AXCELIS TECHNOLOGIES INC

Ticker: ACLS CUSIP: 054540208 Class: EQTY

PEAK6 LLC's Holding History (CIK: 0001389958)

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

Q3 2025

Shares 1,005 Value ($000) $98 Avg Close $80.54 Range $65.64 - $102.93

Q2 2025

Shares 11,617 Value ($000) $810 Avg Close $57.05 Range $40.40 - $73.57

Q1 2025

Shares 6,219 Value ($000) $309 Avg Close $63.23 Range $47.23 - $76.94

Q4 2024

Shares 1,003 Value ($000) $70 Avg Close $83.05 Range $68.23 - $107.23

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2025	1,005	$98	$80.54	$65.64 - $102.93
Q2 2025	11,617	$810	$57.05	$40.40 - $73.57
Q1 2025	6,219	$309	$63.23	$47.23 - $76.94
Q4 2024	1,003	$70	$83.05	$68.23 - $107.23