AFFILIATED MANAGERS GROUP

Ticker: AMG CUSIP: 008252108 Class: COM

CHARLES SCHWAB INVESTMENT MANAGEMENT INC's Holding History (CIK: 0000884546)

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

Q4 2025

Shares 305,596 Value ($000) $88,097 Avg Close $258.45 Range $230.09 - $299.69

Q3 2025

Shares 312,568 Value ($000) $74,526 Avg Close $220.39 Range $194.74 - $250.14

Q2 2025

Shares 311,367 Value ($000) $61,268 Avg Close $173.47 Range $139.20 - $199.47

Q1 2025

Shares 318,466 Value ($000) $53,512 Avg Close $174.30 Range $151.61 - $191.09

Q4 2024

Shares 331,106 Value ($000) $61,228 Avg Close $186.57 Range $173.54 - $199.47

Q3 2024

Shares 328,842 Value ($000) $58,468 Avg Close $169.81 Range $152.32 - $189.75

Q2 2024

Shares 343,063 Value ($000) $53,597 Avg Close $159.16 Range $147.08 - $169.59

Q1 2024

Shares 357,772 Value ($000) $59,916 Avg Close $155.40 Range $145.30 - $167.84

Q4 2023

Shares 350,384 Value ($000) $53,055 Avg Close $134.30 Range $120.16 - $156.31

Q3 2023

Shares 347,027 Value ($000) $45,231 Avg Close $139.81 Range $129.01 - $163.83

Q2 2023

Shares 344,203 Value ($000) $51,593 Avg Close $143.06 Range $135.39 - $151.92

Q1 2023

Shares 356,913 Value ($000) $50,832 Avg Close $157.88 Range $132.31 - $180.50

Q4 2022

Shares 357,296 Value ($000) $56,606 Avg Close $141.36 Range $108.04 - $163.24

Q3 2022

Shares 349,729 Value ($000) $39,118 Avg Close $125.39 Range $109.48 - $141.92

Q2 2022

Shares 339,890 Value ($000) $39,631 Avg Close $128.58 Range $112.28 - $146.71

Q1 2022

Shares 356,281 Value ($000) $50,218 Avg Close $143.53 Range $121.29 - $171.22

Q4 2021

Shares 343,363 Value ($000) $56,487 Avg Close $167.52 Range $146.96 - $191.42

Q3 2021

Shares 343,455 Value ($000) $51,893 Avg Close $163.56 Range $146.02 - $180.77

Q2 2021

Shares 344,529 Value ($000) $53,130 Avg Close $159.33 Range $147.97 - $176.63

Q1 2021

Shares 347,305 Value ($000) $51,759 Avg Close $130.58 Range $98.76 - $153.37

Q4 2020

Shares 482,880 Value ($000) $49,109 Avg Close $86.25 Range $66.34 - $103.21

Q3 2020

Shares 364,053 Value ($000) $24,894 Avg Close $69.80 Range $62.10 - $75.77

Q2 2020

Shares 371,158 Value ($000) $27,674 Avg Close $67.48 Range $53.23 - $82.32

Q1 2020

Shares 368,388 Value ($000) $21,787 Avg Close $74.64 Range $44.30 - $88.80

Q4 2019

Shares 419,539 Value ($000) $35,552 Avg Close $81.44 Range $70.43 - $87.94

Q3 2019

Shares 503,197 Value ($000) $41,942 Avg Close $82.65 Range $73.22 - $92.84

Q2 2019

Shares 471,164 Value ($000) $43,414 Avg Close $96.65 Range $82.01 - $113.84

Q1 2019

Shares 572,002 Value ($000) $61,268 Avg Close $104.33 Range $93.26 - $110.96

Q4 2018

Shares 636,999 Value ($000) $62,070 Avg Close $110.59 Range $86.74 - $136.36

Q3 2018

Shares 630,934 Value ($000) $86,262 Avg Close $144.30 Range $133.37 - $159.64

Q2 2018

Shares 584,135 Value ($000) $86,844 Avg Close $160.74 Range $145.08 - $182.71

Q1 2018

Shares 305,798 Value ($000) $57,974 Avg Close $189.64 Range $169.45 - $211.08

Q4 2017

Shares 283,172 Value ($000) $58,122 Avg Close $188.42 Range $173.99 - $202.01

Q3 2017

Shares 260,870 Value ($000) $49,521 Avg Close $172.79 Range $161.15 - $186.54

Q2 2017

Shares 253,613 Value ($000) $42,065 Avg Close $154.87 Range $144.44 - $164.19

Q1 2017

Shares 273,515 Value ($000) $44,841 Avg Close $153.31 Range $135.07 - $166.39

Q4 2016

Shares 243,889 Value ($000) $35,438 Avg Close $140.58 Range $126.32 - $157.66

Q3 2016

Shares 223,945 Value ($000) $32,405 Avg Close $138.59 Range $126.84 - $143.96

Q2 2016

Shares 165,865 Value ($000) $23,349 Avg Close $158.47 Range $126.98 - $174.12

Q1 2016

Shares 160,287 Value ($000) $26,031 Avg Close $135.06 Range $112.27 - $159.84

Q4 2015

Shares 154,268 Value ($000) $24,646 Avg Close $166.43 Range $137.16 - $184.66

Q3 2015

Shares 194,611 Value ($000) $33,277 Avg Close $190.37 Range $159.30 - $214.73

Q2 2015

Shares 199,630 Value ($000) $43,640 Avg Close $215.27 Range $205.22 - $223.28

Q1 2015

Shares 223,631 Value ($000) $48,032 Avg Close $204.27 Range $185.26 - $214.40

Q4 2014

Shares 149,050 Value ($000) $31,635 Avg Close $192.32 Range $168.87 - $209.59

Q3 2014

Shares 148,616 Value ($000) $29,777 Avg Close $197.54 Range $186.21 - $207.58

Q2 2014

Shares 81,831 Value ($000) $16,809 Avg Close $187.17 Range $171.21 - $199.62

Q1 2014

Shares 81,697 Value ($000) $16,344 Avg Close $190.16 Range $175.09 - $212.40

Q4 2013

Shares 78,069 Value ($000) $16,932 Avg Close $193.15 Range $175.92 - $210.55

Q3 2013

Shares 77,040 Value ($000) $14,253 Avg Close $171.93 Range $151.62 - $183.39

Q2 2013

Shares 86,947 Value ($000) $14,098 Avg Close $153.14 Range $138.12 - $166.12

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	305,596	$88,097	$258.45	$230.09 - $299.69
Q3 2025	312,568	$74,526	$220.39	$194.74 - $250.14
Q2 2025	311,367	$61,268	$173.47	$139.20 - $199.47
Q1 2025	318,466	$53,512	$174.30	$151.61 - $191.09
Q4 2024	331,106	$61,228	$186.57	$173.54 - $199.47
Q3 2024	328,842	$58,468	$169.81	$152.32 - $189.75
Q2 2024	343,063	$53,597	$159.16	$147.08 - $169.59
Q1 2024	357,772	$59,916	$155.40	$145.30 - $167.84
Q4 2023	350,384	$53,055	$134.30	$120.16 - $156.31
Q3 2023	347,027	$45,231	$139.81	$129.01 - $163.83
Q2 2023	344,203	$51,593	$143.06	$135.39 - $151.92
Q1 2023	356,913	$50,832	$157.88	$132.31 - $180.50
Q4 2022	357,296	$56,606	$141.36	$108.04 - $163.24
Q3 2022	349,729	$39,118	$125.39	$109.48 - $141.92
Q2 2022	339,890	$39,631	$128.58	$112.28 - $146.71
Q1 2022	356,281	$50,218	$143.53	$121.29 - $171.22
Q4 2021	343,363	$56,487	$167.52	$146.96 - $191.42
Q3 2021	343,455	$51,893	$163.56	$146.02 - $180.77
Q2 2021	344,529	$53,130	$159.33	$147.97 - $176.63
Q1 2021	347,305	$51,759	$130.58	$98.76 - $153.37
Q4 2020	482,880	$49,109	$86.25	$66.34 - $103.21
Q3 2020	364,053	$24,894	$69.80	$62.10 - $75.77
Q2 2020	371,158	$27,674	$67.48	$53.23 - $82.32
Q1 2020	368,388	$21,787	$74.64	$44.30 - $88.80
Q4 2019	419,539	$35,552	$81.44	$70.43 - $87.94
Q3 2019	503,197	$41,942	$82.65	$73.22 - $92.84
Q2 2019	471,164	$43,414	$96.65	$82.01 - $113.84
Q1 2019	572,002	$61,268	$104.33	$93.26 - $110.96
Q4 2018	636,999	$62,070	$110.59	$86.74 - $136.36
Q3 2018	630,934	$86,262	$144.30	$133.37 - $159.64
Q2 2018	584,135	$86,844	$160.74	$145.08 - $182.71
Q1 2018	305,798	$57,974	$189.64	$169.45 - $211.08
Q4 2017	283,172	$58,122	$188.42	$173.99 - $202.01
Q3 2017	260,870	$49,521	$172.79	$161.15 - $186.54
Q2 2017	253,613	$42,065	$154.87	$144.44 - $164.19
Q1 2017	273,515	$44,841	$153.31	$135.07 - $166.39
Q4 2016	243,889	$35,438	$140.58	$126.32 - $157.66
Q3 2016	223,945	$32,405	$138.59	$126.84 - $143.96
Q2 2016	165,865	$23,349	$158.47	$126.98 - $174.12
Q1 2016	160,287	$26,031	$135.06	$112.27 - $159.84
Q4 2015	154,268	$24,646	$166.43	$137.16 - $184.66
Q3 2015	194,611	$33,277	$190.37	$159.30 - $214.73
Q2 2015	199,630	$43,640	$215.27	$205.22 - $223.28
Q1 2015	223,631	$48,032	$204.27	$185.26 - $214.40
Q4 2014	149,050	$31,635	$192.32	$168.87 - $209.59
Q3 2014	148,616	$29,777	$197.54	$186.21 - $207.58
Q2 2014	81,831	$16,809	$187.17	$171.21 - $199.62
Q1 2014	81,697	$16,344	$190.16	$175.09 - $212.40
Q4 2013	78,069	$16,932	$193.15	$175.92 - $210.55
Q3 2013	77,040	$14,253	$171.93	$151.62 - $183.39
Q2 2013	86,947	$14,098	$153.14	$138.12 - $166.12