AFFILIATED MANAGERS GROUP

Ticker: AMG CUSIP: 008252108 Class: COM

ONTARIO TEACHERS PENSION PLAN BOARD's Holding History (CIK: 0000937567)

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

Q2 2025

Shares 2,139 Value ($000) $421 Avg Close $173.47 Range $139.20 - $199.47

Q1 2025

Shares 1,353 Value ($000) $227 Avg Close $174.30 Range $151.61 - $191.09

Q4 2024

Shares 2,442 Value ($000) $452 Avg Close $186.57 Range $173.54 - $199.47

Q3 2024

Shares 2,398 Value ($000) $426 Avg Close $169.81 Range $152.32 - $189.75

Q2 2024

Shares 2,398 Value ($000) $375 Avg Close $159.16 Range $147.08 - $169.59

Q1 2024

Shares 7,872 Value ($000) $1,318 Avg Close $155.40 Range $145.30 - $167.84

Q4 2023

Shares 9,158 Value ($000) $1,387 Avg Close $134.30 Range $120.16 - $156.31

Q3 2023

Shares 9,158 Value ($000) $1,194 Avg Close $139.81 Range $129.01 - $163.83

Q2 2023

Shares 8,883 Value ($000) $1,331 Avg Close $143.06 Range $135.39 - $151.92

Q1 2023

Shares 5,305 Value ($000) $756 Avg Close $157.88 Range $132.31 - $180.50

Q4 2021

Shares 3,063 Value ($000) $504 Avg Close $167.52 Range $146.96 - $191.42

Q3 2021

Shares 2,566 Value ($000) $388 Avg Close $163.56 Range $146.02 - $180.77

Q1 2019

Shares 5,146 Value ($000) $551 Avg Close $104.33 Range $93.26 - $110.96

Q3 2017

Shares 4,924 Value ($000) $935 Avg Close $172.79 Range $161.15 - $186.54

Q1 2017

Shares 1,671 Value ($000) $274 Avg Close $153.31 Range $135.07 - $166.39

Q4 2016

Shares 1,492 Value ($000) $217 Avg Close $140.58 Range $126.32 - $157.66

Q3 2016

Shares 4,038 Value ($000) $584 Avg Close $138.59 Range $126.84 - $143.96

Q2 2016

Shares 8,863 Value ($000) $1,248 Avg Close $158.47 Range $126.98 - $174.12

Q1 2016

Shares 12,178 Value ($000) $1,978 Avg Close $135.06 Range $112.27 - $159.84

Q4 2015

Shares 11,577 Value ($000) $1,850 Avg Close $166.43 Range $137.16 - $184.66

Q3 2015

Shares 8,879 Value ($000) $1,518 Avg Close $190.37 Range $159.30 - $214.73

Q2 2015

Shares 11,775 Value ($000) $2,574 Avg Close $215.27 Range $205.22 - $223.28

Q1 2015

Shares 7,378 Value ($000) $1,585 Avg Close $204.27 Range $185.26 - $214.40

Q4 2014

Shares 8,455 Value ($000) $1,794 Avg Close $192.32 Range $168.87 - $209.59

Q3 2014

Shares 10,397 Value ($000) $2,083 Avg Close $197.54 Range $186.21 - $207.58

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2025	2,139	$421	$173.47	$139.20 - $199.47
Q1 2025	1,353	$227	$174.30	$151.61 - $191.09
Q4 2024	2,442	$452	$186.57	$173.54 - $199.47
Q3 2024	2,398	$426	$169.81	$152.32 - $189.75
Q2 2024	2,398	$375	$159.16	$147.08 - $169.59
Q1 2024	7,872	$1,318	$155.40	$145.30 - $167.84
Q4 2023	9,158	$1,387	$134.30	$120.16 - $156.31
Q3 2023	9,158	$1,194	$139.81	$129.01 - $163.83
Q2 2023	8,883	$1,331	$143.06	$135.39 - $151.92
Q1 2023	5,305	$756	$157.88	$132.31 - $180.50
Q4 2021	3,063	$504	$167.52	$146.96 - $191.42
Q3 2021	2,566	$388	$163.56	$146.02 - $180.77
Q1 2019	5,146	$551	$104.33	$93.26 - $110.96
Q3 2017	4,924	$935	$172.79	$161.15 - $186.54
Q1 2017	1,671	$274	$153.31	$135.07 - $166.39
Q4 2016	1,492	$217	$140.58	$126.32 - $157.66
Q3 2016	4,038	$584	$138.59	$126.84 - $143.96
Q2 2016	8,863	$1,248	$158.47	$126.98 - $174.12
Q1 2016	12,178	$1,978	$135.06	$112.27 - $159.84
Q4 2015	11,577	$1,850	$166.43	$137.16 - $184.66
Q3 2015	8,879	$1,518	$190.37	$159.30 - $214.73
Q2 2015	11,775	$2,574	$215.27	$205.22 - $223.28
Q1 2015	7,378	$1,585	$204.27	$185.26 - $214.40
Q4 2014	8,455	$1,794	$192.32	$168.87 - $209.59
Q3 2014	10,397	$2,083	$197.54	$186.21 - $207.58