AFFILIATED MANAGERS GROUP

Ticker: AMG CUSIP: 008252108 Class: COM

RHUMBLINE ADVISERS's Holding History (CIK: 0001115418)

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

Q4 2025

Shares 76,392 Value ($000) $22,022 Avg Close $258.45 Range $230.09 - $299.69

Q3 2025

Shares 81,059 Value ($000) $19,327 Avg Close $220.39 Range $194.74 - $250.14

Q2 2025

Shares 78,601 Value ($000) $15,466 Avg Close $173.47 Range $139.20 - $199.47

Q1 2025

Shares 81,856 Value ($000) $13,754 Avg Close $174.30 Range $151.61 - $191.09

Q4 2024

Shares 85,533 Value ($000) $15,817 Avg Close $186.57 Range $173.54 - $199.47

Q3 2024

Shares 87,885 Value ($000) $15,626 Avg Close $169.81 Range $152.32 - $189.75

Q2 2024

Shares 91,513 Value ($000) $14,297 Avg Close $159.16 Range $147.08 - $169.59

Q1 2024

Shares 102,256 Value ($000) $17,125 Avg Close $155.40 Range $145.30 - $167.84

Q4 2023

Shares 107,429 Value ($000) $16,267 Avg Close $134.30 Range $120.16 - $156.31

Q3 2023

Shares 110,896 Value ($000) $14,454 Avg Close $139.81 Range $129.01 - $163.83

Q2 2023

Shares 114,137 Value ($000) $17,108 Avg Close $143.06 Range $135.39 - $151.92

Q1 2023

Shares 115,020 Value ($000) $16 Avg Close $157.88 Range $132.31 - $180.50

Q4 2022

Shares 117,529 Value ($000) $19 Avg Close $141.36 Range $108.04 - $163.24

Q3 2022

Shares 114,170 Value ($000) $12,770 Avg Close $125.39 Range $109.48 - $141.92

Q2 2022

Shares 113,740 Value ($000) $13,262 Avg Close $128.58 Range $112.28 - $146.71

Q1 2022

Shares 108,343 Value ($000) $15,271 Avg Close $143.53 Range $121.29 - $171.22

Q4 2021

Shares 110,144 Value ($000) $18,120 Avg Close $167.52 Range $146.96 - $191.42

Q3 2021

Shares 113,400 Value ($000) $17,134 Avg Close $163.56 Range $146.02 - $180.77

Q2 2021

Shares 118,186 Value ($000) $18,225 Avg Close $159.33 Range $147.97 - $176.63

Q1 2021

Shares 127,295 Value ($000) $18,971 Avg Close $130.58 Range $98.76 - $153.37

Q4 2020

Shares 132,584 Value ($000) $13,484 Avg Close $86.25 Range $66.34 - $103.21

Q3 2020

Shares 127,345 Value ($000) $8,708 Avg Close $69.80 Range $62.10 - $75.77

Q2 2020

Shares 131,567 Value ($000) $9,810 Avg Close $67.48 Range $53.23 - $82.32

Q1 2020

Shares 134,712 Value ($000) $7,967 Avg Close $74.64 Range $44.30 - $88.80

Q4 2019

Shares 122,371 Value ($000) $10,370 Avg Close $81.44 Range $70.43 - $87.94

Q3 2019

Shares 84,064 Value ($000) $7,007 Avg Close $82.65 Range $73.22 - $92.84

Q2 2019

Shares 83,477 Value ($000) $7,692 Avg Close $96.65 Range $82.01 - $113.84

Q1 2019

Shares 83,060 Value ($000) $8,897 Avg Close $104.33 Range $93.26 - $110.96

Q4 2018

Shares 92,789 Value ($000) $9,041 Avg Close $110.59 Range $86.74 - $136.36

Q3 2018

Shares 100,326 Value ($000) $13,717 Avg Close $144.30 Range $133.37 - $159.64

Q2 2018

Shares 102,728 Value ($000) $15,273 Avg Close $160.74 Range $145.08 - $182.71

Q1 2018

Shares 104,984 Value ($000) $19,903 Avg Close $189.64 Range $169.45 - $211.08

Q4 2017

Shares 104,932 Value ($000) $21,537 Avg Close $188.42 Range $173.99 - $202.01

Q3 2017

Shares 103,393 Value ($000) $19,627 Avg Close $172.79 Range $161.15 - $186.54

Q2 2017

Shares 101,245 Value ($000) $16,792 Avg Close $154.87 Range $144.44 - $164.19

Q1 2017

Shares 104,785 Value ($000) $17,178 Avg Close $153.31 Range $135.07 - $166.39

Q4 2016

Shares 100,035 Value ($000) $14,535 Avg Close $140.58 Range $126.32 - $157.66

Q3 2016

Shares 94,359 Value ($000) $13,654 Avg Close $138.59 Range $126.84 - $143.96

Q2 2016

Shares 90,663 Value ($000) $12,763 Avg Close $158.47 Range $126.98 - $174.12

Q1 2016

Shares 88,099 Value ($000) $14,307 Avg Close $135.06 Range $112.27 - $159.84

Q4 2015

Shares 87,380 Value ($000) $13,960 Avg Close $166.43 Range $137.16 - $184.66

Q3 2015

Shares 87,333 Value ($000) $14,933 Avg Close $190.37 Range $159.30 - $214.73

Q2 2015

Shares 88,239 Value ($000) $19,289 Avg Close $215.27 Range $205.22 - $223.28

Q1 2015

Shares 80,017 Value ($000) $17,186 Avg Close $204.27 Range $185.26 - $214.40

Q4 2014

Shares 79,679 Value ($000) $16,911 Avg Close $192.32 Range $168.87 - $209.59

Q3 2014

Shares 78,851 Value ($000) $15,799 Avg Close $197.54 Range $186.21 - $207.58

Q2 2014

Shares 74,465 Value ($000) $15,295 Avg Close $187.17 Range $171.21 - $199.62

Q1 2014

Shares 84,544 Value ($000) $16,913 Avg Close $190.16 Range $175.09 - $212.40

Q4 2013

Shares 86,271 Value ($000) $18,710 Avg Close $193.15 Range $175.92 - $210.55

Q3 2013

Shares 94,469 Value ($000) $17,254 Avg Close $171.93 Range $151.62 - $183.39

Q2 2013

Shares 94,584 Value ($000) $15,506 Avg Close $153.14 Range $138.12 - $166.12

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	76,392	$22,022	$258.45	$230.09 - $299.69
Q3 2025	81,059	$19,327	$220.39	$194.74 - $250.14
Q2 2025	78,601	$15,466	$173.47	$139.20 - $199.47
Q1 2025	81,856	$13,754	$174.30	$151.61 - $191.09
Q4 2024	85,533	$15,817	$186.57	$173.54 - $199.47
Q3 2024	87,885	$15,626	$169.81	$152.32 - $189.75
Q2 2024	91,513	$14,297	$159.16	$147.08 - $169.59
Q1 2024	102,256	$17,125	$155.40	$145.30 - $167.84
Q4 2023	107,429	$16,267	$134.30	$120.16 - $156.31
Q3 2023	110,896	$14,454	$139.81	$129.01 - $163.83
Q2 2023	114,137	$17,108	$143.06	$135.39 - $151.92
Q1 2023	115,020	$16	$157.88	$132.31 - $180.50
Q4 2022	117,529	$19	$141.36	$108.04 - $163.24
Q3 2022	114,170	$12,770	$125.39	$109.48 - $141.92
Q2 2022	113,740	$13,262	$128.58	$112.28 - $146.71
Q1 2022	108,343	$15,271	$143.53	$121.29 - $171.22
Q4 2021	110,144	$18,120	$167.52	$146.96 - $191.42
Q3 2021	113,400	$17,134	$163.56	$146.02 - $180.77
Q2 2021	118,186	$18,225	$159.33	$147.97 - $176.63
Q1 2021	127,295	$18,971	$130.58	$98.76 - $153.37
Q4 2020	132,584	$13,484	$86.25	$66.34 - $103.21
Q3 2020	127,345	$8,708	$69.80	$62.10 - $75.77
Q2 2020	131,567	$9,810	$67.48	$53.23 - $82.32
Q1 2020	134,712	$7,967	$74.64	$44.30 - $88.80
Q4 2019	122,371	$10,370	$81.44	$70.43 - $87.94
Q3 2019	84,064	$7,007	$82.65	$73.22 - $92.84
Q2 2019	83,477	$7,692	$96.65	$82.01 - $113.84
Q1 2019	83,060	$8,897	$104.33	$93.26 - $110.96
Q4 2018	92,789	$9,041	$110.59	$86.74 - $136.36
Q3 2018	100,326	$13,717	$144.30	$133.37 - $159.64
Q2 2018	102,728	$15,273	$160.74	$145.08 - $182.71
Q1 2018	104,984	$19,903	$189.64	$169.45 - $211.08
Q4 2017	104,932	$21,537	$188.42	$173.99 - $202.01
Q3 2017	103,393	$19,627	$172.79	$161.15 - $186.54
Q2 2017	101,245	$16,792	$154.87	$144.44 - $164.19
Q1 2017	104,785	$17,178	$153.31	$135.07 - $166.39
Q4 2016	100,035	$14,535	$140.58	$126.32 - $157.66
Q3 2016	94,359	$13,654	$138.59	$126.84 - $143.96
Q2 2016	90,663	$12,763	$158.47	$126.98 - $174.12
Q1 2016	88,099	$14,307	$135.06	$112.27 - $159.84
Q4 2015	87,380	$13,960	$166.43	$137.16 - $184.66
Q3 2015	87,333	$14,933	$190.37	$159.30 - $214.73
Q2 2015	88,239	$19,289	$215.27	$205.22 - $223.28
Q1 2015	80,017	$17,186	$204.27	$185.26 - $214.40
Q4 2014	79,679	$16,911	$192.32	$168.87 - $209.59
Q3 2014	78,851	$15,799	$197.54	$186.21 - $207.58
Q2 2014	74,465	$15,295	$187.17	$171.21 - $199.62
Q1 2014	84,544	$16,913	$190.16	$175.09 - $212.40
Q4 2013	86,271	$18,710	$193.15	$175.92 - $210.55
Q3 2013	94,469	$17,254	$171.93	$151.62 - $183.39
Q2 2013	94,584	$15,506	$153.14	$138.12 - $166.12