ALLISON TRANSMISSION HLDGS I

Ticker: ALSN CUSIP: 01973R101 Class: Common Stock

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

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

Q4 2025

Shares 143,119 Value ($000) $14,011 Avg Close $87.50 Range $75.76 - $101.55

Q1 2025

Shares 216,502 Value ($000) $20,713 Avg Close $104.97 Range $91.83 - $120.40

Q4 2024

Shares 505,321 Value ($000) $54,605 Avg Close $107.81 Range $93.55 - $121.12

Q3 2024

Shares 480,510 Value ($000) $46,163 Avg Close $84.45 Range $72.58 - $95.92

Q4 2019

Shares 6,170 Value ($000) $298 Avg Close $41.98 Range $38.44 - $44.98

Q2 2014

Shares 16,687 Value ($000) $519 Avg Close $24.84 Range $23.44 - $25.82

Q1 2014

Shares 24,339 Value ($000) $729 Avg Close $23.70 Range $21.59 - $25.56

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	143,119	$14,011	$87.50	$75.76 - $101.55
Q1 2025	216,502	$20,713	$104.97	$91.83 - $120.40
Q4 2024	505,321	$54,605	$107.81	$93.55 - $121.12
Q3 2024	480,510	$46,163	$84.45	$72.58 - $95.92
Q4 2019	6,170	$298	$41.98	$38.44 - $44.98
Q2 2014	16,687	$519	$24.84	$23.44 - $25.82
Q1 2014	24,339	$729	$23.70	$21.59 - $25.56