AXCELIS TECHNOLOGIES INC

Ticker: ACLS CUSIP: 054540208 Class: EQTY

CASTLEARK MANAGEMENT LLC's Holding History (CIK: 0001106832)

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

Q3 2023

Shares 27,890 Value ($000) $4,547 Avg Close $175.88 Range $152.71 - $201.00

Q2 2023

Shares 33,030 Value ($000) $6,055 Avg Close $143.96 Range $105.28 - $186.68

Q1 2023

Shares 33,350 Value ($000) $4,444 Avg Close $117.49 Range $76.97 - $136.38

Q4 2022

Shares 33,350 Value ($000) $2,647 Avg Close $70.45 Range $49.78 - $88.73

Q3 2022

Shares 32,830 Value ($000) $1,988 Avg Close $64.60 Range $46.41 - $83.39

Q2 2022

Shares 81,550 Value ($000) $4,472 Avg Close $57.95 Range $50.69 - $77.20

Q1 2022

Shares 43,980 Value ($000) $3,322 Avg Close $68.31 Range $54.20 - $83.74

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2023	27,890	$4,547	$175.88	$152.71 - $201.00
Q2 2023	33,030	$6,055	$143.96	$105.28 - $186.68
Q1 2023	33,350	$4,444	$117.49	$76.97 - $136.38
Q4 2022	33,350	$2,647	$70.45	$49.78 - $88.73
Q3 2022	32,830	$1,988	$64.60	$46.41 - $83.39
Q2 2022	81,550	$4,472	$57.95	$50.69 - $77.20
Q1 2022	43,980	$3,322	$68.31	$54.20 - $83.74