AFFILIATED MANAGERS GROUP

Ticker: AMG CUSIP: 008252108 Class: COM

MILLENNIUM MANAGEMENT LLC's Holding History (CIK: 0001273087)

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

Q4 2025

Shares 796,010 Value ($000) $229,474 Avg Close $258.45 Range $230.09 - $299.69

Q3 2025

Shares 1,017,113 Value ($000) $242,510 Avg Close $220.39 Range $194.74 - $250.14

Q2 2025

Shares 1,569,326 Value ($000) $308,796 Avg Close $173.47 Range $139.20 - $199.47

Q1 2025

Shares 1,265,655 Value ($000) $212,668 Avg Close $174.30 Range $151.61 - $191.09

Q4 2024

Shares 305,497 Value ($000) $56,493 Avg Close $186.57 Range $173.54 - $199.47

Q3 2024

Shares 139,953 Value ($000) $24,884 Avg Close $169.81 Range $152.32 - $189.75

Q2 2024

Shares 104,297 Value ($000) $16,294 Avg Close $159.16 Range $147.08 - $169.59

Q1 2024

Shares 96,684 Value ($000) $16,192 Avg Close $155.40 Range $145.30 - $167.84

Q4 2023

Shares 305,745 Value ($000) $46,296 Avg Close $134.30 Range $120.16 - $156.31

Q3 2023

Shares 436,184 Value ($000) $56,852 Avg Close $139.81 Range $129.01 - $163.83

Q2 2023

Shares 83,820 Value ($000) $12,564 Avg Close $143.06 Range $135.39 - $151.92

Q1 2023

Shares 238,533 Value ($000) $34 Avg Close $157.88 Range $132.31 - $180.50

Q4 2022

Shares 399,602 Value ($000) $63 Avg Close $141.36 Range $108.04 - $163.24

Q3 2022

Shares 300,879 Value ($000) $33,653 Avg Close $125.39 Range $109.48 - $141.92

Q2 2022

Shares 90,816 Value ($000) $10,589 Avg Close $128.58 Range $112.28 - $146.71

Q1 2022

Shares 91,504 Value ($000) $12,897 Avg Close $143.53 Range $121.29 - $171.22

Q4 2021

Shares 99,153 Value ($000) $16,312 Avg Close $167.52 Range $146.96 - $191.42

Q3 2021

Shares 49,687 Value ($000) $7,507 Avg Close $163.56 Range $146.02 - $180.77

Q2 2021

Shares 147,116 Value ($000) $22,687 Avg Close $159.33 Range $147.97 - $176.63

Q1 2021

Shares 26,938 Value ($000) $4,015 Avg Close $130.58 Range $98.76 - $153.37

Q4 2020

Shares 60,138 Value ($000) $6,116 Avg Close $86.25 Range $66.34 - $103.21

Q3 2020

Shares 25,838 Value ($000) $1,767 Avg Close $69.80 Range $62.10 - $75.77

Q2 2020

Shares 56,190 Value ($000) $4,190 Avg Close $67.48 Range $53.23 - $82.32

Q1 2020

Shares 71,800 Value ($000) $4,246 Avg Close $74.64 Range $44.30 - $88.80

Q4 2019

Shares 264,786 Value ($000) $22,438 Avg Close $81.44 Range $70.43 - $87.94

Q3 2019

Shares 112,643 Value ($000) $9,388 Avg Close $82.65 Range $73.22 - $92.84

Q2 2019

Shares 21,626 Value ($000) $1,993 Avg Close $96.65 Range $82.01 - $113.84

Q1 2019

Shares 26,230 Value ($000) $2,809 Avg Close $104.33 Range $93.26 - $110.96

Q4 2018

Shares 283,500 Value ($000) $27,624 Avg Close $110.59 Range $86.74 - $136.36

Q3 2018

Shares 248,946 Value ($000) $34,036 Avg Close $144.30 Range $133.37 - $159.64

Q2 2018

Shares 340,348 Value ($000) $50,600 Avg Close $160.74 Range $145.08 - $182.71

Q1 2018

Shares 181,359 Value ($000) $34,382 Avg Close $189.64 Range $169.45 - $211.08

Q4 2017

Shares 59,069 Value ($000) $12,124 Avg Close $188.42 Range $173.99 - $202.01

Q3 2017

Shares 6,301 Value ($000) $1,196 Avg Close $172.79 Range $161.15 - $186.54

Q1 2017

Shares 231,330 Value ($000) $37,924 Avg Close $153.31 Range $135.07 - $166.39

Q4 2016

Shares 131,981 Value ($000) $19,177 Avg Close $140.58 Range $126.32 - $157.66

Q3 2016

Shares 316,451 Value ($000) $45,790 Avg Close $138.59 Range $126.84 - $143.96

Q2 2016

Shares 242,635 Value ($000) $34,156 Avg Close $158.47 Range $126.98 - $174.12

Q1 2016

Shares 143,040 Value ($000) $23,230 Avg Close $135.06 Range $112.27 - $159.84

Q4 2015

Shares 121,438 Value ($000) $19,401 Avg Close $166.43 Range $137.16 - $184.66

Q3 2015

Shares 280,954 Value ($000) $48,040 Avg Close $190.37 Range $159.30 - $214.73

Q2 2015

Shares 9,490 Value ($000) $2,075 Avg Close $215.27 Range $205.22 - $223.28

Q1 2015

Shares 73,330 Value ($000) $15,750 Avg Close $204.27 Range $185.26 - $214.40

Q4 2014

Shares 32,387 Value ($000) $6,874 Avg Close $192.32 Range $168.87 - $209.59

Q3 2014

Shares 187,600 Value ($000) $37,588 Avg Close $197.54 Range $186.21 - $207.58

Q2 2014

Shares 237,591 Value ($000) $48,801 Avg Close $187.17 Range $171.21 - $199.62

Q1 2014

Shares 260,046 Value ($000) $52,022 Avg Close $190.16 Range $175.09 - $212.40

Q4 2013

Shares 36,863 Value ($000) $7,995 Avg Close $193.15 Range $175.92 - $210.55

Q3 2013

Shares 24,990 Value ($000) $4,564 Avg Close $171.93 Range $151.62 - $183.39

Q2 2013

Shares 38 Value ($000) $6 Avg Close $153.14 Range $138.12 - $166.12

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	796,010	$229,474	$258.45	$230.09 - $299.69
Q3 2025	1,017,113	$242,510	$220.39	$194.74 - $250.14
Q2 2025	1,569,326	$308,796	$173.47	$139.20 - $199.47
Q1 2025	1,265,655	$212,668	$174.30	$151.61 - $191.09
Q4 2024	305,497	$56,493	$186.57	$173.54 - $199.47
Q3 2024	139,953	$24,884	$169.81	$152.32 - $189.75
Q2 2024	104,297	$16,294	$159.16	$147.08 - $169.59
Q1 2024	96,684	$16,192	$155.40	$145.30 - $167.84
Q4 2023	305,745	$46,296	$134.30	$120.16 - $156.31
Q3 2023	436,184	$56,852	$139.81	$129.01 - $163.83
Q2 2023	83,820	$12,564	$143.06	$135.39 - $151.92
Q1 2023	238,533	$34	$157.88	$132.31 - $180.50
Q4 2022	399,602	$63	$141.36	$108.04 - $163.24
Q3 2022	300,879	$33,653	$125.39	$109.48 - $141.92
Q2 2022	90,816	$10,589	$128.58	$112.28 - $146.71
Q1 2022	91,504	$12,897	$143.53	$121.29 - $171.22
Q4 2021	99,153	$16,312	$167.52	$146.96 - $191.42
Q3 2021	49,687	$7,507	$163.56	$146.02 - $180.77
Q2 2021	147,116	$22,687	$159.33	$147.97 - $176.63
Q1 2021	26,938	$4,015	$130.58	$98.76 - $153.37
Q4 2020	60,138	$6,116	$86.25	$66.34 - $103.21
Q3 2020	25,838	$1,767	$69.80	$62.10 - $75.77
Q2 2020	56,190	$4,190	$67.48	$53.23 - $82.32
Q1 2020	71,800	$4,246	$74.64	$44.30 - $88.80
Q4 2019	264,786	$22,438	$81.44	$70.43 - $87.94
Q3 2019	112,643	$9,388	$82.65	$73.22 - $92.84
Q2 2019	21,626	$1,993	$96.65	$82.01 - $113.84
Q1 2019	26,230	$2,809	$104.33	$93.26 - $110.96
Q4 2018	283,500	$27,624	$110.59	$86.74 - $136.36
Q3 2018	248,946	$34,036	$144.30	$133.37 - $159.64
Q2 2018	340,348	$50,600	$160.74	$145.08 - $182.71
Q1 2018	181,359	$34,382	$189.64	$169.45 - $211.08
Q4 2017	59,069	$12,124	$188.42	$173.99 - $202.01
Q3 2017	6,301	$1,196	$172.79	$161.15 - $186.54
Q1 2017	231,330	$37,924	$153.31	$135.07 - $166.39
Q4 2016	131,981	$19,177	$140.58	$126.32 - $157.66
Q3 2016	316,451	$45,790	$138.59	$126.84 - $143.96
Q2 2016	242,635	$34,156	$158.47	$126.98 - $174.12
Q1 2016	143,040	$23,230	$135.06	$112.27 - $159.84
Q4 2015	121,438	$19,401	$166.43	$137.16 - $184.66
Q3 2015	280,954	$48,040	$190.37	$159.30 - $214.73
Q2 2015	9,490	$2,075	$215.27	$205.22 - $223.28
Q1 2015	73,330	$15,750	$204.27	$185.26 - $214.40
Q4 2014	32,387	$6,874	$192.32	$168.87 - $209.59
Q3 2014	187,600	$37,588	$197.54	$186.21 - $207.58
Q2 2014	237,591	$48,801	$187.17	$171.21 - $199.62
Q1 2014	260,046	$52,022	$190.16	$175.09 - $212.40
Q4 2013	36,863	$7,995	$193.15	$175.92 - $210.55
Q3 2013	24,990	$4,564	$171.93	$151.62 - $183.39
Q2 2013	38	$6	$153.14	$138.12 - $166.12