AXCELIS TECHNOLOGIES INC

Ticker: ACLS CUSIP: 054540208 Class: EQTY

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

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

Q4 2025
Shares 166 Value ($000) $13 Avg Close $83.73 Range $73.60 - $98.35
Q3 2025
Shares 1,399 Value ($000) $137 Avg Close $80.54 Range $65.64 - $102.93
Q4 2024
Shares 335 Value ($000) $23 Avg Close $83.05 Range $68.23 - $107.23
Q2 2024
Shares 155 Value ($000) $22 Avg Close $115.29 Range $93.77 - $145.70
Q1 2024
Shares 1,195 Value ($000) $133 Avg Close $119.16 Range $106.11 - $145.77
Q4 2023
Shares 2,228 Value ($000) $289 Avg Close $137.83 Range $120.54 - $170.97
Q3 2023
Shares 1,032 Value ($000) $168 Avg Close $175.88 Range $152.71 - $201.00
Q2 2023
Shares 3,167 Value ($000) $581 Avg Close $143.96 Range $105.28 - $186.68
Q4 2022
Shares 9,536 Value ($000) $757 Avg Close $70.45 Range $49.78 - $88.73
Q1 2022
Shares 4,256 Value ($000) $321 Avg Close $68.31 Range $54.20 - $83.74
Q4 2021
Shares 10,144 Value ($000) $756 Avg Close $59.25 Range $45.14 - $75.40
Q2 2021
Shares 1,509 Value ($000) $61 Avg Close $41.43 Range $35.45 - $50.21
Q1 2021
Shares 2,149 Value ($000) $88 Avg Close $37.29 Range $28.45 - $44.20
Q4 2020
Shares 3,850 Value ($000) $112 Avg Close $25.87 Range $21.69 - $30.05
Q3 2020
Shares 5,138 Value ($000) $113 Avg Close $25.50 Range $20.40 - $31.50
Q4 2019
Shares 2,100 Value ($000) $51 Avg Close $21.07 Range $16.13 - $25.00
Q2 2019
Shares 6,489 Value ($000) $98 Avg Close $17.86 Range $13.99 - $22.19
Q1 2019
Shares 800 Value ($000) $16 Avg Close $20.31 Range $16.55 - $22.99
Q1 2018
Shares 1,844 Value ($000) $45 Avg Close $26.28 Range $21.90 - $31.60
Q3 2017
Shares 100 Value ($000) $3 Avg Close $22.14 Range $18.60 - $27.40
Q2 2017
Shares 1,625 Value ($000) $34 Avg Close $21.13 Range $17.65 - $26.53
Q1 2017
Shares 4,225 Value ($000) $79 Avg Close $15.74 Range $14.00 - $18.90
Q4 2016
Shares 125 Value ($000) $2 Avg Close $13.61 Range $11.05 - $14.68