AFFILIATED MANAGERS GROUP

Ticker: AMG CUSIP: 008252108 Class: COM

Sepio Capital, LP's Holding History (CIK: 0001751412)

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

Q4 2025

Shares 2,648 Value ($000) $763 Avg Close $258.45 Range $230.09 - $299.69

Q3 2025

Shares 2,696 Value ($000) $643 Avg Close $220.39 Range $194.74 - $250.14

Q2 2025

Shares 2,688 Value ($000) $529 Avg Close $173.47 Range $139.20 - $199.47

Q1 2025

Shares 6,400 Value ($000) $1,075 Avg Close $174.30 Range $151.61 - $191.09

Q4 2024

Shares 6,465 Value ($000) $1,196 Avg Close $186.57 Range $173.54 - $199.47

Q3 2024

Shares 7,098 Value ($000) $1,262 Avg Close $169.81 Range $152.32 - $189.75

Q2 2024

Shares 7,102 Value ($000) $1,110 Avg Close $159.16 Range $147.08 - $169.59

Q1 2024

Shares 7,273 Value ($000) $1,218 Avg Close $155.40 Range $145.30 - $167.84

Q4 2023

Shares 8,084 Value ($000) $1,224 Avg Close $134.30 Range $120.16 - $156.31

Q3 2023

Shares 8,408 Value ($000) $1,096 Avg Close $139.81 Range $129.01 - $163.83

Q2 2023

Shares 8,408 Value ($000) $1,260 Avg Close $143.06 Range $135.39 - $151.92

Q1 2023

Shares 8,634 Value ($000) $1,230 Avg Close $157.88 Range $132.31 - $180.50

Q4 2022

Shares 11,029 Value ($000) $1,747 Avg Close $141.36 Range $108.04 - $163.24

Q3 2022

Shares 11,394 Value ($000) $1,274 Avg Close $125.39 Range $109.48 - $141.92

Q2 2022

Shares 11,534 Value ($000) $1,345 Avg Close $128.58 Range $112.28 - $146.71

Q1 2022

Shares 11,252 Value ($000) $1,586 Avg Close $143.53 Range $121.29 - $171.22

Q4 2021

Shares 11,871 Value ($000) $1,953 Avg Close $167.52 Range $146.96 - $191.42

Q3 2021

Shares 12,989 Value ($000) $1,963 Avg Close $163.56 Range $146.02 - $180.77

Q2 2021

Shares 13,433 Value ($000) $2,072 Avg Close $159.33 Range $147.97 - $176.63

Q1 2021

Shares 13,436 Value ($000) $2,002 Avg Close $130.58 Range $98.76 - $153.37

Q4 2020

Shares 12,773 Value ($000) $1,299 Avg Close $86.25 Range $66.34 - $103.21

Q3 2020

Shares 7,925 Value ($000) $542 Avg Close $69.80 Range $62.10 - $75.77

Q2 2020

Shares 5,974 Value ($000) $445 Avg Close $67.48 Range $53.23 - $82.32

Q1 2020

Shares 4,017 Value ($000) $238 Avg Close $74.64 Range $44.30 - $88.80

Q4 2019

Shares 4,017 Value ($000) $340 Avg Close $81.44 Range $70.43 - $87.94

Q3 2019

Shares 4,153 Value ($000) $346 Avg Close $82.65 Range $73.22 - $92.84

Q2 2019

Shares 3,910 Value ($000) $360 Avg Close $96.65 Range $82.01 - $113.84

Q1 2019

Shares 3,910 Value ($000) $419 Avg Close $104.33 Range $93.26 - $110.96

Q4 2018

Shares 3,440 Value ($000) $335 Avg Close $110.59 Range $86.74 - $136.36

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	2,648	$763	$258.45	$230.09 - $299.69
Q3 2025	2,696	$643	$220.39	$194.74 - $250.14
Q2 2025	2,688	$529	$173.47	$139.20 - $199.47
Q1 2025	6,400	$1,075	$174.30	$151.61 - $191.09
Q4 2024	6,465	$1,196	$186.57	$173.54 - $199.47
Q3 2024	7,098	$1,262	$169.81	$152.32 - $189.75
Q2 2024	7,102	$1,110	$159.16	$147.08 - $169.59
Q1 2024	7,273	$1,218	$155.40	$145.30 - $167.84
Q4 2023	8,084	$1,224	$134.30	$120.16 - $156.31
Q3 2023	8,408	$1,096	$139.81	$129.01 - $163.83
Q2 2023	8,408	$1,260	$143.06	$135.39 - $151.92
Q1 2023	8,634	$1,230	$157.88	$132.31 - $180.50
Q4 2022	11,029	$1,747	$141.36	$108.04 - $163.24
Q3 2022	11,394	$1,274	$125.39	$109.48 - $141.92
Q2 2022	11,534	$1,345	$128.58	$112.28 - $146.71
Q1 2022	11,252	$1,586	$143.53	$121.29 - $171.22
Q4 2021	11,871	$1,953	$167.52	$146.96 - $191.42
Q3 2021	12,989	$1,963	$163.56	$146.02 - $180.77
Q2 2021	13,433	$2,072	$159.33	$147.97 - $176.63
Q1 2021	13,436	$2,002	$130.58	$98.76 - $153.37
Q4 2020	12,773	$1,299	$86.25	$66.34 - $103.21
Q3 2020	7,925	$542	$69.80	$62.10 - $75.77
Q2 2020	5,974	$445	$67.48	$53.23 - $82.32
Q1 2020	4,017	$238	$74.64	$44.30 - $88.80
Q4 2019	4,017	$340	$81.44	$70.43 - $87.94
Q3 2019	4,153	$346	$82.65	$73.22 - $92.84
Q2 2019	3,910	$360	$96.65	$82.01 - $113.84
Q1 2019	3,910	$419	$104.33	$93.26 - $110.96
Q4 2018	3,440	$335	$110.59	$86.74 - $136.36