ALLEGRO MICROSYSTEMS INC

Ticker: ALGM CUSIP: 01749D105 Class: Common Stock

Magnetar Financial LLC's Holding History (CIK: 0001352851)

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

Q3 2025

Shares 31,907 Value ($000) $932 Avg Close $32.34 Range $28.85 - $38.45

Q1 2024

Shares 10,210 Value ($000) $275 Avg Close $28.90 Range $25.00 - $32.63

Q4 2023

Shares 10,819 Value ($000) $327 Avg Close $28.56 Range $24.66 - $32.19

Q2 2023

Shares 12,269 Value ($000) $554 Avg Close $40.49 Range $34.19 - $48.72

Q1 2021

Shares 15,170 Value ($000) $385 Avg Close $28.59 Range $23.39 - $34.66

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2025	31,907	$932	$32.34	$28.85 - $38.45
Q1 2024	10,210	$275	$28.90	$25.00 - $32.63
Q4 2023	10,819	$327	$28.56	$24.66 - $32.19
Q2 2023	12,269	$554	$40.49	$34.19 - $48.72
Q1 2021	15,170	$385	$28.59	$23.39 - $34.66