ALLEGRO MICROSYSTEMS INC

Ticker: ALGM CUSIP: 01749D105 Class: Common Stock

ACADIAN ASSET MANAGEMENT LLC's Holding History (CIK: 0000916542)

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

Q4 2025

Shares 4,807 Value ($000) $0 Avg Close $27.52 Range $22.41 - $33.84

Q3 2025

Shares 48,240 Value ($000) $1 Avg Close $32.34 Range $28.85 - $38.45

Q2 2023

Shares 1,821 Value ($000) $0 Avg Close $40.49 Range $34.19 - $48.72

Q1 2023

Shares 1,821 Value ($000) $0 Avg Close $40.69 Range $28.84 - $48.30

Q4 2022

Shares 1,821 Value ($000) $0 Avg Close $27.28 Range $19.80 - $34.14

Q4 2021

Shares 11,880 Value ($000) $429 Avg Close $32.55 Range $29.41 - $38.28

Q1 2021

Shares 3,859 Value ($000) $98 Avg Close $28.59 Range $23.39 - $34.66

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	4,807	$0	$27.52	$22.41 - $33.84
Q3 2025	48,240	$1	$32.34	$28.85 - $38.45
Q2 2023	1,821	$0	$40.49	$34.19 - $48.72
Q1 2023	1,821	$0	$40.69	$28.84 - $48.30
Q4 2022	1,821	$0	$27.28	$19.80 - $34.14
Q4 2021	11,880	$429	$32.55	$29.41 - $38.28
Q1 2021	3,859	$98	$28.59	$23.39 - $34.66