ($000) $360 Avg Close $15.92 Range $13.33 - $18.84

Q3 2019

Shares 14,330 Value ($000) $211 Avg Close $16.94 Range $13.44 - $19.59

Q2 2019

Shares 10,300 Value ($000) $197 Avg Close $17.80 Range $14.00 - $19.20

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	5,241,143	$60,064	$12.31	$10.62 - $15.93
Q3 2025	4,563,468	$56,952	$12.88	$10.82 - $14.42
Q2 2025	4,406,159	$59,307	$13.68	$11.82 - $16.29
Q1 2025	1,546,143	$25,063	$18.94	$15.37 - $23.32
Q4 2024	1,454,500	$30,646	$22.49	$19.59 - $26.14
Q3 2024	1,168,796	$30,237	$24.55	$20.49 - $28.00
Q2 2024	979,944	$20,775	$24.08	$20.98 - $26.11
Q1 2024	679,819	$17,383	$23.79	$21.25 - $26.16
Q4 2023	586,942	$13,400	$20.49	$16.63 - $23.36
Q3 2023	619,368	$13,056	$21.27	$19.94 - $23.68
Q2 2023	1,017,006	$20,889	$20.22	$18.25 - $21.97
Q1 2023	1,051,436	$22,227	$22.79	$19.69 - $25.25
Q4 2022	715,265	$15,085	$20.70	$17.91 - $23.00
Q3 2022	755,408	$14,806	$26.79	$19.59 - $32.77
Q2 2022	795,719	$24,691	$31.21	$28.64 - $34.37
Q1 2022	603,326	$20,431	$35.67	$31.80 - $41.98
Q4 2021	596,607	$25,182	$39.41	$36.50 - $42.48
Q3 2021	482,804	$19,789	$39.07	$34.85 - $44.37
Q2 2021	445,909	$15,911	$32.34	$29.01 - $36.31
Q1 2021	288,280	$8,301	$28.87	$26.14 - $31.05
Q4 2020	151,541	$4,247	$25.77	$21.75 - $28.98
Q3 2020	146,508	$3,183	$20.79	$16.91 - $23.38
Q2 2020	102,280	$1,534	$16.28	$11.51 - $19.50
Q1 2020	68,888	$855	$16.03	$6.66 - $19.39
Q4 2019	20,102	$360	$15.92	$13.33 - $18.84
Q3 2019	14,330	$211	$16.94	$13.44 - $19.59
Q2 2019	10,300	$197	$17.80	$14.00 - $19.20