AFFILIATED MANAGERS GROUP

Ticker: AMG CUSIP: 008252108 Class: COM

COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS's Holding History (CIK: 0001083190)

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

Q4 2025

Shares 7,039 Value ($000) $2,029 Avg Close $258.45 Range $230.09 - $299.69

Q3 2025

Shares 7,292 Value ($000) $1,739 Avg Close $220.39 Range $194.74 - $250.14

Q2 2025

Shares 7,304 Value ($000) $1,437 Avg Close $173.47 Range $139.20 - $199.47

Q1 2025

Shares 6,994 Value ($000) $1,175 Avg Close $174.30 Range $151.61 - $191.09

Q4 2024

Shares 6,675 Value ($000) $1,234 Avg Close $186.57 Range $173.54 - $199.47

Q3 2024

Shares 6,572 Value ($000) $1,169 Avg Close $169.81 Range $152.32 - $189.75

Q2 2024

Shares 7,062 Value ($000) $1,103 Avg Close $159.16 Range $147.08 - $169.59

Q1 2024

Shares 7,479 Value ($000) $1,253 Avg Close $155.40 Range $145.30 - $167.84

Q4 2023

Shares 7,460 Value ($000) $1,130 Avg Close $134.30 Range $120.16 - $156.31

Q3 2023

Shares 7,097 Value ($000) $925 Avg Close $139.81 Range $129.01 - $163.83

Q2 2023

Shares 17,451 Value ($000) $2,616 Avg Close $143.06 Range $135.39 - $151.92

Q1 2023

Shares 16,966 Value ($000) $2,416 Avg Close $157.88 Range $132.31 - $180.50

Q4 2022

Shares 16,946 Value ($000) $3 Avg Close $141.36 Range $108.04 - $163.24

Q3 2022

Shares 15,156 Value ($000) $1,695 Avg Close $125.39 Range $109.48 - $141.92

Q2 2022

Shares 15,311 Value ($000) $1,785 Avg Close $128.58 Range $112.28 - $146.71

Q1 2022

Shares 14,898 Value ($000) $2,100 Avg Close $143.53 Range $121.29 - $171.22

Q4 2021

Shares 13,478 Value ($000) $2,217 Avg Close $167.52 Range $146.96 - $191.42

Q3 2021

Shares 13,613 Value ($000) $2,057 Avg Close $163.56 Range $146.02 - $180.77

Q2 2021

Shares 13,871 Value ($000) $2,139 Avg Close $159.33 Range $147.97 - $176.63

Q1 2021

Shares 14,219 Value ($000) $2,119 Avg Close $130.58 Range $98.76 - $153.37

Q4 2020

Shares 15,148 Value ($000) $1,541 Avg Close $86.25 Range $66.34 - $103.21

Q3 2020

Shares 14,920 Value ($000) $1,020 Avg Close $69.80 Range $62.10 - $75.77

Q2 2020

Shares 9,994 Value ($000) $745 Avg Close $67.48 Range $53.23 - $82.32

Q1 2020

Shares 11,592 Value ($000) $686 Avg Close $74.64 Range $44.30 - $88.80

Q4 2019

Shares 8,691 Value ($000) $736 Avg Close $81.44 Range $70.43 - $87.94

Q3 2019

Shares 3,245 Value ($000) $270 Avg Close $82.65 Range $73.22 - $92.84

Q2 2019

Shares 3,006 Value ($000) $277 Avg Close $96.65 Range $82.01 - $113.84

Q1 2019

Shares 3,043 Value ($000) $326 Avg Close $104.33 Range $93.26 - $110.96

Q4 2018

Shares 2,874 Value ($000) $280 Avg Close $110.59 Range $86.74 - $136.36

Q3 2018

Shares 4,385 Value ($000) $600 Avg Close $144.30 Range $133.37 - $159.64

Q2 2018

Shares 5,686 Value ($000) $845 Avg Close $160.74 Range $145.08 - $182.71

Q1 2018

Shares 4,876 Value ($000) $924 Avg Close $189.64 Range $169.45 - $211.08

Q4 2017

Shares 4,972 Value ($000) $1,021 Avg Close $188.42 Range $173.99 - $202.01

Q3 2017

Shares 4,551 Value ($000) $864 Avg Close $172.79 Range $161.15 - $186.54

Q2 2017

Shares 4,205 Value ($000) $697 Avg Close $154.87 Range $144.44 - $164.19

Q1 2017

Shares 4,206 Value ($000) $690 Avg Close $153.31 Range $135.07 - $166.39

Q4 2016

Shares 3,142 Value ($000) $457 Avg Close $140.58 Range $126.32 - $157.66

Q3 2016

Shares 3,077 Value ($000) $445 Avg Close $138.59 Range $126.84 - $143.96

Q2 2016

Shares 4,308 Value ($000) $606 Avg Close $158.47 Range $126.98 - $174.12

Q1 2016

Shares 4,007 Value ($000) $651 Avg Close $135.06 Range $112.27 - $159.84

Q4 2015

Shares 3,531 Value ($000) $564 Avg Close $166.43 Range $137.16 - $184.66

Q3 2015

Shares 3,488 Value ($000) $596 Avg Close $190.37 Range $159.30 - $214.73

Q2 2015

Shares 6,145 Value ($000) $1,343 Avg Close $215.27 Range $205.22 - $223.28

Q1 2015

Shares 6,263 Value ($000) $1,345 Avg Close $204.27 Range $185.26 - $214.40

Q4 2014

Shares 10,140 Value ($000) $2,152 Avg Close $192.32 Range $168.87 - $209.59

Q3 2014

Shares 10,188 Value ($000) $2,041 Avg Close $197.54 Range $186.21 - $207.58

Q2 2014

Shares 10,125 Value ($000) $2,080 Avg Close $187.17 Range $171.21 - $199.62

Q1 2014

Shares 7,436 Value ($000) $1,488 Avg Close $190.16 Range $175.09 - $212.40

Q4 2013

Shares 7,435 Value ($000) $1,613 Avg Close $193.15 Range $175.92 - $210.55

Q3 2013

Shares 7,502 Value ($000) $1,370 Avg Close $171.93 Range $151.62 - $183.39

Q2 2013

Shares 7,505 Value ($000) $1,230 Avg Close $153.14 Range $138.12 - $166.12

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	7,039	$2,029	$258.45	$230.09 - $299.69
Q3 2025	7,292	$1,739	$220.39	$194.74 - $250.14
Q2 2025	7,304	$1,437	$173.47	$139.20 - $199.47
Q1 2025	6,994	$1,175	$174.30	$151.61 - $191.09
Q4 2024	6,675	$1,234	$186.57	$173.54 - $199.47
Q3 2024	6,572	$1,169	$169.81	$152.32 - $189.75
Q2 2024	7,062	$1,103	$159.16	$147.08 - $169.59
Q1 2024	7,479	$1,253	$155.40	$145.30 - $167.84
Q4 2023	7,460	$1,130	$134.30	$120.16 - $156.31
Q3 2023	7,097	$925	$139.81	$129.01 - $163.83
Q2 2023	17,451	$2,616	$143.06	$135.39 - $151.92
Q1 2023	16,966	$2,416	$157.88	$132.31 - $180.50
Q4 2022	16,946	$3	$141.36	$108.04 - $163.24
Q3 2022	15,156	$1,695	$125.39	$109.48 - $141.92
Q2 2022	15,311	$1,785	$128.58	$112.28 - $146.71
Q1 2022	14,898	$2,100	$143.53	$121.29 - $171.22
Q4 2021	13,478	$2,217	$167.52	$146.96 - $191.42
Q3 2021	13,613	$2,057	$163.56	$146.02 - $180.77
Q2 2021	13,871	$2,139	$159.33	$147.97 - $176.63
Q1 2021	14,219	$2,119	$130.58	$98.76 - $153.37
Q4 2020	15,148	$1,541	$86.25	$66.34 - $103.21
Q3 2020	14,920	$1,020	$69.80	$62.10 - $75.77
Q2 2020	9,994	$745	$67.48	$53.23 - $82.32
Q1 2020	11,592	$686	$74.64	$44.30 - $88.80
Q4 2019	8,691	$736	$81.44	$70.43 - $87.94
Q3 2019	3,245	$270	$82.65	$73.22 - $92.84
Q2 2019	3,006	$277	$96.65	$82.01 - $113.84
Q1 2019	3,043	$326	$104.33	$93.26 - $110.96
Q4 2018	2,874	$280	$110.59	$86.74 - $136.36
Q3 2018	4,385	$600	$144.30	$133.37 - $159.64
Q2 2018	5,686	$845	$160.74	$145.08 - $182.71
Q1 2018	4,876	$924	$189.64	$169.45 - $211.08
Q4 2017	4,972	$1,021	$188.42	$173.99 - $202.01
Q3 2017	4,551	$864	$172.79	$161.15 - $186.54
Q2 2017	4,205	$697	$154.87	$144.44 - $164.19
Q1 2017	4,206	$690	$153.31	$135.07 - $166.39
Q4 2016	3,142	$457	$140.58	$126.32 - $157.66
Q3 2016	3,077	$445	$138.59	$126.84 - $143.96
Q2 2016	4,308	$606	$158.47	$126.98 - $174.12
Q1 2016	4,007	$651	$135.06	$112.27 - $159.84
Q4 2015	3,531	$564	$166.43	$137.16 - $184.66
Q3 2015	3,488	$596	$190.37	$159.30 - $214.73
Q2 2015	6,145	$1,343	$215.27	$205.22 - $223.28
Q1 2015	6,263	$1,345	$204.27	$185.26 - $214.40
Q4 2014	10,140	$2,152	$192.32	$168.87 - $209.59
Q3 2014	10,188	$2,041	$197.54	$186.21 - $207.58
Q2 2014	10,125	$2,080	$187.17	$171.21 - $199.62
Q1 2014	7,436	$1,488	$190.16	$175.09 - $212.40
Q4 2013	7,435	$1,613	$193.15	$175.92 - $210.55
Q3 2013	7,502	$1,370	$171.93	$151.62 - $183.39
Q2 2013	7,505	$1,230	$153.14	$138.12 - $166.12