AMERISOURCEBERGEN CORP

Ticker: COR CUSIP: 03073E105 Class: COM

WESTFIELD CAPITAL MANAGEMENT CO LP's Holding History (CIK: 0001177719)

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

Q4 2025

Shares 319,215 Value ($000) $107,815 Avg Close $340.62 Range $295.59 - $377.54

Q3 2025

Shares 325,660 Value ($000) $101,779 Avg Close $293.50 Range $272.47 - $312.22

Q2 2025

Shares 268,752 Value ($000) $80,585 Avg Close $286.82 Range $265.95 - $307.67

Q1 2025

Shares 288,969 Value ($000) $80,359 Avg Close $249.56 Range $222.21 - $279.18

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	319,215	$107,815	$340.62	$295.59 - $377.54
Q3 2025	325,660	$101,779	$293.50	$272.47 - $312.22
Q2 2025	268,752	$80,585	$286.82	$265.95 - $307.67
Q1 2025	288,969	$80,359	$249.56	$222.21 - $279.18