AFFILIATED MANAGERS GROUP

Ticker: AMG CUSIP: 008252108 Class: COM

Magnetar Financial LLC's Holding History (CIK: 0001352851)

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

Q4 2025

Shares 912 Value ($000) $263 Avg Close $258.45 Range $230.09 - $299.69

Q2 2025

Shares 1,448 Value ($000) $285 Avg Close $173.47 Range $139.20 - $199.47

Q3 2024

Shares 1,374 Value ($000) $244 Avg Close $169.81 Range $152.32 - $189.75

Q2 2023

Shares 9,713 Value ($000) $1,456 Avg Close $143.06 Range $135.39 - $151.92

Q1 2023

Shares 12,514 Value ($000) $1,782 Avg Close $157.88 Range $132.31 - $180.50

Q3 2022

Shares 10,587 Value ($000) $1,184 Avg Close $125.39 Range $109.48 - $141.92

Q2 2021

Shares 1,928 Value ($000) $297 Avg Close $159.33 Range $147.97 - $176.63

Q3 2018

Shares 3,598 Value ($000) $492 Avg Close $144.30 Range $133.37 - $159.64

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	912	$263	$258.45	$230.09 - $299.69
Q2 2025	1,448	$285	$173.47	$139.20 - $199.47
Q3 2024	1,374	$244	$169.81	$152.32 - $189.75
Q2 2023	9,713	$1,456	$143.06	$135.39 - $151.92
Q1 2023	12,514	$1,782	$157.88	$132.31 - $180.50
Q3 2022	10,587	$1,184	$125.39	$109.48 - $141.92
Q2 2021	1,928	$297	$159.33	$147.97 - $176.63
Q3 2018	3,598	$492	$144.30	$133.37 - $159.64