AVANTOR INC

Ticker: AVTR CUSIP: 05352A100 Class: EQTY

CenterBook Partners LP's Holding History (CIK: 0001872738)

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

Q4 2025

Shares 231,253 Value ($000) $2,650 Avg Close $12.31 Range $10.62 - $15.93

Q3 2025

Shares 145,913 Value ($000) $1,821 Avg Close $12.88 Range $10.82 - $14.42

Q2 2025

Shares 126,169 Value ($000) $1,698 Avg Close $13.68 Range $11.82 - $16.29

Q1 2025

Shares 159,663 Value ($000) $2,588 Avg Close $18.94 Range $15.37 - $23.32

Q4 2024

Shares 70,862 Value ($000) $1,493 Avg Close $22.49 Range $19.59 - $26.14

Q3 2024

Shares 88,187 Value ($000) $2,281 Avg Close $24.55 Range $20.49 - $28.00

Q2 2024

Shares 146,962 Value ($000) $3,116 Avg Close $24.08 Range $20.98 - $26.11

Q1 2024

Shares 274,024 Value ($000) $7,007 Avg Close $23.79 Range $21.25 - $26.16

Q4 2023

Shares 199,830 Value ($000) $4,562 Avg Close $20.49 Range $16.63 - $23.36

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	231,253	$2,650	$12.31	$10.62 - $15.93
Q3 2025	145,913	$1,821	$12.88	$10.82 - $14.42
Q2 2025	126,169	$1,698	$13.68	$11.82 - $16.29
Q1 2025	159,663	$2,588	$18.94	$15.37 - $23.32
Q4 2024	70,862	$1,493	$22.49	$19.59 - $26.14
Q3 2024	88,187	$2,281	$24.55	$20.49 - $28.00
Q2 2024	146,962	$3,116	$24.08	$20.98 - $26.11
Q1 2024	274,024	$7,007	$23.79	$21.25 - $26.16
Q4 2023	199,830	$4,562	$20.49	$16.63 - $23.36