ALLISON TRANSMISSION HLDGS I

Ticker: ALSN CUSIP: 01973R101 Class: Common Stock

WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC's Holding History (CIK: 0001644956)

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

Q4 2025

Shares 4,607 Value ($000) $451 Avg Close $87.50 Range $75.76 - $101.55

Q3 2025

Shares 4,990 Value ($000) $424 Avg Close $88.55 Range $83.20 - $98.86

Q2 2025

Shares 5,162 Value ($000) $490 Avg Close $95.88 Range $79.67 - $106.03

Q1 2025

Shares 5,243 Value ($000) $502 Avg Close $104.97 Range $91.83 - $120.40

Q4 2024

Shares 3,751 Value ($000) $405 Avg Close $107.81 Range $93.55 - $121.12

Q3 2024

Shares 4,690 Value ($000) $451 Avg Close $84.45 Range $72.58 - $95.92

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	4,607	$451	$87.50	$75.76 - $101.55
Q3 2025	4,990	$424	$88.55	$83.20 - $98.86
Q2 2025	5,162	$490	$95.88	$79.67 - $106.03
Q1 2025	5,243	$502	$104.97	$91.83 - $120.40
Q4 2024	3,751	$405	$107.81	$93.55 - $121.12
Q3 2024	4,690	$451	$84.45	$72.58 - $95.92