ARMSTRONG WORLD INDS INC NEW

Ticker: AWI CUSIP: 04247X102 Class: EQTY

DRIEHAUS CAPITAL MANAGEMENT LLC's Holding History (CIK: 0000938206)

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

Q4 2025

Shares 138,001 Value ($000) $26,372 Avg Close $190.70 Range $177.96 - $205.72

Q3 2025

Shares 103,759 Value ($000) $20,338 Avg Close $185.53 Range $161.01 - $200.48

Q4 2021

Shares 158,949 Value ($000) $18,457 Avg Close $103.39 Range $90.40 - $113.30

Q1 2020

Shares 26,813 Value ($000) $2,129 Avg Close $90.71 Range $58.46 - $104.84

Q4 2019

Shares 26,454 Value ($000) $2,486 Avg Close $89.76 Range $84.26 - $97.29

Q3 2019

Shares 36,936 Value ($000) $3,572 Avg Close $90.34 Range $85.56 - $97.90

Q2 2019

Shares 36,961 Value ($000) $3,593 Avg Close $83.72 Range $74.58 - $93.00

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	138,001	$26,372	$190.70	$177.96 - $205.72
Q3 2025	103,759	$20,338	$185.53	$161.01 - $200.48
Q4 2021	158,949	$18,457	$103.39	$90.40 - $113.30
Q1 2020	26,813	$2,129	$90.71	$58.46 - $104.84
Q4 2019	26,454	$2,486	$89.76	$84.26 - $97.29
Q3 2019	36,936	$3,572	$90.34	$85.56 - $97.90
Q2 2019	36,961	$3,593	$83.72	$74.58 - $93.00