AFFILIATED MANAGERS GROUP

Ticker: AMG CUSIP: 008252108 Class: COM

WELCH & FORBES LLC's Holding History (CIK: 0000105495)

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

Q4 2025

Shares 3,500 Value ($000) $1,009 Avg Close $258.45 Range $230.09 - $299.69

Q3 2025

Shares 3,500 Value ($000) $835 Avg Close $220.39 Range $194.74 - $250.14

Q2 2025

Shares 3,500 Value ($000) $689 Avg Close $173.47 Range $139.20 - $199.47

Q1 2025

Shares 3,500 Value ($000) $588 Avg Close $174.30 Range $151.61 - $191.09

Q4 2024

Shares 3,650 Value ($000) $675 Avg Close $186.57 Range $173.54 - $199.47

Q3 2024

Shares 3,650 Value ($000) $649 Avg Close $169.81 Range $152.32 - $189.75

Q2 2024

Shares 3,650 Value ($000) $566 Avg Close $159.16 Range $147.08 - $169.59

Q1 2024

Shares 3,650 Value ($000) $611 Avg Close $155.40 Range $145.30 - $167.84

Q4 2023

Shares 3,650 Value ($000) $553 Avg Close $134.30 Range $120.16 - $156.31

Q3 2023

Shares 3,650 Value ($000) $476 Avg Close $139.81 Range $129.01 - $163.83

Q2 2023

Shares 3,650 Value ($000) $547 Avg Close $143.06 Range $135.39 - $151.92

Q1 2023

Shares 3,650 Value ($000) $520 Avg Close $157.88 Range $132.31 - $180.50

Q4 2022

Shares 4,650 Value ($000) $737 Avg Close $141.36 Range $108.04 - $163.24

Q3 2022

Shares 3,900 Value ($000) $436 Avg Close $125.39 Range $109.48 - $141.92

Q2 2022

Shares 3,900 Value ($000) $455 Avg Close $128.58 Range $112.28 - $146.71

Q1 2022

Shares 3,900 Value ($000) $550 Avg Close $143.53 Range $121.29 - $171.22

Q4 2021

Shares 3,900 Value ($000) $641 Avg Close $167.52 Range $146.96 - $191.42

Q3 2021

Shares 3,900 Value ($000) $589 Avg Close $163.56 Range $146.02 - $180.77

Q2 2021

Shares 3,900 Value ($000) $602 Avg Close $159.33 Range $147.97 - $176.63

Q1 2021

Shares 3,900 Value ($000) $581 Avg Close $130.58 Range $98.76 - $153.37

Q4 2020

Shares 3,900 Value ($000) $397 Avg Close $86.25 Range $66.34 - $103.21

Q3 2020

Shares 4,100 Value ($000) $280 Avg Close $69.80 Range $62.10 - $75.77

Q2 2020

Shares 4,100 Value ($000) $306 Avg Close $67.48 Range $53.23 - $82.32

Q1 2020

Shares 4,100 Value ($000) $242 Avg Close $74.64 Range $44.30 - $88.80

Q4 2019

Shares 4,250 Value ($000) $360 Avg Close $81.44 Range $70.43 - $87.94

Q3 2019

Shares 4,361 Value ($000) $364 Avg Close $82.65 Range $73.22 - $92.84

Q2 2019

Shares 4,361 Value ($000) $401 Avg Close $96.65 Range $82.01 - $113.84

Q1 2019

Shares 3,761 Value ($000) $403 Avg Close $104.33 Range $93.26 - $110.96

Q4 2018

Shares 3,761 Value ($000) $366 Avg Close $110.59 Range $86.74 - $136.36

Q3 2018

Shares 3,764 Value ($000) $515 Avg Close $144.30 Range $133.37 - $159.64

Q2 2018

Shares 4,021 Value ($000) $598 Avg Close $160.74 Range $145.08 - $182.71

Q1 2018

Shares 3,771 Value ($000) $715 Avg Close $189.64 Range $169.45 - $211.08

Q4 2017

Shares 3,792 Value ($000) $778 Avg Close $188.42 Range $173.99 - $202.01

Q3 2017

Shares 3,774 Value ($000) $716 Avg Close $172.79 Range $161.15 - $186.54

Q2 2017

Shares 3,924 Value ($000) $650 Avg Close $154.87 Range $144.44 - $164.19

Q1 2017

Shares 4,077 Value ($000) $668 Avg Close $153.31 Range $135.07 - $166.39

Q4 2016

Shares 4,074 Value ($000) $592 Avg Close $140.58 Range $126.32 - $157.66

Q2 2016

Shares 4,074 Value ($000) $574 Avg Close $158.47 Range $126.98 - $174.12

Q1 2016

Shares 4,074 Value ($000) $662 Avg Close $135.06 Range $112.27 - $159.84

Q4 2015

Shares 4,030 Value ($000) $644 Avg Close $166.43 Range $137.16 - $184.66

Q3 2015

Shares 3,330 Value ($000) $570 Avg Close $190.37 Range $159.30 - $214.73

Q2 2015

Shares 3,730 Value ($000) $815 Avg Close $215.27 Range $205.22 - $223.28

Q1 2015

Shares 3,730 Value ($000) $801 Avg Close $204.27 Range $185.26 - $214.40

Q4 2014

Shares 3,730 Value ($000) $792 Avg Close $192.32 Range $168.87 - $209.59

Q3 2014

Shares 3,730 Value ($000) $747 Avg Close $197.54 Range $186.21 - $207.58

Q2 2014

Shares 3,750 Value ($000) $771 Avg Close $187.17 Range $171.21 - $199.62

Q1 2014

Shares 3,050 Value ($000) $610 Avg Close $190.16 Range $175.09 - $212.40

Q4 2013

Shares 3,050 Value ($000) $662 Avg Close $193.15 Range $175.92 - $210.55

Q3 2013

Shares 3,050 Value ($000) $557 Avg Close $171.93 Range $151.62 - $183.39

Q2 2013

Shares 3,050 Value ($000) $500 Avg Close $153.14 Range $138.12 - $166.12

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	3,500	$1,009	$258.45	$230.09 - $299.69
Q3 2025	3,500	$835	$220.39	$194.74 - $250.14
Q2 2025	3,500	$689	$173.47	$139.20 - $199.47
Q1 2025	3,500	$588	$174.30	$151.61 - $191.09
Q4 2024	3,650	$675	$186.57	$173.54 - $199.47
Q3 2024	3,650	$649	$169.81	$152.32 - $189.75
Q2 2024	3,650	$566	$159.16	$147.08 - $169.59
Q1 2024	3,650	$611	$155.40	$145.30 - $167.84
Q4 2023	3,650	$553	$134.30	$120.16 - $156.31
Q3 2023	3,650	$476	$139.81	$129.01 - $163.83
Q2 2023	3,650	$547	$143.06	$135.39 - $151.92
Q1 2023	3,650	$520	$157.88	$132.31 - $180.50
Q4 2022	4,650	$737	$141.36	$108.04 - $163.24
Q3 2022	3,900	$436	$125.39	$109.48 - $141.92
Q2 2022	3,900	$455	$128.58	$112.28 - $146.71
Q1 2022	3,900	$550	$143.53	$121.29 - $171.22
Q4 2021	3,900	$641	$167.52	$146.96 - $191.42
Q3 2021	3,900	$589	$163.56	$146.02 - $180.77
Q2 2021	3,900	$602	$159.33	$147.97 - $176.63
Q1 2021	3,900	$581	$130.58	$98.76 - $153.37
Q4 2020	3,900	$397	$86.25	$66.34 - $103.21
Q3 2020	4,100	$280	$69.80	$62.10 - $75.77
Q2 2020	4,100	$306	$67.48	$53.23 - $82.32
Q1 2020	4,100	$242	$74.64	$44.30 - $88.80
Q4 2019	4,250	$360	$81.44	$70.43 - $87.94
Q3 2019	4,361	$364	$82.65	$73.22 - $92.84
Q2 2019	4,361	$401	$96.65	$82.01 - $113.84
Q1 2019	3,761	$403	$104.33	$93.26 - $110.96
Q4 2018	3,761	$366	$110.59	$86.74 - $136.36
Q3 2018	3,764	$515	$144.30	$133.37 - $159.64
Q2 2018	4,021	$598	$160.74	$145.08 - $182.71
Q1 2018	3,771	$715	$189.64	$169.45 - $211.08
Q4 2017	3,792	$778	$188.42	$173.99 - $202.01
Q3 2017	3,774	$716	$172.79	$161.15 - $186.54
Q2 2017	3,924	$650	$154.87	$144.44 - $164.19
Q1 2017	4,077	$668	$153.31	$135.07 - $166.39
Q4 2016	4,074	$592	$140.58	$126.32 - $157.66
Q2 2016	4,074	$574	$158.47	$126.98 - $174.12
Q1 2016	4,074	$662	$135.06	$112.27 - $159.84
Q4 2015	4,030	$644	$166.43	$137.16 - $184.66
Q3 2015	3,330	$570	$190.37	$159.30 - $214.73
Q2 2015	3,730	$815	$215.27	$205.22 - $223.28
Q1 2015	3,730	$801	$204.27	$185.26 - $214.40
Q4 2014	3,730	$792	$192.32	$168.87 - $209.59
Q3 2014	3,730	$747	$197.54	$186.21 - $207.58
Q2 2014	3,750	$771	$187.17	$171.21 - $199.62
Q1 2014	3,050	$610	$190.16	$175.09 - $212.40
Q4 2013	3,050	$662	$193.15	$175.92 - $210.55
Q3 2013	3,050	$557	$171.93	$151.62 - $183.39
Q2 2013	3,050	$500	$153.14	$138.12 - $166.12