AVANTOR INC

Ticker: AVTR CUSIP: 05352A100 Class: EQTY

STATE OF MICHIGAN RETIREMENT SYSTEM's Holding History (CIK: 0000762152)

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

Q4 2025

Shares 161,100 Value ($000) $1,846 Avg Close $12.31 Range $10.62 - $15.93

Q3 2025

Shares 162,300 Value ($000) $2,026 Avg Close $12.88 Range $10.82 - $14.42

Q2 2025

Shares 163,800 Value ($000) $2,205 Avg Close $13.68 Range $11.82 - $16.29

Q1 2025

Shares 163,000 Value ($000) $2,642 Avg Close $18.94 Range $15.37 - $23.32

Q4 2024

Shares 161,200 Value ($000) $3,396 Avg Close $22.49 Range $19.59 - $26.14

Q3 2024

Shares 161,400 Value ($000) $4,175 Avg Close $24.55 Range $20.49 - $28.00

Q3 2021

Shares 84,000 Value ($000) $3,436 Avg Close $39.07 Range $34.85 - $44.37

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	161,100	$1,846	$12.31	$10.62 - $15.93
Q3 2025	162,300	$2,026	$12.88	$10.82 - $14.42
Q2 2025	163,800	$2,205	$13.68	$11.82 - $16.29
Q1 2025	163,000	$2,642	$18.94	$15.37 - $23.32
Q4 2024	161,200	$3,396	$22.49	$19.59 - $26.14
Q3 2024	161,400	$4,175	$24.55	$20.49 - $28.00
Q3 2021	84,000	$3,436	$39.07	$34.85 - $44.37