ALLEGRO MICROSYSTEMS INC

Ticker: ALGM CUSIP: 01749D105 Class: Common Stock

DRIEHAUS CAPITAL MANAGEMENT LLC's Holding History (CIK: 0000938206)

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

Q1 2023

Shares 475,386 Value ($000) $22,814 Avg Close $40.69 Range $28.84 - $48.30

Q4 2022

Shares 467,029 Value ($000) $14,020 Avg Close $27.28 Range $19.80 - $34.14

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2023	475,386	$22,814	$40.69	$28.84 - $48.30
Q4 2022	467,029	$14,020	$27.28	$19.80 - $34.14