AFFILIATED MANAGERS GROUP

Ticker: AMG CUSIP: 008252108 Class: COM

WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC's Holding History (CIK: 0001644956)

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

Q2 2019
Shares 7,425 Value ($000) $684 Avg Close $96.65 Range $82.01 - $113.84
Q1 2019
Shares 7,425 Value ($000) $795 Avg Close $104.33 Range $93.26 - $110.96
Q4 2018
Shares 7,425 Value ($000) $723 Avg Close $110.59 Range $86.74 - $136.36
Q3 2018
Shares 7,425 Value ($000) $1,015 Avg Close $144.30 Range $133.37 - $159.64
Q2 2018
Shares 7,425 Value ($000) $1,104 Avg Close $160.74 Range $145.08 - $182.71
Q1 2018
Shares 210,850 Value ($000) $39,973 Avg Close $189.64 Range $169.45 - $211.08
Q4 2017
Shares 1,231,465 Value ($000) $252,758 Avg Close $188.42 Range $173.99 - $202.01
Q3 2017
Shares 1,519,372 Value ($000) $288,422 Avg Close $172.79 Range $161.15 - $186.54
Q2 2017
Shares 1,545,643 Value ($000) $256,360 Avg Close $154.87 Range $144.44 - $164.19
Q1 2017
Shares 1,583,415 Value ($000) $259,585 Avg Close $153.31 Range $135.07 - $166.39
Q4 2016
Shares 1,697,928 Value ($000) $246,709 Avg Close $140.58 Range $126.32 - $157.66
Q3 2016
Shares 1,841,800 Value ($000) $266,508 Avg Close $138.59 Range $126.84 - $143.96
Q2 2016
Shares 1,791,555 Value ($000) $252,197 Avg Close $158.47 Range $126.98 - $174.12
Q1 2016
Shares 2,198,830 Value ($000) $357,090 Avg Close $135.06 Range $112.27 - $159.84
Q4 2015
Shares 2,312,615 Value ($000) $369,463 Avg Close $166.43 Range $137.16 - $184.66
Q3 2015
Shares 1,705,376 Value ($000) $291,602 Avg Close $190.37 Range $159.30 - $214.73