AXCELIS TECHNOLOGIES INC

Ticker: ACLS CUSIP: 054540208 Class: EQTY

Aigen Investment Management, LP's Holding History (CIK: 0001741224)

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

Q4 2024

Shares 3,190 Value ($000) $223 Avg Close $83.05 Range $68.23 - $107.23

Q1 2024

Shares 10,424 Value ($000) $1,162 Avg Close $119.16 Range $106.11 - $145.77

Q4 2023

Shares 22,860 Value ($000) $2,965 Avg Close $137.83 Range $120.54 - $170.97

Q1 2023

Shares 9,481 Value ($000) $1,263 Avg Close $117.49 Range $76.97 - $136.38

Q3 2020

Shares 18,620 Value ($000) $410 Avg Close $25.50 Range $20.40 - $31.50

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2024	3,190	$223	$83.05	$68.23 - $107.23
Q1 2024	10,424	$1,162	$119.16	$106.11 - $145.77
Q4 2023	22,860	$2,965	$137.83	$120.54 - $170.97
Q1 2023	9,481	$1,263	$117.49	$76.97 - $136.38
Q3 2020	18,620	$410	$25.50	$20.40 - $31.50