AFFILIATED MANAGERS GROUP

Ticker: AMG CUSIP: 008252108 Class: COM

Autumn Glory Partners, LLC's Holding History (CIK: 0001911621)

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

Q4 2025

Shares 925 Value ($000) $267 Avg Close $258.45 Range $230.09 - $299.69

Q3 2025

Shares 925 Value ($000) $221 Avg Close $220.39 Range $194.74 - $250.14

Q1 2023

Shares 1,850 Value ($000) $263 Avg Close $157.88 Range $132.31 - $180.50

Q4 2021

Shares 1,855 Value ($000) $305 Avg Close $167.52 Range $146.96 - $191.42

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	925	$267	$258.45	$230.09 - $299.69
Q3 2025	925	$221	$220.39	$194.74 - $250.14
Q1 2023	1,850	$263	$157.88	$132.31 - $180.50
Q4 2021	1,855	$305	$167.52	$146.96 - $191.42