AFFILIATED MANAGERS GROUP

Ticker: AMG CUSIP: 008252108 Class: COM

Chesley Taft & Associates LLC's Holding History (CIK: 0001164632)

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

Q3 2018
Shares 2,735 Value ($000) $374 Avg Close $144.30 Range $133.37 - $159.64
Q2 2018
Shares 2,735 Value ($000) $407 Avg Close $160.74 Range $145.08 - $182.71
Q1 2018
Shares 2,715 Value ($000) $515 Avg Close $189.64 Range $169.45 - $211.08
Q4 2017
Shares 3,755 Value ($000) $771 Avg Close $188.42 Range $173.99 - $202.01
Q3 2017
Shares 3,755 Value ($000) $713 Avg Close $172.79 Range $161.15 - $186.54
Q2 2017
Shares 3,710 Value ($000) $615 Avg Close $154.87 Range $144.44 - $164.19
Q1 2017
Shares 3,645 Value ($000) $598 Avg Close $153.31 Range $135.07 - $166.39
Q4 2016
Shares 2,940 Value ($000) $427 Avg Close $140.58 Range $126.32 - $157.66