AFFILIATED MANAGERS GROUP

Ticker: AMG CUSIP: 008252108 Class: COM

&PARTNERS's Holding History (CIK: 0000107136)

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

Q4 2025

Shares 11,434 Value ($000) $3,270 Avg Close $258.45 Range $230.09 - $299.69

Q3 2025

Shares 10,746 Value ($000) $2,562 Avg Close $220.39 Range $194.74 - $250.14

Q2 2025

Shares 11,113 Value ($000) $2,187 Avg Close $173.47 Range $139.20 - $199.47

Q1 2025

Shares 3,338 Value ($000) $559 Avg Close $174.30 Range $151.61 - $191.09

Q4 2024

Shares 2,607 Value ($000) $492 Avg Close $186.57 Range $173.54 - $199.47

Q3 2024

Shares 2,039 Value ($000) $363 Avg Close $169.81 Range $152.32 - $189.75

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	11,434	$3,270	$258.45	$230.09 - $299.69
Q3 2025	10,746	$2,562	$220.39	$194.74 - $250.14
Q2 2025	11,113	$2,187	$173.47	$139.20 - $199.47
Q1 2025	3,338	$559	$174.30	$151.61 - $191.09
Q4 2024	2,607	$492	$186.57	$173.54 - $199.47
Q3 2024	2,039	$363	$169.81	$152.32 - $189.75