AXCELIS TECHNOLOGIES INC

Ticker: ACLS CUSIP: 054540208 Class: EQTY

D. E. Shaw & Co., Inc.'s Holding History (CIK: 0001009207)

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

Q4 2025

Shares 470,285 Value ($000) $37,783 Avg Close $83.73 Range $73.60 - $98.35

Q3 2025

Shares 154,338 Value ($000) $15,070 Avg Close $80.54 Range $65.64 - $102.93

Q2 2025

Shares 78,253 Value ($000) $5,453 Avg Close $57.05 Range $40.40 - $73.57

Q1 2025

Shares 6,310 Value ($000) $313 Avg Close $63.23 Range $47.23 - $76.94

Q4 2024

Shares 40,380 Value ($000) $2,821 Avg Close $83.05 Range $68.23 - $107.23

Q3 2024

Shares 14,860 Value ($000) $1,558 Avg Close $116.95 Range $95.62 - $158.61

Q2 2024

Shares 18,043 Value ($000) $2,566 Avg Close $115.29 Range $93.77 - $145.70

Q1 2024

Shares 22,116 Value ($000) $2,466 Avg Close $119.16 Range $106.11 - $145.77

Q4 2023

Shares 75,232 Value ($000) $9,757 Avg Close $137.83 Range $120.54 - $170.97

Q3 2023

Shares 109,703 Value ($000) $17,887 Avg Close $175.88 Range $152.71 - $201.00

Q2 2023

Shares 68,510 Value ($000) $12,560 Avg Close $143.96 Range $105.28 - $186.68

Q1 2023

Shares 50,289 Value ($000) $6,701 Avg Close $117.49 Range $76.97 - $136.38

Q4 2022

Shares 14,600 Value ($000) $1,159 Avg Close $70.45 Range $49.78 - $88.73

Q3 2022

Shares 18,784 Value ($000) $1,138 Avg Close $64.60 Range $46.41 - $83.39

Q2 2022

Shares 11,194 Value ($000) $614 Avg Close $57.95 Range $50.69 - $77.20

Q1 2022

Shares 13,914 Value ($000) $1,051 Avg Close $68.31 Range $54.20 - $83.74

Q3 2021

Shares 8,706 Value ($000) $409 Avg Close $43.50 Range $33.36 - $52.80

Q4 2019

Shares 45,626 Value ($000) $1,100 Avg Close $21.07 Range $16.13 - $25.00

Q3 2019

Shares 148,021 Value ($000) $2,530 Avg Close $15.98 Range $14.53 - $18.82

Q2 2019

Shares 126,939 Value ($000) $1,910 Avg Close $17.86 Range $13.99 - $22.19

Q1 2019

Shares 31,452 Value ($000) $633 Avg Close $20.31 Range $16.55 - $22.99

Q3 2017

Shares 105,954 Value ($000) $2,898 Avg Close $22.14 Range $18.60 - $27.40

Q2 2017

Shares 130,671 Value ($000) $2,738 Avg Close $21.13 Range $17.65 - $26.53

Q1 2017

Shares 50,033 Value ($000) $941 Avg Close $15.74 Range $14.00 - $18.90

Q4 2016

Shares 91,580 Value ($000) $1,332 Avg Close $13.61 Range $11.05 - $14.68

Q3 2016

Shares 128,592 Value ($000) $1,708 Avg Close $11.60 Range $9.68 - $13.47

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	470,285	$37,783	$83.73	$73.60 - $98.35
Q3 2025	154,338	$15,070	$80.54	$65.64 - $102.93
Q2 2025	78,253	$5,453	$57.05	$40.40 - $73.57
Q1 2025	6,310	$313	$63.23	$47.23 - $76.94
Q4 2024	40,380	$2,821	$83.05	$68.23 - $107.23
Q3 2024	14,860	$1,558	$116.95	$95.62 - $158.61
Q2 2024	18,043	$2,566	$115.29	$93.77 - $145.70
Q1 2024	22,116	$2,466	$119.16	$106.11 - $145.77
Q4 2023	75,232	$9,757	$137.83	$120.54 - $170.97
Q3 2023	109,703	$17,887	$175.88	$152.71 - $201.00
Q2 2023	68,510	$12,560	$143.96	$105.28 - $186.68
Q1 2023	50,289	$6,701	$117.49	$76.97 - $136.38
Q4 2022	14,600	$1,159	$70.45	$49.78 - $88.73
Q3 2022	18,784	$1,138	$64.60	$46.41 - $83.39
Q2 2022	11,194	$614	$57.95	$50.69 - $77.20
Q1 2022	13,914	$1,051	$68.31	$54.20 - $83.74
Q3 2021	8,706	$409	$43.50	$33.36 - $52.80
Q4 2019	45,626	$1,100	$21.07	$16.13 - $25.00
Q3 2019	148,021	$2,530	$15.98	$14.53 - $18.82
Q2 2019	126,939	$1,910	$17.86	$13.99 - $22.19
Q1 2019	31,452	$633	$20.31	$16.55 - $22.99
Q3 2017	105,954	$2,898	$22.14	$18.60 - $27.40
Q2 2017	130,671	$2,738	$21.13	$17.65 - $26.53
Q1 2017	50,033	$941	$15.74	$14.00 - $18.90
Q4 2016	91,580	$1,332	$13.61	$11.05 - $14.68
Q3 2016	128,592	$1,708	$11.60	$9.68 - $13.47