AFFILIATED MANAGERS GROUP

Ticker: AMG CUSIP: 008252108 Class: COM

NORTHWESTERN MUTUAL INVESTMENT MANAGEMENT COMPANY, LLC's Holding History (CIK: 0001629649)

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

Q4 2025

Shares 6,293 Value ($000) $1,814 Avg Close $258.45 Range $230.09 - $299.69

Q3 2025

Shares 6,333 Value ($000) $1,510 Avg Close $220.39 Range $194.74 - $250.14

Q2 2025

Shares 6,347 Value ($000) $1,249 Avg Close $173.47 Range $139.20 - $199.47

Q1 2025

Shares 6,504 Value ($000) $1,093 Avg Close $174.30 Range $151.61 - $191.09

Q4 2024

Shares 6,717 Value ($000) $1,242 Avg Close $186.57 Range $173.54 - $199.47

Q3 2024

Shares 6,614 Value ($000) $1,176 Avg Close $169.81 Range $152.32 - $189.75

Q2 2024

Shares 7,112 Value ($000) $1,111 Avg Close $159.16 Range $147.08 - $169.59

Q1 2024

Shares 7,541 Value ($000) $1,263 Avg Close $155.40 Range $145.30 - $167.84

Q4 2023

Shares 7,521 Value ($000) $1,139 Avg Close $134.30 Range $120.16 - $156.31

Q3 2023

Shares 7,773 Value ($000) $1,013 Avg Close $139.81 Range $129.01 - $163.83

Q2 2023

Shares 8,024 Value ($000) $1,203 Avg Close $143.06 Range $135.39 - $151.92

Q1 2023

Shares 8,357 Value ($000) $1,190 Avg Close $157.88 Range $132.31 - $180.50

Q4 2022

Shares 3,487 Value ($000) $552 Avg Close $141.36 Range $108.04 - $163.24

Q3 2022

Shares 5,521 Value ($000) $618 Avg Close $125.39 Range $109.48 - $141.92

Q2 2022

Shares 6,474 Value ($000) $755 Avg Close $128.58 Range $112.28 - $146.71

Q1 2022

Shares 6,752 Value ($000) $952 Avg Close $143.53 Range $121.29 - $171.22

Q4 2021

Shares 6,739 Value ($000) $1,109 Avg Close $167.52 Range $146.96 - $191.42

Q3 2021

Shares 6,807 Value ($000) $1,028 Avg Close $163.56 Range $146.02 - $180.77

Q2 2021

Shares 6,935 Value ($000) $1,069 Avg Close $159.33 Range $147.97 - $176.63

Q1 2021

Shares 7,110 Value ($000) $1,060 Avg Close $130.58 Range $98.76 - $153.37

Q4 2020

Shares 15,597 Value ($000) $1,586 Avg Close $86.25 Range $66.34 - $103.21

Q3 2020

Shares 16,437 Value ($000) $1,226 Avg Close $69.80 Range $62.10 - $75.77

Q2 2020

Shares 16,437 Value ($000) $1,226 Avg Close $67.48 Range $53.23 - $82.32

Q1 2020

Shares 17,120 Value ($000) $1,012 Avg Close $74.64 Range $44.30 - $88.80

Q4 2019

Shares 14,073 Value ($000) $1,193 Avg Close $81.44 Range $70.43 - $87.94

Q3 2019

Shares 1,928 Value ($000) $161 Avg Close $82.65 Range $73.22 - $92.84

Q2 2019

Shares 1,942 Value ($000) $179 Avg Close $96.65 Range $82.01 - $113.84

Q1 2019

Shares 7,910 Value ($000) $847 Avg Close $104.33 Range $93.26 - $110.96

Q4 2018

Shares 7,968 Value ($000) $776 Avg Close $110.59 Range $86.74 - $136.36

Q3 2018

Shares 9,350 Value ($000) $1,278 Avg Close $144.30 Range $133.37 - $159.64

Q2 2018

Shares 10,401 Value ($000) $1,546 Avg Close $160.74 Range $145.08 - $182.71

Q1 2018

Shares 9,919 Value ($000) $1,880 Avg Close $189.64 Range $169.45 - $211.08

Q4 2017

Shares 12,555 Value ($000) $2,577 Avg Close $188.42 Range $173.99 - $202.01

Q3 2017

Shares 12,545 Value ($000) $2,381 Avg Close $172.79 Range $161.15 - $186.54

Q2 2017

Shares 12,989 Value ($000) $2,154 Avg Close $154.87 Range $144.44 - $164.19

Q1 2017

Shares 11,462 Value ($000) $1,879 Avg Close $153.31 Range $135.07 - $166.39

Q4 2016

Shares 6,294 Value ($000) $915 Avg Close $140.58 Range $126.32 - $157.66

Q3 2016

Shares 5,329 Value ($000) $771 Avg Close $138.59 Range $126.84 - $143.96

Q2 2016

Shares 2,060 Value ($000) $290 Avg Close $158.47 Range $126.98 - $174.12

Q1 2016

Shares 2,060 Value ($000) $335 Avg Close $135.06 Range $112.27 - $159.84

Q4 2015

Shares 8,508 Value ($000) $1,359 Avg Close $166.43 Range $137.16 - $184.66

Q3 2015

Shares 8,462 Value ($000) $1,447 Avg Close $190.37 Range $159.30 - $214.73

Q2 2015

Shares 8,461 Value ($000) $1,850 Avg Close $215.27 Range $205.22 - $223.28

Q1 2015

Shares 8,120 Value ($000) $1,744 Avg Close $204.27 Range $185.26 - $214.40

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	6,293	$1,814	$258.45	$230.09 - $299.69
Q3 2025	6,333	$1,510	$220.39	$194.74 - $250.14
Q2 2025	6,347	$1,249	$173.47	$139.20 - $199.47
Q1 2025	6,504	$1,093	$174.30	$151.61 - $191.09
Q4 2024	6,717	$1,242	$186.57	$173.54 - $199.47
Q3 2024	6,614	$1,176	$169.81	$152.32 - $189.75
Q2 2024	7,112	$1,111	$159.16	$147.08 - $169.59
Q1 2024	7,541	$1,263	$155.40	$145.30 - $167.84
Q4 2023	7,521	$1,139	$134.30	$120.16 - $156.31
Q3 2023	7,773	$1,013	$139.81	$129.01 - $163.83
Q2 2023	8,024	$1,203	$143.06	$135.39 - $151.92
Q1 2023	8,357	$1,190	$157.88	$132.31 - $180.50
Q4 2022	3,487	$552	$141.36	$108.04 - $163.24
Q3 2022	5,521	$618	$125.39	$109.48 - $141.92
Q2 2022	6,474	$755	$128.58	$112.28 - $146.71
Q1 2022	6,752	$952	$143.53	$121.29 - $171.22
Q4 2021	6,739	$1,109	$167.52	$146.96 - $191.42
Q3 2021	6,807	$1,028	$163.56	$146.02 - $180.77
Q2 2021	6,935	$1,069	$159.33	$147.97 - $176.63
Q1 2021	7,110	$1,060	$130.58	$98.76 - $153.37
Q4 2020	15,597	$1,586	$86.25	$66.34 - $103.21
Q3 2020	16,437	$1,226	$69.80	$62.10 - $75.77
Q2 2020	16,437	$1,226	$67.48	$53.23 - $82.32
Q1 2020	17,120	$1,012	$74.64	$44.30 - $88.80
Q4 2019	14,073	$1,193	$81.44	$70.43 - $87.94
Q3 2019	1,928	$161	$82.65	$73.22 - $92.84
Q2 2019	1,942	$179	$96.65	$82.01 - $113.84
Q1 2019	7,910	$847	$104.33	$93.26 - $110.96
Q4 2018	7,968	$776	$110.59	$86.74 - $136.36
Q3 2018	9,350	$1,278	$144.30	$133.37 - $159.64
Q2 2018	10,401	$1,546	$160.74	$145.08 - $182.71
Q1 2018	9,919	$1,880	$189.64	$169.45 - $211.08
Q4 2017	12,555	$2,577	$188.42	$173.99 - $202.01
Q3 2017	12,545	$2,381	$172.79	$161.15 - $186.54
Q2 2017	12,989	$2,154	$154.87	$144.44 - $164.19
Q1 2017	11,462	$1,879	$153.31	$135.07 - $166.39
Q4 2016	6,294	$915	$140.58	$126.32 - $157.66
Q3 2016	5,329	$771	$138.59	$126.84 - $143.96
Q2 2016	2,060	$290	$158.47	$126.98 - $174.12
Q1 2016	2,060	$335	$135.06	$112.27 - $159.84
Q4 2015	8,508	$1,359	$166.43	$137.16 - $184.66
Q3 2015	8,462	$1,447	$190.37	$159.30 - $214.73
Q2 2015	8,461	$1,850	$215.27	$205.22 - $223.28
Q1 2015	8,120	$1,744	$204.27	$185.26 - $214.40