AFFILIATED MANAGERS GROUP

Ticker: AMG CUSIP: 008252108 Class: COM

STATE OF WISCONSIN INVESTMENT BOARD's Holding History (CIK: 0000854157)

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

Q4 2025

Shares 9,434 Value ($000) $2,720 Avg Close $258.45 Range $230.09 - $299.69

Q3 2025

Shares 11,260 Value ($000) $2,685 Avg Close $220.39 Range $194.74 - $250.14

Q2 2025

Shares 11,276 Value ($000) $2,219 Avg Close $173.47 Range $139.20 - $199.47

Q1 2025

Shares 30,202 Value ($000) $5,075 Avg Close $174.30 Range $151.61 - $191.09

Q4 2024

Shares 29,860 Value ($000) $5,522 Avg Close $186.57 Range $173.54 - $199.47

Q3 2024

Shares 31,190 Value ($000) $5,546 Avg Close $169.81 Range $152.32 - $189.75

Q2 2024

Shares 31,357 Value ($000) $4,899 Avg Close $159.16 Range $147.08 - $169.59

Q1 2024

Shares 33,628 Value ($000) $5,632 Avg Close $155.40 Range $145.30 - $167.84

Q4 2023

Shares 33,817 Value ($000) $5,121 Avg Close $134.30 Range $120.16 - $156.31

Q3 2023

Shares 33,853 Value ($000) $4,412 Avg Close $139.81 Range $129.01 - $163.83

Q2 2023

Shares 32,795 Value ($000) $4,916 Avg Close $143.06 Range $135.39 - $151.92

Q1 2023

Shares 34,584 Value ($000) $4,925 Avg Close $157.88 Range $132.31 - $180.50

Q4 2022

Shares 38,565 Value ($000) $6,110 Avg Close $141.36 Range $108.04 - $163.24

Q3 2022

Shares 40,967 Value ($000) $4,582 Avg Close $125.39 Range $109.48 - $141.92

Q2 2022

Shares 43,733 Value ($000) $5,099 Avg Close $128.58 Range $112.28 - $146.71

Q1 2022

Shares 36,695 Value ($000) $5,172 Avg Close $143.53 Range $121.29 - $171.22

Q4 2021

Shares 4,947 Value ($000) $814 Avg Close $167.52 Range $146.96 - $191.42

Q3 2021

Shares 5,148 Value ($000) $778 Avg Close $163.56 Range $146.02 - $180.77

Q2 2021

Shares 4,957 Value ($000) $764 Avg Close $159.33 Range $147.97 - $176.63

Q1 2021

Shares 5,710 Value ($000) $851 Avg Close $130.58 Range $98.76 - $153.37

Q4 2020

Shares 5,791 Value ($000) $589 Avg Close $86.25 Range $66.34 - $103.21

Q3 2020

Shares 6,191 Value ($000) $423 Avg Close $69.80 Range $62.10 - $75.77

Q2 2020

Shares 6,171 Value ($000) $460 Avg Close $67.48 Range $53.23 - $82.32

Q1 2020

Shares 6,641 Value ($000) $393 Avg Close $74.64 Range $44.30 - $88.80

Q4 2019

Shares 81,876 Value ($000) $6,938 Avg Close $81.44 Range $70.43 - $87.94

Q3 2019

Shares 97,272 Value ($000) $8,108 Avg Close $82.65 Range $73.22 - $92.84

Q2 2019

Shares 58,363 Value ($000) $5,378 Avg Close $96.65 Range $82.01 - $113.84

Q1 2019

Shares 59,398 Value ($000) $6,362 Avg Close $104.33 Range $93.26 - $110.96

Q4 2018

Shares 116,204 Value ($000) $11,323 Avg Close $110.59 Range $86.74 - $136.36

Q3 2018

Shares 97,194 Value ($000) $13,288 Avg Close $144.30 Range $133.37 - $159.64

Q2 2018

Shares 103,995 Value ($000) $15,461 Avg Close $160.74 Range $145.08 - $182.71

Q1 2018

Shares 113,861 Value ($000) $21,586 Avg Close $189.64 Range $169.45 - $211.08

Q4 2017

Shares 123,914 Value ($000) $25,433 Avg Close $188.42 Range $173.99 - $202.01

Q3 2017

Shares 109,583 Value ($000) $20,802 Avg Close $172.79 Range $161.15 - $186.54

Q2 2017

Shares 104,617 Value ($000) $17,352 Avg Close $154.87 Range $144.44 - $164.19

Q1 2017

Shares 65,507 Value ($000) $10,739 Avg Close $153.31 Range $135.07 - $166.39

Q4 2016

Shares 29,403 Value ($000) $4,272 Avg Close $140.58 Range $126.32 - $157.66

Q3 2016

Shares 34,477 Value ($000) $4,989 Avg Close $138.59 Range $126.84 - $143.96

Q2 2016

Shares 35,777 Value ($000) $5,036 Avg Close $158.47 Range $126.98 - $174.12

Q1 2016

Shares 38,937 Value ($000) $6,323 Avg Close $135.06 Range $112.27 - $159.84

Q4 2015

Shares 40,537 Value ($000) $6,476 Avg Close $166.43 Range $137.16 - $184.66

Q3 2015

Shares 40,887 Value ($000) $6,991 Avg Close $190.37 Range $159.30 - $214.73

Q2 2015

Shares 42,007 Value ($000) $9,183 Avg Close $215.27 Range $205.22 - $223.28

Q1 2015

Shares 41,987 Value ($000) $9,018 Avg Close $204.27 Range $185.26 - $214.40

Q4 2014

Shares 43,147 Value ($000) $9,158 Avg Close $192.32 Range $168.87 - $209.59

Q3 2014

Shares 40,667 Value ($000) $8,148 Avg Close $197.54 Range $186.21 - $207.58

Q2 2014

Shares 40,397 Value ($000) $8,298 Avg Close $187.17 Range $171.21 - $199.62

Q1 2014

Shares 37,707 Value ($000) $7,543 Avg Close $190.16 Range $175.09 - $212.40

Q4 2013

Shares 37,637 Value ($000) $8,163 Avg Close $193.15 Range $175.92 - $210.55

Q3 2013

Shares 38,787 Value ($000) $7,084 Avg Close $171.93 Range $151.62 - $183.39

Q2 2013

Shares 41,787 Value ($000) $6,851 Avg Close $153.14 Range $138.12 - $166.12

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	9,434	$2,720	$258.45	$230.09 - $299.69
Q3 2025	11,260	$2,685	$220.39	$194.74 - $250.14
Q2 2025	11,276	$2,219	$173.47	$139.20 - $199.47
Q1 2025	30,202	$5,075	$174.30	$151.61 - $191.09
Q4 2024	29,860	$5,522	$186.57	$173.54 - $199.47
Q3 2024	31,190	$5,546	$169.81	$152.32 - $189.75
Q2 2024	31,357	$4,899	$159.16	$147.08 - $169.59
Q1 2024	33,628	$5,632	$155.40	$145.30 - $167.84
Q4 2023	33,817	$5,121	$134.30	$120.16 - $156.31
Q3 2023	33,853	$4,412	$139.81	$129.01 - $163.83
Q2 2023	32,795	$4,916	$143.06	$135.39 - $151.92
Q1 2023	34,584	$4,925	$157.88	$132.31 - $180.50
Q4 2022	38,565	$6,110	$141.36	$108.04 - $163.24
Q3 2022	40,967	$4,582	$125.39	$109.48 - $141.92
Q2 2022	43,733	$5,099	$128.58	$112.28 - $146.71
Q1 2022	36,695	$5,172	$143.53	$121.29 - $171.22
Q4 2021	4,947	$814	$167.52	$146.96 - $191.42
Q3 2021	5,148	$778	$163.56	$146.02 - $180.77
Q2 2021	4,957	$764	$159.33	$147.97 - $176.63
Q1 2021	5,710	$851	$130.58	$98.76 - $153.37
Q4 2020	5,791	$589	$86.25	$66.34 - $103.21
Q3 2020	6,191	$423	$69.80	$62.10 - $75.77
Q2 2020	6,171	$460	$67.48	$53.23 - $82.32
Q1 2020	6,641	$393	$74.64	$44.30 - $88.80
Q4 2019	81,876	$6,938	$81.44	$70.43 - $87.94
Q3 2019	97,272	$8,108	$82.65	$73.22 - $92.84
Q2 2019	58,363	$5,378	$96.65	$82.01 - $113.84
Q1 2019	59,398	$6,362	$104.33	$93.26 - $110.96
Q4 2018	116,204	$11,323	$110.59	$86.74 - $136.36
Q3 2018	97,194	$13,288	$144.30	$133.37 - $159.64
Q2 2018	103,995	$15,461	$160.74	$145.08 - $182.71
Q1 2018	113,861	$21,586	$189.64	$169.45 - $211.08
Q4 2017	123,914	$25,433	$188.42	$173.99 - $202.01
Q3 2017	109,583	$20,802	$172.79	$161.15 - $186.54
Q2 2017	104,617	$17,352	$154.87	$144.44 - $164.19
Q1 2017	65,507	$10,739	$153.31	$135.07 - $166.39
Q4 2016	29,403	$4,272	$140.58	$126.32 - $157.66
Q3 2016	34,477	$4,989	$138.59	$126.84 - $143.96
Q2 2016	35,777	$5,036	$158.47	$126.98 - $174.12
Q1 2016	38,937	$6,323	$135.06	$112.27 - $159.84
Q4 2015	40,537	$6,476	$166.43	$137.16 - $184.66
Q3 2015	40,887	$6,991	$190.37	$159.30 - $214.73
Q2 2015	42,007	$9,183	$215.27	$205.22 - $223.28
Q1 2015	41,987	$9,018	$204.27	$185.26 - $214.40
Q4 2014	43,147	$9,158	$192.32	$168.87 - $209.59
Q3 2014	40,667	$8,148	$197.54	$186.21 - $207.58
Q2 2014	40,397	$8,298	$187.17	$171.21 - $199.62
Q1 2014	37,707	$7,543	$190.16	$175.09 - $212.40
Q4 2013	37,637	$8,163	$193.15	$175.92 - $210.55
Q3 2013	38,787	$7,084	$171.93	$151.62 - $183.39
Q2 2013	41,787	$6,851	$153.14	$138.12 - $166.12