ALLEGRO MICROSYSTEMS INC

Ticker: ALGM CUSIP: 01749D105 Class: Common Stock

WESTFIELD CAPITAL MANAGEMENT CO LP's Holding History (CIK: 0001177719)

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

Q1 2025

Shares 303,672 Value ($000) $7,631 Avg Close $24.96 Range $21.16 - $29.45

Q4 2024

Shares 2,247,672 Value ($000) $49,134 Avg Close $21.30 Range $18.59 - $24.14

Q3 2024

Shares 2,014,481 Value ($000) $46,937 Avg Close $25.14 Range $20.42 - $33.26

Q2 2024

Shares 1,303,296 Value ($000) $36,805 Avg Close $28.47 Range $23.64 - $31.82

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2025	303,672	$7,631	$24.96	$21.16 - $29.45
Q4 2024	2,247,672	$49,134	$21.30	$18.59 - $24.14
Q3 2024	2,014,481	$46,937	$25.14	$20.42 - $33.26
Q2 2024	1,303,296	$36,805	$28.47	$23.64 - $31.82