AFFILIATED MANAGERS GROUP

Ticker: AMG CUSIP: 008252108 Class: COM

STRS OHIO's Holding History (CIK: 0000820478)

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

Q4 2025

Shares 661 Value ($000) $191 Avg Close $258.45 Range $230.09 - $299.69

Q3 2025

Shares 660 Value ($000) $157 Avg Close $220.39 Range $194.74 - $250.14

Q2 2025

Shares 10,547 Value ($000) $2,075 Avg Close $173.47 Range $139.20 - $199.47

Q1 2025

Shares 12,805 Value ($000) $2,152 Avg Close $174.30 Range $151.61 - $191.09

Q4 2024

Shares 12,001 Value ($000) $2,219 Avg Close $186.57 Range $173.54 - $199.47

Q3 2024

Shares 11,455 Value ($000) $2,037 Avg Close $169.81 Range $152.32 - $189.75

Q2 2024

Shares 12,054 Value ($000) $1,883 Avg Close $159.16 Range $147.08 - $169.59

Q1 2024

Shares 10,425 Value ($000) $2 Avg Close $155.40 Range $145.30 - $167.84

Q4 2023

Shares 10,339 Value ($000) $2 Avg Close $134.30 Range $120.16 - $156.31

Q3 2023

Shares 10,842 Value ($000) $1 Avg Close $139.81 Range $129.01 - $163.83

Q2 2023

Shares 10,815 Value ($000) $2 Avg Close $143.06 Range $135.39 - $151.92

Q1 2023

Shares 12,204 Value ($000) $2 Avg Close $157.88 Range $132.31 - $180.50

Q4 2022

Shares 7,850 Value ($000) $1 Avg Close $141.36 Range $108.04 - $163.24

Q3 2022

Shares 7,591 Value ($000) $849 Avg Close $125.39 Range $109.48 - $141.92

Q2 2022

Shares 6,718 Value ($000) $783 Avg Close $128.58 Range $112.28 - $146.71

Q1 2022

Shares 6,972 Value ($000) $982 Avg Close $143.53 Range $121.29 - $171.22

Q4 2021

Shares 9,249 Value ($000) $1,521 Avg Close $167.52 Range $146.96 - $191.42

Q3 2021

Shares 9,732 Value ($000) $1,470 Avg Close $163.56 Range $146.02 - $180.77

Q2 2021

Shares 11,991 Value ($000) $1,849 Avg Close $159.33 Range $147.97 - $176.63

Q1 2021

Shares 11,515 Value ($000) $1,716 Avg Close $130.58 Range $98.76 - $153.37

Q4 2020

Shares 11,632 Value ($000) $1,182 Avg Close $86.25 Range $66.34 - $103.21

Q3 2020

Shares 701 Value ($000) $47 Avg Close $69.80 Range $62.10 - $75.77

Q2 2020

Shares 701 Value ($000) $52 Avg Close $67.48 Range $53.23 - $82.32

Q1 2020

Shares 701 Value ($000) $41 Avg Close $74.64 Range $44.30 - $88.80

Q4 2019

Shares 701 Value ($000) $59 Avg Close $81.44 Range $70.43 - $87.94

Q3 2019

Shares 701 Value ($000) $58 Avg Close $82.65 Range $73.22 - $92.84

Q2 2019

Shares 701 Value ($000) $64 Avg Close $96.65 Range $82.01 - $113.84

Q1 2019

Shares 701 Value ($000) $75 Avg Close $104.33 Range $93.26 - $110.96

Q4 2018

Shares 701 Value ($000) $68 Avg Close $110.59 Range $86.74 - $136.36

Q3 2018

Shares 6,240 Value ($000) $853 Avg Close $144.30 Range $133.37 - $159.64

Q2 2018

Shares 6,018 Value ($000) $894 Avg Close $160.74 Range $145.08 - $182.71

Q1 2018

Shares 5,403 Value ($000) $1,024 Avg Close $189.64 Range $169.45 - $211.08

Q4 2017

Shares 4,667 Value ($000) $957 Avg Close $188.42 Range $173.99 - $202.01

Q3 2017

Shares 3,659 Value ($000) $694 Avg Close $172.79 Range $161.15 - $186.54

Q2 2017

Shares 3,693 Value ($000) $612 Avg Close $154.87 Range $144.44 - $164.19

Q1 2017

Shares 2,182 Value ($000) $357 Avg Close $153.31 Range $135.07 - $166.39

Q4 2016

Shares 812 Value ($000) $117 Avg Close $140.58 Range $126.32 - $157.66

Q3 2016

Shares 1,072 Value ($000) $155 Avg Close $138.59 Range $126.84 - $143.96

Q2 2016

Shares 3,033 Value ($000) $426 Avg Close $158.47 Range $126.98 - $174.12

Q1 2016

Shares 2,183 Value ($000) $354 Avg Close $135.06 Range $112.27 - $159.84

Q4 2015

Shares 1,984 Value ($000) $316 Avg Close $166.43 Range $137.16 - $184.66

Q3 2015

Shares 153,291 Value ($000) $26,211 Avg Close $190.37 Range $159.30 - $214.73

Q2 2015

Shares 152,474 Value ($000) $33,330 Avg Close $215.27 Range $205.22 - $223.28

Q1 2015

Shares 176,739 Value ($000) $37,960 Avg Close $204.27 Range $185.26 - $214.40

Q4 2014

Shares 246,200 Value ($000) $52,253 Avg Close $192.32 Range $168.87 - $209.59

Q3 2014

Shares 261,200 Value ($000) $52,334 Avg Close $197.54 Range $186.21 - $207.58

Q2 2014

Shares 246,200 Value ($000) $50,569 Avg Close $187.17 Range $171.21 - $199.62

Q1 2014

Shares 248,000 Value ($000) $49,612 Avg Close $190.16 Range $175.09 - $212.40

Q4 2013

Shares 140,000 Value ($000) $30,363 Avg Close $193.15 Range $175.92 - $210.55

Q3 2013

Shares 125,000 Value ($000) $22,830 Avg Close $171.93 Range $151.62 - $183.39

Q2 2013

Shares 70,756 Value ($000) $11,600 Avg Close $153.14 Range $138.12 - $166.12

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	661	$191	$258.45	$230.09 - $299.69
Q3 2025	660	$157	$220.39	$194.74 - $250.14
Q2 2025	10,547	$2,075	$173.47	$139.20 - $199.47
Q1 2025	12,805	$2,152	$174.30	$151.61 - $191.09
Q4 2024	12,001	$2,219	$186.57	$173.54 - $199.47
Q3 2024	11,455	$2,037	$169.81	$152.32 - $189.75
Q2 2024	12,054	$1,883	$159.16	$147.08 - $169.59
Q1 2024	10,425	$2	$155.40	$145.30 - $167.84
Q4 2023	10,339	$2	$134.30	$120.16 - $156.31
Q3 2023	10,842	$1	$139.81	$129.01 - $163.83
Q2 2023	10,815	$2	$143.06	$135.39 - $151.92
Q1 2023	12,204	$2	$157.88	$132.31 - $180.50
Q4 2022	7,850	$1	$141.36	$108.04 - $163.24
Q3 2022	7,591	$849	$125.39	$109.48 - $141.92
Q2 2022	6,718	$783	$128.58	$112.28 - $146.71
Q1 2022	6,972	$982	$143.53	$121.29 - $171.22
Q4 2021	9,249	$1,521	$167.52	$146.96 - $191.42
Q3 2021	9,732	$1,470	$163.56	$146.02 - $180.77
Q2 2021	11,991	$1,849	$159.33	$147.97 - $176.63
Q1 2021	11,515	$1,716	$130.58	$98.76 - $153.37
Q4 2020	11,632	$1,182	$86.25	$66.34 - $103.21
Q3 2020	701	$47	$69.80	$62.10 - $75.77
Q2 2020	701	$52	$67.48	$53.23 - $82.32
Q1 2020	701	$41	$74.64	$44.30 - $88.80
Q4 2019	701	$59	$81.44	$70.43 - $87.94
Q3 2019	701	$58	$82.65	$73.22 - $92.84
Q2 2019	701	$64	$96.65	$82.01 - $113.84
Q1 2019	701	$75	$104.33	$93.26 - $110.96
Q4 2018	701	$68	$110.59	$86.74 - $136.36
Q3 2018	6,240	$853	$144.30	$133.37 - $159.64
Q2 2018	6,018	$894	$160.74	$145.08 - $182.71
Q1 2018	5,403	$1,024	$189.64	$169.45 - $211.08
Q4 2017	4,667	$957	$188.42	$173.99 - $202.01
Q3 2017	3,659	$694	$172.79	$161.15 - $186.54
Q2 2017	3,693	$612	$154.87	$144.44 - $164.19
Q1 2017	2,182	$357	$153.31	$135.07 - $166.39
Q4 2016	812	$117	$140.58	$126.32 - $157.66
Q3 2016	1,072	$155	$138.59	$126.84 - $143.96
Q2 2016	3,033	$426	$158.47	$126.98 - $174.12
Q1 2016	2,183	$354	$135.06	$112.27 - $159.84
Q4 2015	1,984	$316	$166.43	$137.16 - $184.66
Q3 2015	153,291	$26,211	$190.37	$159.30 - $214.73
Q2 2015	152,474	$33,330	$215.27	$205.22 - $223.28
Q1 2015	176,739	$37,960	$204.27	$185.26 - $214.40
Q4 2014	246,200	$52,253	$192.32	$168.87 - $209.59
Q3 2014	261,200	$52,334	$197.54	$186.21 - $207.58
Q2 2014	246,200	$50,569	$187.17	$171.21 - $199.62
Q1 2014	248,000	$49,612	$190.16	$175.09 - $212.40
Q4 2013	140,000	$30,363	$193.15	$175.92 - $210.55
Q3 2013	125,000	$22,830	$171.93	$151.62 - $183.39
Q2 2013	70,756	$11,600	$153.14	$138.12 - $166.12