ALLEGRO MICROSYSTEMS INC

Ticker: ALGM CUSIP: 01749D105 Class: Common Stock

PRELUDE CAPITAL MANAGEMENT, LLC's Holding History (CIK: 0001387508)

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

Q3 2025

Shares 22,728 Value ($000) $664 Avg Close $32.34 Range $28.85 - $38.45

Q1 2025

Shares 22,160 Value ($000) $557 Avg Close $24.96 Range $21.16 - $29.45

Q3 2024

Shares 23,863 Value ($000) $556 Avg Close $25.14 Range $20.42 - $33.26

Q2 2024

Shares 10,143 Value ($000) $286 Avg Close $28.47 Range $23.64 - $31.82

Q1 2024

Shares 21,737 Value ($000) $586 Avg Close $28.90 Range $25.00 - $32.63

Q2 2023

Shares 6,309 Value ($000) $285 Avg Close $40.49 Range $34.19 - $48.72

Q1 2023

Shares 7,655 Value ($000) $367 Avg Close $40.69 Range $28.84 - $48.30

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2025	22,728	$664	$32.34	$28.85 - $38.45
Q1 2025	22,160	$557	$24.96	$21.16 - $29.45
Q3 2024	23,863	$556	$25.14	$20.42 - $33.26
Q2 2024	10,143	$286	$28.47	$23.64 - $31.82
Q1 2024	21,737	$586	$28.90	$25.00 - $32.63
Q2 2023	6,309	$285	$40.49	$34.19 - $48.72
Q1 2023	7,655	$367	$40.69	$28.84 - $48.30