AFFILIATED MANAGERS GROUP

Ticker: AMG CUSIP: 008252108 Class: COM

ADAGE CAPITAL PARTNERS GP, L.L.C.'s Holding History (CIK: 0001165408)

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

Q3 2019

Shares 22,125 Value ($000) $1,844 Avg Close $82.65 Range $73.22 - $92.84

Q2 2019

Shares 52,725 Value ($000) $4,858 Avg Close $96.65 Range $82.01 - $113.84

Q1 2019

Shares 63,925 Value ($000) $6,847 Avg Close $104.33 Range $93.26 - $110.96

Q4 2018

Shares 64,925 Value ($000) $6,326 Avg Close $110.59 Range $86.74 - $136.36

Q3 2018

Shares 98,125 Value ($000) $13,416 Avg Close $144.30 Range $133.37 - $159.64

Q2 2018

Shares 70,325 Value ($000) $10,455 Avg Close $160.74 Range $145.08 - $182.71

Q1 2018

Shares 77,325 Value ($000) $14,659 Avg Close $189.64 Range $169.45 - $211.08

Q4 2017

Shares 82,125 Value ($000) $16,856 Avg Close $188.42 Range $173.99 - $202.01

Q3 2017

Shares 83,625 Value ($000) $15,875 Avg Close $172.79 Range $161.15 - $186.54

Q2 2017

Shares 84,425 Value ($000) $14,003 Avg Close $154.87 Range $144.44 - $164.19

Q1 2017

Shares 85,625 Value ($000) $14,037 Avg Close $153.31 Range $135.07 - $166.39

Q4 2016

Shares 174,825 Value ($000) $25,402 Avg Close $140.58 Range $126.32 - $157.66

Q3 2016

Shares 240,925 Value ($000) $34,862 Avg Close $138.59 Range $126.84 - $143.96

Q2 2016

Shares 134,125 Value ($000) $18,881 Avg Close $158.47 Range $126.98 - $174.12

Q1 2016

Shares 85,625 Value ($000) $13,906 Avg Close $135.06 Range $112.27 - $159.84

Q4 2015

Shares 95,325 Value ($000) $15,229 Avg Close $166.43 Range $137.16 - $184.66

Q3 2015

Shares 78,325 Value ($000) $13,393 Avg Close $190.37 Range $159.30 - $214.73

Q2 2015

Shares 554,325 Value ($000) $121,175 Avg Close $215.27 Range $205.22 - $223.28

Q1 2015

Shares 459,325 Value ($000) $98,653 Avg Close $204.27 Range $185.26 - $214.40

Q4 2014

Shares 86,325 Value ($000) $18,322 Avg Close $192.32 Range $168.87 - $209.59

Q3 2014

Shares 221,400 Value ($000) $44,360 Avg Close $197.54 Range $186.21 - $207.58

Q2 2014

Shares 210,600 Value ($000) $43,257 Avg Close $187.17 Range $171.21 - $199.62

Q4 2013

Shares 5,000 Value ($000) $1,084 Avg Close $193.15 Range $175.92 - $210.55

Q3 2013

Shares 164,000 Value ($000) $29,953 Avg Close $171.93 Range $151.62 - $183.39

Q2 2013

Shares 170,000 Value ($000) $27,870 Avg Close $153.14 Range $138.12 - $166.12

Q1 2013

Shares 150,000 Value ($000) $23,036 Avg Close $141.17 Range $128.74 - $151.12

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2019	22,125	$1,844	$82.65	$73.22 - $92.84
Q2 2019	52,725	$4,858	$96.65	$82.01 - $113.84
Q1 2019	63,925	$6,847	$104.33	$93.26 - $110.96
Q4 2018	64,925	$6,326	$110.59	$86.74 - $136.36
Q3 2018	98,125	$13,416	$144.30	$133.37 - $159.64
Q2 2018	70,325	$10,455	$160.74	$145.08 - $182.71
Q1 2018	77,325	$14,659	$189.64	$169.45 - $211.08
Q4 2017	82,125	$16,856	$188.42	$173.99 - $202.01
Q3 2017	83,625	$15,875	$172.79	$161.15 - $186.54
Q2 2017	84,425	$14,003	$154.87	$144.44 - $164.19
Q1 2017	85,625	$14,037	$153.31	$135.07 - $166.39
Q4 2016	174,825	$25,402	$140.58	$126.32 - $157.66
Q3 2016	240,925	$34,862	$138.59	$126.84 - $143.96
Q2 2016	134,125	$18,881	$158.47	$126.98 - $174.12
Q1 2016	85,625	$13,906	$135.06	$112.27 - $159.84
Q4 2015	95,325	$15,229	$166.43	$137.16 - $184.66
Q3 2015	78,325	$13,393	$190.37	$159.30 - $214.73
Q2 2015	554,325	$121,175	$215.27	$205.22 - $223.28
Q1 2015	459,325	$98,653	$204.27	$185.26 - $214.40
Q4 2014	86,325	$18,322	$192.32	$168.87 - $209.59
Q3 2014	221,400	$44,360	$197.54	$186.21 - $207.58
Q2 2014	210,600	$43,257	$187.17	$171.21 - $199.62
Q4 2013	5,000	$1,084	$193.15	$175.92 - $210.55
Q3 2013	164,000	$29,953	$171.93	$151.62 - $183.39
Q2 2013	170,000	$27,870	$153.14	$138.12 - $166.12
Q1 2013	150,000	$23,036	$141.17	$128.74 - $151.12