ALLEGRO MICROSYSTEMS INC

Ticker: ALGM CUSIP: 01749D105 Class: Common Stock

Paloma Partners Management Co's Holding History (CIK: 0001103882)

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

Q3 2025

Shares 75,000 Value ($000) $2,190 Avg Close $32.34 Range $28.85 - $38.45

Q1 2025

Shares 708,968 Value ($000) $17,816 Avg Close $24.96 Range $21.16 - $29.45

Q4 2024

Shares 2,103,800 Value ($000) $45,989 Avg Close $21.30 Range $18.59 - $24.14

Q3 2024

Shares 509,630 Value ($000) $11,874 Avg Close $25.14 Range $20.42 - $33.26

Q3 2021

Shares 13,609 Value ($000) $435 Avg Close $29.47 Range $24.29 - $36.85

Q2 2021

Shares 20,021 Value ($000) $555 Avg Close $26.09 Range $22.05 - $28.27

Q4 2020

Shares 30,548 Value ($000) $814 Avg Close $24.19 Range $16.78 - $29.48

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2025	75,000	$2,190	$32.34	$28.85 - $38.45
Q1 2025	708,968	$17,816	$24.96	$21.16 - $29.45
Q4 2024	2,103,800	$45,989	$21.30	$18.59 - $24.14
Q3 2024	509,630	$11,874	$25.14	$20.42 - $33.26
Q3 2021	13,609	$435	$29.47	$24.29 - $36.85
Q2 2021	20,021	$555	$26.09	$22.05 - $28.27
Q4 2020	30,548	$814	$24.19	$16.78 - $29.48