AFFILIATED MANAGERS GROUP

Ticker: AMG CUSIP: 008252108 Class: COM

PRICE T ROWE ASSOCIATES INC /MD/'s Holding History (CIK: 0000080255)

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

Q4 2025

Shares 242,292 Value ($000) $70 Avg Close $258.45 Range $230.09 - $299.69

Q3 2025

Shares 244,253 Value ($000) $58 Avg Close $220.39 Range $194.74 - $250.14

Q2 2025

Shares 234,080 Value ($000) $46 Avg Close $173.47 Range $139.20 - $199.47

Q1 2025

Shares 232,981 Value ($000) $39 Avg Close $174.30 Range $151.61 - $191.09

Q4 2024

Shares 227,296 Value ($000) $42 Avg Close $186.57 Range $173.54 - $199.47

Q3 2024

Shares 79,217 Value ($000) $14 Avg Close $169.81 Range $152.32 - $189.75

Q2 2024

Shares 76,380 Value ($000) $12 Avg Close $159.16 Range $147.08 - $169.59

Q1 2024

Shares 69,919 Value ($000) $12 Avg Close $155.40 Range $145.30 - $167.84

Q4 2023

Shares 67,729 Value ($000) $10 Avg Close $134.30 Range $120.16 - $156.31

Q3 2023

Shares 58,154 Value ($000) $8 Avg Close $139.81 Range $129.01 - $163.83

Q2 2023

Shares 33,603 Value ($000) $5 Avg Close $143.06 Range $135.39 - $151.92

Q1 2023

Shares 20,961 Value ($000) $3 Avg Close $157.88 Range $132.31 - $180.50

Q4 2022

Shares 20,115 Value ($000) $3 Avg Close $141.36 Range $108.04 - $163.24

Q3 2022

Shares 20,072 Value ($000) $2,246 Avg Close $125.39 Range $109.48 - $141.92

Q2 2022

Shares 22,106 Value ($000) $2,578 Avg Close $128.58 Range $112.28 - $146.71

Q1 2022

Shares 23,515 Value ($000) $3,314 Avg Close $143.53 Range $121.29 - $171.22

Q4 2021

Shares 20,246 Value ($000) $3,331 Avg Close $167.52 Range $146.96 - $191.42

Q3 2021

Shares 20,952 Value ($000) $3,166 Avg Close $163.56 Range $146.02 - $180.77

Q2 2021

Shares 20,324 Value ($000) $3,134 Avg Close $159.33 Range $147.97 - $176.63

Q1 2021

Shares 18,499 Value ($000) $2,757 Avg Close $130.58 Range $98.76 - $153.37

Q4 2020

Shares 14,100 Value ($000) $1,434 Avg Close $86.25 Range $66.34 - $103.21

Q3 2020

Shares 19,258 Value ($000) $1,317 Avg Close $69.80 Range $62.10 - $75.77

Q2 2020

Shares 21,013 Value ($000) $1,567 Avg Close $67.48 Range $53.23 - $82.32

Q1 2020

Shares 22,857 Value ($000) $1,352 Avg Close $74.64 Range $44.30 - $88.80

Q4 2019

Shares 16,609 Value ($000) $1,407 Avg Close $81.44 Range $70.43 - $87.94

Q3 2019

Shares 98,644 Value ($000) $8,222 Avg Close $82.65 Range $73.22 - $92.84

Q2 2019

Shares 98,992 Value ($000) $9,121 Avg Close $96.65 Range $82.01 - $113.84

Q1 2019

Shares 98,903 Value ($000) $10,594 Avg Close $104.33 Range $93.26 - $110.96

Q4 2018

Shares 97,723 Value ($000) $9,522 Avg Close $110.59 Range $86.74 - $136.36

Q3 2018

Shares 97,228 Value ($000) $13,293 Avg Close $144.30 Range $133.37 - $159.64

Q2 2018

Shares 99,200 Value ($000) $14,748 Avg Close $160.74 Range $145.08 - $182.71

Q1 2018

Shares 98,996 Value ($000) $18,768 Avg Close $189.64 Range $169.45 - $211.08

Q4 2017

Shares 99,734 Value ($000) $20,470 Avg Close $188.42 Range $173.99 - $202.01

Q3 2017

Shares 104,374 Value ($000) $19,813 Avg Close $172.79 Range $161.15 - $186.54

Q2 2017

Shares 104,822 Value ($000) $17,386 Avg Close $154.87 Range $144.44 - $164.19

Q1 2017

Shares 138,586 Value ($000) $22,720 Avg Close $153.31 Range $135.07 - $166.39

Q4 2016

Shares 132,295 Value ($000) $19,222 Avg Close $140.58 Range $126.32 - $157.66

Q3 2016

Shares 132,344 Value ($000) $19,150 Avg Close $138.59 Range $126.84 - $143.96

Q2 2016

Shares 1,732,090 Value ($000) $243,826 Avg Close $158.47 Range $126.98 - $174.12

Q1 2016

Shares 2,141,683 Value ($000) $347,809 Avg Close $135.06 Range $112.27 - $159.84

Q4 2015

Shares 1,239,639 Value ($000) $198,045 Avg Close $166.43 Range $137.16 - $184.66

Q3 2015

Shares 1,214,839 Value ($000) $207,725 Avg Close $190.37 Range $159.30 - $214.73

Q2 2015

Shares 895,639 Value ($000) $195,787 Avg Close $215.27 Range $205.22 - $223.28

Q1 2015

Shares 248,745 Value ($000) $53,425 Avg Close $204.27 Range $185.26 - $214.40

Q4 2014

Shares 136,599 Value ($000) $28,992 Avg Close $192.32 Range $168.87 - $209.59

Q3 2014

Shares 139,089 Value ($000) $27,868 Avg Close $197.54 Range $186.21 - $207.58

Q2 2014

Shares 137,289 Value ($000) $28,199 Avg Close $187.17 Range $171.21 - $199.62

Q1 2014

Shares 67,787 Value ($000) $13,561 Avg Close $190.16 Range $175.09 - $212.40

Q4 2013

Shares 1,078,679 Value ($000) $233,944 Avg Close $193.15 Range $175.92 - $210.55

Q3 2013

Shares 1,077,979 Value ($000) $196,882 Avg Close $171.93 Range $151.62 - $183.39

Q2 2013

Shares 941,979 Value ($000) $154,428 Avg Close $153.14 Range $138.12 - $166.12

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	242,292	$70	$258.45	$230.09 - $299.69
Q3 2025	244,253	$58	$220.39	$194.74 - $250.14
Q2 2025	234,080	$46	$173.47	$139.20 - $199.47
Q1 2025	232,981	$39	$174.30	$151.61 - $191.09
Q4 2024	227,296	$42	$186.57	$173.54 - $199.47
Q3 2024	79,217	$14	$169.81	$152.32 - $189.75
Q2 2024	76,380	$12	$159.16	$147.08 - $169.59
Q1 2024	69,919	$12	$155.40	$145.30 - $167.84
Q4 2023	67,729	$10	$134.30	$120.16 - $156.31
Q3 2023	58,154	$8	$139.81	$129.01 - $163.83
Q2 2023	33,603	$5	$143.06	$135.39 - $151.92
Q1 2023	20,961	$3	$157.88	$132.31 - $180.50
Q4 2022	20,115	$3	$141.36	$108.04 - $163.24
Q3 2022	20,072	$2,246	$125.39	$109.48 - $141.92
Q2 2022	22,106	$2,578	$128.58	$112.28 - $146.71
Q1 2022	23,515	$3,314	$143.53	$121.29 - $171.22
Q4 2021	20,246	$3,331	$167.52	$146.96 - $191.42
Q3 2021	20,952	$3,166	$163.56	$146.02 - $180.77
Q2 2021	20,324	$3,134	$159.33	$147.97 - $176.63
Q1 2021	18,499	$2,757	$130.58	$98.76 - $153.37
Q4 2020	14,100	$1,434	$86.25	$66.34 - $103.21
Q3 2020	19,258	$1,317	$69.80	$62.10 - $75.77
Q2 2020	21,013	$1,567	$67.48	$53.23 - $82.32
Q1 2020	22,857	$1,352	$74.64	$44.30 - $88.80
Q4 2019	16,609	$1,407	$81.44	$70.43 - $87.94
Q3 2019	98,644	$8,222	$82.65	$73.22 - $92.84
Q2 2019	98,992	$9,121	$96.65	$82.01 - $113.84
Q1 2019	98,903	$10,594	$104.33	$93.26 - $110.96
Q4 2018	97,723	$9,522	$110.59	$86.74 - $136.36
Q3 2018	97,228	$13,293	$144.30	$133.37 - $159.64
Q2 2018	99,200	$14,748	$160.74	$145.08 - $182.71
Q1 2018	98,996	$18,768	$189.64	$169.45 - $211.08
Q4 2017	99,734	$20,470	$188.42	$173.99 - $202.01
Q3 2017	104,374	$19,813	$172.79	$161.15 - $186.54
Q2 2017	104,822	$17,386	$154.87	$144.44 - $164.19
Q1 2017	138,586	$22,720	$153.31	$135.07 - $166.39
Q4 2016	132,295	$19,222	$140.58	$126.32 - $157.66
Q3 2016	132,344	$19,150	$138.59	$126.84 - $143.96
Q2 2016	1,732,090	$243,826	$158.47	$126.98 - $174.12
Q1 2016	2,141,683	$347,809	$135.06	$112.27 - $159.84
Q4 2015	1,239,639	$198,045	$166.43	$137.16 - $184.66
Q3 2015	1,214,839	$207,725	$190.37	$159.30 - $214.73
Q2 2015	895,639	$195,787	$215.27	$205.22 - $223.28
Q1 2015	248,745	$53,425	$204.27	$185.26 - $214.40
Q4 2014	136,599	$28,992	$192.32	$168.87 - $209.59
Q3 2014	139,089	$27,868	$197.54	$186.21 - $207.58
Q2 2014	137,289	$28,199	$187.17	$171.21 - $199.62
Q1 2014	67,787	$13,561	$190.16	$175.09 - $212.40
Q4 2013	1,078,679	$233,944	$193.15	$175.92 - $210.55
Q3 2013	1,077,979	$196,882	$171.93	$151.62 - $183.39
Q2 2013	941,979	$154,428	$153.14	$138.12 - $166.12