AFFILIATED MANAGERS GROUP

Ticker: AMG CUSIP: 008252108 Class: COM

D. E. Shaw & Co., Inc.'s Holding History (CIK: 0001009207)

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

Q4 2025

Shares 39,261 Value ($000) $11,318 Avg Close $258.45 Range $230.09 - $299.69

Q3 2025

Shares 44,610 Value ($000) $10,636 Avg Close $220.39 Range $194.74 - $250.14

Q2 2025

Shares 47,072 Value ($000) $9,262 Avg Close $173.47 Range $139.20 - $199.47

Q1 2025

Shares 53,243 Value ($000) $8,946 Avg Close $174.30 Range $151.61 - $191.09

Q4 2024

Shares 70,122 Value ($000) $12,967 Avg Close $186.57 Range $173.54 - $199.47

Q3 2024

Shares 143,218 Value ($000) $25,464 Avg Close $169.81 Range $152.32 - $189.75

Q2 2024

Shares 195,756 Value ($000) $30,583 Avg Close $159.16 Range $147.08 - $169.59

Q1 2024

Shares 237,413 Value ($000) $39,760 Avg Close $155.40 Range $145.30 - $167.84

Q4 2023

Shares 301,243 Value ($000) $45,614 Avg Close $134.30 Range $120.16 - $156.31

Q3 2023

Shares 205,952 Value ($000) $26,844 Avg Close $139.81 Range $129.01 - $163.83

Q2 2023

Shares 208,315 Value ($000) $31,224 Avg Close $143.06 Range $135.39 - $151.92

Q1 2023

Shares 263,811 Value ($000) $37,572 Avg Close $157.88 Range $132.31 - $180.50

Q4 2022

Shares 215,168 Value ($000) $34,089 Avg Close $141.36 Range $108.04 - $163.24

Q3 2022

Shares 82,606 Value ($000) $9,240 Avg Close $125.39 Range $109.48 - $141.92

Q2 2022

Shares 48,252 Value ($000) $5,626 Avg Close $128.58 Range $112.28 - $146.71

Q1 2022

Shares 47,255 Value ($000) $6,661 Avg Close $143.53 Range $121.29 - $171.22

Q4 2021

Shares 27,833 Value ($000) $4,579 Avg Close $167.52 Range $146.96 - $191.42

Q3 2021

Shares 59,486 Value ($000) $8,988 Avg Close $163.56 Range $146.02 - $180.77

Q2 2021

Shares 101,345 Value ($000) $15,628 Avg Close $159.33 Range $147.97 - $176.63

Q1 2021

Shares 40,243 Value ($000) $5,997 Avg Close $130.58 Range $98.76 - $153.37

Q4 2020

Shares 70,500 Value ($000) $7,170 Avg Close $86.25 Range $66.34 - $103.21

Q3 2020

Shares 200,858 Value ($000) $13,735 Avg Close $69.80 Range $62.10 - $75.77

Q2 2020

Shares 126,995 Value ($000) $9,469 Avg Close $67.48 Range $53.23 - $82.32

Q1 2020

Shares 219,846 Value ($000) $13,002 Avg Close $74.64 Range $44.30 - $88.80

Q4 2019

Shares 344,617 Value ($000) $29,203 Avg Close $81.44 Range $70.43 - $87.94

Q3 2019

Shares 73,319 Value ($000) $6,111 Avg Close $82.65 Range $73.22 - $92.84

Q2 2019

Shares 140,691 Value ($000) $12,963 Avg Close $96.65 Range $82.01 - $113.84

Q1 2019

Shares 215,167 Value ($000) $23,047 Avg Close $104.33 Range $93.26 - $110.96

Q4 2018

Shares 202,880 Value ($000) $19,768 Avg Close $110.59 Range $86.74 - $136.36

Q3 2018

Shares 270,130 Value ($000) $36,932 Avg Close $144.30 Range $133.37 - $159.64

Q2 2018

Shares 105,813 Value ($000) $15,731 Avg Close $160.74 Range $145.08 - $182.71

Q1 2018

Shares 10,727 Value ($000) $2,033 Avg Close $189.64 Range $169.45 - $211.08

Q4 2017

Shares 10,125 Value ($000) $2,078 Avg Close $188.42 Range $173.99 - $202.01

Q3 2017

Shares 12,489 Value ($000) $2,371 Avg Close $172.79 Range $161.15 - $186.54

Q2 2017

Shares 21,207 Value ($000) $3,518 Avg Close $154.87 Range $144.44 - $164.19

Q1 2017

Shares 43,656 Value ($000) $7,157 Avg Close $153.31 Range $135.07 - $166.39

Q4 2016

Shares 106,901 Value ($000) $15,532 Avg Close $140.58 Range $126.32 - $157.66

Q3 2016

Shares 54,466 Value ($000) $7,881 Avg Close $138.59 Range $126.84 - $143.96

Q2 2016

Shares 7,199 Value ($000) $1,013 Avg Close $158.47 Range $126.98 - $174.12

Q4 2015

Shares 25,704 Value ($000) $4,106 Avg Close $166.43 Range $137.16 - $184.66

Q3 2015

Shares 45,421 Value ($000) $7,767 Avg Close $190.37 Range $159.30 - $214.73

Q2 2015

Shares 11,188 Value ($000) $2,446 Avg Close $215.27 Range $205.22 - $223.28

Q3 2014

Shares 77,496 Value ($000) $15,527 Avg Close $197.54 Range $186.21 - $207.58

Q2 2014

Shares 78,248 Value ($000) $16,072 Avg Close $187.17 Range $171.21 - $199.62

Q1 2014

Shares 83,884 Value ($000) $16,781 Avg Close $190.16 Range $175.09 - $212.40

Q4 2013

Shares 24,958 Value ($000) $5,413 Avg Close $193.15 Range $175.92 - $210.55

Q3 2013

Shares 17,525 Value ($000) $3,201 Avg Close $171.93 Range $151.62 - $183.39

Q2 2013

Shares 5,056 Value ($000) $829 Avg Close $153.14 Range $138.12 - $166.12

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	39,261	$11,318	$258.45	$230.09 - $299.69
Q3 2025	44,610	$10,636	$220.39	$194.74 - $250.14
Q2 2025	47,072	$9,262	$173.47	$139.20 - $199.47
Q1 2025	53,243	$8,946	$174.30	$151.61 - $191.09
Q4 2024	70,122	$12,967	$186.57	$173.54 - $199.47
Q3 2024	143,218	$25,464	$169.81	$152.32 - $189.75
Q2 2024	195,756	$30,583	$159.16	$147.08 - $169.59
Q1 2024	237,413	$39,760	$155.40	$145.30 - $167.84
Q4 2023	301,243	$45,614	$134.30	$120.16 - $156.31
Q3 2023	205,952	$26,844	$139.81	$129.01 - $163.83
Q2 2023	208,315	$31,224	$143.06	$135.39 - $151.92
Q1 2023	263,811	$37,572	$157.88	$132.31 - $180.50
Q4 2022	215,168	$34,089	$141.36	$108.04 - $163.24
Q3 2022	82,606	$9,240	$125.39	$109.48 - $141.92
Q2 2022	48,252	$5,626	$128.58	$112.28 - $146.71
Q1 2022	47,255	$6,661	$143.53	$121.29 - $171.22
Q4 2021	27,833	$4,579	$167.52	$146.96 - $191.42
Q3 2021	59,486	$8,988	$163.56	$146.02 - $180.77
Q2 2021	101,345	$15,628	$159.33	$147.97 - $176.63
Q1 2021	40,243	$5,997	$130.58	$98.76 - $153.37
Q4 2020	70,500	$7,170	$86.25	$66.34 - $103.21
Q3 2020	200,858	$13,735	$69.80	$62.10 - $75.77
Q2 2020	126,995	$9,469	$67.48	$53.23 - $82.32
Q1 2020	219,846	$13,002	$74.64	$44.30 - $88.80
Q4 2019	344,617	$29,203	$81.44	$70.43 - $87.94
Q3 2019	73,319	$6,111	$82.65	$73.22 - $92.84
Q2 2019	140,691	$12,963	$96.65	$82.01 - $113.84
Q1 2019	215,167	$23,047	$104.33	$93.26 - $110.96
Q4 2018	202,880	$19,768	$110.59	$86.74 - $136.36
Q3 2018	270,130	$36,932	$144.30	$133.37 - $159.64
Q2 2018	105,813	$15,731	$160.74	$145.08 - $182.71
Q1 2018	10,727	$2,033	$189.64	$169.45 - $211.08
Q4 2017	10,125	$2,078	$188.42	$173.99 - $202.01
Q3 2017	12,489	$2,371	$172.79	$161.15 - $186.54
Q2 2017	21,207	$3,518	$154.87	$144.44 - $164.19
Q1 2017	43,656	$7,157	$153.31	$135.07 - $166.39
Q4 2016	106,901	$15,532	$140.58	$126.32 - $157.66
Q3 2016	54,466	$7,881	$138.59	$126.84 - $143.96
Q2 2016	7,199	$1,013	$158.47	$126.98 - $174.12
Q4 2015	25,704	$4,106	$166.43	$137.16 - $184.66
Q3 2015	45,421	$7,767	$190.37	$159.30 - $214.73
Q2 2015	11,188	$2,446	$215.27	$205.22 - $223.28
Q3 2014	77,496	$15,527	$197.54	$186.21 - $207.58
Q2 2014	78,248	$16,072	$187.17	$171.21 - $199.62
Q1 2014	83,884	$16,781	$190.16	$175.09 - $212.40
Q4 2013	24,958	$5,413	$193.15	$175.92 - $210.55
Q3 2013	17,525	$3,201	$171.93	$151.62 - $183.39
Q2 2013	5,056	$829	$153.14	$138.12 - $166.12