AFFILIATED MANAGERS GROUP

Ticker: AMG CUSIP: 008252108 Class: COM

Centerpoint Advisors, LLC's Holding History (CIK: 0001733788)

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

Q3 2023

Shares 5 Value ($000) $0 Avg Close $139.81 Range $129.01 - $163.83

Q2 2023

Shares 5 Value ($000) $0 Avg Close $143.06 Range $135.39 - $151.92

Q1 2023

Shares 5 Value ($000) $0 Avg Close $157.88 Range $132.31 - $180.50

Q2 2018

Shares 11 Value ($000) $2 Avg Close $160.74 Range $145.08 - $182.71

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2023	5	$0	$139.81	$129.01 - $163.83
Q2 2023	5	$0	$143.06	$135.39 - $151.92
Q1 2023	5	$0	$157.88	$132.31 - $180.50
Q2 2018	11	$2	$160.74	$145.08 - $182.71