ALLEGRO MICROSYSTEMS INC

Ticker: ALGM CUSIP: 01749D105 Class: Common Stock

MARSHALL WACE, LLP's Holding History (CIK: 0001318757)

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

Q4 2025

Shares 714,579 Value ($000) $18,851 Avg Close $27.52 Range $22.41 - $33.84

Q3 2025

Shares 138,086 Value ($000) $4,032 Avg Close $32.34 Range $28.85 - $38.45

Q4 2024

Shares 62,737 Value ($000) $1,371 Avg Close $21.30 Range $18.59 - $24.14

Q4 2021

Shares 35,734 Value ($000) $1,293 Avg Close $32.55 Range $29.41 - $38.28

Q2 2021

Shares 52,047 Value ($000) $1,442 Avg Close $26.09 Range $22.05 - $28.27

Q1 2021

Shares 118,344 Value ($000) $3,001 Avg Close $28.59 Range $23.39 - $34.66

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	714,579	$18,851	$27.52	$22.41 - $33.84
Q3 2025	138,086	$4,032	$32.34	$28.85 - $38.45
Q4 2024	62,737	$1,371	$21.30	$18.59 - $24.14
Q4 2021	35,734	$1,293	$32.55	$29.41 - $38.28
Q2 2021	52,047	$1,442	$26.09	$22.05 - $28.27
Q1 2021	118,344	$3,001	$28.59	$23.39 - $34.66