ALLEGRO MICROSYSTEMS INC

Ticker: ALGM CUSIP: 01749D105 Class: Common Stock

GROUP ONE TRADING, L.P.'s Holding History (CIK: 0000932540)

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

Q3 2025
Shares 7,177 Value ($000) $210 Avg Close $32.34 Range $28.85 - $38.45
Q2 2025
Shares 52,861 Value ($000) $1,807 Avg Close $24.91 Range $16.38 - $34.30
Q1 2025
Shares 44,285 Value ($000) $1,113 Avg Close $24.96 Range $21.16 - $29.45
Q4 2024
Shares 34,900 Value ($000) $763 Avg Close $21.30 Range $18.59 - $24.14
Q2 2024
Shares 3,966 Value ($000) $112 Avg Close $28.47 Range $23.64 - $31.82
Q1 2024
Shares 1,182 Value ($000) $32 Avg Close $28.90 Range $25.00 - $32.63
Q4 2023
Shares 3,560 Value ($000) $108 Avg Close $28.56 Range $24.66 - $32.19
Q1 2023
Shares 14,884 Value ($000) $714 Avg Close $40.69 Range $28.84 - $48.30
Q1 2022
Shares 800 Value ($000) $23 Avg Close $28.58 Range $24.81 - $37.29
Q4 2021
Shares 800 Value ($000) $29 Avg Close $32.55 Range $29.41 - $38.28
Q3 2021
Shares 1,900 Value ($000) $61 Avg Close $29.47 Range $24.29 - $36.85
Q2 2021
Shares 1,300 Value ($000) $36 Avg Close $26.09 Range $22.05 - $28.27
Q1 2021
Shares 1,759 Value ($000) $45 Avg Close $28.59 Range $23.39 - $34.66