AFFILIATED MANAGERS GROUP

Ticker: AMG CUSIP: 008252108 Class: COM

BlackRock, Inc.'s Holding History (CIK: 0002012383)

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

Q4 2025

Shares 2,799,201 Value ($000) $806,954 Avg Close $258.45 Range $230.09 - $299.69

Q3 2025

Shares 2,821,855 Value ($000) $672,815 Avg Close $220.39 Range $194.74 - $250.14

Q2 2025

Shares 2,822,700 Value ($000) $555,423 Avg Close $173.47 Range $139.20 - $199.47

Q1 2025

Shares 2,935,775 Value ($000) $493,298 Avg Close $174.30 Range $151.61 - $191.09

Q4 2024

Shares 2,969,421 Value ($000) $549,105 Avg Close $186.57 Range $173.54 - $199.47

Q3 2024

Shares 2,916,774 Value ($000) $518,602 Avg Close $169.81 Range $152.32 - $189.75

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	2,799,201	$806,954	$258.45	$230.09 - $299.69
Q3 2025	2,821,855	$672,815	$220.39	$194.74 - $250.14
Q2 2025	2,822,700	$555,423	$173.47	$139.20 - $199.47
Q1 2025	2,935,775	$493,298	$174.30	$151.61 - $191.09
Q4 2024	2,969,421	$549,105	$186.57	$173.54 - $199.47
Q3 2024	2,916,774	$518,602	$169.81	$152.32 - $189.75