AFFILIATED MANAGERS GROUP

Ticker: AMG CUSIP: 008252108 Class: COM

Grantham, Mayo, Van Otterloo & Co. LLC's Holding History (CIK: 0001352662)

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

Q4 2025

Shares 11,259 Value ($000) $3,246 Avg Close $258.45 Range $230.09 - $299.69

Q3 2025

Shares 16,558 Value ($000) $3,948 Avg Close $220.39 Range $194.74 - $250.14

Q2 2025

Shares 16,721 Value ($000) $3,290 Avg Close $173.47 Range $139.20 - $199.47

Q1 2025

Shares 25,365 Value ($000) $4,262 Avg Close $174.30 Range $151.61 - $191.09

Q4 2024

Shares 24,222 Value ($000) $4,479 Avg Close $186.57 Range $173.54 - $199.47

Q3 2024

Shares 23,675 Value ($000) $4,209 Avg Close $169.81 Range $152.32 - $189.75

Q2 2024

Shares 25,999 Value ($000) $4,062 Avg Close $159.16 Range $147.08 - $169.59

Q1 2024

Shares 32,618 Value ($000) $5,463 Avg Close $155.40 Range $145.30 - $167.84

Q4 2023

Shares 42,376 Value ($000) $6,417 Avg Close $134.30 Range $120.16 - $156.31

Q3 2023

Shares 42,140 Value ($000) $5,493 Avg Close $139.81 Range $129.01 - $163.83

Q2 2023

Shares 18,749 Value ($000) $2,810 Avg Close $143.06 Range $135.39 - $151.92

Q1 2023

Shares 11,400 Value ($000) $1,624 Avg Close $157.88 Range $132.31 - $180.50

Q4 2022

Shares 10,000 Value ($000) $1,584 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 3,100 Value ($000) $361 Avg Close $128.58 Range $112.28 - $146.71

Q4 2020

Shares 5,904 Value ($000) $600 Avg Close $86.25 Range $66.34 - $103.21

Q3 2020

Shares 6,304 Value ($000) $431 Avg Close $69.80 Range $62.10 - $75.77

Q3 2015

Shares 4,295 Value ($000) $734 Avg Close $190.37 Range $159.30 - $214.73

Q2 2015

Shares 12,400 Value ($000) $2,711 Avg Close $215.27 Range $205.22 - $223.28

Q1 2015

Shares 15,300 Value ($000) $3,286 Avg Close $204.27 Range $185.26 - $214.40

Q4 2014

Shares 14,200 Value ($000) $3,014 Avg Close $192.32 Range $168.87 - $209.59

Q3 2014

Shares 16,500 Value ($000) $3,306 Avg Close $197.54 Range $186.21 - $207.58

Q1 2014

Shares 9,473 Value ($000) $1,895 Avg Close $190.16 Range $175.09 - $212.40

Q4 2013

Shares 19,973 Value ($000) $4,332 Avg Close $193.15 Range $175.92 - $210.55

Q3 2013

Shares 23,500 Value ($000) $4,292 Avg Close $171.93 Range $151.62 - $183.39

Q2 2013

Shares 21,700 Value ($000) $3,557 Avg Close $153.14 Range $138.12 - $166.12

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	11,259	$3,246	$258.45	$230.09 - $299.69
Q3 2025	16,558	$3,948	$220.39	$194.74 - $250.14
Q2 2025	16,721	$3,290	$173.47	$139.20 - $199.47
Q1 2025	25,365	$4,262	$174.30	$151.61 - $191.09
Q4 2024	24,222	$4,479	$186.57	$173.54 - $199.47
Q3 2024	23,675	$4,209	$169.81	$152.32 - $189.75
Q2 2024	25,999	$4,062	$159.16	$147.08 - $169.59
Q1 2024	32,618	$5,463	$155.40	$145.30 - $167.84
Q4 2023	42,376	$6,417	$134.30	$120.16 - $156.31
Q3 2023	42,140	$5,493	$139.81	$129.01 - $163.83
Q2 2023	18,749	$2,810	$143.06	$135.39 - $151.92
Q1 2023	11,400	$1,624	$157.88	$132.31 - $180.50
Q4 2022	10,000	$1,584	$141.36	$108.04 - $163.24
Q3 2022	3,900	$436	$125.39	$109.48 - $141.92
Q2 2022	3,100	$361	$128.58	$112.28 - $146.71
Q4 2020	5,904	$600	$86.25	$66.34 - $103.21
Q3 2020	6,304	$431	$69.80	$62.10 - $75.77
Q3 2015	4,295	$734	$190.37	$159.30 - $214.73
Q2 2015	12,400	$2,711	$215.27	$205.22 - $223.28
Q1 2015	15,300	$3,286	$204.27	$185.26 - $214.40
Q4 2014	14,200	$3,014	$192.32	$168.87 - $209.59
Q3 2014	16,500	$3,306	$197.54	$186.21 - $207.58
Q1 2014	9,473	$1,895	$190.16	$175.09 - $212.40
Q4 2013	19,973	$4,332	$193.15	$175.92 - $210.55
Q3 2013	23,500	$4,292	$171.93	$151.62 - $183.39
Q2 2013	21,700	$3,557	$153.14	$138.12 - $166.12