AXCELIS TECHNOLOGIES INC

Ticker: ACLS CUSIP: 054540208 Class: EQTY

GW&K Investment Management, LLC's Holding History (CIK: 0001082917)

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

Q4 2021

Shares 66,980 Value ($000) $4,994 Avg Close $59.25 Range $45.14 - $75.40

Q3 2021

Shares 115,370 Value ($000) $5,426 Avg Close $43.50 Range $33.36 - $52.80

Q2 2021

Shares 114,765 Value ($000) $4,639 Avg Close $41.43 Range $35.45 - $50.21

Q1 2021

Shares 114,765 Value ($000) $4,716 Avg Close $37.29 Range $28.45 - $44.20

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2021	66,980	$4,994	$59.25	$45.14 - $75.40
Q3 2021	115,370	$5,426	$43.50	$33.36 - $52.80
Q2 2021	114,765	$4,639	$41.43	$35.45 - $50.21
Q1 2021	114,765	$4,716	$37.29	$28.45 - $44.20