AXCELIS TECHNOLOGIES INC

Ticker: ACLS CUSIP: 054540208 Class: EQTY

SIMPLEX TRADING, LLC's Holding History (CIK: 0001488542)

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

Q4 2025
Shares 237 Value ($000) $19 Avg Close $83.73 Range $73.60 - $98.35
Q3 2025
Shares 18,887 Value ($000) $2 Avg Close $80.54 Range $65.64 - $102.93
Q2 2025
Shares 14,322 Value ($000) $1 Avg Close $57.05 Range $40.40 - $73.57
Q2 2024
Shares 4,021 Value ($000) $1 Avg Close $115.29 Range $93.77 - $145.70
Q1 2024
Shares 2,387 Value ($000) $0 Avg Close $119.16 Range $106.11 - $145.77
Q4 2023
Shares 1,529 Value ($000) $0 Avg Close $137.83 Range $120.54 - $170.97
Q2 2023
Shares 4,638 Value ($000) $1 Avg Close $143.96 Range $105.28 - $186.68
Q4 2022
Shares 1,556 Value ($000) $0 Avg Close $70.45 Range $49.78 - $88.73
Q1 2022
Shares 2,587 Value ($000) $195 Avg Close $68.31 Range $54.20 - $83.74
Q4 2021
Shares 11,569 Value ($000) $862 Avg Close $59.25 Range $45.14 - $75.40
Q3 2021
Shares 65 Value ($000) $2 Avg Close $43.50 Range $33.36 - $52.80
Q1 2021
Shares 1,373 Value ($000) $56 Avg Close $37.29 Range $28.45 - $44.20
Q4 2020
Shares 3,039 Value ($000) $88 Avg Close $25.87 Range $21.69 - $30.05
Q2 2020
Shares 36 Value ($000) $1 Avg Close $24.39 Range $16.11 - $28.84
Q4 2019
Shares 261 Value ($000) $6 Avg Close $21.07 Range $16.13 - $25.00
Q1 2018
Shares 1,686 Value ($000) $41 Avg Close $26.28 Range $21.90 - $31.60
Q2 2017
Shares 1,084 Value ($000) $22 Avg Close $21.13 Range $17.65 - $26.53
Q1 2017
Shares 18,094 Value ($000) $340 Avg Close $15.74 Range $14.00 - $18.90
Q4 2016
Shares 5,303 Value ($000) $77 Avg Close $13.61 Range $11.05 - $14.68