AFFILIATED MANAGERS GROUP

Ticker: AMG CUSIP: 008252108 Class: COM

Westend Capital Management, LLC's Holding History (CIK: 0001331997)

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

Q4 2024

Shares 16 Value ($000) $3 Avg Close $186.57 Range $173.54 - $199.47

Q3 2024

Shares 16 Value ($000) $3 Avg Close $169.81 Range $152.32 - $189.75

Q2 2024

Shares 16 Value ($000) $2 Avg Close $159.16 Range $147.08 - $169.59

Q1 2024

Shares 16 Value ($000) $3 Avg Close $155.40 Range $145.30 - $167.84

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2024	16	$3	$186.57	$173.54 - $199.47
Q3 2024	16	$3	$169.81	$152.32 - $189.75
Q2 2024	16	$2	$159.16	$147.08 - $169.59
Q1 2024	16	$3	$155.40	$145.30 - $167.84