AXCELIS TECHNOLOGIES INC

Ticker: ACLS CUSIP: 054540208 Class: EQTY

PRIMECAP MANAGEMENT CO/CA/'s Holding History (CIK: 0000763212)

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

Q4 2025
Shares 664,942 Value ($000) $53,421 Avg Close $83.73 Range $73.60 - $98.35
Q3 2025
Shares 833,676 Value ($000) $81,400 Avg Close $80.54 Range $65.64 - $102.93
Q2 2025
Shares 852,296 Value ($000) $59,397 Avg Close $57.05 Range $40.40 - $73.57
Q1 2025
Shares 835,066 Value ($000) $41,478 Avg Close $63.23 Range $47.23 - $76.94
Q4 2024
Shares 916,426 Value ($000) $64,031 Avg Close $83.05 Range $68.23 - $107.23
Q3 2024
Shares 974,436 Value ($000) $102,170 Avg Close $116.95 Range $95.62 - $158.61
Q2 2024
Shares 989,796 Value ($000) $140,739 Avg Close $115.29 Range $93.77 - $145.70
Q1 2024
Shares 1,012,996 Value ($000) $112,969 Avg Close $119.16 Range $106.11 - $145.77
Q4 2023
Shares 1,042,046 Value ($000) $135,143 Avg Close $137.83 Range $120.54 - $170.97
Q3 2023
Shares 1,045,976 Value ($000) $170,546 Avg Close $175.88 Range $152.71 - $201.00
Q2 2023
Shares 1,077,146 Value ($000) $197,473 Avg Close $143.96 Range $105.28 - $186.68
Q1 2023
Shares 1,165,226 Value ($000) $155,266 Avg Close $117.49 Range $76.97 - $136.38
Q4 2022
Shares 1,275,306 Value ($000) $101,208 Avg Close $70.45 Range $49.78 - $88.73
Q3 2022
Shares 1,649,466 Value ($000) $99,892 Avg Close $64.60 Range $46.41 - $83.39
Q2 2022
Shares 1,680,611 Value ($000) $92,165 Avg Close $57.95 Range $50.69 - $77.20
Q1 2022
Shares 1,934,800 Value ($000) $146,135 Avg Close $68.31 Range $54.20 - $83.74
Q4 2021
Shares 2,094,870 Value ($000) $156,194 Avg Close $59.25 Range $45.14 - $75.40
Q3 2021
Shares 2,228,200 Value ($000) $104,792 Avg Close $43.50 Range $33.36 - $52.80
Q2 2021
Shares 2,294,630 Value ($000) $92,749 Avg Close $41.43 Range $35.45 - $50.21
Q1 2021
Shares 2,334,800 Value ($000) $95,937 Avg Close $37.29 Range $28.45 - $44.20
Q4 2020
Shares 2,498,110 Value ($000) $72,745 Avg Close $25.87 Range $21.69 - $30.05
Q3 2020
Shares 2,586,400 Value ($000) $56,901 Avg Close $25.50 Range $20.40 - $31.50
Q2 2020
Shares 2,714,600 Value ($000) $75,602 Avg Close $24.39 Range $16.11 - $28.84
Q1 2020
Shares 2,776,400 Value ($000) $50,836 Avg Close $23.24 Range $12.99 - $29.24
Q4 2019
Shares 2,891,100 Value ($000) $69,661 Avg Close $21.07 Range $16.13 - $25.00
Q3 2019
Shares 2,916,800 Value ($000) $49,848 Avg Close $15.98 Range $14.53 - $18.82
Q2 2019
Shares 2,947,300 Value ($000) $44,357 Avg Close $17.86 Range $13.99 - $22.19
Q1 2019
Shares 2,948,000 Value ($000) $59,314 Avg Close $20.31 Range $16.55 - $22.99
Q4 2018
Shares 2,952,400 Value ($000) $52,553 Avg Close $17.77 Range $15.46 - $20.57
Q3 2018
Shares 2,953,300 Value ($000) $58,032 Avg Close $20.60 Range $18.35 - $25.17
Q2 2018
Shares 2,908,700 Value ($000) $57,592 Avg Close $21.99 Range $19.30 - $25.20
Q1 2018
Shares 2,908,700 Value ($000) $71,554 Avg Close $26.28 Range $21.90 - $31.60
Q4 2017
Shares 3,038,200 Value ($000) $87,196 Avg Close $31.47 Range $27.15 - $37.05
Q3 2017
Shares 3,361,200 Value ($000) $91,929 Avg Close $22.14 Range $18.60 - $27.40
Q2 2017
Shares 3,370,550 Value ($000) $70,613 Avg Close $21.13 Range $17.65 - $26.53
Q1 2017
Shares 3,617,800 Value ($000) $68,015 Avg Close $15.74 Range $14.00 - $18.90
Q4 2016
Shares 3,478,393 Value ($000) $50,611 Avg Close $13.61 Range $11.05 - $14.68
Q3 2016
Shares 3,485,300 Value ($000) $46,285 Avg Close $11.60 Range $9.68 - $13.47